catch.hpp
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catch.hpp
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	/*
	* Catch v2.0.1
	* Generated: 2017-11-03 11:53:39.642003
	* ----------------------------------------------------------
	* This file has been merged from multiple headers. Please don't edit it directly
	* Copyright (c) 2017 Two Blue Cubes Ltd. All rights reserved.
	*
	* Distributed under the Boost Software License, Version 1.0. (See accompanying
	* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
	*/
	#ifndef TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED
	#define TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED
	// start catch.hpp


	#ifdef __clang__
	# pragma clang system_header
	#elif defined __GNUC__
	# pragma GCC system_header
	#endif

	// start catch_suppress_warnings.h

	#ifdef __clang__
	# ifdef __ICC // icpc defines the __clang__ macro
	# pragma warning(push)
	# pragma warning(disable: 161 1682)
	# else // __ICC
	# pragma clang diagnostic ignored "-Wglobal-constructors"
	# pragma clang diagnostic ignored "-Wvariadic-macros"
	# pragma clang diagnostic ignored "-Wc99-extensions"
	# pragma clang diagnostic ignored "-Wunused-variable"
	# pragma clang diagnostic push
	# pragma clang diagnostic ignored "-Wpadded"
	# pragma clang diagnostic ignored "-Wswitch-enum"
	# pragma clang diagnostic ignored "-Wcovered-switch-default"
	# endif
	#elif defined __GNUC__
	# pragma GCC diagnostic ignored "-Wvariadic-macros"
	# pragma GCC diagnostic ignored "-Wunused-variable"
	# pragma GCC diagnostic ignored "-Wparentheses"

	# pragma GCC diagnostic push
	# pragma GCC diagnostic ignored "-Wpadded"
	#endif
	// end catch_suppress_warnings.h
	#if defined(CATCH_CONFIG_MAIN) \|\| defined(CATCH_CONFIG_RUNNER)
	# define CATCH_IMPL
	# define CATCH_CONFIG_EXTERNAL_INTERFACES
	# if defined(CATCH_CONFIG_DISABLE_MATCHERS)
	# undef CATCH_CONFIG_DISABLE_MATCHERS
	# endif
	#endif

	// start catch_platform.h

	#ifdef __APPLE__
	# include <TargetConditionals.h>
	# if TARGET_OS_MAC == 1
	# define CATCH_PLATFORM_MAC
	# elif TARGET_OS_IPHONE == 1
	# define CATCH_PLATFORM_IPHONE
	# endif

	#elif defined(linux) \|\| defined(__linux) \|\| defined(__linux__)
	# define CATCH_PLATFORM_LINUX

	#elif defined(WIN32) \|\| defined(__WIN32__) \|\| defined(_WIN32) \|\| defined(_MSC_VER)
	# define CATCH_PLATFORM_WINDOWS
	#endif

	// end catch_platform.h
	#ifdef CATCH_IMPL
	# ifndef CLARA_CONFIG_MAIN
	# define CLARA_CONFIG_MAIN_NOT_DEFINED
	# define CLARA_CONFIG_MAIN
	# endif
	#endif

	// start catch_tag_alias_autoregistrar.h

	// start catch_common.h

	// start catch_compiler_capabilities.h

	// Detect a number of compiler features - by compiler
	// The following features are defined:
	//
	// CATCH_CONFIG_COUNTER : is the __COUNTER__ macro supported?
	// CATCH_CONFIG_WINDOWS_SEH : is Windows SEH supported?
	// CATCH_CONFIG_POSIX_SIGNALS : are POSIX signals supported?
	// ****************
	// Note to maintainers: if new toggles are added please document them
	// in configuration.md, too
	// ****************

	// In general each macro has a _NO_<feature name> form
	// (e.g. CATCH_CONFIG_NO_POSIX_SIGNALS) which disables the feature.
	// Many features, at point of detection, define an _INTERNAL_ macro, so they
	// can be combined, en-mass, with the _NO_ forms later.

	#ifdef __cplusplus

	# if __cplusplus >= 201402L
	# define CATCH_CPP14_OR_GREATER
	# endif

	#endif

	#ifdef __clang__

	# define CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
	_Pragma( "clang diagnostic push" ) \
	_Pragma( "clang diagnostic ignored \"-Wexit-time-destructors\"" ) \
	_Pragma( "clang diagnostic ignored \"-Wglobal-constructors\"")
	# define CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
	_Pragma( "clang diagnostic pop" )

	# define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \
	_Pragma( "clang diagnostic push" ) \
	_Pragma( "clang diagnostic ignored \"-Wparentheses\"" )
	# define CATCH_INTERNAL_UNSUPPRESS_PARENTHESES_WARNINGS \
	_Pragma( "clang diagnostic pop" )

	#endif // __clang__

	////////////////////////////////////////////////////////////////////////////////
	// We know some environments not to support full POSIX signals
	#if defined(__CYGWIN__) \|\| defined(__QNX__)

	# if !defined(CATCH_CONFIG_POSIX_SIGNALS)
	# define CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS
	# endif

	#endif

	#ifdef __OS400__
	# define CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS
	# define CATCH_CONFIG_COLOUR_NONE
	#endif

	////////////////////////////////////////////////////////////////////////////////
	// Cygwin
	#ifdef __CYGWIN__

	// Required for some versions of Cygwin to declare gettimeofday
	// see: http://stackoverflow.com/questions/36901803/gettimeofday-not-declared-in-this-scope-cygwin
	# define _BSD_SOURCE

	#endif // __CYGWIN__

	////////////////////////////////////////////////////////////////////////////////
	// Visual C++
	#ifdef _MSC_VER

	// Universal Windows platform does not support SEH
	// Or console colours (or console at all...)
	# if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_APP)
	# define CATCH_CONFIG_COLOUR_NONE
	# else
	# define CATCH_INTERNAL_CONFIG_WINDOWS_SEH
	# endif

	#endif // _MSC_VER

	////////////////////////////////////////////////////////////////////////////////

	// Use of __COUNTER__ is suppressed during code analysis in
	// CLion/AppCode 2017.2.x and former, because __COUNTER__ is not properly
	// handled by it.
	// Otherwise all supported compilers support COUNTER macro,
	// but user still might want to turn it off
	#if ( !defined(__JETBRAINS_IDE__) \|\| __JETBRAINS_IDE__ >= 20170300L )
	#define CATCH_INTERNAL_CONFIG_COUNTER
	#endif

	#if defined(CATCH_INTERNAL_CONFIG_COUNTER) && !defined(CATCH_CONFIG_NO_COUNTER) && !defined(CATCH_CONFIG_COUNTER)
	# define CATCH_CONFIG_COUNTER
	#endif
	#if defined(CATCH_INTERNAL_CONFIG_WINDOWS_SEH) && !defined(CATCH_CONFIG_NO_WINDOWS_SEH) && !defined(CATCH_CONFIG_WINDOWS_SEH)
	# define CATCH_CONFIG_WINDOWS_SEH
	#endif
	// This is set by default, because we assume that unix compilers are posix-signal-compatible by default.
	#if !defined(CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS) && !defined(CATCH_CONFIG_NO_POSIX_SIGNALS) && !defined(CATCH_CONFIG_POSIX_SIGNALS)
	# define CATCH_CONFIG_POSIX_SIGNALS
	#endif

	#if !defined(CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS)
	# define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS
	# define CATCH_INTERNAL_UNSUPPRESS_PARENTHESES_WARNINGS
	#endif
	#if !defined(CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS)
	# define CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS
	# define CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS
	#endif

	// end catch_compiler_capabilities.h
	#define INTERNAL_CATCH_UNIQUE_NAME_LINE2( name, line ) name##line
	#define INTERNAL_CATCH_UNIQUE_NAME_LINE( name, line ) INTERNAL_CATCH_UNIQUE_NAME_LINE2( name, line )
	#ifdef CATCH_CONFIG_COUNTER
	# define INTERNAL_CATCH_UNIQUE_NAME( name ) INTERNAL_CATCH_UNIQUE_NAME_LINE( name, __COUNTER__ )
	#else
	# define INTERNAL_CATCH_UNIQUE_NAME( name ) INTERNAL_CATCH_UNIQUE_NAME_LINE( name, __LINE__ )
	#endif

	#include <iosfwd>
	#include <string>
	#include <cstdint>

	namespace Catch {

	struct CaseSensitive { enum Choice {
	Yes,
	No
	}; };

	class NonCopyable {
	NonCopyable( NonCopyable const& ) = delete;
	NonCopyable( NonCopyable && ) = delete;
	NonCopyable& operator = ( NonCopyable const& ) = delete;
	NonCopyable& operator = ( NonCopyable && ) = delete;

	protected:
	NonCopyable();
	virtual ~NonCopyable();
	};

	struct SourceLineInfo {

	SourceLineInfo() = delete;
	SourceLineInfo( char const* _file, std::size_t _line ) noexcept;

	SourceLineInfo( SourceLineInfo const& other ) = default;
	SourceLineInfo( SourceLineInfo && ) = default;
	SourceLineInfo& operator = ( SourceLineInfo const& ) = default;
	SourceLineInfo& operator = ( SourceLineInfo && ) = default;

	bool empty() const noexcept;
	bool operator == ( SourceLineInfo const& other ) const noexcept;
	bool operator < ( SourceLineInfo const& other ) const noexcept;

	char const* file;
	std::size_t line;
	};

	std::ostream& operator << ( std::ostream& os, SourceLineInfo const& info );

	// This is just here to avoid compiler warnings with macro constants and boolean literals
	bool isTrue( bool value );
	bool alwaysTrue();
	bool alwaysFalse();

	// Use this in variadic streaming macros to allow
	// >> +StreamEndStop
	// as well as
	// >> stuff +StreamEndStop
	struct StreamEndStop {
	std::string operator+() const;
	};
	template<typename T>
	T const& operator + ( T const& value, StreamEndStop ) {
	return value;
	}
	}

	#define CATCH_INTERNAL_LINEINFO \
	::Catch::SourceLineInfo( __FILE__, static_cast<std::size_t>( __LINE__ ) )

	// end catch_common.h
	namespace Catch {

	struct RegistrarForTagAliases {
	RegistrarForTagAliases( char const* alias, char const* tag, SourceLineInfo const& lineInfo );
	};

	} // end namespace Catch

	#define CATCH_REGISTER_TAG_ALIAS( alias, spec ) namespace{ Catch::RegistrarForTagAliases INTERNAL_CATCH_UNIQUE_NAME( AutoRegisterTagAlias )( alias, spec, CATCH_INTERNAL_LINEINFO ); }

	// end catch_tag_alias_autoregistrar.h
	// start catch_test_registry.h

	// start catch_interfaces_testcase.h

	#include <vector>
	#include <memory>

	namespace Catch {

	class TestSpec;

	struct ITestInvoker {
	virtual void invoke () const = 0;
	virtual ~ITestInvoker();
	};

	using ITestCasePtr = std::shared_ptr<ITestInvoker>;

	class TestCase;
	struct IConfig;

	struct ITestCaseRegistry {
	virtual ~ITestCaseRegistry();
	virtual std::vector<TestCase> const& getAllTests() const = 0;
	virtual std::vector<TestCase> const& getAllTestsSorted( IConfig const& config ) const = 0;
	};

	bool matchTest( TestCase const& testCase, TestSpec const& testSpec, IConfig const& config );
	std::vector<TestCase> filterTests( std::vector<TestCase> const& testCases, TestSpec const& testSpec, IConfig const& config );
	std::vector<TestCase> const& getAllTestCasesSorted( IConfig const& config );

	}

	// end catch_interfaces_testcase.h
	// start catch_stringref.h

	#include <cstddef>
	#include <string>
	#include <iosfwd>

	namespace Catch {

	class StringData;

	/// A non-owning string class (similar to the forthcoming std::string_view)
	/// Note that, because a StringRef may be a substring of another string,
	/// it may not be null terminated. c_str() must return a null terminated
	/// string, however, and so the StringRef will internally take ownership
	/// (taking a copy), if necessary. In theory this ownership is not externally
	/// visible - but it does mean (substring) StringRefs should not be shared between
	/// threads.
	class StringRef {
	friend struct StringRefTestAccess;

	using size_type = std::size_t;

	char const* m_start;
	size_type m_size;

	char* m_data = nullptr;

	void takeOwnership();

	public: // construction/ assignment
	StringRef() noexcept;
	StringRef( StringRef const& other ) noexcept;
	StringRef( StringRef&& other ) noexcept;
	StringRef( char const* rawChars ) noexcept;
	StringRef( char const* rawChars, size_type size ) noexcept;
	StringRef( std::string const& stdString ) noexcept;
	~StringRef() noexcept;

	auto operator = ( StringRef other ) noexcept -> StringRef&;
	operator std::string() const;

	void swap( StringRef& other ) noexcept;

	public: // operators
	auto operator == ( StringRef const& other ) const noexcept -> bool;
	auto operator != ( StringRef const& other ) const noexcept -> bool;

	auto operator[] ( size_type index ) const noexcept -> char;

	public: // named queries
	auto empty() const noexcept -> bool;
	auto size() const noexcept -> size_type;
	auto numberOfCharacters() const noexcept -> size_type;
	auto c_str() const -> char const*;

	public: // substrings and searches
	auto substr( size_type start, size_type size ) const noexcept -> StringRef;

	private: // ownership queries - may not be consistent between calls
	auto isOwned() const noexcept -> bool;
	auto isSubstring() const noexcept -> bool;
	auto data() const noexcept -> char const*;
	};

	auto operator + ( StringRef const& lhs, StringRef const& rhs ) -> std::string;
	auto operator + ( StringRef const& lhs, char const* rhs ) -> std::string;
	auto operator + ( char const* lhs, StringRef const& rhs ) -> std::string;

	auto operator << ( std::ostream& os, StringRef const& sr ) -> std::ostream&;

	} // namespace Catch

	// end catch_stringref.h
	namespace Catch {

	template<typename C>
	class TestInvokerAsMethod : public ITestInvoker {
	void (C::*m_testAsMethod)();
	public:
	TestInvokerAsMethod( void (C::*testAsMethod)() ) noexcept : m_testAsMethod( testAsMethod ) {}

	void invoke() const override {
	C obj;
	(obj.*m_testAsMethod)();
	}
	};

	auto makeTestInvoker( void(testAsFunction)() ) noexcept -> ITestInvoker;

	template<typename C>
	auto makeTestInvoker( void (C::testAsMethod)() ) noexcept -> ITestInvoker {
	return new(std::nothrow) TestInvokerAsMethod<C>( testAsMethod );
	}

	struct NameAndTags {
	NameAndTags( StringRef name_ = "", StringRef tags_ = "" ) noexcept;
	StringRef name;
	StringRef tags;
	};

	struct AutoReg : NonCopyable {
	AutoReg( ITestInvoker* invoker, SourceLineInfo const& lineInfo, StringRef classOrMethod, NameAndTags const& nameAndTags ) noexcept;
	~AutoReg();
	};

	} // end namespace Catch

	#if defined(CATCH_CONFIG_DISABLE)
	#define INTERNAL_CATCH_TESTCASE_NO_REGISTRATION( TestName, ... ) \
	static void TestName()
	#define INTERNAL_CATCH_TESTCASE_METHOD_NO_REGISTRATION( TestName, ClassName, ... ) \
	namespace{ \
	struct TestName : ClassName { \
	void test(); \
	}; \
	} \
	void TestName::test()

	#endif

	///////////////////////////////////////////////////////////////////////////////
	#define INTERNAL_CATCH_TESTCASE2( TestName, ... ) \
	static void TestName(); \
	CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
	namespace{ Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar )( Catch::makeTestInvoker( &TestName ), CATCH_INTERNAL_LINEINFO, "", Catch::NameAndTags{ __VA_ARGS__ } ); } /* NOLINT */ \
	CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
	static void TestName()
	#define INTERNAL_CATCH_TESTCASE( ... ) \
	INTERNAL_CATCH_TESTCASE2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ), __VA_ARGS__ )

	///////////////////////////////////////////////////////////////////////////////
	#define INTERNAL_CATCH_METHOD_AS_TEST_CASE( QualifiedMethod, ... ) \
	CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
	namespace{ Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar )( Catch::makeTestInvoker( &QualifiedMethod ), CATCH_INTERNAL_LINEINFO, "&" #QualifiedMethod, Catch::NameAndTags{ __VA_ARGS__ } ); } /* NOLINT */ \
	CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS

	///////////////////////////////////////////////////////////////////////////////
	#define INTERNAL_CATCH_TEST_CASE_METHOD2( TestName, ClassName, ... )\
	CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
	namespace{ \
	struct TestName : ClassName{ \
	void test(); \
	}; \
	Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar ) ( Catch::makeTestInvoker( &TestName::test ), CATCH_INTERNAL_LINEINFO, #ClassName, Catch::NameAndTags{ __VA_ARGS__ } ); /* NOLINT */ \
	} \
	CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
	void TestName::test()
	#define INTERNAL_CATCH_TEST_CASE_METHOD( ClassName, ... ) \
	INTERNAL_CATCH_TEST_CASE_METHOD2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ), ClassName, __VA_ARGS__ )

	///////////////////////////////////////////////////////////////////////////////
	#define INTERNAL_CATCH_REGISTER_TESTCASE( Function, ... ) \
	CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
	Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar )( Catch::makeTestInvoker( Function ), CATCH_INTERNAL_LINEINFO, "", Catch::NameAndTags{ __VA_ARGS__ } ); /* NOLINT */ \
	CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS

	// end catch_test_registry.h
	// start catch_capture.hpp

	// start catch_assertionhandler.h

	// start catch_decomposer.h

	// start catch_tostring.h

	#include <sstream>
	#include <vector>
	#include <cstddef>
	#include <type_traits>
	#include <string>

	#ifdef __OBJC__
	// start catch_objc_arc.hpp

	#import <Foundation/Foundation.h>

	#ifdef __has_feature
	#define CATCH_ARC_ENABLED __has_feature(objc_arc)
	#else
	#define CATCH_ARC_ENABLED 0
	#endif

	void arcSafeRelease( NSObject* obj );
	id performOptionalSelector( id obj, SEL sel );

	#if !CATCH_ARC_ENABLED
	inline void arcSafeRelease( NSObject* obj ) {
	[obj release];
	}
	inline id performOptionalSelector( id obj, SEL sel ) {
	if( [obj respondsToSelector: sel] )
	return [obj performSelector: sel];
	return nil;
	}
	#define CATCH_UNSAFE_UNRETAINED
	#define CATCH_ARC_STRONG
	#else
	inline void arcSafeRelease( NSObject* ){}
	inline id performOptionalSelector( id obj, SEL sel ) {
	#ifdef __clang__
	#pragma clang diagnostic push
	#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
	#endif
	if( [obj respondsToSelector: sel] )
	return [obj performSelector: sel];
	#ifdef __clang__
	#pragma clang diagnostic pop
	#endif
	return nil;
	}
	#define CATCH_UNSAFE_UNRETAINED __unsafe_unretained
	#define CATCH_ARC_STRONG __strong
	#endif

	// end catch_objc_arc.hpp
	#endif

	#ifdef _MSC_VER
	#pragma warning(push)
	#pragma warning(disable:4180) // We attempt to stream a function (address) by const&, which MSVC complains about but is harmless
	#endif

	// We need a dummy global operator<< so we can bring it into Catch namespace later
	struct Catch_global_namespace_dummy;
	std::ostream& operator<<(std::ostream&, Catch_global_namespace_dummy);

	namespace Catch {
	// Bring in operator<< from global namespace into Catch namespace
	using ::operator<<;

	namespace Detail {

	extern const std::string unprintableString;

	std::string rawMemoryToString( const void *object, std::size_t size );

	template<typename T>
	std::string rawMemoryToString( const T& object ) {
	return rawMemoryToString( &object, sizeof(object) );
	}

	template<typename T>
	class IsStreamInsertable {
	template<typename SS, typename TT>
	static auto test(int)
	-> decltype(std::declval<SS&>() << std::declval<TT>(), std::true_type());

	template<typename, typename>
	static auto test(...)->std::false_type;

	public:
	static const bool value = decltype(test<std::ostream, const T&>(0))::value;
	};

	} // namespace Detail

	// If we decide for C++14, change these to enable_if_ts
	template <typename T>
	struct StringMaker {
	template <typename Fake = T>
	static
	typename std::enable_if<::Catch::Detail::IsStreamInsertable<Fake>::value, std::string>::type
	convert(const Fake& t) {
	std::ostringstream sstr;
	sstr << t;
	return sstr.str();
	}

	template <typename Fake = T>
	static
	typename std::enable_if<!::Catch::Detail::IsStreamInsertable<Fake>::value, std::string>::type
	convert(const Fake&) {
	return Detail::unprintableString;
	}
	};

	namespace Detail {

	// This function dispatches all stringification requests inside of Catch.
	// Should be preferably called fully qualified, like ::Catch::Detail::stringify
	template <typename T>
	std::string stringify(const T& e) {
	return ::Catch::StringMaker<typename std::remove_cv<typename std::remove_reference<T>::type>::type>::convert(e);
	}

	} // namespace Detail

	// Some predefined specializations

	template<>
	struct StringMaker<std::string> {
	static std::string convert(const std::string& str);
	};
	template<>
	struct StringMaker<std::wstring> {
	static std::string convert(const std::wstring& wstr);
	};

	template<>
	struct StringMaker<char const *> {
	static std::string convert(char const * str);
	};
	template<>
	struct StringMaker<char *> {
	static std::string convert(char * str);
	};
	template<>
	struct StringMaker<wchar_t const *> {
	static std::string convert(wchar_t const * str);
	};
	template<>
	struct StringMaker<wchar_t *> {
	static std::string convert(wchar_t * str);
	};

	template<int SZ>
	struct StringMaker<char[SZ]> {
	static std::string convert(const char* str) {
	return ::Catch::Detail::stringify(std::string{ str });
	}
	};
	template<int SZ>
	struct StringMaker<signed char[SZ]> {
	static std::string convert(const char* str) {
	return ::Catch::Detail::stringify(std::string{ str });
	}
	};
	template<int SZ>
	struct StringMaker<unsigned char[SZ]> {
	static std::string convert(const char* str) {
	return ::Catch::Detail::stringify(std::string{ str });
	}
	};

	template<>
	struct StringMaker<int> {
	static std::string convert(int value);
	};
	template<>
	struct StringMaker<long> {
	static std::string convert(long value);
	};
	template<>
	struct StringMaker<long long> {
	static std::string convert(long long value);
	};
	template<>
	struct StringMaker<unsigned int> {
	static std::string convert(unsigned int value);
	};
	template<>
	struct StringMaker<unsigned long> {
	static std::string convert(unsigned long value);
	};
	template<>
	struct StringMaker<unsigned long long> {
	static std::string convert(unsigned long long value);
	};

	template<>
	struct StringMaker<bool> {
	static std::string convert(bool b);
	};

	template<>
	struct StringMaker<char> {
	static std::string convert(char c);
	};
	template<>
	struct StringMaker<signed char> {
	static std::string convert(signed char c);
	};
	template<>
	struct StringMaker<unsigned char> {
	static std::string convert(unsigned char c);
	};

	template<>
	struct StringMaker<std::nullptr_t> {
	static std::string convert(std::nullptr_t);
	};

	template<>
	struct StringMaker<float> {
	static std::string convert(float value);
	};
	template<>
	struct StringMaker<double> {
	static std::string convert(double value);
	};

	template <typename T>
	struct StringMaker<T*> {
	template <typename U>
	static std::string convert(U* p) {
	if (p) {
	return ::Catch::Detail::rawMemoryToString(p);
	} else {
	return "nullptr";
	}
	}
	};

	template <typename R, typename C>
	struct StringMaker<R C::*> {
	static std::string convert(R C::* p) {
	if (p) {
	return ::Catch::Detail::rawMemoryToString(p);
	} else {
	return "nullptr";
	}
	}
	};

	namespace Detail {
	template<typename InputIterator>
	std::string rangeToString(InputIterator first, InputIterator last) {
	std::ostringstream oss;
	oss << "{ ";
	if (first != last) {
	oss << ::Catch::Detail::stringify(*first);
	for (++first; first != last; ++first)
	oss << ", " << ::Catch::Detail::stringify(*first);
	}
	oss << " }";
	return oss.str();
	}
	}

	template<typename T, typename Allocator>
	struct StringMaker<std::vector<T, Allocator> > {
	static std::string convert( std::vector<T,Allocator> const& v ) {
	return ::Catch::Detail::rangeToString( v.begin(), v.end() );
	}
	};

	template<typename T>
	struct EnumStringMaker {
	static std::string convert(const T& t) {
	return ::Catch::Detail::stringify(static_cast<typename std::underlying_type<T>::type>(t));
	}
	};

	#ifdef __OBJC__
	template<>
	struct StringMaker<NSString*> {
	static std::string convert(NSString * nsstring) {
	if (!nsstring)
	return "nil";
	return std::string("@") + [nsstring UTF8String];
	}
	};
	template<>
	struct StringMaker<NSObject*> {
	static std::string convert(NSObject* nsObject) {
	return ::Catch::Detail::stringify([nsObject description]);
	}

	};
	namespace Detail {
	inline std::string stringify( NSString* nsstring ) {
	return StringMaker<NSString*>::convert( nsstring );
	}

	} // namespace Detail
	#endif // __OBJC__

	} // namespace Catch

	//////////////////////////////////////////////////////
	// Separate std-lib types stringification, so it can be selectively enabled
	// This means that we do not bring in

	#if defined(CATCH_CONFIG_ENABLE_ALL_STRINGMAKERS)
	# define CATCH_CONFIG_ENABLE_PAIR_STRINGMAKER
	# define CATCH_CONFIG_ENABLE_TUPLE_STRINGMAKER
	# define CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER
	#endif

	// Separate std::pair specialization
	#if defined(CATCH_CONFIG_ENABLE_PAIR_STRINGMAKER)
	#include <utility>
	namespace Catch {
	template<typename T1, typename T2>
	struct StringMaker<std::pair<T1, T2> > {
	static std::string convert(const std::pair<T1, T2>& pair) {
	std::ostringstream oss;
	oss << "{ "
	<< ::Catch::Detail::stringify(pair.first)
	<< ", "
	<< ::Catch::Detail::stringify(pair.second)
	<< " }";
	return oss.str();
	}
	};
	}
	#endif // CATCH_CONFIG_ENABLE_PAIR_STRINGMAKER

	// Separate std::tuple specialization
	#if defined(CATCH_CONFIG_ENABLE_TUPLE_STRINGMAKER)
	#include <tuple>
	namespace Catch {
	namespace Detail {
	template<
	typename Tuple,
	std::size_t N = 0,
	bool = (N < std::tuple_size<Tuple>::value)
	>
	struct TupleElementPrinter {
	static void print(const Tuple& tuple, std::ostream& os) {
	os << (N ? ", " : " ")
	<< ::Catch::Detail::stringify(std::get<N>(tuple));
	TupleElementPrinter<Tuple, N + 1>::print(tuple, os);
	}
	};

	template<
	typename Tuple,
	std::size_t N
	>
	struct TupleElementPrinter<Tuple, N, false> {
	static void print(const Tuple&, std::ostream&) {}
	};

	}

	template<typename ...Types>
	struct StringMaker<std::tuple<Types...>> {
	static std::string convert(const std::tuple<Types...>& tuple) {
	std::ostringstream os;
	os << '{';
	Detail::TupleElementPrinter<std::tuple<Types...>>::print(tuple, os);
	os << " }";
	return os.str();
	}
	};
	}
	#endif // CATCH_CONFIG_ENABLE_TUPLE_STRINGMAKER

	// Separate std::chrono::duration specialization
	#if defined(CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER)
	#include <ctime>
	#include <ratio>
	#include <chrono>

	template <class Ratio>
	struct ratio_string {
	static std::string symbol();
	};

	template <class Ratio>
	std::string ratio_string<Ratio>::symbol() {
	std::ostringstream oss;
	oss << '[' << Ratio::num << '/'
	<< Ratio::den << ']';
	return oss.str();
	}
	template <>
	struct ratio_string<std::atto> {
	static std::string symbol() { return "a"; }
	};
	template <>
	struct ratio_string<std::femto> {
	static std::string symbol() { return "f"; }
	};
	template <>
	struct ratio_string<std::pico> {
	static std::string symbol() { return "p"; }
	};
	template <>
	struct ratio_string<std::nano> {
	static std::string symbol() { return "n"; }
	};
	template <>
	struct ratio_string<std::micro> {
	static std::string symbol() { return "u"; }
	};
	template <>
	struct ratio_string<std::milli> {
	static std::string symbol() { return "m"; }
	};

	namespace Catch {
	////////////
	// std::chrono::duration specializations
	template<typename Value, typename Ratio>
	struct StringMaker<std::chrono::duration<Value, Ratio>> {
	static std::string convert(std::chrono::duration<Value, Ratio> const& duration) {
	std::ostringstream oss;
	oss << duration.count() << ' ' << ratio_string<Ratio>::symbol() << 's';
	return oss.str();
	}
	};
	template<typename Value>
	struct StringMaker<std::chrono::duration<Value, std::ratio<1>>> {
	static std::string convert(std::chrono::duration<Value, std::ratio<1>> const& duration) {
	std::ostringstream oss;
	oss << duration.count() << " s";
	return oss.str();
	}
	};
	template<typename Value>
	struct StringMaker<std::chrono::duration<Value, std::ratio<60>>> {
	static std::string convert(std::chrono::duration<Value, std::ratio<60>> const& duration) {
	std::ostringstream oss;
	oss << duration.count() << " m";
	return oss.str();
	}
	};
	template<typename Value>
	struct StringMaker<std::chrono::duration<Value, std::ratio<3600>>> {
	static std::string convert(std::chrono::duration<Value, std::ratio<3600>> const& duration) {
	std::ostringstream oss;
	oss << duration.count() << " h";
	return oss.str();
	}
	};

	////////////
	// std::chrono::time_point specialization
	// Generic time_point cannot be specialized, only std::chrono::time_point<system_clock>
	template<typename Clock, typename Duration>
	struct StringMaker<std::chrono::time_point<Clock, Duration>> {
	static std::string convert(std::chrono::time_point<Clock, Duration> const& time_point) {
	return ::Catch::Detail::stringify(time_point.time_since_epoch()) + " since epoch";
	}
	};
	// std::chrono::time_point<system_clock> specialization
	template<typename Duration>
	struct StringMaker<std::chrono::time_point<std::chrono::system_clock, Duration>> {
	static std::string convert(std::chrono::time_point<std::chrono::system_clock, Duration> const& time_point) {
	auto converted = std::chrono::system_clock::to_time_t(time_point);

	#ifdef _MSC_VER
	std::tm timeInfo = {};
	gmtime_s(&timeInfo, &converted);
	#else
	std::tm* timeInfo = std::gmtime(&converted);
	#endif

	auto const timeStampSize = sizeof("2017-01-16T17:06:45Z");
	char timeStamp[timeStampSize];
	const char * const fmt = "%Y-%m-%dT%H:%M:%SZ";

	#ifdef _MSC_VER
	std::strftime(timeStamp, timeStampSize, fmt, &timeInfo);
	#else
	std::strftime(timeStamp, timeStampSize, fmt, timeInfo);
	#endif
	return std::string(timeStamp);
	}
	};
	}
	#endif // CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER

	#ifdef _MSC_VER
	#pragma warning(pop)
	#endif

	// end catch_tostring.h
	#include <ostream>

	#ifdef _MSC_VER
	#pragma warning(push)
	#pragma warning(disable:4389) // '==' : signed/unsigned mismatch
	#pragma warning(disable:4018) // more "signed/unsigned mismatch"
	#pragma warning(disable:4312) // Converting int to T* using reinterpret_cast (issue on x64 platform)
	#pragma warning(disable:4180) // qualifier applied to function type has no meaning
	#endif

	namespace Catch {

	struct ITransientExpression {
	virtual auto isBinaryExpression() const -> bool = 0;
	virtual auto getResult() const -> bool = 0;
	virtual void streamReconstructedExpression( std::ostream &os ) const = 0;

	// We don't actually need a virtual destructore, but many static analysers
	// complain if it's not here :-(
	virtual ~ITransientExpression();
	};

	void formatReconstructedExpression( std::ostream &os, std::string const& lhs, StringRef op, std::string const& rhs );

	template<typename LhsT, typename RhsT>
	class BinaryExpr : public ITransientExpression {
	bool m_result;
	LhsT m_lhs;
	StringRef m_op;
	RhsT m_rhs;

	auto isBinaryExpression() const -> bool override { return true; }
	auto getResult() const -> bool override { return m_result; }

	void streamReconstructedExpression( std::ostream &os ) const override {
	formatReconstructedExpression
	( os, Catch::Detail::stringify( m_lhs ), m_op, Catch::Detail::stringify( m_rhs ) );
	}

	public:
	BinaryExpr( bool comparisonResult, LhsT lhs, StringRef op, RhsT rhs )
	: m_result( comparisonResult ),
	m_lhs( lhs ),
	m_op( op ),
	m_rhs( rhs )
	{}
	};

	template<typename LhsT>
	class UnaryExpr : public ITransientExpression {
	LhsT m_lhs;

	auto isBinaryExpression() const -> bool override { return false; }
	auto getResult() const -> bool override { return m_lhs ? true : false; }

	void streamReconstructedExpression( std::ostream &os ) const override {
	os << Catch::Detail::stringify( m_lhs );
	}

	public:
	UnaryExpr( LhsT lhs ) : m_lhs( lhs ) {}
	};

	// Specialised comparison functions to handle equality comparisons between ints and pointers (NULL deduces as an int)
	template<typename LhsT, typename RhsT>
	auto compareEqual( LhsT const& lhs, RhsT const& rhs ) -> bool { return lhs == rhs; };
	template<typename T>
	auto compareEqual( T* const& lhs, int rhs ) -> bool { return lhs == reinterpret_cast<void const*>( rhs ); }
	template<typename T>
	auto compareEqual( T* const& lhs, long rhs ) -> bool { return lhs == reinterpret_cast<void const*>( rhs ); }
	template<typename T>
	auto compareEqual( int lhs, T* const& rhs ) -> bool { return reinterpret_cast<void const*>( lhs ) == rhs; }
	template<typename T>
	auto compareEqual( long lhs, T* const& rhs ) -> bool { return reinterpret_cast<void const*>( lhs ) == rhs; }

	template<typename LhsT, typename RhsT>
	auto compareNotEqual( LhsT const& lhs, RhsT&& rhs ) -> bool { return lhs != rhs; };
	template<typename T>
	auto compareNotEqual( T* const& lhs, int rhs ) -> bool { return lhs != reinterpret_cast<void const*>( rhs ); }
	template<typename T>
	auto compareNotEqual( T* const& lhs, long rhs ) -> bool { return lhs != reinterpret_cast<void const*>( rhs ); }
	template<typename T>
	auto compareNotEqual( int lhs, T* const& rhs ) -> bool { return reinterpret_cast<void const*>( lhs ) != rhs; }
	template<typename T>
	auto compareNotEqual( long lhs, T* const& rhs ) -> bool { return reinterpret_cast<void const*>( lhs ) != rhs; }

	template<typename LhsT>
	class ExprLhs {
	LhsT m_lhs;
	public:
	ExprLhs( LhsT lhs ) : m_lhs( lhs ) {}

	template<typename RhsT>
	auto operator == ( RhsT const& rhs ) -> BinaryExpr<LhsT, RhsT const&> const {
	return BinaryExpr<LhsT, RhsT const&>( compareEqual( m_lhs, rhs ), m_lhs, "==", rhs );
	}
	auto operator == ( bool rhs ) -> BinaryExpr<LhsT, bool> const {
	return BinaryExpr<LhsT, bool>( m_lhs == rhs, m_lhs, "==", rhs );
	}

	template<typename RhsT>
	auto operator != ( RhsT const& rhs ) -> BinaryExpr<LhsT, RhsT const&> const {
	return BinaryExpr<LhsT, RhsT const&>( compareNotEqual( m_lhs, rhs ), m_lhs, "!=", rhs );
	}
	auto operator != ( bool rhs ) -> BinaryExpr<LhsT, bool> const {
	return BinaryExpr<LhsT, bool>( m_lhs != rhs, m_lhs, "!=", rhs );
	}

	template<typename RhsT>
	auto operator > ( RhsT const& rhs ) -> BinaryExpr<LhsT, RhsT const&> const {
	return BinaryExpr<LhsT, RhsT const&>( m_lhs > rhs, m_lhs, ">", rhs );
	}
	template<typename RhsT>
	auto operator < ( RhsT const& rhs ) -> BinaryExpr<LhsT, RhsT const&> const {
	return BinaryExpr<LhsT, RhsT const&>( m_lhs < rhs, m_lhs, "<", rhs );
	}
	template<typename RhsT>
	auto operator >= ( RhsT const& rhs ) -> BinaryExpr<LhsT, RhsT const&> const {
	return BinaryExpr<LhsT, RhsT const&>( m_lhs >= rhs, m_lhs, ">=", rhs );
	}
	template<typename RhsT>
	auto operator <= ( RhsT const& rhs ) -> BinaryExpr<LhsT, RhsT const&> const {
	return BinaryExpr<LhsT, RhsT const&>( m_lhs <= rhs, m_lhs, "<=", rhs );
	}

	auto makeUnaryExpr() const -> UnaryExpr<LhsT> {
	return UnaryExpr<LhsT>( m_lhs );
	}
	};

	void handleExpression( ITransientExpression const& expr );

	template<typename T>
	void handleExpression( ExprLhs<T> const& expr ) {
	handleExpression( expr.makeUnaryExpr() );
	}

	struct Decomposer {
	template<typename T>
	auto operator <= ( T const& lhs ) -> ExprLhs<T const&> {
	return ExprLhs<T const&>( lhs );
	}
	auto operator <=( bool value ) -> ExprLhs<bool> {
	return ExprLhs<bool>( value );
	}
	};

	} // end namespace Catch

	#ifdef _MSC_VER
	#pragma warning(pop)
	#endif

	// end catch_decomposer.h
	// start catch_assertioninfo.h

	// start catch_result_type.h

	namespace Catch {

	// ResultWas::OfType enum
	struct ResultWas { enum OfType {
	Unknown = -1,
	Ok = 0,
	Info = 1,
	Warning = 2,

	FailureBit = 0x10,

	ExpressionFailed = FailureBit \| 1,
	ExplicitFailure = FailureBit \| 2,

	Exception = 0x100 \| FailureBit,

	ThrewException = Exception \| 1,
	DidntThrowException = Exception \| 2,

	FatalErrorCondition = 0x200 \| FailureBit

	}; };

	bool isOk( ResultWas::OfType resultType );
	bool isJustInfo( int flags );

	// ResultDisposition::Flags enum
	struct ResultDisposition { enum Flags {
	Normal = 0x01,

	ContinueOnFailure = 0x02, // Failures fail test, but execution continues
	FalseTest = 0x04, // Prefix expression with !
	SuppressFail = 0x08 // Failures are reported but do not fail the test
	}; };

	ResultDisposition::Flags operator \| ( ResultDisposition::Flags lhs, ResultDisposition::Flags rhs );

	bool shouldContinueOnFailure( int flags );
	bool isFalseTest( int flags );
	bool shouldSuppressFailure( int flags );

	} // end namespace Catch

	// end catch_result_type.h
	namespace Catch {

	struct AssertionInfo
	{
	StringRef macroName;
	SourceLineInfo lineInfo;
	StringRef capturedExpression;
	ResultDisposition::Flags resultDisposition;

	// We want to delete this constructor but a compiler bug in 4.8 means
	// the struct is then treated as non-aggregate
	//AssertionInfo() = delete;
	};

	} // end namespace Catch

	// end catch_assertioninfo.h
	namespace Catch {

	struct TestFailureException{};
	struct AssertionResultData;

	class LazyExpression {
	friend class AssertionHandler;
	friend struct AssertionStats;

	ITransientExpression const* m_transientExpression = nullptr;
	bool m_isNegated;
	public:
	LazyExpression( bool isNegated );
	LazyExpression( LazyExpression const& other );
	LazyExpression& operator = ( LazyExpression const& ) = delete;

	explicit operator bool() const;

	friend auto operator << ( std::ostream& os, LazyExpression const& lazyExpr ) -> std::ostream&;
	};

	class AssertionHandler {
	AssertionInfo m_assertionInfo;
	bool m_shouldDebugBreak = false;
	bool m_shouldThrow = false;
	bool m_inExceptionGuard = false;

	public:
	AssertionHandler
	( StringRef macroName,
	SourceLineInfo const& lineInfo,
	StringRef capturedExpression,
	ResultDisposition::Flags resultDisposition );
	~AssertionHandler();

	void handle( ITransientExpression const& expr );

	template<typename T>
	void handle( ExprLhs<T> const& expr ) {
	handle( expr.makeUnaryExpr() );
	}
	void handle( ResultWas::OfType resultType );
	void handle( ResultWas::OfType resultType, StringRef const& message );
	void handle( ResultWas::OfType resultType, ITransientExpression const* expr, bool negated );
	void handle( AssertionResultData const& resultData, ITransientExpression const* expr );

	auto shouldDebugBreak() const -> bool;
	auto allowThrows() const -> bool;
	void reactWithDebugBreak() const;
	void reactWithoutDebugBreak() const;
	void useActiveException();
	void setExceptionGuard();
	void unsetExceptionGuard();
	};

	void handleExceptionMatchExpr( AssertionHandler& handler, std::string const& str, StringRef matcherString );

	} // namespace Catch

	// end catch_assertionhandler.h
	// start catch_message.h

	#include <string>
	#include <sstream>

	namespace Catch {

	struct MessageInfo {
	MessageInfo( std::string const& _macroName,
	SourceLineInfo const& _lineInfo,
	ResultWas::OfType _type );

	std::string macroName;
	std::string message;
	SourceLineInfo lineInfo;
	ResultWas::OfType type;
	unsigned int sequence;

	bool operator == ( MessageInfo const& other ) const;
	bool operator < ( MessageInfo const& other ) const;
	private:
	static unsigned int globalCount;
	};

	struct MessageStream {

	template<typename T>
	MessageStream& operator << ( T const& value ) {
	m_stream << value;
	return *this;
	}

	// !TBD reuse a global/ thread-local stream
	std::ostringstream m_stream;
	};

	struct MessageBuilder : MessageStream {
	MessageBuilder( std::string const& macroName,
	SourceLineInfo const& lineInfo,
	ResultWas::OfType type );

	template<typename T>
	MessageBuilder& operator << ( T const& value ) {
	m_stream << value;
	return *this;
	}

	MessageInfo m_info;
	};

	class ScopedMessage {
	public:
	ScopedMessage( MessageBuilder const& builder );
	~ScopedMessage();

	MessageInfo m_info;
	};

	} // end namespace Catch

	// end catch_message.h
	// start catch_interfaces_capture.h

	#include <string>

	namespace Catch {

	class AssertionResult;
	struct AssertionInfo;
	struct SectionInfo;
	struct SectionEndInfo;
	struct MessageInfo;
	struct Counts;
	struct BenchmarkInfo;
	struct BenchmarkStats;

	struct IResultCapture {

	virtual ~IResultCapture();

	virtual void assertionStarting( AssertionInfo const& info ) = 0;
	virtual void assertionEnded( AssertionResult const& result ) = 0;
	virtual bool sectionStarted( SectionInfo const& sectionInfo,
	Counts& assertions ) = 0;
	virtual void sectionEnded( SectionEndInfo const& endInfo ) = 0;
	virtual void sectionEndedEarly( SectionEndInfo const& endInfo ) = 0;

	virtual void benchmarkStarting( BenchmarkInfo const& info ) = 0;
	virtual void benchmarkEnded( BenchmarkStats const& stats ) = 0;

	virtual void pushScopedMessage( MessageInfo const& message ) = 0;
	virtual void popScopedMessage( MessageInfo const& message ) = 0;

	virtual std::string getCurrentTestName() const = 0;
	virtual const AssertionResult* getLastResult() const = 0;

	virtual void exceptionEarlyReported() = 0;

	virtual void handleFatalErrorCondition( StringRef message ) = 0;

	virtual bool lastAssertionPassed() = 0;
	virtual void assertionPassed() = 0;
	virtual void assertionRun() = 0;
	};

	IResultCapture& getResultCapture();
	}

	// end catch_interfaces_capture.h
	// start catch_debugger.h

	namespace Catch {
	bool isDebuggerActive();
	}

	#ifdef CATCH_PLATFORM_MAC

	#define CATCH_TRAP() __asm__("int $3\n" : : ) /* NOLINT */

	#elif defined(CATCH_PLATFORM_LINUX)
	// If we can use inline assembler, do it because this allows us to break
	// directly at the location of the failing check instead of breaking inside
	// raise() called from it, i.e. one stack frame below.
	#if defined(__GNUC__) && (defined(__i386) \|\| defined(__x86_64))
	#define CATCH_TRAP() asm volatile ("int $3") /* NOLINT */
	#else // Fall back to the generic way.
	#include <signal.h>

	#define CATCH_TRAP() raise(SIGTRAP)
	#endif
	#elif defined(_MSC_VER)
	#define CATCH_TRAP() __debugbreak()
	#elif defined(__MINGW32__)
	extern "C" __declspec(dllimport) void __stdcall DebugBreak();
	#define CATCH_TRAP() DebugBreak()
	#endif

	#ifdef CATCH_TRAP
	#define CATCH_BREAK_INTO_DEBUGGER() if( Catch::isDebuggerActive() ) { CATCH_TRAP(); }
	#else
	#define CATCH_BREAK_INTO_DEBUGGER() Catch::alwaysTrue();
	#endif

	// end catch_debugger.h
	#if !defined(CATCH_CONFIG_DISABLE)

	#if !defined(CATCH_CONFIG_DISABLE_STRINGIFICATION)
	#define CATCH_INTERNAL_STRINGIFY(...) #__VA_ARGS__
	#else
	#define CATCH_INTERNAL_STRINGIFY(...) "Disabled by CATCH_CONFIG_DISABLE_STRINGIFICATION"
	#endif

	#if defined(CATCH_CONFIG_FAST_COMPILE)
	///////////////////////////////////////////////////////////////////////////////
	// We can speedup compilation significantly by breaking into debugger lower in
	// the callstack, because then we don't have to expand CATCH_BREAK_INTO_DEBUGGER
	// macro in each assertion
	#define INTERNAL_CATCH_REACT( handler ) \
	handler.reactWithDebugBreak();

	///////////////////////////////////////////////////////////////////////////////
	// Another way to speed-up compilation is to omit local try-catch for REQUIRE*
	// macros.
	// This can potentially cause false negative, if the test code catches
	// the exception before it propagates back up to the runner.
	#define INTERNAL_CATCH_TRY( capturer ) capturer.setExceptionGuard();
	#define INTERNAL_CATCH_CATCH( capturer ) capturer.unsetExceptionGuard();

	#else // CATCH_CONFIG_FAST_COMPILE

	///////////////////////////////////////////////////////////////////////////////
	// In the event of a failure works out if the debugger needs to be invoked
	// and/or an exception thrown and takes appropriate action.
	// This needs to be done as a macro so the debugger will stop in the user
	// source code rather than in Catch library code
	#define INTERNAL_CATCH_REACT( handler ) \
	if( handler.shouldDebugBreak() ) CATCH_BREAK_INTO_DEBUGGER(); \
	handler.reactWithoutDebugBreak();

	#define INTERNAL_CATCH_TRY( capturer ) try
	#define INTERNAL_CATCH_CATCH( capturer ) catch(...) { capturer.useActiveException(); }

	#endif

	///////////////////////////////////////////////////////////////////////////////
	#define INTERNAL_CATCH_TEST( macroName, resultDisposition, ... ) \
	do { \
	Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition ); \
	INTERNAL_CATCH_TRY( catchAssertionHandler ) { \
	CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \
	catchAssertionHandler.handle( Catch::Decomposer() <= __VA_ARGS__ ); \
	CATCH_INTERNAL_UNSUPPRESS_PARENTHESES_WARNINGS \
	} INTERNAL_CATCH_CATCH( catchAssertionHandler ) \
	INTERNAL_CATCH_REACT( catchAssertionHandler ) \
	} while( Catch::isTrue( false && static_cast<bool>( !!(__VA_ARGS__) ) ) ) // the expression here is never evaluated at runtime but it forces the compiler to give it a look
	// The double negation silences MSVC's C4800 warning, the static_cast forces short-circuit evaluation if the type has overloaded &&.

	///////////////////////////////////////////////////////////////////////////////
	#define INTERNAL_CATCH_IF( macroName, resultDisposition, ... ) \
	INTERNAL_CATCH_TEST( macroName, resultDisposition, __VA_ARGS__ ); \
	if( Catch::getResultCapture().lastAssertionPassed() )

	///////////////////////////////////////////////////////////////////////////////
	#define INTERNAL_CATCH_ELSE( macroName, resultDisposition, ... ) \
	INTERNAL_CATCH_TEST( macroName, resultDisposition, __VA_ARGS__ ); \
	if( !Catch::getResultCapture().lastAssertionPassed() )

	///////////////////////////////////////////////////////////////////////////////
	#define INTERNAL_CATCH_NO_THROW( macroName, resultDisposition, ... ) \
	do { \
	Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition ); \
	try { \
	static_cast<void>(__VA_ARGS__); \
	catchAssertionHandler.handle( Catch::ResultWas::Ok ); \
	} \
	catch( ... ) { \
	catchAssertionHandler.useActiveException(); \
	} \
	INTERNAL_CATCH_REACT( catchAssertionHandler ) \
	} while( Catch::alwaysFalse() )

	///////////////////////////////////////////////////////////////////////////////
	#define INTERNAL_CATCH_THROWS( macroName, resultDisposition, ... ) \
	do { \
	Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition); \
	if( catchAssertionHandler.allowThrows() ) \
	try { \
	static_cast<void>(__VA_ARGS__); \
	catchAssertionHandler.handle( Catch::ResultWas::DidntThrowException ); \
	} \
	catch( ... ) { \
	catchAssertionHandler.handle( Catch::ResultWas::Ok ); \
	} \
	else \
	catchAssertionHandler.handle( Catch::ResultWas::Ok ); \
	INTERNAL_CATCH_REACT( catchAssertionHandler ) \
	} while( Catch::alwaysFalse() )

	///////////////////////////////////////////////////////////////////////////////
	#define INTERNAL_CATCH_THROWS_AS( macroName, exceptionType, resultDisposition, expr ) \
	do { \
	Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(expr) ", " CATCH_INTERNAL_STRINGIFY(exceptionType), resultDisposition ); \
	if( catchAssertionHandler.allowThrows() ) \
	try { \
	static_cast<void>(expr); \
	catchAssertionHandler.handle( Catch::ResultWas::DidntThrowException ); \
	} \
	catch( exceptionType const& ) { \
	catchAssertionHandler.handle( Catch::ResultWas::Ok ); \
	} \
	catch( ... ) { \
	catchAssertionHandler.useActiveException(); \
	} \
	else \
	catchAssertionHandler.handle( Catch::ResultWas::Ok ); \
	INTERNAL_CATCH_REACT( catchAssertionHandler ) \
	} while( Catch::alwaysFalse() )

	///////////////////////////////////////////////////////////////////////////////
	#define INTERNAL_CATCH_MSG( macroName, messageType, resultDisposition, ... ) \
	do { \
	Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, "", resultDisposition ); \
	catchAssertionHandler.handle( messageType, ( Catch::MessageStream() << __VA_ARGS__ + ::Catch::StreamEndStop() ).m_stream.str() ); \
	INTERNAL_CATCH_REACT( catchAssertionHandler ) \
	} while( Catch::alwaysFalse() )

	///////////////////////////////////////////////////////////////////////////////
	#define INTERNAL_CATCH_INFO( macroName, log ) \
	Catch::ScopedMessage INTERNAL_CATCH_UNIQUE_NAME( scopedMessage ) = Catch::MessageBuilder( macroName, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info ) << log;

	///////////////////////////////////////////////////////////////////////////////
	// Although this is matcher-based, it can be used with just a string
	#define INTERNAL_CATCH_THROWS_STR_MATCHES( macroName, resultDisposition, matcher, ... ) \
	do { \
	Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__) ", " CATCH_INTERNAL_STRINGIFY(matcher), resultDisposition ); \
	if( catchAssertionHandler.allowThrows() ) \
	try { \
	static_cast<void>(__VA_ARGS__); \
	catchAssertionHandler.handle( Catch::ResultWas::DidntThrowException ); \
	} \
	catch( ... ) { \
	handleExceptionMatchExpr( catchAssertionHandler, matcher, #matcher ); \
	} \
	else \
	catchAssertionHandler.handle( Catch::ResultWas::Ok ); \
	INTERNAL_CATCH_REACT( catchAssertionHandler ) \
	} while( Catch::alwaysFalse() )

	#endif // CATCH_CONFIG_DISABLE

	// end catch_capture.hpp
	// start catch_section.h

	// start catch_section_info.h

	// start catch_totals.h

	#include <cstddef>

	namespace Catch {

	struct Counts {
	Counts operator - ( Counts const& other ) const;
	Counts& operator += ( Counts const& other );

	std::size_t total() const;
	bool allPassed() const;
	bool allOk() const;

	std::size_t passed = 0;
	std::size_t failed = 0;
	std::size_t failedButOk = 0;
	};

	struct Totals {

	Totals operator - ( Totals const& other ) const;
	Totals& operator += ( Totals const& other );

	Totals delta( Totals const& prevTotals ) const;

	Counts assertions;
	Counts testCases;
	};
	}

	// end catch_totals.h
	#include <string>

	namespace Catch {

	struct SectionInfo {
	SectionInfo
	( SourceLineInfo const& _lineInfo,
	std::string const& _name,
	std::string const& _description = std::string() );

	std::string name;
	std::string description;
	SourceLineInfo lineInfo;
	};

	struct SectionEndInfo {
	SectionEndInfo( SectionInfo const& _sectionInfo, Counts const& _prevAssertions, double _durationInSeconds );

	SectionInfo sectionInfo;
	Counts prevAssertions;
	double durationInSeconds;
	};

	} // end namespace Catch

	// end catch_section_info.h
	// start catch_timer.h

	#include <cstdint>

	namespace Catch {

	auto getCurrentNanosecondsSinceEpoch() -> uint64_t;
	auto getEstimatedClockResolution() -> uint64_t;

	class Timer {
	uint64_t m_nanoseconds = 0;
	public:
	void start();
	auto getElapsedNanoseconds() const -> unsigned int;
	auto getElapsedMicroseconds() const -> unsigned int;
	auto getElapsedMilliseconds() const -> unsigned int;
	auto getElapsedSeconds() const -> double;
	};

	} // namespace Catch

	// end catch_timer.h
	#include <string>

	namespace Catch {

	class Section : NonCopyable {
	public:
	Section( SectionInfo const& info );
	~Section();

	// This indicates whether the section should be executed or not
	explicit operator bool() const;

	private:
	SectionInfo m_info;

	std::string m_name;
	Counts m_assertions;
	bool m_sectionIncluded;
	Timer m_timer;
	};

	} // end namespace Catch

	#define INTERNAL_CATCH_SECTION( ... ) \
	if( Catch::Section const& INTERNAL_CATCH_UNIQUE_NAME( catch_internal_Section ) = Catch::SectionInfo( CATCH_INTERNAL_LINEINFO, __VA_ARGS__ ) )

	// end catch_section.h
	// start catch_benchmark.h

	#include <cstdint>
	#include <string>

	namespace Catch {

	class BenchmarkLooper {

	std::string m_name;
	std::size_t m_count = 0;
	std::size_t m_iterationsToRun = 1;
	uint64_t m_resolution;
	Timer m_timer;

	static auto getResolution() -> uint64_t;
	public:
	// Keep most of this inline as it's on the code path that is being timed
	BenchmarkLooper( StringRef name )
	: m_name( name ),
	m_resolution( getResolution() )
	{
	reportStart();
	m_timer.start();
	}

	explicit operator bool() {
	if( m_count < m_iterationsToRun )
	return true;
	return needsMoreIterations();
	}

	void increment() {
	++m_count;
	}

	void reportStart();
	auto needsMoreIterations() -> bool;
	};

	} // end namespace Catch

	#define BENCHMARK( name ) \
	for( Catch::BenchmarkLooper looper( name ); looper; looper.increment() )

	// end catch_benchmark.h
	// start catch_interfaces_exception.h

	// start catch_interfaces_registry_hub.h

	#include <string>
	#include <memory>

	namespace Catch {

	class TestCase;
	struct ITestCaseRegistry;
	struct IExceptionTranslatorRegistry;
	struct IExceptionTranslator;
	struct IReporterRegistry;
	struct IReporterFactory;
	struct ITagAliasRegistry;
	class StartupExceptionRegistry;

	using IReporterFactoryPtr = std::shared_ptr<IReporterFactory>;

	struct IRegistryHub {
	virtual ~IRegistryHub();

	virtual IReporterRegistry const& getReporterRegistry() const = 0;
	virtual ITestCaseRegistry const& getTestCaseRegistry() const = 0;
	virtual ITagAliasRegistry const& getTagAliasRegistry() const = 0;

	virtual IExceptionTranslatorRegistry& getExceptionTranslatorRegistry() = 0;

	virtual StartupExceptionRegistry const& getStartupExceptionRegistry() const = 0;
	};

	struct IMutableRegistryHub {
	virtual ~IMutableRegistryHub();
	virtual void registerReporter( std::string const& name, IReporterFactoryPtr const& factory ) = 0;
	virtual void registerListener( IReporterFactoryPtr const& factory ) = 0;
	virtual void registerTest( TestCase const& testInfo ) = 0;
	virtual void registerTranslator( const IExceptionTranslator* translator ) = 0;
	virtual void registerTagAlias( std::string const& alias, std::string const& tag, SourceLineInfo const& lineInfo ) = 0;
	virtual void registerStartupException() noexcept = 0;
	};

	IRegistryHub& getRegistryHub();
	IMutableRegistryHub& getMutableRegistryHub();
	void cleanUp();
	std::string translateActiveException();

	}

	// end catch_interfaces_registry_hub.h
	#if defined(CATCH_CONFIG_DISABLE)
	#define INTERNAL_CATCH_TRANSLATE_EXCEPTION_NO_REG( translatorName, signature) \
	static std::string translatorName( signature )
	#endif

	#include <exception>
	#include <string>
	#include <vector>

	namespace Catch {
	using exceptionTranslateFunction = std::string(*)();

	struct IExceptionTranslator;
	using ExceptionTranslators = std::vector<std::unique_ptr<IExceptionTranslator const>>;

	struct IExceptionTranslator {
	virtual ~IExceptionTranslator();
	virtual std::string translate( ExceptionTranslators::const_iterator it, ExceptionTranslators::const_iterator itEnd ) const = 0;
	};

	struct IExceptionTranslatorRegistry {
	virtual ~IExceptionTranslatorRegistry();

	virtual std::string translateActiveException() const = 0;
	};

	class ExceptionTranslatorRegistrar {
	template<typename T>
	class ExceptionTranslator : public IExceptionTranslator {
	public:

	ExceptionTranslator( std::string(*translateFunction)( T& ) )
	: m_translateFunction( translateFunction )
	{}

	std::string translate( ExceptionTranslators::const_iterator it, ExceptionTranslators::const_iterator itEnd ) const override {
	try {
	if( it == itEnd )
	std::rethrow_exception(std::current_exception());
	else
	return (*it)->translate( it+1, itEnd );
	}
	catch( T& ex ) {
	return m_translateFunction( ex );
	}
	}

	protected:
	std::string(*m_translateFunction)( T& );
	};

	public:
	template<typename T>
	ExceptionTranslatorRegistrar( std::string(*translateFunction)( T& ) ) {
	getMutableRegistryHub().registerTranslator
	( new ExceptionTranslator<T>( translateFunction ) );
	}
	};
	}

	///////////////////////////////////////////////////////////////////////////////
	#define INTERNAL_CATCH_TRANSLATE_EXCEPTION2( translatorName, signature ) \
	static std::string translatorName( signature ); \
	namespace{ Catch::ExceptionTranslatorRegistrar INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionRegistrar )( &translatorName ); }\
	static std::string translatorName( signature )

	#define INTERNAL_CATCH_TRANSLATE_EXCEPTION( signature ) INTERNAL_CATCH_TRANSLATE_EXCEPTION2( INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator ), signature )

	// end catch_interfaces_exception.h
	// start catch_approx.h

	// start catch_enforce.h

	#include <sstream>
	#include <stdexcept>

	#define CATCH_PREPARE_EXCEPTION( type, msg ) \
	type( static_cast<std::ostringstream&&>( std::ostringstream() << msg ).str() )
	#define CATCH_INTERNAL_ERROR( msg ) \
	throw CATCH_PREPARE_EXCEPTION( std::logic_error, CATCH_INTERNAL_LINEINFO << ": Internal Catch error: " << msg);
	#define CATCH_ERROR( msg ) \
	throw CATCH_PREPARE_EXCEPTION( std::domain_error, msg )
	#define CATCH_ENFORCE( condition, msg ) \
	do{ if( !(condition) ) CATCH_ERROR( msg ); } while(false)

	// end catch_enforce.h
	#include <type_traits>

	namespace Catch {
	namespace Detail {

	class Approx {
	private:
	bool equalityComparisonImpl(double other) const;

	public:
	explicit Approx ( double value );

	static Approx custom();

	template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
	Approx operator()( T const& value ) {
	Approx approx( static_cast<double>(value) );
	approx.epsilon( m_epsilon );
	approx.margin( m_margin );
	approx.scale( m_scale );
	return approx;
	}

	template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
	explicit Approx( T const& value ): Approx(static_cast<double>(value))
	{}

	template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
	friend bool operator == ( const T& lhs, Approx const& rhs ) {
	auto lhs_v = static_cast<double>(lhs);
	return rhs.equalityComparisonImpl(lhs_v);
	}

	template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
	friend bool operator == ( Approx const& lhs, const T& rhs ) {
	return operator==( rhs, lhs );
	}

	template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
	friend bool operator != ( T const& lhs, Approx const& rhs ) {
	return !operator==( lhs, rhs );
	}

	template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
	friend bool operator != ( Approx const& lhs, T const& rhs ) {
	return !operator==( rhs, lhs );
	}

	template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
	friend bool operator <= ( T const& lhs, Approx const& rhs ) {
	return static_cast<double>(lhs) < rhs.m_value \|\| lhs == rhs;
	}

	template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
	friend bool operator <= ( Approx const& lhs, T const& rhs ) {
	return lhs.m_value < static_cast<double>(rhs) \|\| lhs == rhs;
	}

	template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
	friend bool operator >= ( T const& lhs, Approx const& rhs ) {
	return static_cast<double>(lhs) > rhs.m_value \|\| lhs == rhs;
	}

	template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
	friend bool operator >= ( Approx const& lhs, T const& rhs ) {
	return lhs.m_value > static_cast<double>(rhs) \|\| lhs == rhs;
	}

	template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
	Approx& epsilon( T const& newEpsilon ) {
	double epsilonAsDouble = static_cast<double>(newEpsilon);
	CATCH_ENFORCE(epsilonAsDouble >= 0 && epsilonAsDouble <= 1.0,
	"Invalid Approx::epsilon: " << epsilonAsDouble
	<< ", Approx::epsilon has to be between 0 and 1");
	m_epsilon = epsilonAsDouble;
	return *this;
	}

	template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
	Approx& margin( T const& newMargin ) {
	double marginAsDouble = static_cast<double>(newMargin);
	CATCH_ENFORCE(marginAsDouble >= 0,
	"Invalid Approx::margin: " << marginAsDouble
	<< ", Approx::Margin has to be non-negative.");
	m_margin = marginAsDouble;
	return *this;
	}

	template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
	Approx& scale( T const& newScale ) {
	m_scale = static_cast<double>(newScale);
	return *this;
	}

	std::string toString() const;

	private:
	double m_epsilon;
	double m_margin;
	double m_scale;
	double m_value;
	};
	}

	template<>
	struct StringMaker<Catch::Detail::Approx> {
	static std::string convert(Catch::Detail::Approx const& value);
	};

	} // end namespace Catch

	// end catch_approx.h
	// start catch_string_manip.h

	#include <string>
	#include <iosfwd>

	namespace Catch {

	bool startsWith( std::string const& s, std::string const& prefix );
	bool startsWith( std::string const& s, char prefix );
	bool endsWith( std::string const& s, std::string const& suffix );
	bool endsWith( std::string const& s, char suffix );
	bool contains( std::string const& s, std::string const& infix );
	void toLowerInPlace( std::string& s );
	std::string toLower( std::string const& s );
	std::string trim( std::string const& str );
	bool replaceInPlace( std::string& str, std::string const& replaceThis, std::string const& withThis );

	struct pluralise {
	pluralise( std::size_t count, std::string const& label );

	friend std::ostream& operator << ( std::ostream& os, pluralise const& pluraliser );

	std::size_t m_count;
	std::string m_label;
	};
	}

	// end catch_string_manip.h
	#ifndef CATCH_CONFIG_DISABLE_MATCHERS
	// start catch_capture_matchers.h

	// start catch_matchers.h

	#include <string>
	#include <vector>

	namespace Catch {
	namespace Matchers {
	namespace Impl {

	template<typename ArgT> struct MatchAllOf;
	template<typename ArgT> struct MatchAnyOf;
	template<typename ArgT> struct MatchNotOf;

	class MatcherUntypedBase {
	public:
	MatcherUntypedBase() = default;
	MatcherUntypedBase ( MatcherUntypedBase const& ) = default;
	MatcherUntypedBase& operator = ( MatcherUntypedBase const& ) = delete;
	std::string toString() const;

	protected:
	virtual ~MatcherUntypedBase();
	virtual std::string describe() const = 0;
	mutable std::string m_cachedToString;
	};

	template<typename ObjectT>
	struct MatcherMethod {
	virtual bool match( ObjectT const& arg ) const = 0;
	};
	template<typename PtrT>
	struct MatcherMethod<PtrT*> {
	virtual bool match( PtrT* arg ) const = 0;
	};

	template<typename ObjectT, typename ComparatorT = ObjectT>
	struct MatcherBase : MatcherUntypedBase, MatcherMethod<ObjectT> {

	MatchAllOf<ComparatorT> operator && ( MatcherBase const& other ) const;
	MatchAnyOf<ComparatorT> operator \|\| ( MatcherBase const& other ) const;
	MatchNotOf<ComparatorT> operator ! () const;
	};

	template<typename ArgT>
	struct MatchAllOf : MatcherBase<ArgT> {
	bool match( ArgT const& arg ) const override {
	for( auto matcher : m_matchers ) {
	if (!matcher->match(arg))
	return false;
	}
	return true;
	}
	std::string describe() const override {
	std::string description;
	description.reserve( 4 + m_matchers.size()*32 );
	description += "( ";
	bool first = true;
	for( auto matcher : m_matchers ) {
	if( first )
	first = false;
	else
	description += " and ";
	description += matcher->toString();
	}
	description += " )";
	return description;
	}

	MatchAllOf<ArgT>& operator && ( MatcherBase<ArgT> const& other ) {
	m_matchers.push_back( &other );
	return *this;
	}

	std::vector<MatcherBase<ArgT> const*> m_matchers;
	};
	template<typename ArgT>
	struct MatchAnyOf : MatcherBase<ArgT> {

	bool match( ArgT const& arg ) const override {
	for( auto matcher : m_matchers ) {
	if (matcher->match(arg))
	return true;
	}
	return false;
	}
	std::string describe() const override {
	std::string description;
	description.reserve( 4 + m_matchers.size()*32 );
	description += "( ";
	bool first = true;
	for( auto matcher : m_matchers ) {
	if( first )
	first = false;
	else
	description += " or ";
	description += matcher->toString();
	}
	description += " )";
	return description;
	}

	MatchAnyOf<ArgT>& operator \|\| ( MatcherBase<ArgT> const& other ) {
	m_matchers.push_back( &other );
	return *this;
	}

	std::vector<MatcherBase<ArgT> const*> m_matchers;
	};

	template<typename ArgT>
	struct MatchNotOf : MatcherBase<ArgT> {

	MatchNotOf( MatcherBase<ArgT> const& underlyingMatcher ) : m_underlyingMatcher( underlyingMatcher ) {}

	bool match( ArgT const& arg ) const override {
	return !m_underlyingMatcher.match( arg );
	}

	std::string describe() const override {
	return "not " + m_underlyingMatcher.toString();
	}
	MatcherBase<ArgT> const& m_underlyingMatcher;
	};

	template<typename ObjectT, typename ComparatorT>
	MatchAllOf<ComparatorT> MatcherBase<ObjectT, ComparatorT>::operator && ( MatcherBase const& other ) const {
	return MatchAllOf<ComparatorT>() && *this && other;
	}
	template<typename ObjectT, typename ComparatorT>
	MatchAnyOf<ComparatorT> MatcherBase<ObjectT, ComparatorT>::operator \|\| ( MatcherBase const& other ) const {
	return MatchAnyOf<ComparatorT>() \|\| *this \|\| other;
	}
	template<typename ObjectT, typename ComparatorT>
	MatchNotOf<ComparatorT> MatcherBase<ObjectT, ComparatorT>::operator ! () const {
	return MatchNotOf<ComparatorT>( *this );
	}

	} // namespace Impl

	} // namespace Matchers

	using namespace Matchers;
	using Matchers::Impl::MatcherBase;

	} // namespace Catch

	// end catch_matchers.h
	// start catch_matchers_string.h

	#include <string>

	namespace Catch {
	namespace Matchers {

	namespace StdString {

	struct CasedString
	{
	CasedString( std::string const& str, CaseSensitive::Choice caseSensitivity );
	std::string adjustString( std::string const& str ) const;
	std::string caseSensitivitySuffix() const;

	CaseSensitive::Choice m_caseSensitivity;
	std::string m_str;
	};

	struct StringMatcherBase : MatcherBase<std::string> {
	StringMatcherBase( std::string const& operation, CasedString const& comparator );
	std::string describe() const override;

	CasedString m_comparator;
	std::string m_operation;
	};

	struct EqualsMatcher : StringMatcherBase {
	EqualsMatcher( CasedString const& comparator );
	bool match( std::string const& source ) const override;
	};
	struct ContainsMatcher : StringMatcherBase {
	ContainsMatcher( CasedString const& comparator );
	bool match( std::string const& source ) const override;
	};
	struct StartsWithMatcher : StringMatcherBase {
	StartsWithMatcher( CasedString const& comparator );
	bool match( std::string const& source ) const override;
	};
	struct EndsWithMatcher : StringMatcherBase {
	EndsWithMatcher( CasedString const& comparator );
	bool match( std::string const& source ) const override;
	};

	} // namespace StdString

	// The following functions create the actual matcher objects.
	// This allows the types to be inferred

	StdString::EqualsMatcher Equals( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
	StdString::ContainsMatcher Contains( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
	StdString::EndsWithMatcher EndsWith( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
	StdString::StartsWithMatcher StartsWith( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );

	} // namespace Matchers
	} // namespace Catch

	// end catch_matchers_string.h
	// start catch_matchers_vector.h

	namespace Catch {
	namespace Matchers {

	namespace Vector {

	template<typename T>
	struct ContainsElementMatcher : MatcherBase<std::vector<T>, T> {

	ContainsElementMatcher(T const &comparator) : m_comparator( comparator) {}

	bool match(std::vector<T> const &v) const override {
	for (auto const& el : v) {
	if (el == m_comparator) {
	return true;
	}
	}
	return false;
	}

	std::string describe() const override {
	return "Contains: " + ::Catch::Detail::stringify( m_comparator );
	}

	T const& m_comparator;
	};

	template<typename T>
	struct ContainsMatcher : MatcherBase<std::vector<T>, std::vector<T> > {

	ContainsMatcher(std::vector<T> const &comparator) : m_comparator( comparator ) {}

	bool match(std::vector<T> const &v) const override {
	// !TBD: see note in EqualsMatcher
	if (m_comparator.size() > v.size())
	return false;
	for (auto const& comparator : m_comparator) {
	auto present = false;
	for (const auto& el : v) {
	if (el == comparator) {
	present = true;
	break;
	}
	}
	if (!present) {
	return false;
	}
	}
	return true;
	}
	std::string describe() const override {
	return "Contains: " + ::Catch::Detail::stringify( m_comparator );
	}

	std::vector<T> const& m_comparator;
	};

	template<typename T>
	struct EqualsMatcher : MatcherBase<std::vector<T>, std::vector<T> > {

	EqualsMatcher(std::vector<T> const &comparator) : m_comparator( comparator ) {}

	bool match(std::vector<T> const &v) const override {
	// !TBD: This currently works if all elements can be compared using !=
	// - a more general approach would be via a compare template that defaults
	// to using !=. but could be specialised for, e.g. std::vector<T> etc
	// - then just call that directly
	if (m_comparator.size() != v.size())
	return false;
	for (std::size_t i = 0; i < v.size(); ++i)
	if (m_comparator[i] != v[i])
	return false;
	return true;
	}
	std::string describe() const override {
	return "Equals: " + ::Catch::Detail::stringify( m_comparator );
	}
	std::vector<T> const& m_comparator;
	};

	} // namespace Vector

	// The following functions create the actual matcher objects.
	// This allows the types to be inferred

	template<typename T>
	Vector::ContainsMatcher<T> Contains( std::vector<T> const& comparator ) {
	return Vector::ContainsMatcher<T>( comparator );
	}

	template<typename T>
	Vector::ContainsElementMatcher<T> VectorContains( T const& comparator ) {
	return Vector::ContainsElementMatcher<T>( comparator );
	}

	template<typename T>
	Vector::EqualsMatcher<T> Equals( std::vector<T> const& comparator ) {
	return Vector::EqualsMatcher<T>( comparator );
	}

	} // namespace Matchers
	} // namespace Catch

	// end catch_matchers_vector.h
	namespace Catch {

	template<typename ArgT, typename MatcherT>
	class MatchExpr : public ITransientExpression {
	ArgT const& m_arg;
	MatcherT m_matcher;
	StringRef m_matcherString;
	bool m_result;
	public:
	MatchExpr( ArgT const& arg, MatcherT const& matcher, StringRef matcherString )
	: m_arg( arg ),
	m_matcher( matcher ),
	m_matcherString( matcherString ),
	m_result( matcher.match( arg ) )
	{}

	auto isBinaryExpression() const -> bool override { return true; }
	auto getResult() const -> bool override { return m_result; }

	void streamReconstructedExpression( std::ostream &os ) const override {
	auto matcherAsString = m_matcher.toString();
	os << Catch::Detail::stringify( m_arg ) << ' ';
	if( matcherAsString == Detail::unprintableString )
	os << m_matcherString;
	else
	os << matcherAsString;
	}
	};

	using StringMatcher = Matchers::Impl::MatcherBase<std::string>;

	void handleExceptionMatchExpr( AssertionHandler& handler, StringMatcher const& matcher, StringRef matcherString );

	template<typename ArgT, typename MatcherT>
	auto makeMatchExpr( ArgT const& arg, MatcherT const& matcher, StringRef matcherString ) -> MatchExpr<ArgT, MatcherT> {
	return MatchExpr<ArgT, MatcherT>( arg, matcher, matcherString );
	}

	} // namespace Catch

	///////////////////////////////////////////////////////////////////////////////
	#define INTERNAL_CHECK_THAT( macroName, matcher, resultDisposition, arg ) \
	do { \
	Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(arg) ", " CATCH_INTERNAL_STRINGIFY(matcher), resultDisposition ); \
	INTERNAL_CATCH_TRY( catchAssertionHandler ) { \
	catchAssertionHandler.handle( Catch::makeMatchExpr( arg, matcher, #matcher ) ); \
	} INTERNAL_CATCH_CATCH( catchAssertionHandler ) \
	INTERNAL_CATCH_REACT( catchAssertionHandler ) \
	} while( Catch::alwaysFalse() )

	///////////////////////////////////////////////////////////////////////////////
	#define INTERNAL_CATCH_THROWS_MATCHES( macroName, exceptionType, resultDisposition, matcher, ... ) \
	do { \
	Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__) ", " CATCH_INTERNAL_STRINGIFY(exceptionType) ", " CATCH_INTERNAL_STRINGIFY(matcher), resultDisposition ); \
	if( catchAssertionHandler.allowThrows() ) \
	try { \
	static_cast<void>(__VA_ARGS__ ); \
	catchAssertionHandler.handle( Catch::ResultWas::DidntThrowException ); \
	} \
	catch( exceptionType const& ex ) { \
	catchAssertionHandler.handle( Catch::makeMatchExpr( ex, matcher, #matcher ) ); \
	} \
	catch( ... ) { \
	catchAssertionHandler.useActiveException(); \
	} \
	else \
	catchAssertionHandler.handle( Catch::ResultWas::Ok ); \
	INTERNAL_CATCH_REACT( catchAssertionHandler ) \
	} while( Catch::alwaysFalse() )

	// end catch_capture_matchers.h
	#endif

	// These files are included here so the single_include script doesn't put them
	// in the conditionally compiled sections
	// start catch_test_case_info.h

	#include <string>
	#include <vector>
	#include <memory>

	#ifdef __clang__
	#pragma clang diagnostic push
	#pragma clang diagnostic ignored "-Wpadded"
	#endif

	namespace Catch {

	struct ITestInvoker;

	struct TestCaseInfo {
	enum SpecialProperties{
	None = 0,
	IsHidden = 1 << 1,
	ShouldFail = 1 << 2,
	MayFail = 1 << 3,
	Throws = 1 << 4,
	NonPortable = 1 << 5,
	Benchmark = 1 << 6
	};

	TestCaseInfo( std::string const& _name,
	std::string const& _className,
	std::string const& _description,
	std::vector<std::string> const& _tags,
	SourceLineInfo const& _lineInfo );

	friend void setTags( TestCaseInfo& testCaseInfo, std::vector<std::string> tags );

	bool isHidden() const;
	bool throws() const;
	bool okToFail() const;
	bool expectedToFail() const;

	std::string tagsAsString() const;

	std::string name;
	std::string className;
	std::string description;
	std::vector<std::string> tags;
	std::vector<std::string> lcaseTags;
	SourceLineInfo lineInfo;
	SpecialProperties properties;
	};

	class TestCase : public TestCaseInfo {
	public:

	TestCase( ITestInvoker* testCase, TestCaseInfo const& info );

	TestCase withName( std::string const& _newName ) const;

	void invoke() const;

	TestCaseInfo const& getTestCaseInfo() const;

	bool operator == ( TestCase const& other ) const;
	bool operator < ( TestCase const& other ) const;

	private:
	std::shared_ptr<ITestInvoker> test;
	};

	TestCase makeTestCase( ITestInvoker* testCase,
	std::string const& className,
	std::string const& name,
	std::string const& description,
	SourceLineInfo const& lineInfo );
	}

	#ifdef __clang__
	#pragma clang diagnostic pop
	#endif

	// end catch_test_case_info.h
	// start catch_interfaces_runner.h

	namespace Catch {

	struct IRunner {
	virtual ~IRunner();
	virtual bool aborting() const = 0;
	};
	}

	// end catch_interfaces_runner.h

	#ifdef __OBJC__
	// start catch_objc.hpp

	#import <objc/runtime.h>

	#include <string>

	// NB. Any general catch headers included here must be included
	// in catch.hpp first to make sure they are included by the single
	// header for non obj-usage

	///////////////////////////////////////////////////////////////////////////////
	// This protocol is really only here for (self) documenting purposes, since
	// all its methods are optional.
	@protocol OcFixture

	@optional

	-(void) setUp;
	-(void) tearDown;

	@end

	namespace Catch {

	class OcMethod : public ITestInvoker {

	public:
	OcMethod( Class cls, SEL sel ) : m_cls( cls ), m_sel( sel ) {}

	virtual void invoke() const {
	id obj = [[m_cls alloc] init];

	performOptionalSelector( obj, @selector(setUp) );
	performOptionalSelector( obj, m_sel );
	performOptionalSelector( obj, @selector(tearDown) );

	arcSafeRelease( obj );
	}
	private:
	virtual ~OcMethod() {}

	Class m_cls;
	SEL m_sel;
	};

	namespace Detail{

	inline std::string getAnnotation( Class cls,
	std::string const& annotationName,
	std::string const& testCaseName ) {
	NSString* selStr = [[NSString alloc] initWithFormat:@"Catch_%s_%s", annotationName.c_str(), testCaseName.c_str()];
	SEL sel = NSSelectorFromString( selStr );
	arcSafeRelease( selStr );
	id value = performOptionalSelector( cls, sel );
	if( value )
	return [(NSString*)value UTF8String];
	return "";
	}
	}

	inline std::size_t registerTestMethods() {
	std::size_t noTestMethods = 0;
	int noClasses = objc_getClassList( nullptr, 0 );

	Class* classes = (CATCH_UNSAFE_UNRETAINED Class )malloc( sizeof(Class) noClasses);
	objc_getClassList( classes, noClasses );

	for( int c = 0; c < noClasses; c++ ) {
	Class cls = classes[c];
	{
	u_int count;
	Method* methods = class_copyMethodList( cls, &count );
	for( u_int m = 0; m < count ; m++ ) {
	SEL selector = method_getName(methods[m]);
	std::string methodName = sel_getName(selector);
	if( startsWith( methodName, "Catch_TestCase_" ) ) {
	std::string testCaseName = methodName.substr( 15 );
	std::string name = Detail::getAnnotation( cls, "Name", testCaseName );
	std::string desc = Detail::getAnnotation( cls, "Description", testCaseName );
	const char* className = class_getName( cls );

	getMutableRegistryHub().registerTest( makeTestCase( new OcMethod( cls, selector ), className, name.c_str(), desc.c_str(), SourceLineInfo("",0) ) );
	noTestMethods++;
	}
	}
	free(methods);
	}
	}
	return noTestMethods;
	}

	#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)

	namespace Matchers {
	namespace Impl {
	namespace NSStringMatchers {

	struct StringHolder : MatcherBase<NSString*>{
	StringHolder( NSString* substr ) : m_substr( [substr copy] ){}
	StringHolder( StringHolder const& other ) : m_substr( [other.m_substr copy] ){}
	StringHolder() {
	arcSafeRelease( m_substr );
	}

	bool match( NSString* arg ) const override {
	return false;
	}

	NSString* CATCH_ARC_STRONG m_substr;
	};

	struct Equals : StringHolder {
	Equals( NSString* substr ) : StringHolder( substr ){}

	bool match( NSString* str ) const override {
	return (str != nil \|\| m_substr == nil ) &&
	[str isEqualToString:m_substr];
	}

	std::string describe() const override {
	return "equals string: " + Catch::Detail::stringify( m_substr );
	}
	};

	struct Contains : StringHolder {
	Contains( NSString* substr ) : StringHolder( substr ){}

	bool match( NSString* str ) const {
	return (str != nil \|\| m_substr == nil ) &&
	[str rangeOfString:m_substr].location != NSNotFound;
	}

	std::string describe() const override {
	return "contains string: " + Catch::Detail::stringify( m_substr );
	}
	};

	struct StartsWith : StringHolder {
	StartsWith( NSString* substr ) : StringHolder( substr ){}

	bool match( NSString* str ) const override {
	return (str != nil \|\| m_substr == nil ) &&
	[str rangeOfString:m_substr].location == 0;
	}

	std::string describe() const override {
	return "starts with: " + Catch::Detail::stringify( m_substr );
	}
	};
	struct EndsWith : StringHolder {
	EndsWith( NSString* substr ) : StringHolder( substr ){}

	bool match( NSString* str ) const override {
	return (str != nil \|\| m_substr == nil ) &&
	[str rangeOfString:m_substr].location == [str length] - [m_substr length];
	}

	std::string describe() const override {
	return "ends with: " + Catch::Detail::stringify( m_substr );
	}
	};

	} // namespace NSStringMatchers
	} // namespace Impl

	inline Impl::NSStringMatchers::Equals
	Equals( NSString* substr ){ return Impl::NSStringMatchers::Equals( substr ); }

	inline Impl::NSStringMatchers::Contains
	Contains( NSString* substr ){ return Impl::NSStringMatchers::Contains( substr ); }

	inline Impl::NSStringMatchers::StartsWith
	StartsWith( NSString* substr ){ return Impl::NSStringMatchers::StartsWith( substr ); }

	inline Impl::NSStringMatchers::EndsWith
	EndsWith( NSString* substr ){ return Impl::NSStringMatchers::EndsWith( substr ); }

	} // namespace Matchers

	using namespace Matchers;

	#endif // CATCH_CONFIG_DISABLE_MATCHERS

	} // namespace Catch

	///////////////////////////////////////////////////////////////////////////////
	#define OC_MAKE_UNIQUE_NAME( root, uniqueSuffix ) root##uniqueSuffix
	#define OC_TEST_CASE2( name, desc, uniqueSuffix ) \
	+(NSString*) OC_MAKE_UNIQUE_NAME( Catch_Name_test_, uniqueSuffix ) \
	{ \
	return @ name; \
	} \
	+(NSString*) OC_MAKE_UNIQUE_NAME( Catch_Description_test_, uniqueSuffix ) \
	{ \
	return @ desc; \
	} \
	-(void) OC_MAKE_UNIQUE_NAME( Catch_TestCase_test_, uniqueSuffix )

	#define OC_TEST_CASE( name, desc ) OC_TEST_CASE2( name, desc, __LINE__ )

	// end catch_objc.hpp
	#endif

	#ifdef CATCH_CONFIG_EXTERNAL_INTERFACES
	// start catch_external_interfaces.h

	// start catch_reporter_bases.hpp

	// start catch_interfaces_reporter.h

	// start catch_config.hpp

	// start catch_test_spec_parser.h

	#ifdef __clang__
	#pragma clang diagnostic push
	#pragma clang diagnostic ignored "-Wpadded"
	#endif

	// start catch_test_spec.h

	#ifdef __clang__
	#pragma clang diagnostic push
	#pragma clang diagnostic ignored "-Wpadded"
	#endif

	// start catch_wildcard_pattern.h

	namespace Catch
	{
	class WildcardPattern {
	enum WildcardPosition {
	NoWildcard = 0,
	WildcardAtStart = 1,
	WildcardAtEnd = 2,
	WildcardAtBothEnds = WildcardAtStart \| WildcardAtEnd
	};

	public:

	WildcardPattern( std::string const& pattern, CaseSensitive::Choice caseSensitivity );
	virtual ~WildcardPattern() = default;
	virtual bool matches( std::string const& str ) const;

	private:
	std::string adjustCase( std::string const& str ) const;
	CaseSensitive::Choice m_caseSensitivity;
	WildcardPosition m_wildcard = NoWildcard;
	std::string m_pattern;
	};
	}

	// end catch_wildcard_pattern.h
	#include <string>
	#include <vector>
	#include <memory>

	namespace Catch {

	class TestSpec {
	struct Pattern {
	virtual ~Pattern();
	virtual bool matches( TestCaseInfo const& testCase ) const = 0;
	};
	using PatternPtr = std::shared_ptr<Pattern>;

	class NamePattern : public Pattern {
	public:
	NamePattern( std::string const& name );
	virtual ~NamePattern();
	virtual bool matches( TestCaseInfo const& testCase ) const override;
	private:
	WildcardPattern m_wildcardPattern;
	};

	class TagPattern : public Pattern {
	public:
	TagPattern( std::string const& tag );
	virtual ~TagPattern();
	virtual bool matches( TestCaseInfo const& testCase ) const override;
	private:
	std::string m_tag;
	};

	class ExcludedPattern : public Pattern {
	public:
	ExcludedPattern( PatternPtr const& underlyingPattern );
	virtual ~ExcludedPattern();
	virtual bool matches( TestCaseInfo const& testCase ) const override;
	private:
	PatternPtr m_underlyingPattern;
	};

	struct Filter {
	std::vector<PatternPtr> m_patterns;

	bool matches( TestCaseInfo const& testCase ) const;
	};

	public:
	bool hasFilters() const;
	bool matches( TestCaseInfo const& testCase ) const;

	private:
	std::vector<Filter> m_filters;

	friend class TestSpecParser;
	};
	}

	#ifdef __clang__
	#pragma clang diagnostic pop
	#endif

	// end catch_test_spec.h
	// start catch_interfaces_tag_alias_registry.h

	#include <string>

	namespace Catch {

	struct TagAlias;

	struct ITagAliasRegistry {
	virtual ~ITagAliasRegistry();
	// Nullptr if not present
	virtual TagAlias const* find( std::string const& alias ) const = 0;
	virtual std::string expandAliases( std::string const& unexpandedTestSpec ) const = 0;

	static ITagAliasRegistry const& get();
	};

	} // end namespace Catch

	// end catch_interfaces_tag_alias_registry.h
	namespace Catch {

	class TestSpecParser {
	enum Mode{ None, Name, QuotedName, Tag, EscapedName };
	Mode m_mode = None;
	bool m_exclusion = false;
	std::size_t m_start = std::string::npos, m_pos = 0;
	std::string m_arg;
	std::vector<std::size_t> m_escapeChars;
	TestSpec::Filter m_currentFilter;
	TestSpec m_testSpec;
	ITagAliasRegistry const* m_tagAliases = nullptr;

	public:
	TestSpecParser( ITagAliasRegistry const& tagAliases );

	TestSpecParser& parse( std::string const& arg );
	TestSpec testSpec();

	private:
	void visitChar( char c );
	void startNewMode( Mode mode, std::size_t start );
	void escape();
	std::string subString() const;

	template<typename T>
	void addPattern() {
	std::string token = subString();
	for( std::size_t i = 0; i < m_escapeChars.size(); ++i )
	token = token.substr( 0, m_escapeChars[i]-m_start-i ) + token.substr( m_escapeChars[i]-m_start-i+1 );
	m_escapeChars.clear();
	if( startsWith( token, "exclude:" ) ) {
	m_exclusion = true;
	token = token.substr( 8 );
	}
	if( !token.empty() ) {
	TestSpec::PatternPtr pattern = std::make_shared<T>( token );
	if( m_exclusion )
	pattern = std::make_shared<TestSpec::ExcludedPattern>( pattern );
	m_currentFilter.m_patterns.push_back( pattern );
	}
	m_exclusion = false;
	m_mode = None;
	}

	void addFilter();
	};
	TestSpec parseTestSpec( std::string const& arg );

	} // namespace Catch

	#ifdef __clang__
	#pragma clang diagnostic pop
	#endif

	// end catch_test_spec_parser.h
	// start catch_interfaces_config.h

	#include <iosfwd>
	#include <string>
	#include <vector>
	#include <memory>

	namespace Catch {

	enum class Verbosity {
	Quiet = 0,
	Normal,
	High
	};

	struct WarnAbout { enum What {
	Nothing = 0x00,
	NoAssertions = 0x01
	}; };

	struct ShowDurations { enum OrNot {
	DefaultForReporter,
	Always,
	Never
	}; };
	struct RunTests { enum InWhatOrder {
	InDeclarationOrder,
	InLexicographicalOrder,
	InRandomOrder
	}; };
	struct UseColour { enum YesOrNo {
	Auto,
	Yes,
	No
	}; };
	struct WaitForKeypress { enum When {
	Never,
	BeforeStart = 1,
	BeforeExit = 2,
	BeforeStartAndExit = BeforeStart \| BeforeExit
	}; };

	class TestSpec;

	struct IConfig : NonCopyable {

	virtual ~IConfig();

	virtual bool allowThrows() const = 0;
	virtual std::ostream& stream() const = 0;
	virtual std::string name() const = 0;
	virtual bool includeSuccessfulResults() const = 0;
	virtual bool shouldDebugBreak() const = 0;
	virtual bool warnAboutMissingAssertions() const = 0;
	virtual int abortAfter() const = 0;
	virtual bool showInvisibles() const = 0;
	virtual ShowDurations::OrNot showDurations() const = 0;
	virtual TestSpec const& testSpec() const = 0;
	virtual RunTests::InWhatOrder runOrder() const = 0;
	virtual unsigned int rngSeed() const = 0;
	virtual int benchmarkResolutionMultiple() const = 0;
	virtual UseColour::YesOrNo useColour() const = 0;
	virtual std::vector<std::string> const& getSectionsToRun() const = 0;
	virtual Verbosity verbosity() const = 0;
	};

	using IConfigPtr = std::shared_ptr<IConfig const>;
	}

	// end catch_interfaces_config.h
	// Libstdc++ doesn't like incomplete classes for unique_ptr
	// start catch_stream.h

	// start catch_streambuf.h

	#include <streambuf>

	namespace Catch {

	class StreamBufBase : public std::streambuf {
	public:
	virtual ~StreamBufBase();
	};
	}

	// end catch_streambuf.h
	#include <streambuf>
	#include <ostream>
	#include <fstream>
	#include <memory>

	namespace Catch {

	std::ostream& cout();
	std::ostream& cerr();
	std::ostream& clog();

	struct IStream {
	virtual ~IStream();
	virtual std::ostream& stream() const = 0;
	};

	class FileStream : public IStream {
	mutable std::ofstream m_ofs;
	public:
	FileStream( std::string const& filename );
	~FileStream() override = default;
	public: // IStream
	std::ostream& stream() const override;
	};

	class CoutStream : public IStream {
	mutable std::ostream m_os;
	public:
	CoutStream();
	~CoutStream() override = default;

	public: // IStream
	std::ostream& stream() const override;
	};

	class DebugOutStream : public IStream {
	std::unique_ptr<StreamBufBase> m_streamBuf;
	mutable std::ostream m_os;
	public:
	DebugOutStream();
	~DebugOutStream() override = default;

	public: // IStream
	std::ostream& stream() const override;
	};
	}

	// end catch_stream.h

	#include <memory>
	#include <vector>
	#include <string>

	#ifndef CATCH_CONFIG_CONSOLE_WIDTH
	#define CATCH_CONFIG_CONSOLE_WIDTH 80
	#endif

	namespace Catch {

	struct IStream;

	struct ConfigData {
	bool listTests = false;
	bool listTags = false;
	bool listReporters = false;
	bool listTestNamesOnly = false;

	bool showSuccessfulTests = false;
	bool shouldDebugBreak = false;
	bool noThrow = false;
	bool showHelp = false;
	bool showInvisibles = false;
	bool filenamesAsTags = false;
	bool libIdentify = false;

	int abortAfter = -1;
	unsigned int rngSeed = 0;
	int benchmarkResolutionMultiple = 100;

	Verbosity verbosity = Verbosity::Normal;
	WarnAbout::What warnings = WarnAbout::Nothing;
	ShowDurations::OrNot showDurations = ShowDurations::DefaultForReporter;
	RunTests::InWhatOrder runOrder = RunTests::InDeclarationOrder;
	UseColour::YesOrNo useColour = UseColour::Auto;
	WaitForKeypress::When waitForKeypress = WaitForKeypress::Never;

	std::string outputFilename;
	std::string name;
	std::string processName;

	std::vector<std::string> reporterNames;
	std::vector<std::string> testsOrTags;
	std::vector<std::string> sectionsToRun;
	};

	class Config : public IConfig {
	public:

	Config() = default;
	Config( ConfigData const& data );
	virtual ~Config() = default;

	std::string const& getFilename() const;

	bool listTests() const;
	bool listTestNamesOnly() const;
	bool listTags() const;
	bool listReporters() const;

	std::string getProcessName() const;

	std::vector<std::string> const& getReporterNames() const;
	std::vector<std::string> const& getSectionsToRun() const override;

	virtual TestSpec const& testSpec() const override;

	bool showHelp() const;

	// IConfig interface
	bool allowThrows() const override;
	std::ostream& stream() const override;
	std::string name() const override;
	bool includeSuccessfulResults() const override;
	bool warnAboutMissingAssertions() const override;
	ShowDurations::OrNot showDurations() const override;
	RunTests::InWhatOrder runOrder() const override;
	unsigned int rngSeed() const override;
	int benchmarkResolutionMultiple() const override;
	UseColour::YesOrNo useColour() const override;
	bool shouldDebugBreak() const override;
	int abortAfter() const override;
	bool showInvisibles() const override;
	Verbosity verbosity() const override;

	private:

	IStream const* openStream();
	ConfigData m_data;

	std::unique_ptr<IStream const> m_stream;
	TestSpec m_testSpec;
	};

	} // end namespace Catch

	// end catch_config.hpp
	// start catch_assertionresult.h

	#include <string>

	namespace Catch {

	struct AssertionResultData
	{
	AssertionResultData() = delete;

	AssertionResultData( ResultWas::OfType _resultType, LazyExpression const& _lazyExpression );

	std::string message;
	mutable std::string reconstructedExpression;
	LazyExpression lazyExpression;
	ResultWas::OfType resultType;

	std::string reconstructExpression() const;
	};

	class AssertionResult {
	public:
	AssertionResult() = delete;
	AssertionResult( AssertionInfo const& info, AssertionResultData const& data );

	bool isOk() const;
	bool succeeded() const;
	ResultWas::OfType getResultType() const;
	bool hasExpression() const;
	bool hasMessage() const;
	std::string getExpression() const;
	std::string getExpressionInMacro() const;
	bool hasExpandedExpression() const;
	std::string getExpandedExpression() const;
	std::string getMessage() const;
	SourceLineInfo getSourceInfo() const;
	std::string getTestMacroName() const;

	//protected:
	AssertionInfo m_info;
	AssertionResultData m_resultData;
	};

	} // end namespace Catch

	// end catch_assertionresult.h
	// start catch_option.hpp

	namespace Catch {

	// An optional type
	template<typename T>
	class Option {
	public:
	Option() : nullableValue( nullptr ) {}
	Option( T const& _value )
	: nullableValue( new( storage ) T( _value ) )
	{}
	Option( Option const& _other )
	: nullableValue( _other ? new( storage ) T( *_other ) : nullptr )
	{}

	~Option() {
	reset();
	}

	Option& operator= ( Option const& _other ) {
	if( &_other != this ) {
	reset();
	if( _other )
	nullableValue = new( storage ) T( *_other );
	}
	return *this;
	}
	Option& operator = ( T const& _value ) {
	reset();
	nullableValue = new( storage ) T( _value );
	return *this;
	}

	void reset() {
	if( nullableValue )
	nullableValue->~T();
	nullableValue = nullptr;
	}

	T& operator() { return nullableValue; }
	T const& operator() const { return nullableValue; }
	T* operator->() { return nullableValue; }
	const T* operator->() const { return nullableValue; }

	T valueOr( T const& defaultValue ) const {
	return nullableValue ? *nullableValue : defaultValue;
	}

	bool some() const { return nullableValue != nullptr; }
	bool none() const { return nullableValue == nullptr; }

	bool operator !() const { return nullableValue == nullptr; }
	explicit operator bool() const {
	return some();
	}

	private:
	T *nullableValue;
	alignas(alignof(T)) char storage[sizeof(T)];
	};

	} // end namespace Catch

	// end catch_option.hpp
	#include <string>
	#include <iosfwd>
	#include <map>
	#include <set>
	#include <memory>

	namespace Catch {

	struct ReporterConfig {
	explicit ReporterConfig( IConfigPtr const& _fullConfig );

	ReporterConfig( IConfigPtr const& _fullConfig, std::ostream& _stream );

	std::ostream& stream() const;
	IConfigPtr fullConfig() const;

	private:
	std::ostream* m_stream;
	IConfigPtr m_fullConfig;
	};

	struct ReporterPreferences {
	bool shouldRedirectStdOut = false;
	};

	template<typename T>
	struct LazyStat : Option<T> {
	LazyStat& operator=( T const& _value ) {
	Option<T>::operator=( _value );
	used = false;
	return *this;
	}
	void reset() {
	Option<T>::reset();
	used = false;
	}
	bool used = false;
	};

	struct TestRunInfo {
	TestRunInfo( std::string const& _name );
	std::string name;
	};
	struct GroupInfo {
	GroupInfo( std::string const& _name,
	std::size_t _groupIndex,
	std::size_t _groupsCount );

	std::string name;
	std::size_t groupIndex;
	std::size_t groupsCounts;
	};

	struct AssertionStats {
	AssertionStats( AssertionResult const& _assertionResult,
	std::vector<MessageInfo> const& _infoMessages,
	Totals const& _totals );

	AssertionStats( AssertionStats const& ) = default;
	AssertionStats( AssertionStats && ) = default;
	AssertionStats& operator = ( AssertionStats const& ) = default;
	AssertionStats& operator = ( AssertionStats && ) = default;
	virtual ~AssertionStats();

	AssertionResult assertionResult;
	std::vector<MessageInfo> infoMessages;
	Totals totals;
	};

	struct SectionStats {
	SectionStats( SectionInfo const& _sectionInfo,
	Counts const& _assertions,
	double _durationInSeconds,
	bool _missingAssertions );
	SectionStats( SectionStats const& ) = default;
	SectionStats( SectionStats && ) = default;
	SectionStats& operator = ( SectionStats const& ) = default;
	SectionStats& operator = ( SectionStats && ) = default;
	virtual ~SectionStats();

	SectionInfo sectionInfo;
	Counts assertions;
	double durationInSeconds;
	bool missingAssertions;
	};

	struct TestCaseStats {
	TestCaseStats( TestCaseInfo const& _testInfo,
	Totals const& _totals,
	std::string const& _stdOut,
	std::string const& _stdErr,
	bool _aborting );

	TestCaseStats( TestCaseStats const& ) = default;
	TestCaseStats( TestCaseStats && ) = default;
	TestCaseStats& operator = ( TestCaseStats const& ) = default;
	TestCaseStats& operator = ( TestCaseStats && ) = default;
	virtual ~TestCaseStats();

	TestCaseInfo testInfo;
	Totals totals;
	std::string stdOut;
	std::string stdErr;
	bool aborting;
	};

	struct TestGroupStats {
	TestGroupStats( GroupInfo const& _groupInfo,
	Totals const& _totals,
	bool _aborting );
	TestGroupStats( GroupInfo const& _groupInfo );

	TestGroupStats( TestGroupStats const& ) = default;
	TestGroupStats( TestGroupStats && ) = default;
	TestGroupStats& operator = ( TestGroupStats const& ) = default;
	TestGroupStats& operator = ( TestGroupStats && ) = default;
	virtual ~TestGroupStats();

	GroupInfo groupInfo;
	Totals totals;
	bool aborting;
	};

	struct TestRunStats {
	TestRunStats( TestRunInfo const& _runInfo,
	Totals const& _totals,
	bool _aborting );

	TestRunStats( TestRunStats const& ) = default;
	TestRunStats( TestRunStats && ) = default;
	TestRunStats& operator = ( TestRunStats const& ) = default;
	TestRunStats& operator = ( TestRunStats && ) = default;
	virtual ~TestRunStats();

	TestRunInfo runInfo;
	Totals totals;
	bool aborting;
	};

	struct BenchmarkInfo {
	std::string name;
	};
	struct BenchmarkStats {
	BenchmarkInfo info;
	std::size_t iterations;
	uint64_t elapsedTimeInNanoseconds;
	};

	struct IStreamingReporter {
	virtual ~IStreamingReporter() = default;

	// Implementing class must also provide the following static methods:
	// static std::string getDescription();
	// static std::set<Verbosity> getSupportedVerbosities()

	virtual ReporterPreferences getPreferences() const = 0;

	virtual void noMatchingTestCases( std::string const& spec ) = 0;

	virtual void testRunStarting( TestRunInfo const& testRunInfo ) = 0;
	virtual void testGroupStarting( GroupInfo const& groupInfo ) = 0;

	virtual void testCaseStarting( TestCaseInfo const& testInfo ) = 0;
	virtual void sectionStarting( SectionInfo const& sectionInfo ) = 0;

	// * experimental *
	virtual void benchmarkStarting( BenchmarkInfo const& ) {}

	virtual void assertionStarting( AssertionInfo const& assertionInfo ) = 0;

	// The return value indicates if the messages buffer should be cleared:
	virtual bool assertionEnded( AssertionStats const& assertionStats ) = 0;

	// * experimental *
	virtual void benchmarkEnded( BenchmarkStats const& ) {}

	virtual void sectionEnded( SectionStats const& sectionStats ) = 0;
	virtual void testCaseEnded( TestCaseStats const& testCaseStats ) = 0;
	virtual void testGroupEnded( TestGroupStats const& testGroupStats ) = 0;
	virtual void testRunEnded( TestRunStats const& testRunStats ) = 0;

	virtual void skipTest( TestCaseInfo const& testInfo ) = 0;

	// Default empty implementation provided
	virtual void fatalErrorEncountered( StringRef name );

	virtual bool isMulti() const;
	};
	using IStreamingReporterPtr = std::unique_ptr<IStreamingReporter>;

	struct IReporterFactory {
	virtual ~IReporterFactory();
	virtual IStreamingReporterPtr create( ReporterConfig const& config ) const = 0;
	virtual std::string getDescription() const = 0;
	};
	using IReporterFactoryPtr = std::shared_ptr<IReporterFactory>;

	struct IReporterRegistry {
	using FactoryMap = std::map<std::string, IReporterFactoryPtr>;
	using Listeners = std::vector<IReporterFactoryPtr>;

	virtual ~IReporterRegistry();
	virtual IStreamingReporterPtr create( std::string const& name, IConfigPtr const& config ) const = 0;
	virtual FactoryMap const& getFactories() const = 0;
	virtual Listeners const& getListeners() const = 0;
	};

	void addReporter( IStreamingReporterPtr& existingReporter, IStreamingReporterPtr&& additionalReporter );

	} // end namespace Catch

	// end catch_interfaces_reporter.h
	#include <algorithm>
	#include <cstring>
	#include <cfloat>
	#include <cstdio>
	#include <assert.h>
	#include <memory>

	namespace Catch {
	void prepareExpandedExpression(AssertionResult& result);

	// Returns double formatted as %.3f (format expected on output)
	std::string getFormattedDuration( double duration );

	template<typename DerivedT>
	struct StreamingReporterBase : IStreamingReporter {

	StreamingReporterBase( ReporterConfig const& _config )
	: m_config( _config.fullConfig() ),
	stream( _config.stream() )
	{
	m_reporterPrefs.shouldRedirectStdOut = false;
	CATCH_ENFORCE( DerivedT::getSupportedVerbosities().count( m_config->verbosity() ), "Verbosity level not supported by this reporter" );
	}

	ReporterPreferences getPreferences() const override {
	return m_reporterPrefs;
	}

	static std::set<Verbosity> getSupportedVerbosities() {
	return { Verbosity::Normal };
	}

	~StreamingReporterBase() override = default;

	void noMatchingTestCases(std::string const&) override {}

	void testRunStarting(TestRunInfo const& _testRunInfo) override {
	currentTestRunInfo = _testRunInfo;
	}
	void testGroupStarting(GroupInfo const& _groupInfo) override {
	currentGroupInfo = _groupInfo;
	}

	void testCaseStarting(TestCaseInfo const& _testInfo) override {
	currentTestCaseInfo = _testInfo;
	}
	void sectionStarting(SectionInfo const& _sectionInfo) override {
	m_sectionStack.push_back(_sectionInfo);
	}

	void sectionEnded(SectionStats const& /* _sectionStats */) override {
	m_sectionStack.pop_back();
	}
	void testCaseEnded(TestCaseStats const& /* _testCaseStats */) override {
	currentTestCaseInfo.reset();
	}
	void testGroupEnded(TestGroupStats const& /* _testGroupStats */) override {
	currentGroupInfo.reset();
	}
	void testRunEnded(TestRunStats const& /* _testRunStats */) override {
	currentTestCaseInfo.reset();
	currentGroupInfo.reset();
	currentTestRunInfo.reset();
	}

	void skipTest(TestCaseInfo const&) override {
	// Don't do anything with this by default.
	// It can optionally be overridden in the derived class.
	}

	IConfigPtr m_config;
	std::ostream& stream;

	LazyStat<TestRunInfo> currentTestRunInfo;
	LazyStat<GroupInfo> currentGroupInfo;
	LazyStat<TestCaseInfo> currentTestCaseInfo;

	std::vector<SectionInfo> m_sectionStack;
	ReporterPreferences m_reporterPrefs;
	};

	template<typename DerivedT>
	struct CumulativeReporterBase : IStreamingReporter {
	template<typename T, typename ChildNodeT>
	struct Node {
	explicit Node( T const& _value ) : value( _value ) {}
	virtual ~Node() {}

	using ChildNodes = std::vector<std::shared_ptr<ChildNodeT>>;
	T value;
	ChildNodes children;
	};
	struct SectionNode {
	explicit SectionNode(SectionStats const& _stats) : stats(_stats) {}
	virtual ~SectionNode() = default;

	bool operator == (SectionNode const& other) const {
	return stats.sectionInfo.lineInfo == other.stats.sectionInfo.lineInfo;
	}
	bool operator == (std::shared_ptr<SectionNode> const& other) const {
	return operator==(*other);
	}

	SectionStats stats;
	using ChildSections = std::vector<std::shared_ptr<SectionNode>>;
	using Assertions = std::vector<AssertionStats>;
	ChildSections childSections;
	Assertions assertions;
	std::string stdOut;
	std::string stdErr;
	};

	struct BySectionInfo {
	BySectionInfo( SectionInfo const& other ) : m_other( other ) {}
	BySectionInfo( BySectionInfo const& other ) : m_other( other.m_other ) {}
	bool operator() (std::shared_ptr<SectionNode> const& node) const {
	return ((node->stats.sectionInfo.name == m_other.name) &&
	(node->stats.sectionInfo.lineInfo == m_other.lineInfo));
	}
	void operator=(BySectionInfo const&) = delete;

	private:
	SectionInfo const& m_other;
	};

	using TestCaseNode = Node<TestCaseStats, SectionNode>;
	using TestGroupNode = Node<TestGroupStats, TestCaseNode>;
	using TestRunNode = Node<TestRunStats, TestGroupNode>;

	CumulativeReporterBase( ReporterConfig const& _config )
	: m_config( _config.fullConfig() ),
	stream( _config.stream() )
	{
	m_reporterPrefs.shouldRedirectStdOut = false;
	CATCH_ENFORCE( DerivedT::getSupportedVerbosities().count( m_config->verbosity() ), "Verbosity level not supported by this reporter" );
	}
	~CumulativeReporterBase() override = default;

	ReporterPreferences getPreferences() const override {
	return m_reporterPrefs;
	}

	static std::set<Verbosity> getSupportedVerbosities() {
	return { Verbosity::Normal };
	}

	void testRunStarting( TestRunInfo const& ) override {}
	void testGroupStarting( GroupInfo const& ) override {}

	void testCaseStarting( TestCaseInfo const& ) override {}

	void sectionStarting( SectionInfo const& sectionInfo ) override {
	SectionStats incompleteStats( sectionInfo, Counts(), 0, false );
	std::shared_ptr<SectionNode> node;
	if( m_sectionStack.empty() ) {
	if( !m_rootSection )
	m_rootSection = std::make_shared<SectionNode>( incompleteStats );
	node = m_rootSection;
	}
	else {
	SectionNode& parentNode = *m_sectionStack.back();
	auto it =
	std::find_if( parentNode.childSections.begin(),
	parentNode.childSections.end(),
	BySectionInfo( sectionInfo ) );
	if( it == parentNode.childSections.end() ) {
	node = std::make_shared<SectionNode>( incompleteStats );
	parentNode.childSections.push_back( node );
	}
	else
	node = *it;
	}
	m_sectionStack.push_back( node );
	m_deepestSection = std::move(node);
	}

	void assertionStarting(AssertionInfo const&) override {}

	bool assertionEnded(AssertionStats const& assertionStats) override {
	assert(!m_sectionStack.empty());
	// AssertionResult holds a pointer to a temporary DecomposedExpression,
	// which getExpandedExpression() calls to build the expression string.
	// Our section stack copy of the assertionResult will likely outlive the
	// temporary, so it must be expanded or discarded now to avoid calling
	// a destroyed object later.
	prepareExpandedExpression(const_cast<AssertionResult&>( assertionStats.assertionResult ) );
	SectionNode& sectionNode = *m_sectionStack.back();
	sectionNode.assertions.push_back(assertionStats);
	return true;
	}
	void sectionEnded(SectionStats const& sectionStats) override {
	assert(!m_sectionStack.empty());
	SectionNode& node = *m_sectionStack.back();
	node.stats = sectionStats;
	m_sectionStack.pop_back();
	}
	void testCaseEnded(TestCaseStats const& testCaseStats) override {
	auto node = std::make_shared<TestCaseNode>(testCaseStats);
	assert(m_sectionStack.size() == 0);
	node->children.push_back(m_rootSection);
	m_testCases.push_back(node);
	m_rootSection.reset();

	assert(m_deepestSection);
	m_deepestSection->stdOut = testCaseStats.stdOut;
	m_deepestSection->stdErr = testCaseStats.stdErr;
	}
	void testGroupEnded(TestGroupStats const& testGroupStats) override {
	auto node = std::make_shared<TestGroupNode>(testGroupStats);
	node->children.swap(m_testCases);
	m_testGroups.push_back(node);
	}
	void testRunEnded(TestRunStats const& testRunStats) override {
	auto node = std::make_shared<TestRunNode>(testRunStats);
	node->children.swap(m_testGroups);
	m_testRuns.push_back(node);
	testRunEndedCumulative();
	}
	virtual void testRunEndedCumulative() = 0;

	void skipTest(TestCaseInfo const&) override {}

	IConfigPtr m_config;
	std::ostream& stream;
	std::vector<AssertionStats> m_assertions;
	std::vector<std::vector<std::shared_ptr<SectionNode>>> m_sections;
	std::vector<std::shared_ptr<TestCaseNode>> m_testCases;
	std::vector<std::shared_ptr<TestGroupNode>> m_testGroups;

	std::vector<std::shared_ptr<TestRunNode>> m_testRuns;

	std::shared_ptr<SectionNode> m_rootSection;
	std::shared_ptr<SectionNode> m_deepestSection;
	std::vector<std::shared_ptr<SectionNode>> m_sectionStack;
	ReporterPreferences m_reporterPrefs;
	};

	template<char C>
	char const* getLineOfChars() {
	static char line[CATCH_CONFIG_CONSOLE_WIDTH] = {0};
	if( !*line ) {
	std::memset( line, C, CATCH_CONFIG_CONSOLE_WIDTH-1 );
	line[CATCH_CONFIG_CONSOLE_WIDTH-1] = 0;
	}
	return line;
	}

	struct TestEventListenerBase : StreamingReporterBase<TestEventListenerBase> {
	TestEventListenerBase( ReporterConfig const& _config );

	void assertionStarting(AssertionInfo const&) override;
	bool assertionEnded(AssertionStats const&) override;
	};

	} // end namespace Catch

	// end catch_reporter_bases.hpp
	// start catch_console_colour.h

	namespace Catch {

	struct Colour {
	enum Code {
	None = 0,

	White,
	Red,
	Green,
	Blue,
	Cyan,
	Yellow,
	Grey,

	Bright = 0x10,

	BrightRed = Bright \| Red,
	BrightGreen = Bright \| Green,
	LightGrey = Bright \| Grey,
	BrightWhite = Bright \| White,

	// By intention
	FileName = LightGrey,
	Warning = Yellow,
	ResultError = BrightRed,
	ResultSuccess = BrightGreen,
	ResultExpectedFailure = Warning,

	Error = BrightRed,
	Success = Green,

	OriginalExpression = Cyan,
	ReconstructedExpression = Yellow,

	SecondaryText = LightGrey,
	Headers = White
	};

	// Use constructed object for RAII guard
	Colour( Code _colourCode );
	Colour( Colour&& other ) noexcept;
	Colour& operator=( Colour&& other ) noexcept;
	~Colour();

	// Use static method for one-shot changes
	static void use( Code _colourCode );

	private:
	bool m_moved = false;
	};

	std::ostream& operator << ( std::ostream& os, Colour const& );

	} // end namespace Catch

	// end catch_console_colour.h
	// start catch_reporter_registrars.hpp


	namespace Catch {

	template<typename T>
	class ReporterRegistrar {

	class ReporterFactory : public IReporterFactory {

	virtual IStreamingReporterPtr create( ReporterConfig const& config ) const override {
	return std::unique_ptr<T>( new T( config ) );
	}

	virtual std::string getDescription() const override {
	return T::getDescription();
	}
	};

	public:

	ReporterRegistrar( std::string const& name ) {
	getMutableRegistryHub().registerReporter( name, std::make_shared<ReporterFactory>() );
	}
	};

	template<typename T>
	class ListenerRegistrar {

	class ListenerFactory : public IReporterFactory {

	virtual IStreamingReporterPtr create( ReporterConfig const& config ) const override {
	return std::unique_ptr<T>( new T( config ) );
	}
	virtual std::string getDescription() const override {
	return std::string();
	}
	};

	public:

	ListenerRegistrar() {
	getMutableRegistryHub().registerListener( std::make_shared<ListenerFactory>() );
	}
	};
	}

	#if !defined(CATCH_CONFIG_DISABLE)

	#define CATCH_REGISTER_REPORTER( name, reporterType ) \
	CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
	namespace{ Catch::ReporterRegistrar<reporterType> catch_internal_RegistrarFor##reporterType( name ); } \
	CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS

	#define CATCH_REGISTER_LISTENER( listenerType ) \
	CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
	namespace{ Catch::ListenerRegistrar<listenerType> catch_internal_RegistrarFor##listenerType; } \
	CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS
	#else // CATCH_CONFIG_DISABLE

	#define CATCH_REGISTER_REPORTER(name, reporterType)
	#define CATCH_REGISTER_LISTENER(listenerType)

	#endif // CATCH_CONFIG_DISABLE

	// end catch_reporter_registrars.hpp
	// end catch_external_interfaces.h
	#endif

	#ifdef CATCH_IMPL
	// start catch_impl.hpp

	#ifdef __clang__
	#pragma clang diagnostic push
	#pragma clang diagnostic ignored "-Wweak-vtables"
	#endif

	// Keep these here for external reporters
	// start catch_test_case_tracker.h

	#include <string>
	#include <vector>
	#include <memory>

	namespace Catch {
	namespace TestCaseTracking {

	struct NameAndLocation {
	std::string name;
	SourceLineInfo location;

	NameAndLocation( std::string const& _name, SourceLineInfo const& _location );
	};

	struct ITracker;

	using ITrackerPtr = std::shared_ptr<ITracker>;

	struct ITracker {
	virtual ~ITracker();

	// static queries
	virtual NameAndLocation const& nameAndLocation() const = 0;

	// dynamic queries
	virtual bool isComplete() const = 0; // Successfully completed or failed
	virtual bool isSuccessfullyCompleted() const = 0;
	virtual bool isOpen() const = 0; // Started but not complete
	virtual bool hasChildren() const = 0;

	virtual ITracker& parent() = 0;

	// actions
	virtual void close() = 0; // Successfully complete
	virtual void fail() = 0;
	virtual void markAsNeedingAnotherRun() = 0;

	virtual void addChild( ITrackerPtr const& child ) = 0;
	virtual ITrackerPtr findChild( NameAndLocation const& nameAndLocation ) = 0;
	virtual void openChild() = 0;

	// Debug/ checking
	virtual bool isSectionTracker() const = 0;
	virtual bool isIndexTracker() const = 0;
	};

	class TrackerContext {

	enum RunState {
	NotStarted,
	Executing,
	CompletedCycle
	};

	ITrackerPtr m_rootTracker;
	ITracker* m_currentTracker = nullptr;
	RunState m_runState = NotStarted;

	public:

	static TrackerContext& instance();

	ITracker& startRun();
	void endRun();

	void startCycle();
	void completeCycle();

	bool completedCycle() const;
	ITracker& currentTracker();
	void setCurrentTracker( ITracker* tracker );
	};

	class TrackerBase : public ITracker {
	protected:
	enum CycleState {
	NotStarted,
	Executing,
	ExecutingChildren,
	NeedsAnotherRun,
	CompletedSuccessfully,
	Failed
	};

	class TrackerHasName {
	NameAndLocation m_nameAndLocation;
	public:
	TrackerHasName( NameAndLocation const& nameAndLocation );
	bool operator ()( ITrackerPtr const& tracker ) const;
	};

	using Children = std::vector<ITrackerPtr>;
	NameAndLocation m_nameAndLocation;
	TrackerContext& m_ctx;
	ITracker* m_parent;
	Children m_children;
	CycleState m_runState = NotStarted;

	public:
	TrackerBase( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent );

	NameAndLocation const& nameAndLocation() const override;
	bool isComplete() const override;
	bool isSuccessfullyCompleted() const override;
	bool isOpen() const override;
	bool hasChildren() const override;

	void addChild( ITrackerPtr const& child ) override;

	ITrackerPtr findChild( NameAndLocation const& nameAndLocation ) override;
	ITracker& parent() override;

	void openChild() override;

	bool isSectionTracker() const override;
	bool isIndexTracker() const override;

	void open();

	void close() override;
	void fail() override;
	void markAsNeedingAnotherRun() override;

	private:
	void moveToParent();
	void moveToThis();
	};

	class SectionTracker : public TrackerBase {
	std::vector<std::string> m_filters;
	public:
	SectionTracker( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent );

	bool isSectionTracker() const override;

	static SectionTracker& acquire( TrackerContext& ctx, NameAndLocation const& nameAndLocation );

	void tryOpen();

	void addInitialFilters( std::vector<std::string> const& filters );
	void addNextFilters( std::vector<std::string> const& filters );
	};

	class IndexTracker : public TrackerBase {
	int m_size;
	int m_index = -1;
	public:
	IndexTracker( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent, int size );

	bool isIndexTracker() const override;
	void close() override;

	static IndexTracker& acquire( TrackerContext& ctx, NameAndLocation const& nameAndLocation, int size );

	int index() const;

	void moveNext();
	};

	} // namespace TestCaseTracking

	using TestCaseTracking::ITracker;
	using TestCaseTracking::TrackerContext;
	using TestCaseTracking::SectionTracker;
	using TestCaseTracking::IndexTracker;

	} // namespace Catch

	// end catch_test_case_tracker.h

	// start catch_leak_detector.h

	namespace Catch {

	struct LeakDetector {
	LeakDetector();
	};

	}
	// end catch_leak_detector.h
	// Cpp files will be included in the single-header file here
	// start catch_approx.cpp

	#include <cmath>
	#include <limits>

	namespace {

	// Performs equivalent check of std::fabs(lhs - rhs) <= margin
	// But without the subtraction to allow for INFINITY in comparison
	bool marginComparison(double lhs, double rhs, double margin) {
	return (lhs + margin >= rhs) && (rhs + margin >= lhs);
	}

	}

	namespace Catch {
	namespace Detail {

	Approx::Approx ( double value )
	: m_epsilon( std::numeric_limits<float>::epsilon()*100 ),
	m_margin( 0.0 ),
	m_scale( 0.0 ),
	m_value( value )
	{}

	Approx Approx::custom() {
	return Approx( 0 );
	}

	std::string Approx::toString() const {
	std::ostringstream oss;
	oss << "Approx( " << ::Catch::Detail::stringify( m_value ) << " )";
	return oss.str();
	}

	bool Approx::equalityComparisonImpl(const double other) const {
	// First try with fixed margin, then compute margin based on epsilon, scale and Approx's value
	// Thanks to Richard Harris for his help refining the scaled margin value
	return marginComparison(m_value, other, m_margin) \|\| marginComparison(m_value, other, m_epsilon * (m_scale + std::fabs(m_value)));
	}

	} // end namespace Detail

	std::string StringMaker<Catch::Detail::Approx>::convert(Catch::Detail::Approx const& value) {
	return value.toString();
	}

	} // end namespace Catch
	// end catch_approx.cpp
	// start catch_assertionhandler.cpp

	// start catch_context.h

	#include <memory>

	namespace Catch {

	struct IResultCapture;
	struct IRunner;
	struct IConfig;

	using IConfigPtr = std::shared_ptr<IConfig const>;

	struct IContext
	{
	virtual ~IContext();

	virtual IResultCapture* getResultCapture() = 0;
	virtual IRunner* getRunner() = 0;
	virtual IConfigPtr getConfig() const = 0;
	};

	struct IMutableContext : IContext
	{
	virtual ~IMutableContext();
	virtual void setResultCapture( IResultCapture* resultCapture ) = 0;
	virtual void setRunner( IRunner* runner ) = 0;
	virtual void setConfig( IConfigPtr const& config ) = 0;
	};

	IContext& getCurrentContext();
	IMutableContext& getCurrentMutableContext();
	void cleanUpContext();
	}

	// end catch_context.h
	#include <cassert>

	namespace Catch {

	auto operator <<( std::ostream& os, ITransientExpression const& expr ) -> std::ostream& {
	expr.streamReconstructedExpression( os );
	return os;
	}

	LazyExpression::LazyExpression( bool isNegated )
	: m_isNegated( isNegated )
	{}

	LazyExpression::LazyExpression( LazyExpression const& other ) : m_isNegated( other.m_isNegated ) {}

	LazyExpression::operator bool() const {
	return m_transientExpression != nullptr;
	}

	auto operator << ( std::ostream& os, LazyExpression const& lazyExpr ) -> std::ostream& {
	if( lazyExpr.m_isNegated )
	os << "!";

	if( lazyExpr ) {
	if( lazyExpr.m_isNegated && lazyExpr.m_transientExpression->isBinaryExpression() )
	os << "(" << *lazyExpr.m_transientExpression << ")";
	else
	os << *lazyExpr.m_transientExpression;
	}
	else {
	os << "{ error - unchecked empty expression requested }";
	}
	return os;
	}

	AssertionHandler::AssertionHandler
	( StringRef macroName,
	SourceLineInfo const& lineInfo,
	StringRef capturedExpression,
	ResultDisposition::Flags resultDisposition )
	: m_assertionInfo{ macroName, lineInfo, capturedExpression, resultDisposition }
	{
	getCurrentContext().getResultCapture()->assertionStarting( m_assertionInfo );
	}
	AssertionHandler::~AssertionHandler() {
	if ( m_inExceptionGuard ) {
	handle( ResultWas::ThrewException, "Exception translation was disabled by CATCH_CONFIG_FAST_COMPILE" );
	getCurrentContext().getResultCapture()->exceptionEarlyReported();
	}
	}

	void AssertionHandler::handle( ITransientExpression const& expr ) {

	bool negated = isFalseTest( m_assertionInfo.resultDisposition );
	bool result = expr.getResult() != negated;

	handle( result ? ResultWas::Ok : ResultWas::ExpressionFailed, &expr, negated );
	}
	void AssertionHandler::handle( ResultWas::OfType resultType ) {
	handle( resultType, nullptr, false );
	}
	void AssertionHandler::handle( ResultWas::OfType resultType, StringRef const& message ) {
	AssertionResultData data( resultType, LazyExpression( false ) );
	data.message = message;
	handle( data, nullptr );
	}
	void AssertionHandler::handle( ResultWas::OfType resultType, ITransientExpression const* expr, bool negated ) {
	AssertionResultData data( resultType, LazyExpression( negated ) );
	handle( data, expr );
	}
	void AssertionHandler::handle( AssertionResultData const& resultData, ITransientExpression const* expr ) {

	getResultCapture().assertionRun();

	AssertionResult assertionResult{ m_assertionInfo, resultData };
	assertionResult.m_resultData.lazyExpression.m_transientExpression = expr;

	getResultCapture().assertionEnded( assertionResult );

	if( !assertionResult.isOk() ) {
	m_shouldDebugBreak = getCurrentContext().getConfig()->shouldDebugBreak();
	m_shouldThrow =
	getCurrentContext().getRunner()->aborting() \|\|
	(m_assertionInfo.resultDisposition & ResultDisposition::Normal);
	}
	}

	auto AssertionHandler::allowThrows() const -> bool {
	return getCurrentContext().getConfig()->allowThrows();
	}

	auto AssertionHandler::shouldDebugBreak() const -> bool {
	return m_shouldDebugBreak;
	}
	void AssertionHandler::reactWithDebugBreak() const {
	if (m_shouldDebugBreak) {
	///////////////////////////////////////////////////////////////////
	// To inspect the state during test, you need to go one level up the callstack
	// To go back to the test and change execution, jump over the reactWithoutDebugBreak() call
	///////////////////////////////////////////////////////////////////
	CATCH_BREAK_INTO_DEBUGGER();
	}
	reactWithoutDebugBreak();
	}
	void AssertionHandler::reactWithoutDebugBreak() const {
	if( m_shouldThrow )
	throw Catch::TestFailureException();
	}

	void AssertionHandler::useActiveException() {
	handle( ResultWas::ThrewException, Catch::translateActiveException() );
	}

	void AssertionHandler::setExceptionGuard() {
	assert( m_inExceptionGuard == false );
	m_inExceptionGuard = true;
	}
	void AssertionHandler::unsetExceptionGuard() {
	assert( m_inExceptionGuard == true );
	m_inExceptionGuard = false;
	}

	// This is the overload that takes a string and infers the Equals matcher from it
	// The more general overload, that takes any string matcher, is in catch_capture_matchers.cpp
	void handleExceptionMatchExpr( AssertionHandler& handler, std::string const& str, StringRef matcherString ) {
	handleExceptionMatchExpr( handler, Matchers::Equals( str ), matcherString );
	}

	} // namespace Catch
	// end catch_assertionhandler.cpp
	// start catch_assertionresult.cpp

	namespace Catch {
	AssertionResultData::AssertionResultData(ResultWas::OfType _resultType, LazyExpression const & _lazyExpression):
	lazyExpression(_lazyExpression),
	resultType(_resultType) {}

	std::string AssertionResultData::reconstructExpression() const {

	if( reconstructedExpression.empty() ) {
	if( lazyExpression ) {
	// !TBD Use stringstream for now, but rework above to pass stream in
	std::ostringstream oss;
	oss << lazyExpression;
	reconstructedExpression = oss.str();
	}
	}
	return reconstructedExpression;
	}

	AssertionResult::AssertionResult( AssertionInfo const& info, AssertionResultData const& data )
	: m_info( info ),
	m_resultData( data )
	{}

	// Result was a success
	bool AssertionResult::succeeded() const {
	return Catch::isOk( m_resultData.resultType );
	}

	// Result was a success, or failure is suppressed
	bool AssertionResult::isOk() const {
	return Catch::isOk( m_resultData.resultType ) \|\| shouldSuppressFailure( m_info.resultDisposition );
	}

	ResultWas::OfType AssertionResult::getResultType() const {
	return m_resultData.resultType;
	}

	bool AssertionResult::hasExpression() const {
	return m_info.capturedExpression[0] != 0;
	}

	bool AssertionResult::hasMessage() const {
	return !m_resultData.message.empty();
	}

	std::string AssertionResult::getExpression() const {
	if( isFalseTest( m_info.resultDisposition ) )
	return "!(" + std::string(m_info.capturedExpression) + ")";
	else
	return m_info.capturedExpression;
	}

	std::string AssertionResult::getExpressionInMacro() const {
	std::string expr;
	if( m_info.macroName[0] == 0 )
	expr = m_info.capturedExpression;
	else {
	expr.reserve( m_info.macroName.size() + m_info.capturedExpression.size() + 4 );
	expr += m_info.macroName;
	expr += "( ";
	expr += m_info.capturedExpression;
	expr += " )";
	}
	return expr;
	}

	bool AssertionResult::hasExpandedExpression() const {
	return hasExpression() && getExpandedExpression() != getExpression();
	}

	std::string AssertionResult::getExpandedExpression() const {
	std::string expr = m_resultData.reconstructExpression();
	return expr.empty()
	? getExpression()
	: expr;
	}

	std::string AssertionResult::getMessage() const {
	return m_resultData.message;
	}
	SourceLineInfo AssertionResult::getSourceInfo() const {
	return m_info.lineInfo;
	}

	std::string AssertionResult::getTestMacroName() const {
	return m_info.macroName;
	}

	} // end namespace Catch
	// end catch_assertionresult.cpp
	// start catch_benchmark.cpp

	namespace Catch {

	auto BenchmarkLooper::getResolution() -> uint64_t {
	return getEstimatedClockResolution() * getCurrentContext().getConfig()->benchmarkResolutionMultiple();
	}

	void BenchmarkLooper::reportStart() {
	getResultCapture().benchmarkStarting( { m_name } );
	}
	auto BenchmarkLooper::needsMoreIterations() -> bool {
	auto elapsed = m_timer.getElapsedNanoseconds();

	// Exponentially increasing iterations until we're confident in our timer resolution
	if( elapsed < m_resolution ) {
	m_iterationsToRun *= 10;
	return true;
	}

	getResultCapture().benchmarkEnded( { { m_name }, m_count, elapsed } );
	return false;
	}

	} // end namespace Catch
	// end catch_benchmark.cpp
	// start catch_capture_matchers.cpp

	namespace Catch {

	using StringMatcher = Matchers::Impl::MatcherBase<std::string>;

	// This is the general overload that takes a any string matcher
	// There is another overload, in catch_assertinhandler.h/.cpp, that only takes a string and infers
	// the Equals matcher (so the header does not mention matchers)
	void handleExceptionMatchExpr( AssertionHandler& handler, StringMatcher const& matcher, StringRef matcherString ) {
	std::string exceptionMessage = Catch::translateActiveException();
	MatchExpr<std::string, StringMatcher const&> expr( exceptionMessage, matcher, matcherString );
	handler.handle( expr );
	}

	} // namespace Catch
	// end catch_capture_matchers.cpp
	// start catch_commandline.cpp

	// start catch_commandline.h

	// start catch_clara.h

	// Use Catch's value for console width (store Clara's off to the side, if present)
	#ifdef CLARA_CONFIG_CONSOLE_WIDTH
	#define CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
	#undef CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
	#endif
	#define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH CATCH_CONFIG_CONSOLE_WIDTH-1

	#ifdef __clang__
	#pragma clang diagnostic push
	#pragma clang diagnostic ignored "-Wweak-vtables"
	#pragma clang diagnostic ignored "-Wexit-time-destructors"
	#pragma clang diagnostic ignored "-Wshadow"
	#endif

	// start clara.hpp
	// v1.0-develop.2
	// See https://github.com/philsquared/Clara


	#ifndef CATCH_CLARA_CONFIG_CONSOLE_WIDTH
	#define CATCH_CLARA_CONFIG_CONSOLE_WIDTH 80
	#endif

	#ifndef CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
	#define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH CATCH_CLARA_CONFIG_CONSOLE_WIDTH
	#endif

	// ----------- #included from clara_textflow.hpp -----------

	// TextFlowCpp
	//
	// A single-header library for wrapping and laying out basic text, by Phil Nash
	//
	// This work is licensed under the BSD 2-Clause license.
	// See the accompanying LICENSE file, or the one at https://opensource.org/licenses/BSD-2-Clause
	//
	// This project is hosted at https://github.com/philsquared/textflowcpp


	#include <cassert>
	#include <ostream>
	#include <sstream>
	#include <vector>

	#ifndef CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
	#define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH 80
	#endif

	namespace Catch { namespace clara { namespace TextFlow {

	inline auto isWhitespace( char c ) -> bool {
	static std::string chars = " \t\n\r";
	return chars.find( c ) != std::string::npos;
	}
	inline auto isBreakableBefore( char c ) -> bool {
	static std::string chars = "[({<\|";
	return chars.find( c ) != std::string::npos;
	}
	inline auto isBreakableAfter( char c ) -> bool {
	static std::string chars = "])}>.,:;*+-=&/\\";
	return chars.find( c ) != std::string::npos;
	}

	class Columns;

	class Column {
	std::vector<std::string> m_strings;
	size_t m_width = CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH;
	size_t m_indent = 0;
	size_t m_initialIndent = std::string::npos;

	public:
	class iterator {
	friend Column;

	Column const& m_column;
	size_t m_stringIndex = 0;
	size_t m_pos = 0;

	size_t m_len = 0;
	size_t m_end = 0;
	bool m_suffix = false;

	iterator( Column const& column, size_t stringIndex )
	: m_column( column ),
	m_stringIndex( stringIndex )
	{}

	auto line() const -> std::string const& { return m_column.m_strings[m_stringIndex]; }

	auto isBoundary( size_t at ) const -> bool {
	assert( at > 0 );
	assert( at <= line().size() );

	return at == line().size() \|\|
	( isWhitespace( line()[at] ) && !isWhitespace( line()[at-1] ) ) \|\|
	isBreakableBefore( line()[at] ) \|\|
	isBreakableAfter( line()[at-1] );
	}

	void calcLength() {
	assert( m_stringIndex < m_column.m_strings.size() );

	m_suffix = false;
	auto width = m_column.m_width-indent();
	m_end = m_pos;
	while( m_end < line().size() && line()[m_end] != '\n' )
	++m_end;

	if( m_end < m_pos + width ) {
	m_len = m_end - m_pos;
	}
	else {
	size_t len = width;
	while (len > 0 && !isBoundary(m_pos + len))
	--len;
	while (len > 0 && isWhitespace( line()[m_pos + len - 1] ))
	--len;

	if (len > 0) {
	m_len = len;
	} else {
	m_suffix = true;
	m_len = width - 1;
	}
	}
	}

	auto indent() const -> size_t {
	auto initial = m_pos == 0 && m_stringIndex == 0 ? m_column.m_initialIndent : std::string::npos;
	return initial == std::string::npos ? m_column.m_indent : initial;
	}

	auto addIndentAndSuffix(std::string const &plain) const -> std::string {
	return std::string( indent(), ' ' ) + (m_suffix ? plain + "-" : plain);
	}

	public:
	explicit iterator( Column const& column ) : m_column( column ) {
	assert( m_column.m_width > m_column.m_indent );
	assert( m_column.m_initialIndent == std::string::npos \|\| m_column.m_width > m_column.m_initialIndent );
	calcLength();
	if( m_len == 0 )
	m_stringIndex++; // Empty string
	}

	auto operator *() const -> std::string {
	assert( m_stringIndex < m_column.m_strings.size() );
	assert( m_pos <= m_end );
	if( m_pos + m_column.m_width < m_end )
	return addIndentAndSuffix(line().substr(m_pos, m_len));
	else
	return addIndentAndSuffix(line().substr(m_pos, m_end - m_pos));
	}

	auto operator ++() -> iterator& {
	m_pos += m_len;
	if( m_pos < line().size() && line()[m_pos] == '\n' )
	m_pos += 1;
	else
	while( m_pos < line().size() && isWhitespace( line()[m_pos] ) )
	++m_pos;

	if( m_pos == line().size() ) {
	m_pos = 0;
	++m_stringIndex;
	}
	if( m_stringIndex < m_column.m_strings.size() )
	calcLength();
	return *this;
	}
	auto operator ++(int) -> iterator {
	iterator prev( *this );
	operator++();
	return prev;
	}

	auto operator ==( iterator const& other ) const -> bool {
	return
	m_pos == other.m_pos &&
	m_stringIndex == other.m_stringIndex &&
	&m_column == &other.m_column;
	}
	auto operator !=( iterator const& other ) const -> bool {
	return !operator==( other );
	}
	};
	using const_iterator = iterator;

	explicit Column( std::string const& text ) { m_strings.push_back( text ); }

	auto width( size_t newWidth ) -> Column& {
	assert( newWidth > 0 );
	m_width = newWidth;
	return *this;
	}
	auto indent( size_t newIndent ) -> Column& {
	m_indent = newIndent;
	return *this;
	}
	auto initialIndent( size_t newIndent ) -> Column& {
	m_initialIndent = newIndent;
	return *this;
	}

	auto width() const -> size_t { return m_width; }
	auto begin() const -> iterator { return iterator( *this ); }
	auto end() const -> iterator { return { *this, m_strings.size() }; }

	inline friend std::ostream& operator << ( std::ostream& os, Column const& col ) {
	bool first = true;
	for( auto line : col ) {
	if( first )
	first = false;
	else
	os << "\n";
	os << line;
	}
	return os;
	}

	auto operator + ( Column const& other ) -> Columns;

	auto toString() const -> std::string {
	std::ostringstream oss;
	oss << *this;
	return oss.str();
	}
	};

	class Spacer : public Column {

	public:
	explicit Spacer( size_t spaceWidth ) : Column( "" ) {
	width( spaceWidth );
	}
	};

	class Columns {
	std::vector<Column> m_columns;

	public:

	class iterator {
	friend Columns;
	struct EndTag {};

	std::vector<Column> const& m_columns;
	std::vector<Column::iterator> m_iterators;
	size_t m_activeIterators;

	iterator( Columns const& columns, EndTag )
	: m_columns( columns.m_columns ),
	m_activeIterators( 0 )
	{
	m_iterators.reserve( m_columns.size() );

	for( auto const& col : m_columns )
	m_iterators.push_back( col.end() );
	}

	public:
	explicit iterator( Columns const& columns )
	: m_columns( columns.m_columns ),
	m_activeIterators( m_columns.size() )
	{
	m_iterators.reserve( m_columns.size() );

	for( auto const& col : m_columns )
	m_iterators.push_back( col.begin() );
	}

	auto operator ==( iterator const& other ) const -> bool {
	return m_iterators == other.m_iterators;
	}
	auto operator !=( iterator const& other ) const -> bool {
	return m_iterators != other.m_iterators;
	}
	auto operator *() const -> std::string {
	std::string row, padding;

	for( size_t i = 0; i < m_columns.size(); ++i ) {
	auto width = m_columns[i].width();
	if( m_iterators[i] != m_columns[i].end() ) {
	std::string col = *m_iterators[i];
	row += padding + col;
	if( col.size() < width )
	padding = std::string( width - col.size(), ' ' );
	else
	padding = "";
	}
	else {
	padding += std::string( width, ' ' );
	}
	}
	return row;
	}
	auto operator ++() -> iterator& {
	for( size_t i = 0; i < m_columns.size(); ++i ) {
	if (m_iterators[i] != m_columns[i].end())
	++m_iterators[i];
	}
	return *this;
	}
	auto operator ++(int) -> iterator {
	iterator prev( *this );
	operator++();
	return prev;
	}
	};
	using const_iterator = iterator;

	auto begin() const -> iterator { return iterator( *this ); }
	auto end() const -> iterator { return { *this, iterator::EndTag() }; }

	auto operator += ( Column const& col ) -> Columns& {
	m_columns.push_back( col );
	return *this;
	}
	auto operator + ( Column const& col ) -> Columns {
	Columns combined = *this;
	combined += col;
	return combined;
	}

	inline friend std::ostream& operator << ( std::ostream& os, Columns const& cols ) {

	bool first = true;
	for( auto line : cols ) {
	if( first )
	first = false;
	else
	os << "\n";
	os << line;
	}
	return os;
	}

	auto toString() const -> std::string {
	std::ostringstream oss;
	oss << *this;
	return oss.str();
	}
	};

	inline auto Column::operator + ( Column const& other ) -> Columns {
	Columns cols;
	cols += *this;
	cols += other;
	return cols;
	}
	}}} // namespace Catch::clara::TextFlow

	// ----------- end of #include from clara_textflow.hpp -----------
	// ........... back in clara.hpp

	#include <memory>
	#include <set>
	#include <algorithm>

	#if !defined(CATCH_PLATFORM_WINDOWS) && ( defined(WIN32) \|\| defined(__WIN32__) \|\| defined(_WIN32) \|\| defined(_MSC_VER) )
	#define CATCH_PLATFORM_WINDOWS
	#endif

	namespace Catch { namespace clara {
	namespace detail {

	// Traits for extracting arg and return type of lambdas (for single argument lambdas)
	template<typename L>
	struct UnaryLambdaTraits : UnaryLambdaTraits<decltype( &L::operator() )> {};

	template<typename ClassT, typename ReturnT, typename... Args>
	struct UnaryLambdaTraits<ReturnT( ClassT::* )( Args... ) const> {
	static const bool isValid = false;
	};

	template<typename ClassT, typename ReturnT, typename ArgT>
	struct UnaryLambdaTraits<ReturnT( ClassT::* )( ArgT ) const> {
	static const bool isValid = true;
	using ArgType = typename std::remove_const<typename std::remove_reference<ArgT>::type>::type;;
	using ReturnType = ReturnT;
	};

	class TokenStream;

	// Transport for raw args (copied from main args, or supplied via init list for testing)
	class Args {
	friend TokenStream;
	std::string m_exeName;
	std::vector<std::string> m_args;

	public:
	Args( int argc, char *argv[] ) {
	m_exeName = argv[0];
	for( int i = 1; i < argc; ++i )
	m_args.push_back( argv[i] );
	}

	Args( std::initializer_list<std::string> args )
	: m_exeName( *args.begin() ),
	m_args( args.begin()+1, args.end() )
	{}

	auto exeName() const -> std::string {
	return m_exeName;
	}
	};

	// Wraps a token coming from a token stream. These may not directly correspond to strings as a single string
	// may encode an option + its argument if the : or = form is used
	enum class TokenType {
	Option, Argument
	};
	struct Token {
	TokenType type;
	std::string token;
	};

	inline auto isOptPrefix( char c ) -> bool {
	return c == '-'
	#ifdef CATCH_PLATFORM_WINDOWS
	\|\| c == '/'
	#endif
	;
	}

	// Abstracts iterators into args as a stream of tokens, with option arguments uniformly handled
	class TokenStream {
	using Iterator = std::vector<std::string>::const_iterator;
	Iterator it;
	Iterator itEnd;
	std::vector<Token> m_tokenBuffer;

	void loadBuffer() {
	m_tokenBuffer.resize( 0 );

	// Skip any empty strings
	while( it != itEnd && it->empty() )
	++it;

	if( it != itEnd ) {
	auto const &next = *it;
	if( isOptPrefix( next[0] ) ) {
	auto delimiterPos = next.find_first_of( " :=" );
	if( delimiterPos != std::string::npos ) {
	m_tokenBuffer.push_back( { TokenType::Option, next.substr( 0, delimiterPos ) } );
	m_tokenBuffer.push_back( { TokenType::Argument, next.substr( delimiterPos + 1 ) } );
	} else {
	if( next[1] != '-' && next.size() > 2 ) {
	std::string opt = "- ";
	for( size_t i = 1; i < next.size(); ++i ) {
	opt[1] = next[i];
	m_tokenBuffer.push_back( { TokenType::Option, opt } );
	}
	} else {
	m_tokenBuffer.push_back( { TokenType::Option, next } );
	}
	}
	} else {
	m_tokenBuffer.push_back( { TokenType::Argument, next } );
	}
	}
	}

	public:
	explicit TokenStream( Args const &args ) : TokenStream( args.m_args.begin(), args.m_args.end() ) {}

	TokenStream( Iterator it, Iterator itEnd ) : it( it ), itEnd( itEnd ) {
	loadBuffer();
	}

	explicit operator bool() const {
	return !m_tokenBuffer.empty() \|\| it != itEnd;
	}

	auto count() const -> size_t { return m_tokenBuffer.size() + (itEnd - it); }

	auto operator*() const -> Token {
	assert( !m_tokenBuffer.empty() );
	return m_tokenBuffer.front();
	}

	auto operator->() const -> Token const * {
	assert( !m_tokenBuffer.empty() );
	return &m_tokenBuffer.front();
	}

	auto operator++() -> TokenStream & {
	if( m_tokenBuffer.size() >= 2 ) {
	m_tokenBuffer.erase( m_tokenBuffer.begin() );
	} else {
	if( it != itEnd )
	++it;
	loadBuffer();
	}
	return *this;
	}
	};

	class ResultBase {
	public:
	enum Type {
	Ok, LogicError, RuntimeError
	};

	protected:
	ResultBase( Type type ) : m_type( type ) {}
	virtual ~ResultBase() = default;

	virtual void enforceOk() const = 0;

	Type m_type;
	};

	template<typename T>
	class ResultValueBase : public ResultBase {
	public:
	auto value() const -> T const & {
	enforceOk();
	return m_value;
	}

	protected:
	ResultValueBase( Type type ) : ResultBase( type ) {}

	ResultValueBase( ResultValueBase const &other ) : ResultBase( other ) {
	if( m_type == ResultBase::Ok )
	new( &m_value ) T( other.m_value );
	}

	ResultValueBase( Type, T const &value ) : ResultBase( Ok ) {
	new( &m_value ) T( value );
	}

	auto operator=( ResultValueBase const &other ) -> ResultValueBase & {
	if( m_type == ResultBase::Ok )
	m_value.~T();
	ResultBase::operator=(other);
	if( m_type == ResultBase::Ok )
	new( &m_value ) T( other.m_value );
	return *this;
	}

	~ResultValueBase() {
	if( m_type == Ok )
	m_value.~T();
	}

	union {
	T m_value;
	};
	};

	template<>
	class ResultValueBase<void> : public ResultBase {
	protected:
	using ResultBase::ResultBase;
	};

	template<typename T = void>
	class BasicResult : public ResultValueBase<T> {
	public:
	template<typename U>
	explicit BasicResult( BasicResult<U> const &other )
	: ResultValueBase<T>( other.type() ),
	m_errorMessage( other.errorMessage() )
	{
	assert( type() != ResultBase::Ok );
	}

	template<typename U>
	static auto ok( U const &value ) -> BasicResult { return { ResultBase::Ok, value }; }
	static auto ok() -> BasicResult { return { ResultBase::Ok }; }
	static auto logicError( std::string const &message ) -> BasicResult { return { ResultBase::LogicError, message }; }
	static auto runtimeError( std::string const &message ) -> BasicResult { return { ResultBase::RuntimeError, message }; }

	explicit operator bool() const { return m_type == ResultBase::Ok; }
	auto type() const -> ResultBase::Type { return m_type; }
	auto errorMessage() const -> std::string { return m_errorMessage; }

	protected:
	virtual void enforceOk() const {
	// !TBD: If no exceptions, std::terminate here or something
	switch( m_type ) {
	case ResultBase::LogicError:
	throw std::logic_error( m_errorMessage );
	case ResultBase::RuntimeError:
	throw std::runtime_error( m_errorMessage );
	case ResultBase::Ok:
	break;
	}
	}

	std::string m_errorMessage; // Only populated if resultType is an error

	BasicResult( ResultBase::Type type, std::string const &message )
	: ResultValueBase<T>(type),
	m_errorMessage(message)
	{
	assert( m_type != ResultBase::Ok );
	}

	using ResultValueBase<T>::ResultValueBase;
	using ResultBase::m_type;
	};

	enum class ParseResultType {
	Matched, NoMatch, ShortCircuitAll, ShortCircuitSame
	};

	class ParseState {
	public:

	ParseState( ParseResultType type, TokenStream const &remainingTokens )
	: m_type(type),
	m_remainingTokens( remainingTokens )
	{}

	auto type() const -> ParseResultType { return m_type; }
	auto remainingTokens() const -> TokenStream { return m_remainingTokens; }

	private:
	ParseResultType m_type;
	TokenStream m_remainingTokens;
	};

	using Result = BasicResult<void>;
	using ParserResult = BasicResult<ParseResultType>;
	using InternalParseResult = BasicResult<ParseState>;

	struct HelpColumns {
	std::string left;
	std::string right;
	};

	template<typename T>
	inline auto convertInto( std::string const &source, T& target ) -> ParserResult {
	std::stringstream ss;
	ss << source;
	ss >> target;
	if( ss.fail() )
	return ParserResult::runtimeError( "Unable to convert '" + source + "' to destination type" );
	else
	return ParserResult::ok( ParseResultType::Matched );
	}
	inline auto convertInto( std::string const &source, std::string& target ) -> ParserResult {
	target = source;
	return ParserResult::ok( ParseResultType::Matched );
	}
	inline auto convertInto( std::string const &source, bool &target ) -> ParserResult {
	std::string srcLC = source;
	std::transform( srcLC.begin(), srcLC.end(), srcLC.begin(), []( char c ) { return static_cast<char>( ::tolower(c) ); } );
	if (srcLC == "y" \|\| srcLC == "1" \|\| srcLC == "true" \|\| srcLC == "yes" \|\| srcLC == "on")
	target = true;
	else if (srcLC == "n" \|\| srcLC == "0" \|\| srcLC == "false" \|\| srcLC == "no" \|\| srcLC == "off")
	target = false;
	else
	return ParserResult::runtimeError( "Expected a boolean value but did not recognise: '" + source + "'" );
	return ParserResult::ok( ParseResultType::Matched );
	}

	struct BoundRefBase {
	BoundRefBase() = default;
	BoundRefBase( BoundRefBase const & ) = delete;
	BoundRefBase( BoundRefBase && ) = delete;
	BoundRefBase &operator=( BoundRefBase const & ) = delete;
	BoundRefBase &operator=( BoundRefBase && ) = delete;

	virtual ~BoundRefBase() = default;

	virtual auto isFlag() const -> bool = 0;
	virtual auto isContainer() const -> bool { return false; }
	virtual auto setValue( std::string const &arg ) -> ParserResult = 0;
	virtual auto setFlag( bool flag ) -> ParserResult = 0;
	};

	struct BoundValueRefBase : BoundRefBase {
	auto isFlag() const -> bool override { return false; }

	auto setFlag( bool ) -> ParserResult override {
	return ParserResult::logicError( "Flags can only be set on boolean fields" );
	}
	};

	struct BoundFlagRefBase : BoundRefBase {
	auto isFlag() const -> bool override { return true; }

	auto setValue( std::string const &arg ) -> ParserResult override {
	bool flag;
	auto result = convertInto( arg, flag );
	if( result )
	setFlag( flag );
	return result;
	}
	};

	template<typename T>
	struct BoundRef : BoundValueRefBase {
	T &m_ref;

	explicit BoundRef( T &ref ) : m_ref( ref ) {}

	auto setValue( std::string const &arg ) -> ParserResult override {
	return convertInto( arg, m_ref );
	}
	};

	template<typename T>
	struct BoundRef<std::vector<T>> : BoundValueRefBase {
	std::vector<T> &m_ref;

	explicit BoundRef( std::vector<T> &ref ) : m_ref( ref ) {}

	auto isContainer() const -> bool override { return true; }

	auto setValue( std::string const &arg ) -> ParserResult override {
	T temp;
	auto result = convertInto( arg, temp );
	if( result )
	m_ref.push_back( temp );
	return result;
	}
	};

	struct BoundFlagRef : BoundFlagRefBase {
	bool &m_ref;

	explicit BoundFlagRef( bool &ref ) : m_ref( ref ) {}

	auto setFlag( bool flag ) -> ParserResult override {
	m_ref = flag;
	return ParserResult::ok( ParseResultType::Matched );
	}
	};

	template<typename ReturnType>
	struct LambdaInvoker {
	static_assert( std::is_same<ReturnType, ParserResult>::value, "Lambda must return void or clara::ParserResult" );

	template<typename L, typename ArgType>
	static auto invoke( L const &lambda, ArgType const &arg ) -> ParserResult {
	return lambda( arg );
	}
	};

	template<>
	struct LambdaInvoker<void> {
	template<typename L, typename ArgType>
	static auto invoke( L const &lambda, ArgType const &arg ) -> ParserResult {
	lambda( arg );
	return ParserResult::ok( ParseResultType::Matched );
	}
	};

	template<typename ArgType, typename L>
	inline auto invokeLambda( L const &lambda, std::string const &arg ) -> ParserResult {
	ArgType temp;
	auto result = convertInto( arg, temp );
	return !result
	? result
	: LambdaInvoker<typename UnaryLambdaTraits<L>::ReturnType>::invoke( lambda, temp );
	};

	template<typename L>
	struct BoundLambda : BoundValueRefBase {
	L m_lambda;

	static_assert( UnaryLambdaTraits<L>::isValid, "Supplied lambda must take exactly one argument" );
	explicit BoundLambda( L const &lambda ) : m_lambda( lambda ) {}

	auto setValue( std::string const &arg ) -> ParserResult override {
	return invokeLambda<typename UnaryLambdaTraits<L>::ArgType>( m_lambda, arg );
	}
	};

	template<typename L>
	struct BoundFlagLambda : BoundFlagRefBase {
	L m_lambda;

	static_assert( UnaryLambdaTraits<L>::isValid, "Supplied lambda must take exactly one argument" );
	static_assert( std::is_same<typename UnaryLambdaTraits<L>::ArgType, bool>::value, "flags must be boolean" );

	explicit BoundFlagLambda( L const &lambda ) : m_lambda( lambda ) {}

	auto setFlag( bool flag ) -> ParserResult override {
	return LambdaInvoker<typename UnaryLambdaTraits<L>::ReturnType>::invoke( m_lambda, flag );
	}
	};

	enum class Optionality { Optional, Required };

	struct Parser;

	class ParserBase {
	public:
	virtual ~ParserBase() = default;
	virtual auto validate() const -> Result { return Result::ok(); }
	virtual auto parse( std::string const& exeName, TokenStream const &tokens) const -> InternalParseResult = 0;
	virtual auto cardinality() const -> size_t { return 1; }

	auto parse( Args const &args ) const -> InternalParseResult {
	return parse( args.exeName(), TokenStream( args ) );
	}
	};

	template<typename DerivedT>
	class ComposableParserImpl : public ParserBase {
	public:
	template<typename T>
	auto operator\|( T const &other ) const -> Parser;
	};

	// Common code and state for Args and Opts
	template<typename DerivedT>
	class ParserRefImpl : public ComposableParserImpl<DerivedT> {
	protected:
	Optionality m_optionality = Optionality::Optional;
	std::shared_ptr<BoundRefBase> m_ref;
	std::string m_hint;
	std::string m_description;

	explicit ParserRefImpl( std::shared_ptr<BoundRefBase> const &ref ) : m_ref( ref ) {}

	public:
	template<typename T>
	ParserRefImpl( T &ref, std::string const &hint )
	: m_ref( std::make_shared<BoundRef<T>>( ref ) ),
	m_hint( hint )
	{}

	template<typename LambdaT>
	ParserRefImpl( LambdaT const &ref, std::string const &hint )
	: m_ref( std::make_shared<BoundLambda<LambdaT>>( ref ) ),
	m_hint(hint)
	{}

	auto operator()( std::string const &description ) -> DerivedT & {
	m_description = description;
	return static_cast<DerivedT &>( *this );
	}

	auto optional() -> DerivedT & {
	m_optionality = Optionality::Optional;
	return static_cast<DerivedT &>( *this );
	};

	auto required() -> DerivedT & {
	m_optionality = Optionality::Required;
	return static_cast<DerivedT &>( *this );
	};

	auto isOptional() const -> bool {
	return m_optionality == Optionality::Optional;
	}

	auto cardinality() const -> size_t override {
	if( m_ref->isContainer() )
	return 0;
	else
	return 1;
	}

	auto hint() const -> std::string { return m_hint; }
	};

	class ExeName : public ComposableParserImpl<ExeName> {
	std::shared_ptr<std::string> m_name;
	std::shared_ptr<BoundRefBase> m_ref;

	template<typename LambdaT>
	static auto makeRef(LambdaT const &lambda) -> std::shared_ptr<BoundRefBase> {
	return std::make_shared<BoundLambda<LambdaT>>( lambda) ;
	}

	public:
	ExeName() : m_name( std::make_shared<std::string>( "<executable>" ) ) {}

	explicit ExeName( std::string &ref ) : ExeName() {
	m_ref = std::make_shared<BoundRef<std::string>>( ref );
	}

	template<typename LambdaT>
	explicit ExeName( LambdaT const& lambda ) : ExeName() {
	m_ref = std::make_shared<BoundLambda<LambdaT>>( lambda );
	}

	// The exe name is not parsed out of the normal tokens, but is handled specially
	auto parse( std::string const&, TokenStream const &tokens ) const -> InternalParseResult override {
	return InternalParseResult::ok( ParseState( ParseResultType::NoMatch, tokens ) );
	}

	auto name() const -> std::string { return *m_name; }
	auto set( std::string const& newName ) -> ParserResult {

	auto lastSlash = newName.find_last_of( "\\/" );
	auto filename = ( lastSlash == std::string::npos )
	? newName
	: newName.substr( lastSlash+1 );

	*m_name = filename;
	if( m_ref )
	return m_ref->setValue( filename );
	else
	return ParserResult::ok( ParseResultType::Matched );
	}
	};

	class Arg : public ParserRefImpl<Arg> {
	public:
	using ParserRefImpl::ParserRefImpl;

	auto parse( std::string const &, TokenStream const &tokens ) const -> InternalParseResult override {
	auto validationResult = validate();
	if( !validationResult )
	return InternalParseResult( validationResult );

	auto remainingTokens = tokens;
	auto const &token = *remainingTokens;
	if( token.type != TokenType::Argument )
	return InternalParseResult::ok( ParseState( ParseResultType::NoMatch, remainingTokens ) );

	auto result = m_ref->setValue( remainingTokens->token );
	if( !result )
	return InternalParseResult( result );
	else
	return InternalParseResult::ok( ParseState( ParseResultType::Matched, ++remainingTokens ) );
	}
	};

	inline auto normaliseOpt( std::string const &optName ) -> std::string {
	#ifdef CATCH_PLATFORM_WINDOWS
	if( optName[0] == '/' )
	return "-" + optName.substr( 1 );
	else
	#endif
	return optName;
	}

	class Opt : public ParserRefImpl<Opt> {
	protected:
	std::vector<std::string> m_optNames;

	public:
	template<typename LambdaT>
	explicit Opt( LambdaT const &ref ) : ParserRefImpl( std::make_shared<BoundFlagLambda<LambdaT>>( ref ) ) {}

	explicit Opt( bool &ref ) : ParserRefImpl( std::make_shared<BoundFlagRef>( ref ) ) {}

	template<typename LambdaT>
	Opt( LambdaT const &ref, std::string const &hint ) : ParserRefImpl( ref, hint ) {}

	template<typename T>
	Opt( T &ref, std::string const &hint ) : ParserRefImpl( ref, hint ) {}

	auto operator[]( std::string const &optName ) -> Opt & {
	m_optNames.push_back( optName );
	return *this;
	}

	auto getHelpColumns() const -> std::vector<HelpColumns> {
	std::ostringstream oss;
	bool first = true;
	for( auto const &opt : m_optNames ) {
	if (first)
	first = false;
	else
	oss << ", ";
	oss << opt;
	}
	if( !m_hint.empty() )
	oss << " <" << m_hint << ">";
	return { { oss.str(), m_description } };
	}

	auto isMatch( std::string const &optToken ) const -> bool {
	auto normalisedToken = normaliseOpt( optToken );
	for( auto const &name : m_optNames ) {
	if( normaliseOpt( name ) == normalisedToken )
	return true;
	}
	return false;
	}

	using ParserBase::parse;

	auto parse( std::string const&, TokenStream const &tokens ) const -> InternalParseResult override {
	auto validationResult = validate();
	if( !validationResult )
	return InternalParseResult( validationResult );

	auto remainingTokens = tokens;
	if( remainingTokens && remainingTokens->type == TokenType::Option ) {
	auto const &token = *remainingTokens;
	if( isMatch(token.token ) ) {
	if( m_ref->isFlag() ) {
	auto result = m_ref->setFlag( true );
	if( !result )
	return InternalParseResult( result );
	if( result.value() == ParseResultType::ShortCircuitAll )
	return InternalParseResult::ok( ParseState( result.value(), remainingTokens ) );
	} else {
	++remainingTokens;
	if( !remainingTokens )
	return InternalParseResult::runtimeError( "Expected argument following " + token.token );
	auto const &argToken = *remainingTokens;
	if( argToken.type != TokenType::Argument )
	return InternalParseResult::runtimeError( "Expected argument following " + token.token );
	auto result = m_ref->setValue( argToken.token );
	if( !result )
	return InternalParseResult( result );
	if( result.value() == ParseResultType::ShortCircuitAll )
	return InternalParseResult::ok( ParseState( result.value(), remainingTokens ) );
	}
	return InternalParseResult::ok( ParseState( ParseResultType::Matched, ++remainingTokens ) );
	}
	}
	return InternalParseResult::ok( ParseState( ParseResultType::NoMatch, remainingTokens ) );
	}

	auto validate() const -> Result override {
	if( m_optNames.empty() )
	return Result::logicError( "No options supplied to Opt" );
	for( auto const &name : m_optNames ) {
	if( name.empty() )
	return Result::logicError( "Option name cannot be empty" );
	#ifdef CATCH_PLATFORM_WINDOWS
	if( name[0] != '-' && name[0] != '/' )
	return Result::logicError( "Option name must begin with '-' or '/'" );
	#else
	if( name[0] != '-' )
	return Result::logicError( "Option name must begin with '-'" );
	#endif
	}
	return ParserRefImpl::validate();
	}
	};

	struct Help : Opt {
	Help( bool &showHelpFlag )
	: Opt([&]( bool flag ) {
	showHelpFlag = flag;
	return ParserResult::ok( ParseResultType::ShortCircuitAll );
	})
	{
	static_cast<Opt &>( *this )
	("display usage information")
	["-?"]["-h"]["--help"]
	.optional();
	}
	};

	struct Parser : ParserBase {

	mutable ExeName m_exeName;
	std::vector<Opt> m_options;
	std::vector<Arg> m_args;

	auto operator\|=( ExeName const &exeName ) -> Parser & {
	m_exeName = exeName;
	return *this;
	}

	auto operator\|=( Arg const &arg ) -> Parser & {
	m_args.push_back(arg);
	return *this;
	}

	auto operator\|=( Opt const &opt ) -> Parser & {
	m_options.push_back(opt);
	return *this;
	}

	auto operator\|=( Parser const &other ) -> Parser & {
	m_options.insert(m_options.end(), other.m_options.begin(), other.m_options.end());
	m_args.insert(m_args.end(), other.m_args.begin(), other.m_args.end());
	return *this;
	}

	template<typename T>
	auto operator\|( T const &other ) const -> Parser {
	return Parser( *this ) \|= other;
	}

	auto getHelpColumns() const -> std::vector<HelpColumns> {
	std::vector<HelpColumns> cols;
	for (auto const &o : m_options) {
	auto childCols = o.getHelpColumns();
	cols.insert( cols.end(), childCols.begin(), childCols.end() );
	}
	return cols;
	}

	void writeToStream( std::ostream &os ) const {
	if (!m_exeName.name().empty()) {
	os << "usage:\n" << " " << m_exeName.name() << " ";
	bool required = true, first = true;
	for( auto const &arg : m_args ) {
	if (first)
	first = false;
	else
	os << " ";
	if( arg.isOptional() && required ) {
	os << "[";
	required = false;
	}
	os << "<" << arg.hint() << ">";
	if( arg.cardinality() == 0 )
	os << " ... ";
	}
	if( !required )
	os << "]";
	if( !m_options.empty() )
	os << " options";
	os << "\n\nwhere options are:" << std::endl;
	}

	auto rows = getHelpColumns();
	size_t consoleWidth = CATCH_CLARA_CONFIG_CONSOLE_WIDTH;
	size_t optWidth = 0;
	for( auto const &cols : rows )
	optWidth = (std::max)(optWidth, cols.left.size() + 2);

	for( auto const &cols : rows ) {
	auto row =
	TextFlow::Column( cols.left ).width( optWidth ).indent( 2 ) +
	TextFlow::Spacer(4) +
	TextFlow::Column( cols.right ).width( consoleWidth - 7 - optWidth );
	os << row << std::endl;
	}
	}

	friend auto operator<<( std::ostream &os, Parser const &parser ) -> std::ostream& {
	parser.writeToStream( os );
	return os;
	}

	auto validate() const -> Result override {
	for( auto const &opt : m_options ) {
	auto result = opt.validate();
	if( !result )
	return result;
	}
	for( auto const &arg : m_args ) {
	auto result = arg.validate();
	if( !result )
	return result;
	}
	return Result::ok();
	}

	using ParserBase::parse;

	auto parse( std::string const& exeName, TokenStream const &tokens ) const -> InternalParseResult override {

	struct ParserInfo {
	ParserBase const* parser = nullptr;
	size_t count = 0;
	};
	const size_t totalParsers = m_options.size() + m_args.size();
	assert( totalParsers < 512 );
	// ParserInfo parseInfos[totalParsers]; // <-- this is what we really want to do
	ParserInfo parseInfos[512];

	{
	size_t i = 0;
	for (auto const &opt : m_options) parseInfos[i++].parser = &opt;
	for (auto const &arg : m_args) parseInfos[i++].parser = &arg;
	}

	m_exeName.set( exeName );

	auto result = InternalParseResult::ok( ParseState( ParseResultType::NoMatch, tokens ) );
	while( result.value().remainingTokens() ) {
	bool tokenParsed = false;

	for( size_t i = 0; i < totalParsers; ++i ) {
	auto& parseInfo = parseInfos[i];
	if( parseInfo.parser->cardinality() == 0 \|\| parseInfo.count < parseInfo.parser->cardinality() ) {
	result = parseInfo.parser->parse(exeName, result.value().remainingTokens());
	if (!result)
	return result;
	if (result.value().type() != ParseResultType::NoMatch) {
	tokenParsed = true;
	++parseInfo.count;
	break;
	}
	}
	}

	if( result.value().type() == ParseResultType::ShortCircuitAll )
	return result;
	if( !tokenParsed )
	return InternalParseResult::runtimeError( "Unrecognised token: " + result.value().remainingTokens()->token );
	}
	// !TBD Check missing required options
	return result;
	}
	};

	template<typename DerivedT>
	template<typename T>
	auto ComposableParserImpl<DerivedT>::operator\|( T const &other ) const -> Parser {
	return Parser() \| static_cast<DerivedT const &>( *this ) \| other;
	}
	} // namespace detail

	// A Combined parser
	using detail::Parser;

	// A parser for options
	using detail::Opt;

	// A parser for arguments
	using detail::Arg;

	// Wrapper for argc, argv from main()
	using detail::Args;

	// Specifies the name of the executable
	using detail::ExeName;

	// Convenience wrapper for option parser that specifies the help option
	using detail::Help;

	// enum of result types from a parse
	using detail::ParseResultType;

	// Result type for parser operation
	using detail::ParserResult;

	}} // namespace Catch::clara

	// end clara.hpp
	#ifdef __clang__
	#pragma clang diagnostic pop
	#endif

	// Restore Clara's value for console width, if present
	#ifdef CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH
	#define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH
	#undef CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH
	#endif

	// end catch_clara.h
	namespace Catch {

	clara::Parser makeCommandLineParser( ConfigData& config );

	} // end namespace Catch

	// end catch_commandline.h
	#include <fstream>
	#include <ctime>

	namespace Catch {

	clara::Parser makeCommandLineParser( ConfigData& config ) {

	using namespace clara;

	auto const setWarning = [&]( std::string const& warning ) {
	if( warning != "NoAssertions" )
	return ParserResult::runtimeError( "Unrecognised warning: '" + warning + "'" );
	config.warnings = static_cast<WarnAbout::What>( config.warnings \| WarnAbout::NoAssertions );
	return ParserResult::ok( ParseResultType::Matched );
	};
	auto const loadTestNamesFromFile = [&]( std::string const& filename ) {
	std::ifstream f( filename.c_str() );
	if( !f.is_open() )
	return ParserResult::runtimeError( "Unable to load input file: '" + filename + "'" );

	std::string line;
	while( std::getline( f, line ) ) {
	line = trim(line);
	if( !line.empty() && !startsWith( line, '#' ) ) {
	if( !startsWith( line, '"' ) )
	line = '"' + line + '"';
	config.testsOrTags.push_back( line + ',' );
	}
	}
	return ParserResult::ok( ParseResultType::Matched );
	};
	auto const setTestOrder = [&]( std::string const& order ) {
	if( startsWith( "declared", order ) )
	config.runOrder = RunTests::InDeclarationOrder;
	else if( startsWith( "lexical", order ) )
	config.runOrder = RunTests::InLexicographicalOrder;
	else if( startsWith( "random", order ) )
	config.runOrder = RunTests::InRandomOrder;
	else
	return clara::ParserResult::runtimeError( "Unrecognised ordering: '" + order + "'" );
	return ParserResult::ok( ParseResultType::Matched );
	};
	auto const setRngSeed = [&]( std::string const& seed ) {
	if( seed != "time" )
	return clara::detail::convertInto( seed, config.rngSeed );
	config.rngSeed = static_cast<unsigned int>( std::time(nullptr) );
	return ParserResult::ok( ParseResultType::Matched );
	};
	auto const setColourUsage = [&]( std::string const& useColour ) {
	auto mode = toLower( useColour );

	if( mode == "yes" )
	config.useColour = UseColour::Yes;
	else if( mode == "no" )
	config.useColour = UseColour::No;
	else if( mode == "auto" )
	config.useColour = UseColour::Auto;
	else
	return ParserResult::runtimeError( "colour mode must be one of: auto, yes or no. '" + useColour + "' not recognised" );
	return ParserResult::ok( ParseResultType::Matched );
	};
	auto const setWaitForKeypress = [&]( std::string const& keypress ) {
	auto keypressLc = toLower( keypress );
	if( keypressLc == "start" )
	config.waitForKeypress = WaitForKeypress::BeforeStart;
	else if( keypressLc == "exit" )
	config.waitForKeypress = WaitForKeypress::BeforeExit;
	else if( keypressLc == "both" )
	config.waitForKeypress = WaitForKeypress::BeforeStartAndExit;
	else
	return ParserResult::runtimeError( "keypress argument must be one of: start, exit or both. '" + keypress + "' not recognised" );
	return ParserResult::ok( ParseResultType::Matched );
	};
	auto const setVerbosity = [&]( std::string const& verbosity ) {
	auto lcVerbosity = toLower( verbosity );
	if( lcVerbosity == "quiet" )
	config.verbosity = Verbosity::Quiet;
	else if( lcVerbosity == "normal" )
	config.verbosity = Verbosity::Normal;
	else if( lcVerbosity == "high" )
	config.verbosity = Verbosity::High;
	else
	return ParserResult::runtimeError( "Unrecognised verbosity, '" + verbosity + "'" );
	return ParserResult::ok( ParseResultType::Matched );
	};

	auto cli
	= ExeName( config.processName )
	\| Help( config.showHelp )
	\| Opt( config.listTests )
	["-l"]["--list-tests"]
	( "list all/matching test cases" )
	\| Opt( config.listTags )
	["-t"]["--list-tags"]
	( "list all/matching tags" )
	\| Opt( config.showSuccessfulTests )
	["-s"]["--success"]
	( "include successful tests in output" )
	\| Opt( config.shouldDebugBreak )
	["-b"]["--break"]
	( "break into debugger on failure" )
	\| Opt( config.noThrow )
	["-e"]["--nothrow"]
	( "skip exception tests" )
	\| Opt( config.showInvisibles )
	["-i"]["--invisibles"]
	( "show invisibles (tabs, newlines)" )
	\| Opt( config.outputFilename, "filename" )
	["-o"]["--out"]
	( "output filename" )
	\| Opt( config.reporterNames, "name" )
	["-r"]["--reporter"]
	( "reporter to use (defaults to console)" )
	\| Opt( config.name, "name" )
	["-n"]["--name"]
	( "suite name" )
	\| Opt( [&]( bool ){ config.abortAfter = 1; } )
	["-a"]["--abort"]
	( "abort at first failure" )
	\| Opt( [&]( int x ){ config.abortAfter = x; }, "no. failures" )
	["-x"]["--abortx"]
	( "abort after x failures" )
	\| Opt( setWarning, "warning name" )
	["-w"]["--warn"]
	( "enable warnings" )
	\| Opt( [&]( bool flag ) { config.showDurations = flag ? ShowDurations::Always : ShowDurations::Never; }, "yes\|no" )
	["-d"]["--durations"]
	( "show test durations" )
	\| Opt( loadTestNamesFromFile, "filename" )
	["-f"]["--input-file"]
	( "load test names to run from a file" )
	\| Opt( config.filenamesAsTags )
	["-#"]["--filenames-as-tags"]
	( "adds a tag for the filename" )
	\| Opt( config.sectionsToRun, "section name" )
	["-c"]["--section"]
	( "specify section to run" )
	\| Opt( setVerbosity, "quiet\|normal\|high" )
	["-v"]["--verbosity"]
	( "set output verbosity" )
	\| Opt( config.listTestNamesOnly )
	["--list-test-names-only"]
	( "list all/matching test cases names only" )
	\| Opt( config.listReporters )
	["--list-reporters"]
	( "list all reporters" )
	\| Opt( setTestOrder, "decl\|lex\|rand" )
	["--order"]
	( "test case order (defaults to decl)" )
	\| Opt( setRngSeed, "'time'\|number" )
	["--rng-seed"]
	( "set a specific seed for random numbers" )
	\| Opt( setColourUsage, "yes\|no" )
	["--use-colour"]
	( "should output be colourised" )
	\| Opt( config.libIdentify )
	["--libidentify"]
	( "report name and version according to libidentify standard" )
	\| Opt( setWaitForKeypress, "start\|exit\|both" )
	["--wait-for-keypress"]
	( "waits for a keypress before exiting" )
	\| Opt( config.benchmarkResolutionMultiple, "multiplier" )
	["--benchmark-resolution-multiple"]
	( "multiple of clock resolution to run benchmarks" )

	\| Arg( config.testsOrTags, "test name\|pattern\|tags" )
	( "which test or tests to use" );

	return cli;
	}

	} // end namespace Catch
	// end catch_commandline.cpp
	// start catch_common.cpp

	#include <cstring>
	#include <ostream>

	namespace Catch {

	SourceLineInfo::SourceLineInfo( char const* _file, std::size_t _line ) noexcept
	: file( _file ),
	line( _line )
	{}
	bool SourceLineInfo::empty() const noexcept {
	return file[0] == '\0';
	}
	bool SourceLineInfo::operator == ( SourceLineInfo const& other ) const noexcept {
	return line == other.line && (file == other.file \|\| std::strcmp(file, other.file) == 0);
	}
	bool SourceLineInfo::operator < ( SourceLineInfo const& other ) const noexcept {
	return line < other.line \|\| ( line == other.line && (std::strcmp(file, other.file) < 0));
	}

	std::ostream& operator << ( std::ostream& os, SourceLineInfo const& info ) {
	#ifndef __GNUG__
	os << info.file << '(' << info.line << ')';
	#else
	os << info.file << ':' << info.line;
	#endif
	return os;
	}

	bool isTrue( bool value ){ return value; }
	bool alwaysTrue() { return true; }
	bool alwaysFalse() { return false; }

	std::string StreamEndStop::operator+() const {
	return std::string();
	}

	NonCopyable::NonCopyable() = default;
	NonCopyable::~NonCopyable() = default;

	}
	// end catch_common.cpp
	// start catch_config.cpp

	namespace Catch {

	Config::Config( ConfigData const& data )
	: m_data( data ),
	m_stream( openStream() )
	{
	if( !data.testsOrTags.empty() ) {
	TestSpecParser parser( ITagAliasRegistry::get() );
	for( auto const& testOrTags : data.testsOrTags )
	parser.parse( testOrTags );
	m_testSpec = parser.testSpec();
	}
	}

	std::string const& Config::getFilename() const {
	return m_data.outputFilename ;
	}

	bool Config::listTests() const { return m_data.listTests; }
	bool Config::listTestNamesOnly() const { return m_data.listTestNamesOnly; }
	bool Config::listTags() const { return m_data.listTags; }
	bool Config::listReporters() const { return m_data.listReporters; }

	std::string Config::getProcessName() const { return m_data.processName; }

	std::vector<std::string> const& Config::getReporterNames() const { return m_data.reporterNames; }
	std::vector<std::string> const& Config::getSectionsToRun() const { return m_data.sectionsToRun; }

	TestSpec const& Config::testSpec() const { return m_testSpec; }

	bool Config::showHelp() const { return m_data.showHelp; }

	// IConfig interface
	bool Config::allowThrows() const { return !m_data.noThrow; }
	std::ostream& Config::stream() const { return m_stream->stream(); }
	std::string Config::name() const { return m_data.name.empty() ? m_data.processName : m_data.name; }
	bool Config::includeSuccessfulResults() const { return m_data.showSuccessfulTests; }
	bool Config::warnAboutMissingAssertions() const { return m_data.warnings & WarnAbout::NoAssertions; }
	ShowDurations::OrNot Config::showDurations() const { return m_data.showDurations; }
	RunTests::InWhatOrder Config::runOrder() const { return m_data.runOrder; }
	unsigned int Config::rngSeed() const { return m_data.rngSeed; }
	int Config::benchmarkResolutionMultiple() const { return m_data.benchmarkResolutionMultiple; }
	UseColour::YesOrNo Config::useColour() const { return m_data.useColour; }
	bool Config::shouldDebugBreak() const { return m_data.shouldDebugBreak; }
	int Config::abortAfter() const { return m_data.abortAfter; }
	bool Config::showInvisibles() const { return m_data.showInvisibles; }
	Verbosity Config::verbosity() const { return m_data.verbosity; }

	IStream const* Config::openStream() {
	if( m_data.outputFilename.empty() )
	return new CoutStream();
	else if( m_data.outputFilename[0] == '%' ) {
	if( m_data.outputFilename == "%debug" )
	return new DebugOutStream();
	else
	CATCH_ERROR( "Unrecognised stream: '" << m_data.outputFilename << "'" );
	}
	else
	return new FileStream( m_data.outputFilename );
	}

	} // end namespace Catch
	// end catch_config.cpp
	// start catch_console_colour.cpp

	#if defined(__clang__)
	# pragma clang diagnostic push
	# pragma clang diagnostic ignored "-Wexit-time-destructors"
	#endif

	// start catch_errno_guard.h

	namespace Catch {

	class ErrnoGuard {
	public:
	ErrnoGuard();
	~ErrnoGuard();
	private:
	int m_oldErrno;
	};

	}

	// end catch_errno_guard.h
	// start catch_windows_h_proxy.h


	#if defined(CATCH_PLATFORM_WINDOWS)

	#if !defined(NOMINMAX) && !defined(CATCH_CONFIG_NO_NOMINMAX)
	# define CATCH_DEFINED_NOMINMAX
	# define NOMINMAX
	#endif
	#if !defined(WIN32_LEAN_AND_MEAN) && !defined(CATCH_CONFIG_NO_WIN32_LEAN_AND_MEAN)
	# define CATCH_DEFINED_WIN32_LEAN_AND_MEAN
	# define WIN32_LEAN_AND_MEAN
	#endif

	#ifdef __AFXDLL
	#include <AfxWin.h>
	#else
	#include <windows.h>
	#endif

	#ifdef CATCH_DEFINED_NOMINMAX
	# undef NOMINMAX
	#endif
	#ifdef CATCH_DEFINED_WIN32_LEAN_AND_MEAN
	# undef WIN32_LEAN_AND_MEAN
	#endif

	#endif // defined(CATCH_PLATFORM_WINDOWS)

	// end catch_windows_h_proxy.h
	namespace Catch {
	namespace {

	struct IColourImpl {
	virtual ~IColourImpl() = default;
	virtual void use( Colour::Code _colourCode ) = 0;
	};

	struct NoColourImpl : IColourImpl {
	void use( Colour::Code ) {}

	static IColourImpl* instance() {
	static NoColourImpl s_instance;
	return &s_instance;
	}
	};

	} // anon namespace
	} // namespace Catch

	#if !defined( CATCH_CONFIG_COLOUR_NONE ) && !defined( CATCH_CONFIG_COLOUR_WINDOWS ) && !defined( CATCH_CONFIG_COLOUR_ANSI )
	# ifdef CATCH_PLATFORM_WINDOWS
	# define CATCH_CONFIG_COLOUR_WINDOWS
	# else
	# define CATCH_CONFIG_COLOUR_ANSI
	# endif
	#endif

	#if defined ( CATCH_CONFIG_COLOUR_WINDOWS ) /////////////////////////////////////////

	namespace Catch {
	namespace {

	class Win32ColourImpl : public IColourImpl {
	public:
	Win32ColourImpl() : stdoutHandle( GetStdHandle(STD_OUTPUT_HANDLE) )
	{
	CONSOLE_SCREEN_BUFFER_INFO csbiInfo;
	GetConsoleScreenBufferInfo( stdoutHandle, &csbiInfo );
	originalForegroundAttributes = csbiInfo.wAttributes & ~( BACKGROUND_GREEN \| BACKGROUND_RED \| BACKGROUND_BLUE \| BACKGROUND_INTENSITY );
	originalBackgroundAttributes = csbiInfo.wAttributes & ~( FOREGROUND_GREEN \| FOREGROUND_RED \| FOREGROUND_BLUE \| FOREGROUND_INTENSITY );
	}

	virtual void use( Colour::Code _colourCode ) override {
	switch( _colourCode ) {
	case Colour::None: return setTextAttribute( originalForegroundAttributes );
	case Colour::White: return setTextAttribute( FOREGROUND_GREEN \| FOREGROUND_RED \| FOREGROUND_BLUE );
	case Colour::Red: return setTextAttribute( FOREGROUND_RED );
	case Colour::Green: return setTextAttribute( FOREGROUND_GREEN );
	case Colour::Blue: return setTextAttribute( FOREGROUND_BLUE );
	case Colour::Cyan: return setTextAttribute( FOREGROUND_BLUE \| FOREGROUND_GREEN );
	case Colour::Yellow: return setTextAttribute( FOREGROUND_RED \| FOREGROUND_GREEN );
	case Colour::Grey: return setTextAttribute( 0 );

	case Colour::LightGrey: return setTextAttribute( FOREGROUND_INTENSITY );
	case Colour::BrightRed: return setTextAttribute( FOREGROUND_INTENSITY \| FOREGROUND_RED );
	case Colour::BrightGreen: return setTextAttribute( FOREGROUND_INTENSITY \| FOREGROUND_GREEN );
	case Colour::BrightWhite: return setTextAttribute( FOREGROUND_INTENSITY \| FOREGROUND_GREEN \| FOREGROUND_RED \| FOREGROUND_BLUE );

	case Colour::Bright: CATCH_INTERNAL_ERROR( "not a colour" );
	}
	}

	private:
	void setTextAttribute( WORD _textAttribute ) {
	SetConsoleTextAttribute( stdoutHandle, _textAttribute \| originalBackgroundAttributes );
	}
	HANDLE stdoutHandle;
	WORD originalForegroundAttributes;
	WORD originalBackgroundAttributes;
	};

	IColourImpl* platformColourInstance() {
	static Win32ColourImpl s_instance;

	IConfigPtr config = getCurrentContext().getConfig();
	UseColour::YesOrNo colourMode = config
	? config->useColour()
	: UseColour::Auto;
	if( colourMode == UseColour::Auto )
	colourMode = UseColour::Yes;
	return colourMode == UseColour::Yes
	? &s_instance
	: NoColourImpl::instance();
	}

	} // end anon namespace
	} // end namespace Catch

	#elif defined( CATCH_CONFIG_COLOUR_ANSI ) //////////////////////////////////////

	#include <unistd.h>

	namespace Catch {
	namespace {

	// use POSIX/ ANSI console terminal codes
	// Thanks to Adam Strzelecki for original contribution
	// (http://github.com/nanoant)
	// https://github.com/philsquared/Catch/pull/131
	class PosixColourImpl : public IColourImpl {
	public:
	virtual void use( Colour::Code _colourCode ) override {
	switch( _colourCode ) {
	case Colour::None:
	case Colour::White: return setColour( "[0m" );
	case Colour::Red: return setColour( "[0;31m" );
	case Colour::Green: return setColour( "[0;32m" );
	case Colour::Blue: return setColour( "[0;34m" );
	case Colour::Cyan: return setColour( "[0;36m" );
	case Colour::Yellow: return setColour( "[0;33m" );
	case Colour::Grey: return setColour( "[1;30m" );

	case Colour::LightGrey: return setColour( "[0;37m" );
	case Colour::BrightRed: return setColour( "[1;31m" );
	case Colour::BrightGreen: return setColour( "[1;32m" );
	case Colour::BrightWhite: return setColour( "[1;37m" );

	case Colour::Bright: CATCH_INTERNAL_ERROR( "not a colour" );
	}
	}
	static IColourImpl* instance() {
	static PosixColourImpl s_instance;
	return &s_instance;
	}

	private:
	void setColour( const char* _escapeCode ) {
	Catch::cout() << '\033' << _escapeCode;
	}
	};

	bool useColourOnPlatform() {
	return
	#ifdef CATCH_PLATFORM_MAC
	!isDebuggerActive() &&
	#endif
	isatty(STDOUT_FILENO);
	}
	IColourImpl* platformColourInstance() {
	ErrnoGuard guard;
	IConfigPtr config = getCurrentContext().getConfig();
	UseColour::YesOrNo colourMode = config
	? config->useColour()
	: UseColour::Auto;
	if( colourMode == UseColour::Auto )
	colourMode = useColourOnPlatform()
	? UseColour::Yes
	: UseColour::No;
	return colourMode == UseColour::Yes
	? PosixColourImpl::instance()
	: NoColourImpl::instance();
	}

	} // end anon namespace
	} // end namespace Catch

	#else // not Windows or ANSI ///////////////////////////////////////////////

	namespace Catch {

	static IColourImpl* platformColourInstance() { return NoColourImpl::instance(); }

	} // end namespace Catch

	#endif // Windows/ ANSI/ None

	namespace Catch {

	Colour::Colour( Code _colourCode ) { use( _colourCode ); }
	Colour::Colour( Colour&& rhs ) noexcept {
	m_moved = rhs.m_moved;
	rhs.m_moved = true;
	}
	Colour& Colour::operator=( Colour&& rhs ) noexcept {
	m_moved = rhs.m_moved;
	rhs.m_moved = true;
	return *this;
	}

	Colour::~Colour(){ if( !m_moved ) use( None ); }

	void Colour::use( Code _colourCode ) {
	static IColourImpl* impl = platformColourInstance();
	impl->use( _colourCode );
	}

	std::ostream& operator << ( std::ostream& os, Colour const& ) {
	return os;
	}

	} // end namespace Catch

	#if defined(__clang__)
	# pragma clang diagnostic pop
	#endif

	// end catch_console_colour.cpp
	// start catch_context.cpp

	namespace Catch {

	class Context : public IMutableContext, NonCopyable {

	public: // IContext
	virtual IResultCapture* getResultCapture() override {
	return m_resultCapture;
	}
	virtual IRunner* getRunner() override {
	return m_runner;
	}

	virtual IConfigPtr getConfig() const override {
	return m_config;
	}

	virtual ~Context() override;

	public: // IMutableContext
	virtual void setResultCapture( IResultCapture* resultCapture ) override {
	m_resultCapture = resultCapture;
	}
	virtual void setRunner( IRunner* runner ) override {
	m_runner = runner;
	}
	virtual void setConfig( IConfigPtr const& config ) override {
	m_config = config;
	}

	friend IMutableContext& getCurrentMutableContext();

	private:
	IConfigPtr m_config;
	IRunner* m_runner = nullptr;
	IResultCapture* m_resultCapture = nullptr;
	};

	namespace {
	Context* currentContext = nullptr;
	}
	IMutableContext& getCurrentMutableContext() {
	if( !currentContext )
	currentContext = new Context();
	return *currentContext;
	}
	IContext& getCurrentContext() {
	return getCurrentMutableContext();
	}

	void cleanUpContext() {
	delete currentContext;
	currentContext = nullptr;
	}
	IContext::~IContext() = default;
	IMutableContext::~IMutableContext() = default;
	Context::~Context() = default;
	}
	// end catch_context.cpp
	// start catch_debug_console.cpp

	// start catch_debug_console.h

	#include <string>

	namespace Catch {
	void writeToDebugConsole( std::string const& text );
	}

	// end catch_debug_console.h
	#ifdef CATCH_PLATFORM_WINDOWS

	namespace Catch {
	void writeToDebugConsole( std::string const& text ) {
	::OutputDebugStringA( text.c_str() );
	}
	}
	#else
	namespace Catch {
	void writeToDebugConsole( std::string const& text ) {
	// !TBD: Need a version for Mac/ XCode and other IDEs
	Catch::cout() << text;
	}
	}
	#endif // Platform
	// end catch_debug_console.cpp
	// start catch_debugger.cpp

	#ifdef CATCH_PLATFORM_MAC

	#include <assert.h>
	#include <stdbool.h>
	#include <sys/types.h>
	#include <unistd.h>
	#include <sys/sysctl.h>

	namespace Catch {

	// The following function is taken directly from the following technical note:
	// http://developer.apple.com/library/mac/#qa/qa2004/qa1361.html

	// Returns true if the current process is being debugged (either
	// running under the debugger or has a debugger attached post facto).
	bool isDebuggerActive(){

	int mib[4];
	struct kinfo_proc info;
	std::size_t size;

	// Initialize the flags so that, if sysctl fails for some bizarre
	// reason, we get a predictable result.

	info.kp_proc.p_flag = 0;

	// Initialize mib, which tells sysctl the info we want, in this case
	// we're looking for information about a specific process ID.

	mib[0] = CTL_KERN;
	mib[1] = KERN_PROC;
	mib[2] = KERN_PROC_PID;
	mib[3] = getpid();

	// Call sysctl.

	size = sizeof(info);
	if( sysctl(mib, sizeof(mib) / sizeof(*mib), &info, &size, nullptr, 0) != 0 ) {
	Catch::cerr() << "\n Call to sysctl failed - unable to determine if debugger is active \n" << std::endl;
	return false;
	}

	// We're being debugged if the P_TRACED flag is set.

	return ( (info.kp_proc.p_flag & P_TRACED) != 0 );
	}
	} // namespace Catch

	#elif defined(CATCH_PLATFORM_LINUX)
	#include <fstream>
	#include <string>

	namespace Catch{
	// The standard POSIX way of detecting a debugger is to attempt to
	// ptrace() the process, but this needs to be done from a child and not
	// this process itself to still allow attaching to this process later
	// if wanted, so is rather heavy. Under Linux we have the PID of the
	// "debugger" (which doesn't need to be gdb, of course, it could also
	// be strace, for example) in /proc/$PID/status, so just get it from
	// there instead.
	bool isDebuggerActive(){
	// Libstdc++ has a bug, where std::ifstream sets errno to 0
	// This way our users can properly assert over errno values
	ErrnoGuard guard;
	std::ifstream in("/proc/self/status");
	for( std::string line; std::getline(in, line); ) {
	static const int PREFIX_LEN = 11;
	if( line.compare(0, PREFIX_LEN, "TracerPid:\t") == 0 ) {
	// We're traced if the PID is not 0 and no other PID starts
	// with 0 digit, so it's enough to check for just a single
	// character.
	return line.length() > PREFIX_LEN && line[PREFIX_LEN] != '0';
	}
	}

	return false;
	}
	} // namespace Catch
	#elif defined(_MSC_VER)
	extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent();
	namespace Catch {
	bool isDebuggerActive() {
	return IsDebuggerPresent() != 0;
	}
	}
	#elif defined(__MINGW32__)
	extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent();
	namespace Catch {
	bool isDebuggerActive() {
	return IsDebuggerPresent() != 0;
	}
	}
	#else
	namespace Catch {
	bool isDebuggerActive() { return false; }
	}
	#endif // Platform
	// end catch_debugger.cpp
	// start catch_decomposer.cpp

	namespace Catch {

	ITransientExpression::~ITransientExpression() = default;

	void formatReconstructedExpression( std::ostream &os, std::string const& lhs, StringRef op, std::string const& rhs ) {
	if( lhs.size() + rhs.size() < 40 &&
	lhs.find('\n') == std::string::npos &&
	rhs.find('\n') == std::string::npos )
	os << lhs << " " << op << " " << rhs;
	else
	os << lhs << "\n" << op << "\n" << rhs;
	}
	}
	// end catch_decomposer.cpp
	// start catch_errno_guard.cpp

	#include <cerrno>

	namespace Catch {
	ErrnoGuard::ErrnoGuard():m_oldErrno(errno){}
	ErrnoGuard::~ErrnoGuard() { errno = m_oldErrno; }
	}
	// end catch_errno_guard.cpp
	// start catch_exception_translator_registry.cpp

	// start catch_exception_translator_registry.h

	#include <vector>
	#include <string>
	#include <memory>

	namespace Catch {

	class ExceptionTranslatorRegistry : public IExceptionTranslatorRegistry {
	public:
	~ExceptionTranslatorRegistry();
	virtual void registerTranslator( const IExceptionTranslator* translator );
	virtual std::string translateActiveException() const override;
	std::string tryTranslators() const;

	private:
	std::vector<std::unique_ptr<IExceptionTranslator const>> m_translators;
	};
	}

	// end catch_exception_translator_registry.h
	#ifdef __OBJC__
	#import "Foundation/Foundation.h"
	#endif

	namespace Catch {

	ExceptionTranslatorRegistry::~ExceptionTranslatorRegistry() {
	}

	void ExceptionTranslatorRegistry::registerTranslator( const IExceptionTranslator* translator ) {
	m_translators.push_back( std::unique_ptr<const IExceptionTranslator>( translator ) );
	}

	std::string ExceptionTranslatorRegistry::translateActiveException() const {
	try {
	#ifdef __OBJC__
	// In Objective-C try objective-c exceptions first
	@try {
	return tryTranslators();
	}
	@catch (NSException *exception) {
	return Catch::Detail::stringify( [exception description] );
	}
	#else
	return tryTranslators();
	#endif
	}
	catch( TestFailureException& ) {
	std::rethrow_exception(std::current_exception());
	}
	catch( std::exception& ex ) {
	return ex.what();
	}
	catch( std::string& msg ) {
	return msg;
	}
	catch( const char* msg ) {
	return msg;
	}
	catch(...) {
	return "Unknown exception";
	}
	}

	std::string ExceptionTranslatorRegistry::tryTranslators() const {
	if( m_translators.empty() )
	std::rethrow_exception(std::current_exception());
	else
	return m_translators[0]->translate( m_translators.begin()+1, m_translators.end() );
	}
	}
	// end catch_exception_translator_registry.cpp
	// start catch_fatal_condition.cpp

	// start catch_fatal_condition.h

	#include <string>

	#if defined ( CATCH_PLATFORM_WINDOWS ) /////////////////////////////////////////

	# if !defined ( CATCH_CONFIG_WINDOWS_SEH )

	namespace Catch {
	struct FatalConditionHandler {
	void reset();
	};
	}

	# else // CATCH_CONFIG_WINDOWS_SEH is defined

	namespace Catch {

	struct FatalConditionHandler {

	static LONG CALLBACK handleVectoredException(PEXCEPTION_POINTERS ExceptionInfo);
	FatalConditionHandler();
	static void reset();
	~FatalConditionHandler();

	private:
	static bool isSet;
	static ULONG guaranteeSize;
	static PVOID exceptionHandlerHandle;
	};

	} // namespace Catch

	# endif // CATCH_CONFIG_WINDOWS_SEH

	#else // Not Windows - assumed to be POSIX compatible //////////////////////////

	# if !defined(CATCH_CONFIG_POSIX_SIGNALS)

	namespace Catch {
	struct FatalConditionHandler {
	void reset();
	};
	}

	# else // CATCH_CONFIG_POSIX_SIGNALS is defined

	#include <signal.h>

	namespace Catch {

	struct FatalConditionHandler {

	static bool isSet;
	static struct sigaction oldSigActions[];// [sizeof(signalDefs) / sizeof(SignalDefs)];
	static stack_t oldSigStack;
	static char altStackMem[];

	static void handleSignal( int sig );

	FatalConditionHandler();
	~FatalConditionHandler();
	static void reset();
	};

	} // namespace Catch

	# endif // CATCH_CONFIG_POSIX_SIGNALS

	#endif // not Windows

	// end catch_fatal_condition.h
	namespace {
	// Report the error condition
	void reportFatal( char const * const message ) {
	Catch::getCurrentContext().getResultCapture()->handleFatalErrorCondition( message );
	}
	}

	#if defined ( CATCH_PLATFORM_WINDOWS ) /////////////////////////////////////////

	# if !defined ( CATCH_CONFIG_WINDOWS_SEH )

	namespace Catch {
	void FatalConditionHandler::reset() {}
	}

	# else // CATCH_CONFIG_WINDOWS_SEH is defined

	namespace Catch {
	struct SignalDefs { DWORD id; const char* name; };

	// There is no 1-1 mapping between signals and windows exceptions.
	// Windows can easily distinguish between SO and SigSegV,
	// but SigInt, SigTerm, etc are handled differently.
	static SignalDefs signalDefs[] = {
	{ EXCEPTION_ILLEGAL_INSTRUCTION, "SIGILL - Illegal instruction signal" },
	{ EXCEPTION_STACK_OVERFLOW, "SIGSEGV - Stack overflow" },
	{ EXCEPTION_ACCESS_VIOLATION, "SIGSEGV - Segmentation violation signal" },
	{ EXCEPTION_INT_DIVIDE_BY_ZERO, "Divide by zero error" },
	};

	LONG CALLBACK FatalConditionHandler::handleVectoredException(PEXCEPTION_POINTERS ExceptionInfo) {
	for (auto const& def : signalDefs) {
	if (ExceptionInfo->ExceptionRecord->ExceptionCode == def.id) {
	reportFatal(def.name);
	}
	}
	// If its not an exception we care about, pass it along.
	// This stops us from eating debugger breaks etc.
	return EXCEPTION_CONTINUE_SEARCH;
	}

	FatalConditionHandler::FatalConditionHandler() {
	isSet = true;
	// 32k seems enough for Catch to handle stack overflow,
	// but the value was found experimentally, so there is no strong guarantee
	guaranteeSize = 32 * 1024;
	exceptionHandlerHandle = nullptr;
	// Register as first handler in current chain
	exceptionHandlerHandle = AddVectoredExceptionHandler(1, handleVectoredException);
	// Pass in guarantee size to be filled
	SetThreadStackGuarantee(&guaranteeSize);
	}

	void FatalConditionHandler::reset() {
	if (isSet) {
	// Unregister handler and restore the old guarantee
	RemoveVectoredExceptionHandler(exceptionHandlerHandle);
	SetThreadStackGuarantee(&guaranteeSize);
	exceptionHandlerHandle = nullptr;
	isSet = false;
	}
	}

	FatalConditionHandler::~FatalConditionHandler() {
	reset();
	}

	bool FatalConditionHandler::isSet = false;
	ULONG FatalConditionHandler::guaranteeSize = 0;
	PVOID FatalConditionHandler::exceptionHandlerHandle = nullptr;

	} // namespace Catch

	# endif // CATCH_CONFIG_WINDOWS_SEH

	#else // Not Windows - assumed to be POSIX compatible //////////////////////////

	# if !defined(CATCH_CONFIG_POSIX_SIGNALS)

	namespace Catch {
	void FatalConditionHandler::reset() {}
	}

	# else // CATCH_CONFIG_POSIX_SIGNALS is defined

	#include <signal.h>

	namespace Catch {

	struct SignalDefs {
	int id;
	const char* name;
	};
	static SignalDefs signalDefs[] = {
	{ SIGINT, "SIGINT - Terminal interrupt signal" },
	{ SIGILL, "SIGILL - Illegal instruction signal" },
	{ SIGFPE, "SIGFPE - Floating point error signal" },
	{ SIGSEGV, "SIGSEGV - Segmentation violation signal" },
	{ SIGTERM, "SIGTERM - Termination request signal" },
	{ SIGABRT, "SIGABRT - Abort (abnormal termination) signal" }
	};

	void FatalConditionHandler::handleSignal( int sig ) {
	char const * name = "<unknown signal>";
	for (auto const& def : signalDefs) {
	if (sig == def.id) {
	name = def.name;
	break;
	}
	}
	reset();
	reportFatal(name);
	raise( sig );
	}

	FatalConditionHandler::FatalConditionHandler() {
	isSet = true;
	stack_t sigStack;
	sigStack.ss_sp = altStackMem;
	sigStack.ss_size = SIGSTKSZ;
	sigStack.ss_flags = 0;
	sigaltstack(&sigStack, &oldSigStack);
	struct sigaction sa = { };

	sa.sa_handler = handleSignal;
	sa.sa_flags = SA_ONSTACK;
	for (std::size_t i = 0; i < sizeof(signalDefs)/sizeof(SignalDefs); ++i) {
	sigaction(signalDefs[i].id, &sa, &oldSigActions[i]);
	}
	}

	FatalConditionHandler::~FatalConditionHandler() {
	reset();
	}

	void FatalConditionHandler::reset() {
	if( isSet ) {
	// Set signals back to previous values -- hopefully nobody overwrote them in the meantime
	for( std::size_t i = 0; i < sizeof(signalDefs)/sizeof(SignalDefs); ++i ) {
	sigaction(signalDefs[i].id, &oldSigActions[i], nullptr);
	}
	// Return the old stack
	sigaltstack(&oldSigStack, nullptr);
	isSet = false;
	}
	}

	bool FatalConditionHandler::isSet = false;
	struct sigaction FatalConditionHandler::oldSigActions[sizeof(signalDefs)/sizeof(SignalDefs)] = {};
	stack_t FatalConditionHandler::oldSigStack = {};
	char FatalConditionHandler::altStackMem[SIGSTKSZ] = {};

	} // namespace Catch

	# endif // CATCH_CONFIG_POSIX_SIGNALS

	#endif // not Windows
	// end catch_fatal_condition.cpp
	// start catch_interfaces_capture.cpp

	namespace Catch {
	IResultCapture::~IResultCapture() = default;
	}
	// end catch_interfaces_capture.cpp
	// start catch_interfaces_config.cpp

	namespace Catch {
	IConfig::~IConfig() = default;
	}
	// end catch_interfaces_config.cpp
	// start catch_interfaces_exception.cpp

	namespace Catch {
	IExceptionTranslator::~IExceptionTranslator() = default;
	IExceptionTranslatorRegistry::~IExceptionTranslatorRegistry() = default;
	}
	// end catch_interfaces_exception.cpp
	// start catch_interfaces_registry_hub.cpp

	namespace Catch {
	IRegistryHub::~IRegistryHub() = default;
	IMutableRegistryHub::~IMutableRegistryHub() = default;
	}
	// end catch_interfaces_registry_hub.cpp
	// start catch_interfaces_reporter.cpp

	// start catch_reporter_multi.h

	namespace Catch {

	class MultipleReporters : public IStreamingReporter {
	using Reporters = std::vector<IStreamingReporterPtr>;
	Reporters m_reporters;

	public:
	void add( IStreamingReporterPtr&& reporter );

	public: // IStreamingReporter

	ReporterPreferences getPreferences() const override;

	void noMatchingTestCases( std::string const& spec ) override;

	static std::set<Verbosity> getSupportedVerbosities();

	void benchmarkStarting( BenchmarkInfo const& benchmarkInfo ) override;
	void benchmarkEnded( BenchmarkStats const& benchmarkStats ) override;

	void testRunStarting( TestRunInfo const& testRunInfo ) override;
	void testGroupStarting( GroupInfo const& groupInfo ) override;
	void testCaseStarting( TestCaseInfo const& testInfo ) override;
	void sectionStarting( SectionInfo const& sectionInfo ) override;
	void assertionStarting( AssertionInfo const& assertionInfo ) override;

	// The return value indicates if the messages buffer should be cleared:
	bool assertionEnded( AssertionStats const& assertionStats ) override;
	void sectionEnded( SectionStats const& sectionStats ) override;
	void testCaseEnded( TestCaseStats const& testCaseStats ) override;
	void testGroupEnded( TestGroupStats const& testGroupStats ) override;
	void testRunEnded( TestRunStats const& testRunStats ) override;

	void skipTest( TestCaseInfo const& testInfo ) override;
	bool isMulti() const override;

	};

	} // end namespace Catch

	// end catch_reporter_multi.h
	namespace Catch {

	ReporterConfig::ReporterConfig( IConfigPtr const& _fullConfig )
	: m_stream( &_fullConfig->stream() ), m_fullConfig( _fullConfig ) {}

	ReporterConfig::ReporterConfig( IConfigPtr const& _fullConfig, std::ostream& _stream )
	: m_stream( &_stream ), m_fullConfig( _fullConfig ) {}

	std::ostream& ReporterConfig::stream() const { return *m_stream; }
	IConfigPtr ReporterConfig::fullConfig() const { return m_fullConfig; }

	TestRunInfo::TestRunInfo( std::string const& _name ) : name( _name ) {}

	GroupInfo::GroupInfo( std::string const& _name,
	std::size_t _groupIndex,
	std::size_t _groupsCount )
	: name( _name ),
	groupIndex( _groupIndex ),
	groupsCounts( _groupsCount )
	{}

	AssertionStats::AssertionStats( AssertionResult const& _assertionResult,
	std::vector<MessageInfo> const& _infoMessages,
	Totals const& _totals )
	: assertionResult( _assertionResult ),
	infoMessages( _infoMessages ),
	totals( _totals )
	{
	assertionResult.m_resultData.lazyExpression.m_transientExpression = _assertionResult.m_resultData.lazyExpression.m_transientExpression;

	if( assertionResult.hasMessage() ) {
	// Copy message into messages list.
	// !TBD This should have been done earlier, somewhere
	MessageBuilder builder( assertionResult.getTestMacroName(), assertionResult.getSourceInfo(), assertionResult.getResultType() );
	builder << assertionResult.getMessage();
	builder.m_info.message = builder.m_stream.str();

	infoMessages.push_back( builder.m_info );
	}
	}

	AssertionStats::~AssertionStats() = default;

	SectionStats::SectionStats( SectionInfo const& _sectionInfo,
	Counts const& _assertions,
	double _durationInSeconds,
	bool _missingAssertions )
	: sectionInfo( _sectionInfo ),
	assertions( _assertions ),
	durationInSeconds( _durationInSeconds ),
	missingAssertions( _missingAssertions )
	{}

	SectionStats::~SectionStats() = default;

	TestCaseStats::TestCaseStats( TestCaseInfo const& _testInfo,
	Totals const& _totals,
	std::string const& _stdOut,
	std::string const& _stdErr,
	bool _aborting )
	: testInfo( _testInfo ),
	totals( _totals ),
	stdOut( _stdOut ),
	stdErr( _stdErr ),
	aborting( _aborting )
	{}

	TestCaseStats::~TestCaseStats() = default;

	TestGroupStats::TestGroupStats( GroupInfo const& _groupInfo,
	Totals const& _totals,
	bool _aborting )
	: groupInfo( _groupInfo ),
	totals( _totals ),
	aborting( _aborting )
	{}

	TestGroupStats::TestGroupStats( GroupInfo const& _groupInfo )
	: groupInfo( _groupInfo ),
	aborting( false )
	{}

	TestGroupStats::~TestGroupStats() = default;

	TestRunStats::TestRunStats( TestRunInfo const& _runInfo,
	Totals const& _totals,
	bool _aborting )
	: runInfo( _runInfo ),
	totals( _totals ),
	aborting( _aborting )
	{}

	TestRunStats::~TestRunStats() = default;

	void IStreamingReporter::fatalErrorEncountered( StringRef ) {}
	bool IStreamingReporter::isMulti() const { return false; }

	IReporterFactory::~IReporterFactory() = default;
	IReporterRegistry::~IReporterRegistry() = default;

	void addReporter( IStreamingReporterPtr& existingReporter, IStreamingReporterPtr&& additionalReporter ) {

	if( !existingReporter ) {
	existingReporter = std::move( additionalReporter );
	return;
	}

	MultipleReporters* multi = nullptr;

	if( existingReporter->isMulti() ) {
	multi = static_cast<MultipleReporters*>( existingReporter.get() );
	}
	else {
	auto newMulti = std::unique_ptr<MultipleReporters>( new MultipleReporters );
	newMulti->add( std::move( existingReporter ) );
	multi = newMulti.get();
	existingReporter = std::move( newMulti );
	}
	multi->add( std::move( additionalReporter ) );
	}

	} // end namespace Catch
	// end catch_interfaces_reporter.cpp
	// start catch_interfaces_runner.cpp

	namespace Catch {
	IRunner::~IRunner() = default;
	}
	// end catch_interfaces_runner.cpp
	// start catch_interfaces_testcase.cpp

	namespace Catch {
	ITestInvoker::~ITestInvoker() = default;
	ITestCaseRegistry::~ITestCaseRegistry() = default;
	}
	// end catch_interfaces_testcase.cpp
	// start catch_leak_detector.cpp

	namespace Catch {

	#ifdef CATCH_CONFIG_WINDOWS_CRTDBG
	#include <crtdbg.h>

	LeakDetector::LeakDetector() {
	int flag = _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG);
	flag \|= _CRTDBG_LEAK_CHECK_DF;
	flag \|= _CRTDBG_ALLOC_MEM_DF;
	_CrtSetDbgFlag(flag);
	_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE \| _CRTDBG_MODE_DEBUG);
	_CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
	// Change this to leaking allocation's number to break there
	_CrtSetBreakAlloc(-1);
	}

	#else

	LeakDetector::LeakDetector(){}

	#endif

	}
	// end catch_leak_detector.cpp
	// start catch_list.cpp

	// start catch_list.h

	#include <set>

	namespace Catch {

	std::size_t listTests( Config const& config );

	std::size_t listTestsNamesOnly( Config const& config );

	struct TagInfo {
	void add( std::string const& spelling );
	std::string all() const;

	std::set<std::string> spellings;
	std::size_t count = 0;
	};

	std::size_t listTags( Config const& config );

	std::size_t listReporters( Config const& /config/ );

	Option<std::size_t> list( Config const& config );

	} // end namespace Catch

	// end catch_list.h
	// start catch_text.h

	namespace Catch {
	using namespace clara::TextFlow;
	}

	// end catch_text.h
	#include <limits>
	#include <algorithm>
	#include <iomanip>

	namespace Catch {

	std::size_t listTests( Config const& config ) {
	TestSpec testSpec = config.testSpec();
	if( config.testSpec().hasFilters() )
	Catch::cout() << "Matching test cases:\n";
	else {
	Catch::cout() << "All available test cases:\n";
	testSpec = TestSpecParser( ITagAliasRegistry::get() ).parse( "*" ).testSpec();
	}

	auto matchedTestCases = filterTests( getAllTestCasesSorted( config ), testSpec, config );
	for( auto const& testCaseInfo : matchedTestCases ) {
	Colour::Code colour = testCaseInfo.isHidden()
	? Colour::SecondaryText
	: Colour::None;
	Colour colourGuard( colour );

	Catch::cout() << Column( testCaseInfo.name ).initialIndent( 2 ).indent( 4 ) << "\n";
	if( config.verbosity() >= Verbosity::High ) {
	Catch::cout() << Column( Catch::Detail::stringify( testCaseInfo.lineInfo ) ).indent(4) << std::endl;
	std::string description = testCaseInfo.description;
	if( description.empty() )
	description = "(NO DESCRIPTION)";
	Catch::cout() << Column( description ).indent(4) << std::endl;
	}
	if( !testCaseInfo.tags.empty() )
	Catch::cout() << Column( testCaseInfo.tagsAsString() ).indent( 6 ) << "\n";
	}

	if( !config.testSpec().hasFilters() )
	Catch::cout() << pluralise( matchedTestCases.size(), "test case" ) << '\n' << std::endl;
	else
	Catch::cout() << pluralise( matchedTestCases.size(), "matching test case" ) << '\n' << std::endl;
	return matchedTestCases.size();
	}

	std::size_t listTestsNamesOnly( Config const& config ) {
	TestSpec testSpec = config.testSpec();
	if( !config.testSpec().hasFilters() )
	testSpec = TestSpecParser( ITagAliasRegistry::get() ).parse( "*" ).testSpec();
	std::size_t matchedTests = 0;
	std::vector<TestCase> matchedTestCases = filterTests( getAllTestCasesSorted( config ), testSpec, config );
	for( auto const& testCaseInfo : matchedTestCases ) {
	matchedTests++;
	if( startsWith( testCaseInfo.name, '#' ) )
	Catch::cout() << '"' << testCaseInfo.name << '"';
	else
	Catch::cout() << testCaseInfo.name;
	if ( config.verbosity() >= Verbosity::High )
	Catch::cout() << "\t@" << testCaseInfo.lineInfo;
	Catch::cout() << std::endl;
	}
	return matchedTests;
	}

	void TagInfo::add( std::string const& spelling ) {
	++count;
	spellings.insert( spelling );
	}

	std::string TagInfo::all() const {
	std::string out;
	for( auto const& spelling : spellings )
	out += "[" + spelling + "]";
	return out;
	}

	std::size_t listTags( Config const& config ) {
	TestSpec testSpec = config.testSpec();
	if( config.testSpec().hasFilters() )
	Catch::cout() << "Tags for matching test cases:\n";
	else {
	Catch::cout() << "All available tags:\n";
	testSpec = TestSpecParser( ITagAliasRegistry::get() ).parse( "*" ).testSpec();
	}

	std::map<std::string, TagInfo> tagCounts;

	std::vector<TestCase> matchedTestCases = filterTests( getAllTestCasesSorted( config ), testSpec, config );
	for( auto const& testCase : matchedTestCases ) {
	for( auto const& tagName : testCase.getTestCaseInfo().tags ) {
	std::string lcaseTagName = toLower( tagName );
	auto countIt = tagCounts.find( lcaseTagName );
	if( countIt == tagCounts.end() )
	countIt = tagCounts.insert( std::make_pair( lcaseTagName, TagInfo() ) ).first;
	countIt->second.add( tagName );
	}
	}

	for( auto const& tagCount : tagCounts ) {
	std::ostringstream oss;
	oss << " " << std::setw(2) << tagCount.second.count << " ";
	auto wrapper = Column( tagCount.second.all() )
	.initialIndent( 0 )
	.indent( oss.str().size() )
	.width( CATCH_CONFIG_CONSOLE_WIDTH-10 );
	Catch::cout() << oss.str() << wrapper << '\n';
	}
	Catch::cout() << pluralise( tagCounts.size(), "tag" ) << '\n' << std::endl;
	return tagCounts.size();
	}

	std::size_t listReporters( Config const& /config/ ) {
	Catch::cout() << "Available reporters:\n";
	IReporterRegistry::FactoryMap const& factories = getRegistryHub().getReporterRegistry().getFactories();
	std::size_t maxNameLen = 0;
	for( auto const& factoryKvp : factories )
	maxNameLen = (std::max)( maxNameLen, factoryKvp.first.size() );

	for( auto const& factoryKvp : factories ) {
	Catch::cout()
	<< Column( factoryKvp.first + ":" )
	.indent(2)
	.width( 5+maxNameLen )
	+ Column( factoryKvp.second->getDescription() )
	.initialIndent(0)
	.indent(2)
	.width( CATCH_CONFIG_CONSOLE_WIDTH - maxNameLen-8 )
	<< "\n";
	}
	Catch::cout() << std::endl;
	return factories.size();
	}

	Option<std::size_t> list( Config const& config ) {
	Option<std::size_t> listedCount;
	if( config.listTests() )
	listedCount = listedCount.valueOr(0) + listTests( config );
	if( config.listTestNamesOnly() )
	listedCount = listedCount.valueOr(0) + listTestsNamesOnly( config );
	if( config.listTags() )
	listedCount = listedCount.valueOr(0) + listTags( config );
	if( config.listReporters() )
	listedCount = listedCount.valueOr(0) + listReporters( config );
	return listedCount;
	}

	} // end namespace Catch
	// end catch_list.cpp
	// start catch_matchers.cpp

	namespace Catch {
	namespace Matchers {
	namespace Impl {

	std::string MatcherUntypedBase::toString() const {
	if( m_cachedToString.empty() )
	m_cachedToString = describe();
	return m_cachedToString;
	}

	MatcherUntypedBase::~MatcherUntypedBase() = default;

	} // namespace Impl
	} // namespace Matchers

	using namespace Matchers;
	using Matchers::Impl::MatcherBase;

	} // namespace Catch
	// end catch_matchers.cpp
	// start catch_matchers_string.cpp

	namespace Catch {
	namespace Matchers {

	namespace StdString {

	CasedString::CasedString( std::string const& str, CaseSensitive::Choice caseSensitivity )
	: m_caseSensitivity( caseSensitivity ),
	m_str( adjustString( str ) )
	{}
	std::string CasedString::adjustString( std::string const& str ) const {
	return m_caseSensitivity == CaseSensitive::No
	? toLower( str )
	: str;
	}
	std::string CasedString::caseSensitivitySuffix() const {
	return m_caseSensitivity == CaseSensitive::No
	? " (case insensitive)"
	: std::string();
	}

	StringMatcherBase::StringMatcherBase( std::string const& operation, CasedString const& comparator )
	: m_comparator( comparator ),
	m_operation( operation ) {
	}

	std::string StringMatcherBase::describe() const {
	std::string description;
	description.reserve(5 + m_operation.size() + m_comparator.m_str.size() +
	m_comparator.caseSensitivitySuffix().size());
	description += m_operation;
	description += ": \"";
	description += m_comparator.m_str;
	description += "\"";
	description += m_comparator.caseSensitivitySuffix();
	return description;
	}

	EqualsMatcher::EqualsMatcher( CasedString const& comparator ) : StringMatcherBase( "equals", comparator ) {}

	bool EqualsMatcher::match( std::string const& source ) const {
	return m_comparator.adjustString( source ) == m_comparator.m_str;
	}

	ContainsMatcher::ContainsMatcher( CasedString const& comparator ) : StringMatcherBase( "contains", comparator ) {}

	bool ContainsMatcher::match( std::string const& source ) const {
	return contains( m_comparator.adjustString( source ), m_comparator.m_str );
	}

	StartsWithMatcher::StartsWithMatcher( CasedString const& comparator ) : StringMatcherBase( "starts with", comparator ) {}

	bool StartsWithMatcher::match( std::string const& source ) const {
	return startsWith( m_comparator.adjustString( source ), m_comparator.m_str );
	}

	EndsWithMatcher::EndsWithMatcher( CasedString const& comparator ) : StringMatcherBase( "ends with", comparator ) {}

	bool EndsWithMatcher::match( std::string const& source ) const {
	return endsWith( m_comparator.adjustString( source ), m_comparator.m_str );
	}

	} // namespace StdString

	StdString::EqualsMatcher Equals( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
	return StdString::EqualsMatcher( StdString::CasedString( str, caseSensitivity) );
	}
	StdString::ContainsMatcher Contains( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
	return StdString::ContainsMatcher( StdString::CasedString( str, caseSensitivity) );
	}
	StdString::EndsWithMatcher EndsWith( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
	return StdString::EndsWithMatcher( StdString::CasedString( str, caseSensitivity) );
	}
	StdString::StartsWithMatcher StartsWith( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
	return StdString::StartsWithMatcher( StdString::CasedString( str, caseSensitivity) );
	}

	} // namespace Matchers
	} // namespace Catch
	// end catch_matchers_string.cpp
	// start catch_message.cpp

	namespace Catch {

	MessageInfo::MessageInfo( std::string const& _macroName,
	SourceLineInfo const& _lineInfo,
	ResultWas::OfType _type )
	: macroName( _macroName ),
	lineInfo( _lineInfo ),
	type( _type ),
	sequence( ++globalCount )
	{}

	bool MessageInfo::operator==( MessageInfo const& other ) const {
	return sequence == other.sequence;
	}

	bool MessageInfo::operator<( MessageInfo const& other ) const {
	return sequence < other.sequence;
	}

	// This may need protecting if threading support is added
	unsigned int MessageInfo::globalCount = 0;

	////////////////////////////////////////////////////////////////////////////

	Catch::MessageBuilder::MessageBuilder( std::string const& macroName,
	SourceLineInfo const& lineInfo,
	ResultWas::OfType type )
	:m_info(macroName, lineInfo, type) {}

	////////////////////////////////////////////////////////////////////////////

	ScopedMessage::ScopedMessage( MessageBuilder const& builder )
	: m_info( builder.m_info )
	{
	m_info.message = builder.m_stream.str();
	getResultCapture().pushScopedMessage( m_info );
	}

	ScopedMessage::~ScopedMessage() {
	if ( !std::uncaught_exception() ){
	getResultCapture().popScopedMessage(m_info);
	}
	}

	} // end namespace Catch
	// end catch_message.cpp
	// start catch_random_number_generator.cpp

	// start catch_random_number_generator.h

	#include <algorithm>

	namespace Catch {

	struct IConfig;

	void seedRng( IConfig const& config );

	unsigned int rngSeed();

	struct RandomNumberGenerator {
	using result_type = unsigned int;

	static constexpr result_type (min)() { return 0; }
	static constexpr result_type (max)() { return 1000000; }

	result_type operator()( result_type n ) const;
	result_type operator()() const;

	template<typename V>
	static void shuffle( V& vector ) {
	RandomNumberGenerator rng;
	std::shuffle( vector.begin(), vector.end(), rng );
	}
	};

	}

	// end catch_random_number_generator.h
	#include <cstdlib>

	namespace Catch {

	void seedRng( IConfig const& config ) {
	if( config.rngSeed() != 0 )
	std::srand( config.rngSeed() );
	}
	unsigned int rngSeed() {
	return getCurrentContext().getConfig()->rngSeed();
	}

	RandomNumberGenerator::result_type RandomNumberGenerator::operator()( result_type n ) const {
	return std::rand() % n;
	}
	RandomNumberGenerator::result_type RandomNumberGenerator::operator()() const {
	return std::rand() % (max)();
	}

	}
	// end catch_random_number_generator.cpp
	// start catch_registry_hub.cpp

	// start catch_test_case_registry_impl.h

	#include <vector>
	#include <set>
	#include <algorithm>
	#include <ios>

	namespace Catch {

	class TestCase;
	struct IConfig;

	std::vector<TestCase> sortTests( IConfig const& config, std::vector<TestCase> const& unsortedTestCases );
	bool matchTest( TestCase const& testCase, TestSpec const& testSpec, IConfig const& config );

	void enforceNoDuplicateTestCases( std::vector<TestCase> const& functions );

	std::vector<TestCase> filterTests( std::vector<TestCase> const& testCases, TestSpec const& testSpec, IConfig const& config );
	std::vector<TestCase> const& getAllTestCasesSorted( IConfig const& config );

	class TestRegistry : public ITestCaseRegistry {
	public:
	virtual ~TestRegistry() = default;

	virtual void registerTest( TestCase const& testCase );

	std::vector<TestCase> const& getAllTests() const override;
	std::vector<TestCase> const& getAllTestsSorted( IConfig const& config ) const override;

	private:
	std::vector<TestCase> m_functions;
	mutable RunTests::InWhatOrder m_currentSortOrder = RunTests::InDeclarationOrder;
	mutable std::vector<TestCase> m_sortedFunctions;
	std::size_t m_unnamedCount = 0;
	std::ios_base::Init m_ostreamInit; // Forces cout/ cerr to be initialised
	};

	///////////////////////////////////////////////////////////////////////////

	class TestInvokerAsFunction : public ITestInvoker {
	void(*m_testAsFunction)();
	public:
	TestInvokerAsFunction( void(*testAsFunction)() ) noexcept;

	void invoke() const override;
	};

	std::string extractClassName( std::string const& classOrQualifiedMethodName );

	///////////////////////////////////////////////////////////////////////////

	} // end namespace Catch

	// end catch_test_case_registry_impl.h
	// start catch_reporter_registry.h

	#include <map>

	namespace Catch {

	class ReporterRegistry : public IReporterRegistry {

	public:

	~ReporterRegistry() override;

	IStreamingReporterPtr create( std::string const& name, IConfigPtr const& config ) const override;

	void registerReporter( std::string const& name, IReporterFactoryPtr const& factory );
	void registerListener( IReporterFactoryPtr const& factory );

	FactoryMap const& getFactories() const override;
	Listeners const& getListeners() const override;

	private:
	FactoryMap m_factories;
	Listeners m_listeners;
	};
	}

	// end catch_reporter_registry.h
	// start catch_tag_alias_registry.h

	// start catch_tag_alias.h

	#include <string>

	namespace Catch {

	struct TagAlias {
	TagAlias(std::string const& _tag, SourceLineInfo _lineInfo);

	std::string tag;
	SourceLineInfo lineInfo;
	};

	} // end namespace Catch

	// end catch_tag_alias.h
	#include <map>

	namespace Catch {

	class TagAliasRegistry : public ITagAliasRegistry {
	public:
	~TagAliasRegistry() override;
	TagAlias const* find( std::string const& alias ) const override;
	std::string expandAliases( std::string const& unexpandedTestSpec ) const override;
	void add( std::string const& alias, std::string const& tag, SourceLineInfo const& lineInfo );

	private:
	std::map<std::string, TagAlias> m_registry;
	};

	} // end namespace Catch

	// end catch_tag_alias_registry.h
	// start catch_startup_exception_registry.h

	#include <vector>
	#include <exception>

	namespace Catch {

	class StartupExceptionRegistry {
	public:
	void add(std::exception_ptr const& exception) noexcept;
	std::vector<std::exception_ptr> const& getExceptions() const noexcept;
	private:
	std::vector<std::exception_ptr> m_exceptions;
	};

	} // end namespace Catch

	// end catch_startup_exception_registry.h
	namespace Catch {

	namespace {

	class RegistryHub : public IRegistryHub, public IMutableRegistryHub,
	private NonCopyable {

	public: // IRegistryHub
	RegistryHub() = default;
	IReporterRegistry const& getReporterRegistry() const override {
	return m_reporterRegistry;
	}
	ITestCaseRegistry const& getTestCaseRegistry() const override {
	return m_testCaseRegistry;
	}
	IExceptionTranslatorRegistry& getExceptionTranslatorRegistry() override {
	return m_exceptionTranslatorRegistry;
	}
	ITagAliasRegistry const& getTagAliasRegistry() const override {
	return m_tagAliasRegistry;
	}
	StartupExceptionRegistry const& getStartupExceptionRegistry() const override {
	return m_exceptionRegistry;
	}

	public: // IMutableRegistryHub
	void registerReporter( std::string const& name, IReporterFactoryPtr const& factory ) override {
	m_reporterRegistry.registerReporter( name, factory );
	}
	void registerListener( IReporterFactoryPtr const& factory ) override {
	m_reporterRegistry.registerListener( factory );
	}
	void registerTest( TestCase const& testInfo ) override {
	m_testCaseRegistry.registerTest( testInfo );
	}
	void registerTranslator( const IExceptionTranslator* translator ) override {
	m_exceptionTranslatorRegistry.registerTranslator( translator );
	}
	void registerTagAlias( std::string const& alias, std::string const& tag, SourceLineInfo const& lineInfo ) override {
	m_tagAliasRegistry.add( alias, tag, lineInfo );
	}
	void registerStartupException() noexcept override {
	m_exceptionRegistry.add(std::current_exception());
	}

	private:
	TestRegistry m_testCaseRegistry;
	ReporterRegistry m_reporterRegistry;
	ExceptionTranslatorRegistry m_exceptionTranslatorRegistry;
	TagAliasRegistry m_tagAliasRegistry;
	StartupExceptionRegistry m_exceptionRegistry;
	};

	// Single, global, instance
	RegistryHub*& getTheRegistryHub() {
	static RegistryHub* theRegistryHub = nullptr;
	if( !theRegistryHub )
	theRegistryHub = new RegistryHub();
	return theRegistryHub;
	}
	}

	IRegistryHub& getRegistryHub() {
	return *getTheRegistryHub();
	}
	IMutableRegistryHub& getMutableRegistryHub() {
	return *getTheRegistryHub();
	}
	void cleanUp() {
	delete getTheRegistryHub();
	getTheRegistryHub() = nullptr;
	cleanUpContext();
	}
	std::string translateActiveException() {
	return getRegistryHub().getExceptionTranslatorRegistry().translateActiveException();
	}

	} // end namespace Catch
	// end catch_registry_hub.cpp
	// start catch_reporter_registry.cpp

	namespace Catch {

	ReporterRegistry::~ReporterRegistry() = default;

	IStreamingReporterPtr ReporterRegistry::create( std::string const& name, IConfigPtr const& config ) const {
	auto it = m_factories.find( name );
	if( it == m_factories.end() )
	return nullptr;
	return it->second->create( ReporterConfig( config ) );
	}

	void ReporterRegistry::registerReporter( std::string const& name, IReporterFactoryPtr const& factory ) {
	m_factories.emplace(name, factory);
	}
	void ReporterRegistry::registerListener( IReporterFactoryPtr const& factory ) {
	m_listeners.push_back( factory );
	}

	IReporterRegistry::FactoryMap const& ReporterRegistry::getFactories() const {
	return m_factories;
	}
	IReporterRegistry::Listeners const& ReporterRegistry::getListeners() const {
	return m_listeners;
	}

	}
	// end catch_reporter_registry.cpp
	// start catch_result_type.cpp

	namespace Catch {

	bool isOk( ResultWas::OfType resultType ) {
	return ( resultType & ResultWas::FailureBit ) == 0;
	}
	bool isJustInfo( int flags ) {
	return flags == ResultWas::Info;
	}

	ResultDisposition::Flags operator \| ( ResultDisposition::Flags lhs, ResultDisposition::Flags rhs ) {
	return static_cast<ResultDisposition::Flags>( static_cast<int>( lhs ) \| static_cast<int>( rhs ) );
	}

	bool shouldContinueOnFailure( int flags ) { return ( flags & ResultDisposition::ContinueOnFailure ) != 0; }
	bool isFalseTest( int flags ) { return ( flags & ResultDisposition::FalseTest ) != 0; }
	bool shouldSuppressFailure( int flags ) { return ( flags & ResultDisposition::SuppressFail ) != 0; }

	} // end namespace Catch
	// end catch_result_type.cpp
	// start catch_run_context.cpp
	// start catch_run_context.h

	#include <string>

	namespace Catch {

	struct IMutableContext;

	class StreamRedirect {

	public:
	StreamRedirect(std::ostream& stream, std::string& targetString);

	~StreamRedirect();

	private:
	std::ostream& m_stream;
	std::streambuf* m_prevBuf;
	std::ostringstream m_oss;
	std::string& m_targetString;
	};

	// StdErr has two constituent streams in C++, std::cerr and std::clog
	// This means that we need to redirect 2 streams into 1 to keep proper
	// order of writes and cannot use StreamRedirect on its own
	class StdErrRedirect {
	public:
	StdErrRedirect(std::string& targetString);
	~StdErrRedirect();
	private:
	std::streambuf* m_cerrBuf;
	std::streambuf* m_clogBuf;
	std::ostringstream m_oss;
	std::string& m_targetString;
	};

	///////////////////////////////////////////////////////////////////////////

	class RunContext : public IResultCapture, public IRunner {

	public:
	RunContext( RunContext const& ) = delete;
	RunContext& operator =( RunContext const& ) = delete;

	explicit RunContext(IConfigPtr const& _config, IStreamingReporterPtr&& reporter);

	virtual ~RunContext();

	void testGroupStarting(std::string const& testSpec, std::size_t groupIndex, std::size_t groupsCount);
	void testGroupEnded(std::string const& testSpec, Totals const& totals, std::size_t groupIndex, std::size_t groupsCount);

	Totals runTest(TestCase const& testCase);

	IConfigPtr config() const;
	IStreamingReporter& reporter() const;

	private: // IResultCapture

	void assertionStarting(AssertionInfo const& info) override;
	void assertionEnded(AssertionResult const& result) override;

	bool sectionStarted( SectionInfo const& sectionInfo, Counts& assertions ) override;
	bool testForMissingAssertions(Counts& assertions);

	void sectionEnded(SectionEndInfo const& endInfo) override;
	void sectionEndedEarly(SectionEndInfo const& endInfo) override;

	void benchmarkStarting( BenchmarkInfo const& info ) override;
	void benchmarkEnded( BenchmarkStats const& stats ) override;

	void pushScopedMessage(MessageInfo const& message) override;
	void popScopedMessage(MessageInfo const& message) override;

	std::string getCurrentTestName() const override;

	const AssertionResult* getLastResult() const override;

	void exceptionEarlyReported() override;

	void handleFatalErrorCondition( StringRef message ) override;

	bool lastAssertionPassed() override;

	void assertionPassed() override;

	void assertionRun() override;

	public:
	// !TBD We need to do this another way!
	bool aborting() const override;

	private:

	void runCurrentTest(std::string& redirectedCout, std::string& redirectedCerr);
	void invokeActiveTestCase();

	private:

	void handleUnfinishedSections();

	TestRunInfo m_runInfo;
	IMutableContext& m_context;
	TestCase const* m_activeTestCase = nullptr;
	ITracker* m_testCaseTracker;
	Option<AssertionResult> m_lastResult;

	IConfigPtr m_config;
	Totals m_totals;
	IStreamingReporterPtr m_reporter;
	std::vector<MessageInfo> m_messages;
	AssertionInfo m_lastAssertionInfo;
	std::vector<SectionEndInfo> m_unfinishedSections;
	std::vector<ITracker*> m_activeSections;
	TrackerContext m_trackerContext;
	std::size_t m_prevPassed = 0;
	bool m_shouldReportUnexpected = true;
	};

	IResultCapture& getResultCapture();

	} // end namespace Catch

	// end catch_run_context.h

	#include <cassert>
	#include <algorithm>

	namespace Catch {

	StreamRedirect::StreamRedirect(std::ostream& stream, std::string& targetString)
	: m_stream(stream),
	m_prevBuf(stream.rdbuf()),
	m_targetString(targetString) {
	stream.rdbuf(m_oss.rdbuf());
	}

	StreamRedirect::~StreamRedirect() {
	m_targetString += m_oss.str();
	m_stream.rdbuf(m_prevBuf);
	}

	StdErrRedirect::StdErrRedirect(std::string & targetString)
	:m_cerrBuf(cerr().rdbuf()), m_clogBuf(clog().rdbuf()),
	m_targetString(targetString) {
	cerr().rdbuf(m_oss.rdbuf());
	clog().rdbuf(m_oss.rdbuf());
	}

	StdErrRedirect::~StdErrRedirect() {
	m_targetString += m_oss.str();
	cerr().rdbuf(m_cerrBuf);
	clog().rdbuf(m_clogBuf);
	}

	RunContext::RunContext(IConfigPtr const& _config, IStreamingReporterPtr&& reporter)
	: m_runInfo(_config->name()),
	m_context(getCurrentMutableContext()),
	m_config(_config),
	m_reporter(std::move(reporter)),
	m_lastAssertionInfo{ "", SourceLineInfo("",0), "", ResultDisposition::Normal }
	{
	m_context.setRunner(this);
	m_context.setConfig(m_config);
	m_context.setResultCapture(this);
	m_reporter->testRunStarting(m_runInfo);
	}

	RunContext::~RunContext() {
	m_reporter->testRunEnded(TestRunStats(m_runInfo, m_totals, aborting()));
	}

	void RunContext::testGroupStarting(std::string const& testSpec, std::size_t groupIndex, std::size_t groupsCount) {
	m_reporter->testGroupStarting(GroupInfo(testSpec, groupIndex, groupsCount));
	}

	void RunContext::testGroupEnded(std::string const& testSpec, Totals const& totals, std::size_t groupIndex, std::size_t groupsCount) {
	m_reporter->testGroupEnded(TestGroupStats(GroupInfo(testSpec, groupIndex, groupsCount), totals, aborting()));
	}

	Totals RunContext::runTest(TestCase const& testCase) {
	Totals prevTotals = m_totals;

	std::string redirectedCout;
	std::string redirectedCerr;

	TestCaseInfo testInfo = testCase.getTestCaseInfo();

	m_reporter->testCaseStarting(testInfo);

	m_activeTestCase = &testCase;

	ITracker& rootTracker = m_trackerContext.startRun();
	assert(rootTracker.isSectionTracker());
	static_cast<SectionTracker&>(rootTracker).addInitialFilters(m_config->getSectionsToRun());
	do {
	m_trackerContext.startCycle();
	m_testCaseTracker = &SectionTracker::acquire(m_trackerContext, TestCaseTracking::NameAndLocation(testInfo.name, testInfo.lineInfo));
	runCurrentTest(redirectedCout, redirectedCerr);
	} while (!m_testCaseTracker->isSuccessfullyCompleted() && !aborting());

	Totals deltaTotals = m_totals.delta(prevTotals);
	if (testInfo.expectedToFail() && deltaTotals.testCases.passed > 0) {
	deltaTotals.assertions.failed++;
	deltaTotals.testCases.passed--;
	deltaTotals.testCases.failed++;
	}
	m_totals.testCases += deltaTotals.testCases;
	m_reporter->testCaseEnded(TestCaseStats(testInfo,
	deltaTotals,
	redirectedCout,
	redirectedCerr,
	aborting()));

	m_activeTestCase = nullptr;
	m_testCaseTracker = nullptr;

	return deltaTotals;
	}

	IConfigPtr RunContext::config() const {
	return m_config;
	}

	IStreamingReporter& RunContext::reporter() const {
	return *m_reporter;
	}

	void RunContext::assertionStarting(AssertionInfo const& info) {
	m_reporter->assertionStarting( info );
	}
	void RunContext::assertionEnded(AssertionResult const & result) {
	if (result.getResultType() == ResultWas::Ok) {
	m_totals.assertions.passed++;
	} else if (!result.isOk()) {
	if( m_activeTestCase->getTestCaseInfo().okToFail() )
	m_totals.assertions.failedButOk++;
	else
	m_totals.assertions.failed++;
	}

	// We have no use for the return value (whether messages should be cleared), because messages were made scoped
	// and should be let to clear themselves out.
	static_cast<void>(m_reporter->assertionEnded(AssertionStats(result, m_messages, m_totals)));

	// Reset working state
	m_lastAssertionInfo = { "", m_lastAssertionInfo.lineInfo, "{Unknown expression after the reported line}", m_lastAssertionInfo.resultDisposition };
	m_lastResult = result;
	}

	bool RunContext::sectionStarted(SectionInfo const & sectionInfo, Counts & assertions) {
	ITracker& sectionTracker = SectionTracker::acquire(m_trackerContext, TestCaseTracking::NameAndLocation(sectionInfo.name, sectionInfo.lineInfo));
	if (!sectionTracker.isOpen())
	return false;
	m_activeSections.push_back(&sectionTracker);

	m_lastAssertionInfo.lineInfo = sectionInfo.lineInfo;

	m_reporter->sectionStarting(sectionInfo);

	assertions = m_totals.assertions;

	return true;
	}

	bool RunContext::testForMissingAssertions(Counts& assertions) {
	if (assertions.total() != 0)
	return false;
	if (!m_config->warnAboutMissingAssertions())
	return false;
	if (m_trackerContext.currentTracker().hasChildren())
	return false;
	m_totals.assertions.failed++;
	assertions.failed++;
	return true;
	}

	void RunContext::sectionEnded(SectionEndInfo const & endInfo) {
	Counts assertions = m_totals.assertions - endInfo.prevAssertions;
	bool missingAssertions = testForMissingAssertions(assertions);

	if (!m_activeSections.empty()) {
	m_activeSections.back()->close();
	m_activeSections.pop_back();
	}

	m_reporter->sectionEnded(SectionStats(endInfo.sectionInfo, assertions, endInfo.durationInSeconds, missingAssertions));
	m_messages.clear();
	}

	void RunContext::sectionEndedEarly(SectionEndInfo const & endInfo) {
	if (m_unfinishedSections.empty())
	m_activeSections.back()->fail();
	else
	m_activeSections.back()->close();
	m_activeSections.pop_back();

	m_unfinishedSections.push_back(endInfo);
	}
	void RunContext::benchmarkStarting( BenchmarkInfo const& info ) {
	m_reporter->benchmarkStarting( info );
	}
	void RunContext::benchmarkEnded( BenchmarkStats const& stats ) {
	m_reporter->benchmarkEnded( stats );
	}

	void RunContext::pushScopedMessage(MessageInfo const & message) {
	m_messages.push_back(message);
	}

	void RunContext::popScopedMessage(MessageInfo const & message) {
	m_messages.erase(std::remove(m_messages.begin(), m_messages.end(), message), m_messages.end());
	}

	std::string RunContext::getCurrentTestName() const {
	return m_activeTestCase
	? m_activeTestCase->getTestCaseInfo().name
	: std::string();
	}

	const AssertionResult * RunContext::getLastResult() const {
	return &(*m_lastResult);
	}

	void RunContext::exceptionEarlyReported() {
	m_shouldReportUnexpected = false;
	}

	void RunContext::handleFatalErrorCondition( StringRef message ) {
	// First notify reporter that bad things happened
	m_reporter->fatalErrorEncountered(message);

	// Don't rebuild the result -- the stringification itself can cause more fatal errors
	// Instead, fake a result data.
	AssertionResultData tempResult( ResultWas::FatalErrorCondition, { false } );
	tempResult.message = message;
	AssertionResult result(m_lastAssertionInfo, tempResult);

	getResultCapture().assertionEnded(result);

	handleUnfinishedSections();

	// Recreate section for test case (as we will lose the one that was in scope)
	auto const& testCaseInfo = m_activeTestCase->getTestCaseInfo();
	SectionInfo testCaseSection(testCaseInfo.lineInfo, testCaseInfo.name, testCaseInfo.description);

	Counts assertions;
	assertions.failed = 1;
	SectionStats testCaseSectionStats(testCaseSection, assertions, 0, false);
	m_reporter->sectionEnded(testCaseSectionStats);

	auto const& testInfo = m_activeTestCase->getTestCaseInfo();

	Totals deltaTotals;
	deltaTotals.testCases.failed = 1;
	deltaTotals.assertions.failed = 1;
	m_reporter->testCaseEnded(TestCaseStats(testInfo,
	deltaTotals,
	std::string(),
	std::string(),
	false));
	m_totals.testCases.failed++;
	testGroupEnded(std::string(), m_totals, 1, 1);
	m_reporter->testRunEnded(TestRunStats(m_runInfo, m_totals, false));
	}

	bool RunContext::lastAssertionPassed() {
	return m_totals.assertions.passed == (m_prevPassed + 1);
	}

	void RunContext::assertionPassed() {
	++m_totals.assertions.passed;
	m_lastAssertionInfo.capturedExpression = "{Unknown expression after the reported line}";
	m_lastAssertionInfo.macroName = "";
	}

	void RunContext::assertionRun() {
	m_prevPassed = m_totals.assertions.passed;
	}

	bool RunContext::aborting() const {
	return m_totals.assertions.failed == static_cast<std::size_t>(m_config->abortAfter());
	}

	void RunContext::runCurrentTest(std::string & redirectedCout, std::string & redirectedCerr) {
	auto const& testCaseInfo = m_activeTestCase->getTestCaseInfo();
	SectionInfo testCaseSection(testCaseInfo.lineInfo, testCaseInfo.name, testCaseInfo.description);
	m_reporter->sectionStarting(testCaseSection);
	Counts prevAssertions = m_totals.assertions;
	double duration = 0;
	m_shouldReportUnexpected = true;
	try {
	m_lastAssertionInfo = { "TEST_CASE", testCaseInfo.lineInfo, "", ResultDisposition::Normal };

	seedRng(*m_config);

	Timer timer;
	timer.start();
	if (m_reporter->getPreferences().shouldRedirectStdOut) {
	StreamRedirect coutRedir(cout(), redirectedCout);
	StdErrRedirect errRedir(redirectedCerr);
	invokeActiveTestCase();
	} else {
	invokeActiveTestCase();
	}
	duration = timer.getElapsedSeconds();
	} catch (TestFailureException&) {
	// This just means the test was aborted due to failure
	} catch (...) {
	// Under CATCH_CONFIG_FAST_COMPILE, unexpected exceptions under REQUIRE assertions
	// are reported without translation at the point of origin.
	if (m_shouldReportUnexpected) {
	AssertionHandler
	( m_lastAssertionInfo.macroName,
	m_lastAssertionInfo.lineInfo,
	m_lastAssertionInfo.capturedExpression,
	m_lastAssertionInfo.resultDisposition ).useActiveException();
	}
	}
	m_testCaseTracker->close();
	handleUnfinishedSections();
	m_messages.clear();

	Counts assertions = m_totals.assertions - prevAssertions;
	bool missingAssertions = testForMissingAssertions(assertions);
	SectionStats testCaseSectionStats(testCaseSection, assertions, duration, missingAssertions);
	m_reporter->sectionEnded(testCaseSectionStats);
	}

	void RunContext::invokeActiveTestCase() {
	FatalConditionHandler fatalConditionHandler; // Handle signals
	m_activeTestCase->invoke();
	fatalConditionHandler.reset();
	}

	void RunContext::handleUnfinishedSections() {
	// If sections ended prematurely due to an exception we stored their
	// infos here so we can tear them down outside the unwind process.
	for (auto it = m_unfinishedSections.rbegin(),
	itEnd = m_unfinishedSections.rend();
	it != itEnd;
	++it)
	sectionEnded(*it);
	m_unfinishedSections.clear();
	}

	IResultCapture& getResultCapture() {
	if (auto* capture = getCurrentContext().getResultCapture())
	return *capture;
	else
	CATCH_INTERNAL_ERROR("No result capture instance");
	}
	}
	// end catch_run_context.cpp
	// start catch_section.cpp

	namespace Catch {

	Section::Section( SectionInfo const& info )
	: m_info( info ),
	m_sectionIncluded( getResultCapture().sectionStarted( m_info, m_assertions ) )
	{
	m_timer.start();
	}

	#if defined(_MSC_VER)
	#pragma warning(push)
	#pragma warning(disable:4996) // std::uncaught_exception is deprecated in C++17
	#endif
	Section::~Section() {
	if( m_sectionIncluded ) {
	SectionEndInfo endInfo( m_info, m_assertions, m_timer.getElapsedSeconds() );
	if( std::uncaught_exception() )
	getResultCapture().sectionEndedEarly( endInfo );
	else
	getResultCapture().sectionEnded( endInfo );
	}
	}
	#if defined(_MSC_VER)
	#pragma warning(pop)
	#endif

	// This indicates whether the section should be executed or not
	Section::operator bool() const {
	return m_sectionIncluded;
	}

	} // end namespace Catch
	// end catch_section.cpp
	// start catch_section_info.cpp

	namespace Catch {

	SectionInfo::SectionInfo
	( SourceLineInfo const& _lineInfo,
	std::string const& _name,
	std::string const& _description )
	: name( _name ),
	description( _description ),
	lineInfo( _lineInfo )
	{}

	SectionEndInfo::SectionEndInfo( SectionInfo const& _sectionInfo, Counts const& _prevAssertions, double _durationInSeconds )
	: sectionInfo( _sectionInfo ), prevAssertions( _prevAssertions ), durationInSeconds( _durationInSeconds )
	{}

	} // end namespace Catch
	// end catch_section_info.cpp
	// start catch_session.cpp

	// start catch_session.h

	#include <memory>

	namespace Catch {

	class Session : NonCopyable {
	public:

	Session();
	~Session() override;

	void showHelp() const;
	void libIdentify();

	int applyCommandLine( int argc, char* argv[] );

	void useConfigData( ConfigData const& configData );

	int run( int argc, char* argv[] );
	#if defined(WIN32) && defined(UNICODE)
	int run( int argc, wchar_t* const argv[] );
	#endif
	int run();

	clara::Parser const& cli() const;
	void cli( clara::Parser const& newParser );
	ConfigData& configData();
	Config& config();
	private:
	int runInternal();

	clara::Parser m_cli;
	ConfigData m_configData;
	std::shared_ptr<Config> m_config;
	bool m_startupExceptions = false;
	};

	} // end namespace Catch

	// end catch_session.h
	// start catch_version.h

	#include <iosfwd>

	namespace Catch {

	// Versioning information
	struct Version {
	Version( Version const& ) = delete;
	Version& operator=( Version const& ) = delete;
	Version( unsigned int _majorVersion,
	unsigned int _minorVersion,
	unsigned int _patchNumber,
	char const * const _branchName,
	unsigned int _buildNumber );

	unsigned int const majorVersion;
	unsigned int const minorVersion;
	unsigned int const patchNumber;

	// buildNumber is only used if branchName is not null
	char const * const branchName;
	unsigned int const buildNumber;

	friend std::ostream& operator << ( std::ostream& os, Version const& version );
	};

	Version const& libraryVersion();
	}

	// end catch_version.h
	#include <cstdlib>
	#include <iomanip>

	namespace {
	const int MaxExitCode = 255;
	using Catch::IStreamingReporterPtr;
	using Catch::IConfigPtr;
	using Catch::Config;

	IStreamingReporterPtr createReporter(std::string const& reporterName, IConfigPtr const& config) {
	auto reporter = Catch::getRegistryHub().getReporterRegistry().create(reporterName, config);
	CATCH_ENFORCE(reporter, "No reporter registered with name: '" << reporterName << "'");

	return reporter;
	}

	#ifndef CATCH_CONFIG_DEFAULT_REPORTER
	#define CATCH_CONFIG_DEFAULT_REPORTER "console"
	#endif

	IStreamingReporterPtr makeReporter(std::shared_ptr<Config> const& config) {
	auto const& reporterNames = config->getReporterNames();
	if (reporterNames.empty())
	return createReporter(CATCH_CONFIG_DEFAULT_REPORTER, config);

	IStreamingReporterPtr reporter;
	for (auto const& name : reporterNames)
	addReporter(reporter, createReporter(name, config));
	return reporter;
	}

	#undef CATCH_CONFIG_DEFAULT_REPORTER

	void addListeners(IStreamingReporterPtr& reporters, IConfigPtr const& config) {
	auto const& listeners = Catch::getRegistryHub().getReporterRegistry().getListeners();
	for (auto const& listener : listeners)
	addReporter(reporters, listener->create(Catch::ReporterConfig(config)));
	}

	Catch::Totals runTests(std::shared_ptr<Config> const& config) {
	using namespace Catch;
	IStreamingReporterPtr reporter = makeReporter(config);
	addListeners(reporter, config);

	RunContext context(config, std::move(reporter));

	Totals totals;

	context.testGroupStarting(config->name(), 1, 1);

	TestSpec testSpec = config->testSpec();
	if (!testSpec.hasFilters())
	testSpec = TestSpecParser(ITagAliasRegistry::get()).parse("~[.]").testSpec(); // All not hidden tests

	auto const& allTestCases = getAllTestCasesSorted(*config);
	for (auto const& testCase : allTestCases) {
	if (!context.aborting() && matchTest(testCase, testSpec, *config))
	totals += context.runTest(testCase);
	else
	context.reporter().skipTest(testCase);
	}

	context.testGroupEnded(config->name(), totals, 1, 1);
	return totals;
	}

	void applyFilenamesAsTags(Catch::IConfig const& config) {
	using namespace Catch;
	auto& tests = const_cast<std::vector<TestCase>&>(getAllTestCasesSorted(config));
	for (auto& testCase : tests) {
	auto tags = testCase.tags;

	std::string filename = testCase.lineInfo.file;
	auto lastSlash = filename.find_last_of("\\/");
	if (lastSlash != std::string::npos) {
	filename.erase(0, lastSlash);
	filename[0] = '#';
	}

	auto lastDot = filename.find_last_of('.');
	if (lastDot != std::string::npos) {
	filename.erase(lastDot);
	}

	tags.push_back(std::move(filename));
	setTags(testCase, tags);
	}
	}

	}

	namespace Catch {

	Session::Session() {
	static bool alreadyInstantiated = false;
	if( alreadyInstantiated ) {
	try { CATCH_INTERNAL_ERROR( "Only one instance of Catch::Session can ever be used" ); }
	catch(...) { getMutableRegistryHub().registerStartupException(); }
	}

	const auto& exceptions = getRegistryHub().getStartupExceptionRegistry().getExceptions();
	if ( !exceptions.empty() ) {
	m_startupExceptions = true;
	Colour colourGuard( Colour::Red );
	Catch::cerr() << "Errors occured during startup!" << '\n';
	// iterate over all exceptions and notify user
	for ( const auto& ex_ptr : exceptions ) {
	try {
	std::rethrow_exception(ex_ptr);
	} catch ( std::exception const& ex ) {
	Catch::cerr() << Column( ex.what() ).indent(2) << '\n';
	}
	}
	}

	alreadyInstantiated = true;
	m_cli = makeCommandLineParser( m_configData );
	}
	Session::~Session() {
	Catch::cleanUp();
	}

	void Session::showHelp() const {
	Catch::cout()
	<< "\nCatch v" << libraryVersion() << "\n"
	<< m_cli << std::endl
	<< "For more detailed usage please see the project docs\n" << std::endl;
	}
	void Session::libIdentify() {
	Catch::cout()
	<< std::left << std::setw(16) << "description: " << "A Catch test executable\n"
	<< std::left << std::setw(16) << "category: " << "testframework\n"
	<< std::left << std::setw(16) << "framework: " << "Catch Test\n"
	<< std::left << std::setw(16) << "version: " << libraryVersion() << std::endl;
	}

	int Session::applyCommandLine( int argc, char* argv[] ) {
	if( m_startupExceptions )
	return 1;

	auto result = m_cli.parse( clara::Args( argc, argv ) );
	if( !result ) {
	Catch::cerr()
	<< Colour( Colour::Red )
	<< "\nError(s) in input:\n"
	<< Column( result.errorMessage() ).indent( 2 )
	<< "\n\n";
	Catch::cerr() << "Run with -? for usage\n" << std::endl;
	return MaxExitCode;
	}

	if( m_configData.showHelp )
	showHelp();
	if( m_configData.libIdentify )
	libIdentify();
	m_config.reset();
	return 0;
	}

	void Session::useConfigData( ConfigData const& configData ) {
	m_configData = configData;
	m_config.reset();
	}

	int Session::run( int argc, char* argv[] ) {
	if( m_startupExceptions )
	return 1;
	int returnCode = applyCommandLine( argc, argv );
	if( returnCode == 0 )
	returnCode = run();
	return returnCode;
	}

	#if defined(WIN32) && defined(UNICODE)
	int Session::run( int argc, wchar_t* const argv[] ) {

	char *utf8Argv = new char [ argc ];

	for ( int i = 0; i < argc; ++i ) {
	int bufSize = WideCharToMultiByte( CP_UTF8, 0, argv[i], -1, NULL, 0, NULL, NULL );

	utf8Argv[ i ] = new char[ bufSize ];

	WideCharToMultiByte( CP_UTF8, 0, argv[i], -1, utf8Argv[i], bufSize, NULL, NULL );
	}

	int returnCode = run( argc, utf8Argv );

	for ( int i = 0; i < argc; ++i )
	delete [] utf8Argv[ i ];

	delete [] utf8Argv;

	return returnCode;
	}
	#endif
	int Session::run() {
	if( ( m_configData.waitForKeypress & WaitForKeypress::BeforeStart ) != 0 ) {
	Catch::cout() << "...waiting for enter/ return before starting" << std::endl;
	static_cast<void>(std::getchar());
	}
	int exitCode = runInternal();
	if( ( m_configData.waitForKeypress & WaitForKeypress::BeforeExit ) != 0 ) {
	Catch::cout() << "...waiting for enter/ return before exiting, with code: " << exitCode << std::endl;
	static_cast<void>(std::getchar());
	}
	return exitCode;
	}

	clara::Parser const& Session::cli() const {
	return m_cli;
	}
	void Session::cli( clara::Parser const& newParser ) {
	m_cli = newParser;
	}
	ConfigData& Session::configData() {
	return m_configData;
	}
	Config& Session::config() {
	if( !m_config )
	m_config = std::make_shared<Config>( m_configData );
	return *m_config;
	}

	int Session::runInternal() {
	if( m_startupExceptions )
	return 1;

	if( m_configData.showHelp \|\| m_configData.libIdentify )
	return 0;

	try
	{
	config(); // Force config to be constructed

	seedRng( *m_config );

	if( m_configData.filenamesAsTags )
	applyFilenamesAsTags( *m_config );

	// Handle list request
	if( Option<std::size_t> listed = list( config() ) )
	return static_cast<int>( *listed );

	return (std::min)( MaxExitCode, static_cast<int>( runTests( m_config ).assertions.failed ) );
	}
	catch( std::exception& ex ) {
	Catch::cerr() << ex.what() << std::endl;
	return MaxExitCode;
	}
	}

	} // end namespace Catch
	// end catch_session.cpp
	// start catch_startup_exception_registry.cpp

	namespace Catch {
	void StartupExceptionRegistry::add( std::exception_ptr const& exception ) noexcept {
	try {
	m_exceptions.push_back(exception);
	}
	catch(...) {
	// If we run out of memory during start-up there's really not a lot more we can do about it
	std::terminate();
	}
	}

	std::vector<std::exception_ptr> const& StartupExceptionRegistry::getExceptions() const noexcept {
	return m_exceptions;
	}

	} // end namespace Catch
	// end catch_startup_exception_registry.cpp
	// start catch_stream.cpp

	#include <stdexcept>
	#include <cstdio>
	#include <iostream>

	namespace Catch {

	template<typename WriterF, std::size_t bufferSize=256>
	class StreamBufImpl : public StreamBufBase {
	char data[bufferSize];
	WriterF m_writer;

	public:
	StreamBufImpl() {
	setp( data, data + sizeof(data) );
	}

	~StreamBufImpl() noexcept {
	StreamBufImpl::sync();
	}

	private:
	int overflow( int c ) override {
	sync();

	if( c != EOF ) {
	if( pbase() == epptr() )
	m_writer( std::string( 1, static_cast<char>( c ) ) );
	else
	sputc( static_cast<char>( c ) );
	}
	return 0;
	}

	int sync() override {
	if( pbase() != pptr() ) {
	m_writer( std::string( pbase(), static_cast<std::string::size_type>( pptr() - pbase() ) ) );
	setp( pbase(), epptr() );
	}
	return 0;
	}
	};

	///////////////////////////////////////////////////////////////////////////

	Catch::IStream::~IStream() = default;

	FileStream::FileStream( std::string const& filename ) {
	m_ofs.open( filename.c_str() );
	CATCH_ENFORCE( !m_ofs.fail(), "Unable to open file: '" << filename << "'" );
	}

	std::ostream& FileStream::stream() const {
	return m_ofs;
	}

	struct OutputDebugWriter {

	void operator()( std::string const&str ) {
	writeToDebugConsole( str );
	}
	};

	DebugOutStream::DebugOutStream()
	: m_streamBuf( new StreamBufImpl<OutputDebugWriter>() ),
	m_os( m_streamBuf.get() )
	{}

	std::ostream& DebugOutStream::stream() const {
	return m_os;
	}

	// Store the streambuf from cout up-front because
	// cout may get redirected when running tests
	CoutStream::CoutStream()
	: m_os( Catch::cout().rdbuf() )
	{}

	std::ostream& CoutStream::stream() const {
	return m_os;
	}

	#ifndef CATCH_CONFIG_NOSTDOUT // If you #define this you must implement these functions
	std::ostream& cout() {
	return std::cout;
	}
	std::ostream& cerr() {
	return std::cerr;
	}
	std::ostream& clog() {
	return std::clog;
	}
	#endif
	}
	// end catch_stream.cpp
	// start catch_streambuf.cpp

	namespace Catch {
	StreamBufBase::~StreamBufBase() = default;
	}
	// end catch_streambuf.cpp
	// start catch_string_manip.cpp

	#include <algorithm>
	#include <ostream>
	#include <cstring>
	#include <cctype>

	namespace Catch {

	bool startsWith( std::string const& s, std::string const& prefix ) {
	return s.size() >= prefix.size() && std::equal(prefix.begin(), prefix.end(), s.begin());
	}
	bool startsWith( std::string const& s, char prefix ) {
	return !s.empty() && s[0] == prefix;
	}
	bool endsWith( std::string const& s, std::string const& suffix ) {
	return s.size() >= suffix.size() && std::equal(suffix.rbegin(), suffix.rend(), s.rbegin());
	}
	bool endsWith( std::string const& s, char suffix ) {
	return !s.empty() && s[s.size()-1] == suffix;
	}
	bool contains( std::string const& s, std::string const& infix ) {
	return s.find( infix ) != std::string::npos;
	}
	char toLowerCh(char c) {
	return static_cast<char>( std::tolower( c ) );
	}
	void toLowerInPlace( std::string& s ) {
	std::transform( s.begin(), s.end(), s.begin(), toLowerCh );
	}
	std::string toLower( std::string const& s ) {
	std::string lc = s;
	toLowerInPlace( lc );
	return lc;
	}
	std::string trim( std::string const& str ) {
	static char const* whitespaceChars = "\n\r\t ";
	std::string::size_type start = str.find_first_not_of( whitespaceChars );
	std::string::size_type end = str.find_last_not_of( whitespaceChars );

	return start != std::string::npos ? str.substr( start, 1+end-start ) : std::string();
	}

	bool replaceInPlace( std::string& str, std::string const& replaceThis, std::string const& withThis ) {
	bool replaced = false;
	std::size_t i = str.find( replaceThis );
	while( i != std::string::npos ) {
	replaced = true;
	str = str.substr( 0, i ) + withThis + str.substr( i+replaceThis.size() );
	if( i < str.size()-withThis.size() )
	i = str.find( replaceThis, i+withThis.size() );
	else
	i = std::string::npos;
	}
	return replaced;
	}

	pluralise::pluralise( std::size_t count, std::string const& label )
	: m_count( count ),
	m_label( label )
	{}

	std::ostream& operator << ( std::ostream& os, pluralise const& pluraliser ) {
	os << pluraliser.m_count << ' ' << pluraliser.m_label;
	if( pluraliser.m_count != 1 )
	os << 's';
	return os;
	}

	}
	// end catch_string_manip.cpp
	// start catch_stringref.cpp

	#if defined(__clang__)
	# pragma clang diagnostic push
	# pragma clang diagnostic ignored "-Wexit-time-destructors"
	#endif

	#include <ostream>
	#include <cassert>
	#include <cstring>

	namespace Catch {

	auto getEmptyStringRef() -> StringRef {
	static StringRef s_emptyStringRef("");
	return s_emptyStringRef;
	}

	StringRef::StringRef() noexcept
	: StringRef( getEmptyStringRef() )
	{}

	StringRef::StringRef( StringRef const& other ) noexcept
	: m_start( other.m_start ),
	m_size( other.m_size )
	{}

	StringRef::StringRef( StringRef&& other ) noexcept
	: m_start( other.m_start ),
	m_size( other.m_size ),
	m_data( other.m_data )
	{
	other.m_data = nullptr;
	}

	StringRef::StringRef( char const* rawChars ) noexcept
	: m_start( rawChars ),
	m_size( static_cast<size_type>( std::strlen( rawChars ) ) )
	{
	assert( rawChars != nullptr );
	}

	StringRef::StringRef( char const* rawChars, size_type size ) noexcept
	: m_start( rawChars ),
	m_size( size )
	{
	size_type rawSize = rawChars == nullptr ? 0 : static_cast<size_type>( std::strlen( rawChars ) );
	if( rawSize < size )
	m_size = rawSize;
	}

	StringRef::StringRef( std::string const& stdString ) noexcept
	: m_start( stdString.c_str() ),
	m_size( stdString.size() )
	{}

	StringRef::~StringRef() noexcept {
	delete[] m_data;
	}

	auto StringRef::operator = ( StringRef other ) noexcept -> StringRef& {
	swap( other );
	return *this;
	}
	StringRef::operator std::string() const {
	return std::string( m_start, m_size );
	}

	void StringRef::swap( StringRef& other ) noexcept {
	std::swap( m_start, other.m_start );
	std::swap( m_size, other.m_size );
	std::swap( m_data, other.m_data );
	}

	auto StringRef::c_str() const -> char const* {
	if( isSubstring() )
	const_cast<StringRef*>( this )->takeOwnership();
	return m_start;
	}
	auto StringRef::data() const noexcept -> char const* {
	return m_start;
	}

	auto StringRef::isOwned() const noexcept -> bool {
	return m_data != nullptr;
	}
	auto StringRef::isSubstring() const noexcept -> bool {
	return m_start[m_size] != '\0';
	}

	void StringRef::takeOwnership() {
	if( !isOwned() ) {
	m_data = new char[m_size+1];
	memcpy( m_data, m_start, m_size );
	m_data[m_size] = '\0';
	m_start = m_data;
	}
	}
	auto StringRef::substr( size_type start, size_type size ) const noexcept -> StringRef {
	if( start < m_size )
	return StringRef( m_start+start, size );
	else
	return StringRef();
	}
	auto StringRef::operator == ( StringRef const& other ) const noexcept -> bool {
	return
	size() == other.size() &&
	(std::strncmp( m_start, other.m_start, size() ) == 0);
	}
	auto StringRef::operator != ( StringRef const& other ) const noexcept -> bool {
	return !operator==( other );
	}

	auto StringRef::operator[](size_type index) const noexcept -> char {
	return m_start[index];
	}

	auto StringRef::empty() const noexcept -> bool {
	return m_size == 0;
	}

	auto StringRef::size() const noexcept -> size_type {
	return m_size;
	}
	auto StringRef::numberOfCharacters() const noexcept -> size_type {
	size_type noChars = m_size;
	// Make adjustments for uft encodings
	for( size_type i=0; i < m_size; ++i ) {
	char c = m_start[i];
	if( ( c & 0b11000000 ) == 0b11000000 ) {
	if( ( c & 0b11100000 ) == 0b11000000 )
	noChars--;
	else if( ( c & 0b11110000 ) == 0b11100000 )
	noChars-=2;
	else if( ( c & 0b11111000 ) == 0b11110000 )
	noChars-=3;
	}
	}
	return noChars;
	}

	auto operator + ( StringRef const& lhs, StringRef const& rhs ) -> std::string {
	std::string str;
	str.reserve( lhs.size() + rhs.size() );
	str += lhs;
	str += rhs;
	return str;
	}
	auto operator + ( StringRef const& lhs, const char* rhs ) -> std::string {
	return std::string( lhs ) + std::string( rhs );
	}
	auto operator + ( char const* lhs, StringRef const& rhs ) -> std::string {
	return std::string( lhs ) + std::string( rhs );
	}

	auto operator << ( std::ostream& os, StringRef const& str ) -> std::ostream& {
	return os << str.c_str();
	}

	} // namespace Catch

	#if defined(__clang__)
	# pragma clang diagnostic pop
	#endif
	// end catch_stringref.cpp
	// start catch_tag_alias.cpp

	namespace Catch {
	TagAlias::TagAlias(std::string const & _tag, SourceLineInfo _lineInfo): tag(_tag), lineInfo(_lineInfo) {}
	}
	// end catch_tag_alias.cpp
	// start catch_tag_alias_autoregistrar.cpp

	namespace Catch {

	RegistrarForTagAliases::RegistrarForTagAliases(char const* alias, char const* tag, SourceLineInfo const& lineInfo) {
	try {
	getMutableRegistryHub().registerTagAlias(alias, tag, lineInfo);
	} catch (...) {
	// Do not throw when constructing global objects, instead register the exception to be processed later
	getMutableRegistryHub().registerStartupException();
	}
	}

	}
	// end catch_tag_alias_autoregistrar.cpp
	// start catch_tag_alias_registry.cpp

	namespace Catch {

	TagAliasRegistry::~TagAliasRegistry() {}

	TagAlias const* TagAliasRegistry::find( std::string const& alias ) const {
	auto it = m_registry.find( alias );
	if( it != m_registry.end() )
	return &(it->second);
	else
	return nullptr;
	}

	std::string TagAliasRegistry::expandAliases( std::string const& unexpandedTestSpec ) const {
	std::string expandedTestSpec = unexpandedTestSpec;
	for( auto const& registryKvp : m_registry ) {
	std::size_t pos = expandedTestSpec.find( registryKvp.first );
	if( pos != std::string::npos ) {
	expandedTestSpec = expandedTestSpec.substr( 0, pos ) +
	registryKvp.second.tag +
	expandedTestSpec.substr( pos + registryKvp.first.size() );
	}
	}
	return expandedTestSpec;
	}

	void TagAliasRegistry::add( std::string const& alias, std::string const& tag, SourceLineInfo const& lineInfo ) {
	CATCH_ENFORCE( startsWith(alias, "[@") && endsWith(alias, ']'),
	"error: tag alias, '" << alias << "' is not of the form [@alias name].\n" << lineInfo );

	CATCH_ENFORCE( m_registry.insert(std::make_pair(alias, TagAlias(tag, lineInfo))).second,
	"error: tag alias, '" << alias << "' already registered.\n"
	<< "\tFirst seen at: " << find(alias)->lineInfo << "\n"
	<< "\tRedefined at: " << lineInfo );
	}

	ITagAliasRegistry::~ITagAliasRegistry() {}

	ITagAliasRegistry const& ITagAliasRegistry::get() {
	return getRegistryHub().getTagAliasRegistry();
	}

	} // end namespace Catch
	// end catch_tag_alias_registry.cpp
	// start catch_test_case_info.cpp

	#include <cctype>
	#include <exception>
	#include <algorithm>

	namespace Catch {

	TestCaseInfo::SpecialProperties parseSpecialTag( std::string const& tag ) {
	if( startsWith( tag, '.' ) \|\|
	tag == "!hide" )
	return TestCaseInfo::IsHidden;
	else if( tag == "!throws" )
	return TestCaseInfo::Throws;
	else if( tag == "!shouldfail" )
	return TestCaseInfo::ShouldFail;
	else if( tag == "!mayfail" )
	return TestCaseInfo::MayFail;
	else if( tag == "!nonportable" )
	return TestCaseInfo::NonPortable;
	else if( tag == "!benchmark" )
	return static_cast<TestCaseInfo::SpecialProperties>( TestCaseInfo::Benchmark \| TestCaseInfo::IsHidden );
	else
	return TestCaseInfo::None;
	}
	bool isReservedTag( std::string const& tag ) {
	return parseSpecialTag( tag ) == TestCaseInfo::None && tag.size() > 0 && !std::isalnum( tag[0] );
	}
	void enforceNotReservedTag( std::string const& tag, SourceLineInfo const& _lineInfo ) {
	CATCH_ENFORCE( !isReservedTag(tag),
	"Tag name: [" << tag << "] is not allowed.\n"
	<< "Tag names starting with non alpha-numeric characters are reserved\n"
	<< _lineInfo );
	}

	TestCase makeTestCase( ITestInvoker* _testCase,
	std::string const& _className,
	std::string const& _name,
	std::string const& _descOrTags,
	SourceLineInfo const& _lineInfo )
	{
	bool isHidden = false;

	// Parse out tags
	std::vector<std::string> tags;
	std::string desc, tag;
	bool inTag = false;
	for (char c : _descOrTags) {
	if( !inTag ) {
	if( c == '[' )
	inTag = true;
	else
	desc += c;
	}
	else {
	if( c == ']' ) {
	TestCaseInfo::SpecialProperties prop = parseSpecialTag( tag );
	if( ( prop & TestCaseInfo::IsHidden ) != 0 )
	isHidden = true;
	else if( prop == TestCaseInfo::None )
	enforceNotReservedTag( tag, _lineInfo );

	tags.push_back( tag );
	tag.clear();
	inTag = false;
	}
	else
	tag += c;
	}
	}
	if( isHidden ) {
	tags.push_back( "." );
	}

	TestCaseInfo info( _name, _className, desc, tags, _lineInfo );
	return TestCase( _testCase, info );
	}

	void setTags( TestCaseInfo& testCaseInfo, std::vector<std::string> tags ) {
	std::sort(begin(tags), end(tags));
	tags.erase(std::unique(begin(tags), end(tags)), end(tags));
	testCaseInfo.lcaseTags.clear();

	for( auto const& tag : tags ) {
	std::string lcaseTag = toLower( tag );
	testCaseInfo.properties = static_cast<TestCaseInfo::SpecialProperties>( testCaseInfo.properties \| parseSpecialTag( lcaseTag ) );
	testCaseInfo.lcaseTags.push_back( lcaseTag );
	}
	testCaseInfo.tags = std::move(tags);
	}

	TestCaseInfo::TestCaseInfo( std::string const& _name,
	std::string const& _className,
	std::string const& _description,
	std::vector<std::string> const& _tags,
	SourceLineInfo const& _lineInfo )
	: name( _name ),
	className( _className ),
	description( _description ),
	lineInfo( _lineInfo ),
	properties( None )
	{
	setTags( *this, _tags );
	}

	bool TestCaseInfo::isHidden() const {
	return ( properties & IsHidden ) != 0;
	}
	bool TestCaseInfo::throws() const {
	return ( properties & Throws ) != 0;
	}
	bool TestCaseInfo::okToFail() const {
	return ( properties & (ShouldFail \| MayFail ) ) != 0;
	}
	bool TestCaseInfo::expectedToFail() const {
	return ( properties & (ShouldFail ) ) != 0;
	}

	std::string TestCaseInfo::tagsAsString() const {
	std::string ret;
	// '[' and ']' per tag
	std::size_t full_size = 2 * tags.size();
	for (const auto& tag : tags) {
	full_size += tag.size();
	}
	ret.reserve(full_size);
	for (const auto& tag : tags) {
	ret.push_back('[');
	ret.append(tag);
	ret.push_back(']');
	}

	return ret;
	}

	TestCase::TestCase( ITestInvoker* testCase, TestCaseInfo const& info ) : TestCaseInfo( info ), test( testCase ) {}

	TestCase TestCase::withName( std::string const& _newName ) const {
	TestCase other( *this );
	other.name = _newName;
	return other;
	}

	void TestCase::invoke() const {
	test->invoke();
	}

	bool TestCase::operator == ( TestCase const& other ) const {
	return test.get() == other.test.get() &&
	name == other.name &&
	className == other.className;
	}

	bool TestCase::operator < ( TestCase const& other ) const {
	return name < other.name;
	}

	TestCaseInfo const& TestCase::getTestCaseInfo() const
	{
	return *this;
	}

	} // end namespace Catch
	// end catch_test_case_info.cpp
	// start catch_test_case_registry_impl.cpp

	#include <sstream>

	namespace Catch {

	std::vector<TestCase> sortTests( IConfig const& config, std::vector<TestCase> const& unsortedTestCases ) {

	std::vector<TestCase> sorted = unsortedTestCases;

	switch( config.runOrder() ) {
	case RunTests::InLexicographicalOrder:
	std::sort( sorted.begin(), sorted.end() );
	break;
	case RunTests::InRandomOrder:
	seedRng( config );
	RandomNumberGenerator::shuffle( sorted );
	break;
	case RunTests::InDeclarationOrder:
	// already in declaration order
	break;
	}
	return sorted;
	}
	bool matchTest( TestCase const& testCase, TestSpec const& testSpec, IConfig const& config ) {
	return testSpec.matches( testCase ) && ( config.allowThrows() \|\| !testCase.throws() );
	}

	void enforceNoDuplicateTestCases( std::vector<TestCase> const& functions ) {
	std::set<TestCase> seenFunctions;
	for( auto const& function : functions ) {
	auto prev = seenFunctions.insert( function );
	CATCH_ENFORCE( prev.second,
	"error: TEST_CASE( \"" << function.name << "\" ) already defined.\n"
	<< "\tFirst seen at " << prev.first->getTestCaseInfo().lineInfo << "\n"
	<< "\tRedefined at " << function.getTestCaseInfo().lineInfo );
	}
	}

	std::vector<TestCase> filterTests( std::vector<TestCase> const& testCases, TestSpec const& testSpec, IConfig const& config ) {
	std::vector<TestCase> filtered;
	filtered.reserve( testCases.size() );
	for( auto const& testCase : testCases )
	if( matchTest( testCase, testSpec, config ) )
	filtered.push_back( testCase );
	return filtered;
	}
	std::vector<TestCase> const& getAllTestCasesSorted( IConfig const& config ) {
	return getRegistryHub().getTestCaseRegistry().getAllTestsSorted( config );
	}

	void TestRegistry::registerTest( TestCase const& testCase ) {
	std::string name = testCase.getTestCaseInfo().name;
	if( name.empty() ) {
	std::ostringstream oss;
	oss << "Anonymous test case " << ++m_unnamedCount;
	return registerTest( testCase.withName( oss.str() ) );
	}
	m_functions.push_back( testCase );
	}

	std::vector<TestCase> const& TestRegistry::getAllTests() const {
	return m_functions;
	}
	std::vector<TestCase> const& TestRegistry::getAllTestsSorted( IConfig const& config ) const {
	if( m_sortedFunctions.empty() )
	enforceNoDuplicateTestCases( m_functions );

	if( m_currentSortOrder != config.runOrder() \|\| m_sortedFunctions.empty() ) {
	m_sortedFunctions = sortTests( config, m_functions );
	m_currentSortOrder = config.runOrder();
	}
	return m_sortedFunctions;
	}

	///////////////////////////////////////////////////////////////////////////
	TestInvokerAsFunction::TestInvokerAsFunction( void(*testAsFunction)() ) noexcept : m_testAsFunction( testAsFunction ) {}

	void TestInvokerAsFunction::invoke() const {
	m_testAsFunction();
	}

	std::string extractClassName( std::string const& classOrQualifiedMethodName ) {
	std::string className = classOrQualifiedMethodName;
	if( startsWith( className, '&' ) )
	{
	std::size_t lastColons = className.rfind( "::" );
	std::size_t penultimateColons = className.rfind( "::", lastColons-1 );
	if( penultimateColons == std::string::npos )
	penultimateColons = 1;
	className = className.substr( penultimateColons, lastColons-penultimateColons );
	}
	return className;
	}

	} // end namespace Catch
	// end catch_test_case_registry_impl.cpp
	// start catch_test_case_tracker.cpp

	#include <algorithm>
	#include <assert.h>
	#include <stdexcept>
	#include <memory>

	#if defined(__clang__)
	# pragma clang diagnostic push
	# pragma clang diagnostic ignored "-Wexit-time-destructors"
	#endif

	namespace Catch {
	namespace TestCaseTracking {

	NameAndLocation::NameAndLocation( std::string const& _name, SourceLineInfo const& _location )
	: name( _name ),
	location( _location )
	{}

	ITracker::~ITracker() = default;

	TrackerContext& TrackerContext::instance() {
	static TrackerContext s_instance;
	return s_instance;
	}

	ITracker& TrackerContext::startRun() {
	m_rootTracker = std::make_shared<SectionTracker>( NameAndLocation( "{root}", CATCH_INTERNAL_LINEINFO ), *this, nullptr );
	m_currentTracker = nullptr;
	m_runState = Executing;
	return *m_rootTracker;
	}

	void TrackerContext::endRun() {
	m_rootTracker.reset();
	m_currentTracker = nullptr;
	m_runState = NotStarted;
	}

	void TrackerContext::startCycle() {
	m_currentTracker = m_rootTracker.get();
	m_runState = Executing;
	}
	void TrackerContext::completeCycle() {
	m_runState = CompletedCycle;
	}

	bool TrackerContext::completedCycle() const {
	return m_runState == CompletedCycle;
	}
	ITracker& TrackerContext::currentTracker() {
	return *m_currentTracker;
	}
	void TrackerContext::setCurrentTracker( ITracker* tracker ) {
	m_currentTracker = tracker;
	}

	TrackerBase::TrackerHasName::TrackerHasName( NameAndLocation const& nameAndLocation ) : m_nameAndLocation( nameAndLocation ) {}
	bool TrackerBase::TrackerHasName::operator ()( ITrackerPtr const& tracker ) const {
	return
	tracker->nameAndLocation().name == m_nameAndLocation.name &&
	tracker->nameAndLocation().location == m_nameAndLocation.location;
	}

	TrackerBase::TrackerBase( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent )
	: m_nameAndLocation( nameAndLocation ),
	m_ctx( ctx ),
	m_parent( parent )
	{}

	NameAndLocation const& TrackerBase::nameAndLocation() const {
	return m_nameAndLocation;
	}
	bool TrackerBase::isComplete() const {
	return m_runState == CompletedSuccessfully \|\| m_runState == Failed;
	}
	bool TrackerBase::isSuccessfullyCompleted() const {
	return m_runState == CompletedSuccessfully;
	}
	bool TrackerBase::isOpen() const {
	return m_runState != NotStarted && !isComplete();
	}
	bool TrackerBase::hasChildren() const {
	return !m_children.empty();
	}

	void TrackerBase::addChild( ITrackerPtr const& child ) {
	m_children.push_back( child );
	}

	ITrackerPtr TrackerBase::findChild( NameAndLocation const& nameAndLocation ) {
	auto it = std::find_if( m_children.begin(), m_children.end(), TrackerHasName( nameAndLocation ) );
	return( it != m_children.end() )
	? *it
	: nullptr;
	}
	ITracker& TrackerBase::parent() {
	assert( m_parent ); // Should always be non-null except for root
	return *m_parent;
	}

	void TrackerBase::openChild() {
	if( m_runState != ExecutingChildren ) {
	m_runState = ExecutingChildren;
	if( m_parent )
	m_parent->openChild();
	}
	}

	bool TrackerBase::isSectionTracker() const { return false; }
	bool TrackerBase::isIndexTracker() const { return false; }

	void TrackerBase::open() {
	m_runState = Executing;
	moveToThis();
	if( m_parent )
	m_parent->openChild();
	}

	void TrackerBase::close() {

	// Close any still open children (e.g. generators)
	while( &m_ctx.currentTracker() != this )
	m_ctx.currentTracker().close();

	switch( m_runState ) {
	case NeedsAnotherRun:
	break;

	case Executing:
	m_runState = CompletedSuccessfully;
	break;
	case ExecutingChildren:
	if( m_children.empty() \|\| m_children.back()->isComplete() )
	m_runState = CompletedSuccessfully;
	break;

	case NotStarted:
	case CompletedSuccessfully:
	case Failed:
	CATCH_INTERNAL_ERROR( "Illogical state: " << m_runState );

	default:
	CATCH_INTERNAL_ERROR( "Unknown state: " << m_runState );
	}
	moveToParent();
	m_ctx.completeCycle();
	}
	void TrackerBase::fail() {
	m_runState = Failed;
	if( m_parent )
	m_parent->markAsNeedingAnotherRun();
	moveToParent();
	m_ctx.completeCycle();
	}
	void TrackerBase::markAsNeedingAnotherRun() {
	m_runState = NeedsAnotherRun;
	}

	void TrackerBase::moveToParent() {
	assert( m_parent );
	m_ctx.setCurrentTracker( m_parent );
	}
	void TrackerBase::moveToThis() {
	m_ctx.setCurrentTracker( this );
	}

	SectionTracker::SectionTracker( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent )
	: TrackerBase( nameAndLocation, ctx, parent )
	{
	if( parent ) {
	while( !parent->isSectionTracker() )
	parent = &parent->parent();

	SectionTracker& parentSection = static_cast<SectionTracker&>( *parent );
	addNextFilters( parentSection.m_filters );
	}
	}

	bool SectionTracker::isSectionTracker() const { return true; }

	SectionTracker& SectionTracker::acquire( TrackerContext& ctx, NameAndLocation const& nameAndLocation ) {
	std::shared_ptr<SectionTracker> section;

	ITracker& currentTracker = ctx.currentTracker();
	if( ITrackerPtr childTracker = currentTracker.findChild( nameAndLocation ) ) {
	assert( childTracker );
	assert( childTracker->isSectionTracker() );
	section = std::static_pointer_cast<SectionTracker>( childTracker );
	}
	else {
	section = std::make_shared<SectionTracker>( nameAndLocation, ctx, &currentTracker );
	currentTracker.addChild( section );
	}
	if( !ctx.completedCycle() )
	section->tryOpen();
	return *section;
	}

	void SectionTracker::tryOpen() {
	if( !isComplete() && (m_filters.empty() \|\| m_filters[0].empty() \|\| m_filters[0] == m_nameAndLocation.name ) )
	open();
	}

	void SectionTracker::addInitialFilters( std::vector<std::string> const& filters ) {
	if( !filters.empty() ) {
	m_filters.push_back(""); // Root - should never be consulted
	m_filters.push_back(""); // Test Case - not a section filter
	m_filters.insert( m_filters.end(), filters.begin(), filters.end() );
	}
	}
	void SectionTracker::addNextFilters( std::vector<std::string> const& filters ) {
	if( filters.size() > 1 )
	m_filters.insert( m_filters.end(), ++filters.begin(), filters.end() );
	}

	IndexTracker::IndexTracker( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent, int size )
	: TrackerBase( nameAndLocation, ctx, parent ),
	m_size( size )
	{}

	bool IndexTracker::isIndexTracker() const { return true; }

	IndexTracker& IndexTracker::acquire( TrackerContext& ctx, NameAndLocation const& nameAndLocation, int size ) {
	std::shared_ptr<IndexTracker> tracker;

	ITracker& currentTracker = ctx.currentTracker();
	if( ITrackerPtr childTracker = currentTracker.findChild( nameAndLocation ) ) {
	assert( childTracker );
	assert( childTracker->isIndexTracker() );
	tracker = std::static_pointer_cast<IndexTracker>( childTracker );
	}
	else {
	tracker = std::make_shared<IndexTracker>( nameAndLocation, ctx, &currentTracker, size );
	currentTracker.addChild( tracker );
	}

	if( !ctx.completedCycle() && !tracker->isComplete() ) {
	if( tracker->m_runState != ExecutingChildren && tracker->m_runState != NeedsAnotherRun )
	tracker->moveNext();
	tracker->open();
	}

	return *tracker;
	}

	int IndexTracker::index() const { return m_index; }

	void IndexTracker::moveNext() {
	m_index++;
	m_children.clear();
	}

	void IndexTracker::close() {
	TrackerBase::close();
	if( m_runState == CompletedSuccessfully && m_index < m_size-1 )
	m_runState = Executing;
	}

	} // namespace TestCaseTracking

	using TestCaseTracking::ITracker;
	using TestCaseTracking::TrackerContext;
	using TestCaseTracking::SectionTracker;
	using TestCaseTracking::IndexTracker;

	} // namespace Catch

	#if defined(__clang__)
	# pragma clang diagnostic pop
	#endif
	// end catch_test_case_tracker.cpp
	// start catch_test_registry.cpp

	namespace Catch {

	auto makeTestInvoker( void(testAsFunction)() ) noexcept -> ITestInvoker {
	return new(std::nothrow) TestInvokerAsFunction( testAsFunction );
	}

	NameAndTags::NameAndTags( StringRef name_ , StringRef tags_ ) noexcept : name( name_ ), tags( tags_ ) {}

	AutoReg::AutoReg( ITestInvoker* invoker, SourceLineInfo const& lineInfo, StringRef classOrMethod, NameAndTags const& nameAndTags ) noexcept {
	try {
	getMutableRegistryHub()
	.registerTest(
	makeTestCase(
	invoker,
	extractClassName( classOrMethod ),
	nameAndTags.name,
	nameAndTags.tags,
	lineInfo));
	} catch (...) {
	// Do not throw when constructing global objects, instead register the exception to be processed later
	getMutableRegistryHub().registerStartupException();
	}
	}

	AutoReg::~AutoReg() = default;
	}
	// end catch_test_registry.cpp
	// start catch_test_spec.cpp

	#include <algorithm>
	#include <string>
	#include <vector>
	#include <memory>

	namespace Catch {

	TestSpec::Pattern::~Pattern() = default;
	TestSpec::NamePattern::~NamePattern() = default;
	TestSpec::TagPattern::~TagPattern() = default;
	TestSpec::ExcludedPattern::~ExcludedPattern() = default;

	TestSpec::NamePattern::NamePattern( std::string const& name )
	: m_wildcardPattern( toLower( name ), CaseSensitive::No )
	{}
	bool TestSpec::NamePattern::matches( TestCaseInfo const& testCase ) const {
	return m_wildcardPattern.matches( toLower( testCase.name ) );
	}

	TestSpec::TagPattern::TagPattern( std::string const& tag ) : m_tag( toLower( tag ) ) {}
	bool TestSpec::TagPattern::matches( TestCaseInfo const& testCase ) const {
	return std::find(begin(testCase.lcaseTags),
	end(testCase.lcaseTags),
	m_tag) != end(testCase.lcaseTags);
	}

	TestSpec::ExcludedPattern::ExcludedPattern( PatternPtr const& underlyingPattern ) : m_underlyingPattern( underlyingPattern ) {}
	bool TestSpec::ExcludedPattern::matches( TestCaseInfo const& testCase ) const { return !m_underlyingPattern->matches( testCase ); }

	bool TestSpec::Filter::matches( TestCaseInfo const& testCase ) const {
	// All patterns in a filter must match for the filter to be a match
	for( auto const& pattern : m_patterns ) {
	if( !pattern->matches( testCase ) )
	return false;
	}
	return true;
	}

	bool TestSpec::hasFilters() const {
	return !m_filters.empty();
	}
	bool TestSpec::matches( TestCaseInfo const& testCase ) const {
	// A TestSpec matches if any filter matches
	for( auto const& filter : m_filters )
	if( filter.matches( testCase ) )
	return true;
	return false;
	}
	}
	// end catch_test_spec.cpp
	// start catch_test_spec_parser.cpp

	namespace Catch {

	TestSpecParser::TestSpecParser( ITagAliasRegistry const& tagAliases ) : m_tagAliases( &tagAliases ) {}

	TestSpecParser& TestSpecParser::parse( std::string const& arg ) {
	m_mode = None;
	m_exclusion = false;
	m_start = std::string::npos;
	m_arg = m_tagAliases->expandAliases( arg );
	m_escapeChars.clear();
	for( m_pos = 0; m_pos < m_arg.size(); ++m_pos )
	visitChar( m_arg[m_pos] );
	if( m_mode == Name )
	addPattern<TestSpec::NamePattern>();
	return *this;
	}
	TestSpec TestSpecParser::testSpec() {
	addFilter();
	return m_testSpec;
	}

	void TestSpecParser::visitChar( char c ) {
	if( m_mode == None ) {
	switch( c ) {
	case ' ': return;
	case '~': m_exclusion = true; return;
	case '[': return startNewMode( Tag, ++m_pos );
	case '"': return startNewMode( QuotedName, ++m_pos );
	case '\\': return escape();
	default: startNewMode( Name, m_pos ); break;
	}
	}
	if( m_mode == Name ) {
	if( c == ',' ) {
	addPattern<TestSpec::NamePattern>();
	addFilter();
	}
	else if( c == '[' ) {
	if( subString() == "exclude:" )
	m_exclusion = true;
	else
	addPattern<TestSpec::NamePattern>();
	startNewMode( Tag, ++m_pos );
	}
	else if( c == '\\' )
	escape();
	}
	else if( m_mode == EscapedName )
	m_mode = Name;
	else if( m_mode == QuotedName && c == '"' )
	addPattern<TestSpec::NamePattern>();
	else if( m_mode == Tag && c == ']' )
	addPattern<TestSpec::TagPattern>();
	}
	void TestSpecParser::startNewMode( Mode mode, std::size_t start ) {
	m_mode = mode;
	m_start = start;
	}
	void TestSpecParser::escape() {
	if( m_mode == None )
	m_start = m_pos;
	m_mode = EscapedName;
	m_escapeChars.push_back( m_pos );
	}
	std::string TestSpecParser::subString() const { return m_arg.substr( m_start, m_pos - m_start ); }

	void TestSpecParser::addFilter() {
	if( !m_currentFilter.m_patterns.empty() ) {
	m_testSpec.m_filters.push_back( m_currentFilter );
	m_currentFilter = TestSpec::Filter();
	}
	}

	TestSpec parseTestSpec( std::string const& arg ) {
	return TestSpecParser( ITagAliasRegistry::get() ).parse( arg ).testSpec();
	}

	} // namespace Catch
	// end catch_test_spec_parser.cpp
	// start catch_timer.cpp

	#include <chrono>

	namespace Catch {

	auto getCurrentNanosecondsSinceEpoch() -> uint64_t {
	return std::chrono::duration_cast<std::chrono::nanoseconds>( std::chrono::high_resolution_clock::now().time_since_epoch() ).count();
	}

	auto estimateClockResolution() -> uint64_t {
	uint64_t sum = 0;
	static const uint64_t iterations = 1000000;

	for( std::size_t i = 0; i < iterations; ++i ) {

	uint64_t ticks;
	uint64_t baseTicks = getCurrentNanosecondsSinceEpoch();
	do {
	ticks = getCurrentNanosecondsSinceEpoch();
	}
	while( ticks == baseTicks );

	auto delta = ticks - baseTicks;
	sum += delta;
	}

	// We're just taking the mean, here. To do better we could take the std. dev and exclude outliers
	// - and potentially do more iterations if there's a high variance.
	return sum/iterations;
	}
	auto getEstimatedClockResolution() -> uint64_t {
	static auto s_resolution = estimateClockResolution();
	return s_resolution;
	}

	void Timer::start() {
	m_nanoseconds = getCurrentNanosecondsSinceEpoch();
	}
	auto Timer::getElapsedNanoseconds() const -> unsigned int {
	return static_cast<unsigned int>(getCurrentNanosecondsSinceEpoch() - m_nanoseconds);
	}
	auto Timer::getElapsedMicroseconds() const -> unsigned int {
	return static_cast<unsigned int>(getElapsedNanoseconds()/1000);
	}
	auto Timer::getElapsedMilliseconds() const -> unsigned int {
	return static_cast<unsigned int>(getElapsedMicroseconds()/1000);
	}
	auto Timer::getElapsedSeconds() const -> double {
	return getElapsedMicroseconds()/1000000.0;
	}

	} // namespace Catch
	// end catch_timer.cpp
	// start catch_tostring.cpp

	#if defined(__clang__)
	# pragma clang diagnostic push
	# pragma clang diagnostic ignored "-Wexit-time-destructors"
	# pragma clang diagnostic ignored "-Wglobal-constructors"
	#endif

	#include <iomanip>

	namespace Catch {

	namespace Detail {

	const std::string unprintableString = "{?}";

	namespace {
	const int hexThreshold = 255;

	struct Endianness {
	enum Arch { Big, Little };

	static Arch which() {
	union _{
	int asInt;
	char asChar[sizeof (int)];
	} u;

	u.asInt = 1;
	return ( u.asChar[sizeof(int)-1] == 1 ) ? Big : Little;
	}
	};
	}

	std::string rawMemoryToString( const void *object, std::size_t size ) {
	// Reverse order for little endian architectures
	int i = 0, end = static_cast<int>( size ), inc = 1;
	if( Endianness::which() == Endianness::Little ) {
	i = end-1;
	end = inc = -1;
	}

	unsigned char const bytes = static_cast<unsigned char const >(object);
	std::ostringstream os;
	os << "0x" << std::setfill('0') << std::hex;
	for( ; i != end; i += inc )
	os << std::setw(2) << static_cast<unsigned>(bytes[i]);
	return os.str();
	}
	}

	template<typename T>
	std::string fpToString( T value, int precision ) {
	std::ostringstream oss;
	oss << std::setprecision( precision )
	<< std::fixed
	<< value;
	std::string d = oss.str();
	std::size_t i = d.find_last_not_of( '0' );
	if( i != std::string::npos && i != d.size()-1 ) {
	if( d[i] == '.' )
	i++;
	d = d.substr( 0, i+1 );
	}
	return d;
	}

	//// ======================================================= ////
	//
	// Out-of-line defs for full specialization of StringMaker
	//
	//// ======================================================= ////

	std::string StringMaker<std::string>::convert(const std::string& str) {
	if (!getCurrentContext().getConfig()->showInvisibles()) {
	return '"' + str + '"';
	}

	std::string s("\"");
	for (char c : str) {
	switch (c) {
	case '\n':
	s.append("\\n");
	break;
	case '\t':
	s.append("\\t");
	break;
	default:
	s.push_back(c);
	break;
	}
	}
	s.append("\"");
	return s;
	}

	std::string StringMaker<std::wstring>::convert(const std::wstring& wstr) {
	std::string s;
	s.reserve(wstr.size());
	for (auto c : wstr) {
	s += (c <= 0xff) ? static_cast<char>(c) : '?';
	}
	return ::Catch::Detail::stringify(s);
	}

	std::string StringMaker<char const>::convert(char const str) {
	if (str) {
	return ::Catch::Detail::stringify(std::string{ str });
	} else {
	return{ "{null string}" };
	}
	}
	std::string StringMaker<char>::convert(char str) {
	if (str) {
	return ::Catch::Detail::stringify(std::string{ str });
	} else {
	return{ "{null string}" };
	}
	}
	std::string StringMaker<wchar_t const>::convert(wchar_t const str) {
	if (str) {
	return ::Catch::Detail::stringify(std::wstring{ str });
	} else {
	return{ "{null string}" };
	}
	}
	std::string StringMaker<wchar_t >::convert(wchar_t str) {
	if (str) {
	return ::Catch::Detail::stringify(std::wstring{ str });
	} else {
	return{ "{null string}" };
	}
	}

	std::string StringMaker<int>::convert(int value) {
	return ::Catch::Detail::stringify(static_cast<long long>(value));
	}
	std::string StringMaker<long>::convert(long value) {
	return ::Catch::Detail::stringify(static_cast<long long>(value));
	}
	std::string StringMaker<long long>::convert(long long value) {
	std::ostringstream oss;
	oss << value;
	if (value > Detail::hexThreshold) {
	oss << " (0x" << std::hex << value << ')';
	}
	return oss.str();
	}

	std::string StringMaker<unsigned int>::convert(unsigned int value) {
	return ::Catch::Detail::stringify(static_cast<unsigned long long>(value));
	}
	std::string StringMaker<unsigned long>::convert(unsigned long value) {
	return ::Catch::Detail::stringify(static_cast<unsigned long long>(value));
	}
	std::string StringMaker<unsigned long long>::convert(unsigned long long value) {
	std::ostringstream oss;
	oss << value;
	if (value > Detail::hexThreshold) {
	oss << " (0x" << std::hex << value << ')';
	}
	return oss.str();
	}

	std::string StringMaker<bool>::convert(bool b) {
	return b ? "true" : "false";
	}

	std::string StringMaker<char>::convert(char value) {
	if (value == '\r') {
	return "'\\r'";
	} else if (value == '\f') {
	return "'\\f'";
	} else if (value == '\n') {
	return "'\\n'";
	} else if (value == '\t') {
	return "'\\t'";
	} else if ('\0' <= value && value < ' ') {
	return ::Catch::Detail::stringify(static_cast<unsigned int>(value));
	} else {
	char chstr[] = "' '";
	chstr[1] = value;
	return chstr;
	}
	}
	std::string StringMaker<signed char>::convert(signed char c) {
	return ::Catch::Detail::stringify(static_cast<char>(c));
	}
	std::string StringMaker<unsigned char>::convert(unsigned char c) {
	return ::Catch::Detail::stringify(static_cast<char>(c));
	}

	std::string StringMaker<std::nullptr_t>::convert(std::nullptr_t) {
	return "nullptr";
	}

	std::string StringMaker<float>::convert(float value) {
	return fpToString(value, 5) + 'f';
	}
	std::string StringMaker<double>::convert(double value) {
	return fpToString(value, 10);
	}

	} // end namespace Catch

	#if defined(__clang__)
	# pragma clang diagnostic pop
	#endif

	// end catch_tostring.cpp
	// start catch_totals.cpp

	namespace Catch {

	Counts Counts::operator - ( Counts const& other ) const {
	Counts diff;
	diff.passed = passed - other.passed;
	diff.failed = failed - other.failed;
	diff.failedButOk = failedButOk - other.failedButOk;
	return diff;
	}

	Counts& Counts::operator += ( Counts const& other ) {
	passed += other.passed;
	failed += other.failed;
	failedButOk += other.failedButOk;
	return *this;
	}

	std::size_t Counts::total() const {
	return passed + failed + failedButOk;
	}
	bool Counts::allPassed() const {
	return failed == 0 && failedButOk == 0;
	}
	bool Counts::allOk() const {
	return failed == 0;
	}

	Totals Totals::operator - ( Totals const& other ) const {
	Totals diff;
	diff.assertions = assertions - other.assertions;
	diff.testCases = testCases - other.testCases;
	return diff;
	}

	Totals& Totals::operator += ( Totals const& other ) {
	assertions += other.assertions;
	testCases += other.testCases;
	return *this;
	}

	Totals Totals::delta( Totals const& prevTotals ) const {
	Totals diff = *this - prevTotals;
	if( diff.assertions.failed > 0 )
	++diff.testCases.failed;
	else if( diff.assertions.failedButOk > 0 )
	++diff.testCases.failedButOk;
	else
	++diff.testCases.passed;
	return diff;
	}

	}
	// end catch_totals.cpp
	// start catch_version.cpp

	#include <ostream>

	namespace Catch {

	Version::Version
	( unsigned int _majorVersion,
	unsigned int _minorVersion,
	unsigned int _patchNumber,
	char const * const _branchName,
	unsigned int _buildNumber )
	: majorVersion( _majorVersion ),
	minorVersion( _minorVersion ),
	patchNumber( _patchNumber ),
	branchName( _branchName ),
	buildNumber( _buildNumber )
	{}

	std::ostream& operator << ( std::ostream& os, Version const& version ) {
	os << version.majorVersion << '.'
	<< version.minorVersion << '.'
	<< version.patchNumber;
	// branchName is never null -> 0th char is \0 if it is empty
	if (version.branchName[0]) {
	os << '-' << version.branchName
	<< '.' << version.buildNumber;
	}
	return os;
	}

	Version const& libraryVersion() {
	static Version version( 2, 0, 1, "", 0 );
	return version;
	}

	}
	// end catch_version.cpp
	// start catch_wildcard_pattern.cpp

	namespace Catch {

	WildcardPattern::WildcardPattern( std::string const& pattern,
	CaseSensitive::Choice caseSensitivity )
	: m_caseSensitivity( caseSensitivity ),
	m_pattern( adjustCase( pattern ) )
	{
	if( startsWith( m_pattern, '*' ) ) {
	m_pattern = m_pattern.substr( 1 );
	m_wildcard = WildcardAtStart;
	}
	if( endsWith( m_pattern, '*' ) ) {
	m_pattern = m_pattern.substr( 0, m_pattern.size()-1 );
	m_wildcard = static_cast<WildcardPosition>( m_wildcard \| WildcardAtEnd );
	}
	}

	bool WildcardPattern::matches( std::string const& str ) const {
	switch( m_wildcard ) {
	case NoWildcard:
	return m_pattern == adjustCase( str );
	case WildcardAtStart:
	return endsWith( adjustCase( str ), m_pattern );
	case WildcardAtEnd:
	return startsWith( adjustCase( str ), m_pattern );
	case WildcardAtBothEnds:
	return contains( adjustCase( str ), m_pattern );
	default:
	CATCH_INTERNAL_ERROR( "Unknown enum" );
	}
	}

	std::string WildcardPattern::adjustCase( std::string const& str ) const {
	return m_caseSensitivity == CaseSensitive::No ? toLower( str ) : str;
	}
	}
	// end catch_wildcard_pattern.cpp
	// start catch_xmlwriter.cpp

	// start catch_xmlwriter.h

	#include <sstream>
	#include <vector>

	namespace Catch {

	class XmlEncode {
	public:
	enum ForWhat { ForTextNodes, ForAttributes };

	XmlEncode( std::string const& str, ForWhat forWhat = ForTextNodes );

	void encodeTo( std::ostream& os ) const;

	friend std::ostream& operator << ( std::ostream& os, XmlEncode const& xmlEncode );

	private:
	std::string m_str;
	ForWhat m_forWhat;
	};

	class XmlWriter {
	public:

	class ScopedElement {
	public:
	ScopedElement( XmlWriter* writer );

	ScopedElement( ScopedElement&& other ) noexcept;
	ScopedElement& operator=( ScopedElement&& other ) noexcept;

	~ScopedElement();

	ScopedElement& writeText( std::string const& text, bool indent = true );

	template<typename T>
	ScopedElement& writeAttribute( std::string const& name, T const& attribute ) {
	m_writer->writeAttribute( name, attribute );
	return *this;
	}

	private:
	mutable XmlWriter* m_writer = nullptr;
	};

	XmlWriter( std::ostream& os = Catch::cout() );
	~XmlWriter();

	XmlWriter( XmlWriter const& ) = delete;
	XmlWriter& operator=( XmlWriter const& ) = delete;

	XmlWriter& startElement( std::string const& name );

	ScopedElement scopedElement( std::string const& name );

	XmlWriter& endElement();

	XmlWriter& writeAttribute( std::string const& name, std::string const& attribute );

	XmlWriter& writeAttribute( std::string const& name, bool attribute );

	template<typename T>
	XmlWriter& writeAttribute( std::string const& name, T const& attribute ) {
	m_oss.clear();
	m_oss.str(std::string());
	m_oss << attribute;
	return writeAttribute( name, m_oss.str() );
	}

	XmlWriter& writeText( std::string const& text, bool indent = true );

	XmlWriter& writeComment( std::string const& text );

	void writeStylesheetRef( std::string const& url );

	XmlWriter& writeBlankLine();

	void ensureTagClosed();

	private:

	void writeDeclaration();

	void newlineIfNecessary();

	bool m_tagIsOpen = false;
	bool m_needsNewline = false;
	std::vector<std::string> m_tags;
	std::string m_indent;
	std::ostream& m_os;
	std::ostringstream m_oss;
	};

	}

	// end catch_xmlwriter.h
	#include <iomanip>

	namespace Catch {

	XmlEncode::XmlEncode( std::string const& str, ForWhat forWhat )
	: m_str( str ),
	m_forWhat( forWhat )
	{}

	void XmlEncode::encodeTo( std::ostream& os ) const {

	// Apostrophe escaping not necessary if we always use " to write attributes
	// (see: http://www.w3.org/TR/xml/#syntax)

	for( std::size_t i = 0; i < m_str.size(); ++ i ) {
	char c = m_str[i];
	switch( c ) {
	case '<': os << "<"; break;
	case '&': os << "&"; break;

	case '>':
	// See: http://www.w3.org/TR/xml/#syntax
	if( i > 2 && m_str[i-1] == ']' && m_str[i-2] == ']' )
	os << ">";
	else
	os << c;
	break;

	case '\"':
	if( m_forWhat == ForAttributes )
	os << """;
	else
	os << c;
	break;

	default:
	// Escape control chars - based on contribution by @espenalb in PR #465 and
	// by @mrpi PR #588
	if ( ( c >= 0 && c < '\x09' ) \|\| ( c > '\x0D' && c < '\x20') \|\| c=='\x7F' ) {
	// see http://stackoverflow.com/questions/404107/why-are-control-characters-illegal-in-xml-1-0
	os << "\\x" << std::uppercase << std::hex << std::setfill('0') << std::setw(2)
	<< static_cast<int>( c );
	}
	else
	os << c;
	}
	}
	}

	std::ostream& operator << ( std::ostream& os, XmlEncode const& xmlEncode ) {
	xmlEncode.encodeTo( os );
	return os;
	}

	XmlWriter::ScopedElement::ScopedElement( XmlWriter* writer )
	: m_writer( writer )
	{}

	XmlWriter::ScopedElement::ScopedElement( ScopedElement&& other ) noexcept
	: m_writer( other.m_writer ){
	other.m_writer = nullptr;
	}
	XmlWriter::ScopedElement& XmlWriter::ScopedElement::operator=( ScopedElement&& other ) noexcept {
	if ( m_writer ) {
	m_writer->endElement();
	}
	m_writer = other.m_writer;
	other.m_writer = nullptr;
	return *this;
	}

	XmlWriter::ScopedElement::~ScopedElement() {
	if( m_writer )
	m_writer->endElement();
	}

	XmlWriter::ScopedElement& XmlWriter::ScopedElement::writeText( std::string const& text, bool indent ) {
	m_writer->writeText( text, indent );
	return *this;
	}

	XmlWriter::XmlWriter( std::ostream& os ) : m_os( os )
	{
	writeDeclaration();
	}

	XmlWriter::~XmlWriter() {
	while( !m_tags.empty() )
	endElement();
	}

	XmlWriter& XmlWriter::startElement( std::string const& name ) {
	ensureTagClosed();
	newlineIfNecessary();
	m_os << m_indent << '<' << name;
	m_tags.push_back( name );
	m_indent += " ";
	m_tagIsOpen = true;
	return *this;
	}

	XmlWriter::ScopedElement XmlWriter::scopedElement( std::string const& name ) {
	ScopedElement scoped( this );
	startElement( name );
	return scoped;
	}

	XmlWriter& XmlWriter::endElement() {
	newlineIfNecessary();
	m_indent = m_indent.substr( 0, m_indent.size()-2 );
	if( m_tagIsOpen ) {
	m_os << "/>";
	m_tagIsOpen = false;
	}
	else {
	m_os << m_indent << "</" << m_tags.back() << ">";
	}
	m_os << std::endl;
	m_tags.pop_back();
	return *this;
	}

	XmlWriter& XmlWriter::writeAttribute( std::string const& name, std::string const& attribute ) {
	if( !name.empty() && !attribute.empty() )
	m_os << ' ' << name << "=\"" << XmlEncode( attribute, XmlEncode::ForAttributes ) << '"';
	return *this;
	}

	XmlWriter& XmlWriter::writeAttribute( std::string const& name, bool attribute ) {
	m_os << ' ' << name << "=\"" << ( attribute ? "true" : "false" ) << '"';
	return *this;
	}

	XmlWriter& XmlWriter::writeText( std::string const& text, bool indent ) {
	if( !text.empty() ){
	bool tagWasOpen = m_tagIsOpen;
	ensureTagClosed();
	if( tagWasOpen && indent )
	m_os << m_indent;
	m_os << XmlEncode( text );
	m_needsNewline = true;
	}
	return *this;
	}

	XmlWriter& XmlWriter::writeComment( std::string const& text ) {
	ensureTagClosed();
	m_os << m_indent << "<!--" << text << "-->";
	m_needsNewline = true;
	return *this;
	}

	void XmlWriter::writeStylesheetRef( std::string const& url ) {
	m_os << "<?xml-stylesheet type=\"text/xsl\" href=\"" << url << "\"?>\n";
	}

	XmlWriter& XmlWriter::writeBlankLine() {
	ensureTagClosed();
	m_os << '\n';
	return *this;
	}

	void XmlWriter::ensureTagClosed() {
	if( m_tagIsOpen ) {
	m_os << ">" << std::endl;
	m_tagIsOpen = false;
	}
	}

	void XmlWriter::writeDeclaration() {
	m_os << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
	}

	void XmlWriter::newlineIfNecessary() {
	if( m_needsNewline ) {
	m_os << std::endl;
	m_needsNewline = false;
	}
	}
	}
	// end catch_xmlwriter.cpp
	// start catch_reporter_bases.cpp

	#include <cstring>
	#include <cfloat>
	#include <cstdio>
	#include <assert.h>
	#include <memory>

	namespace Catch {
	void prepareExpandedExpression(AssertionResult& result) {
	result.getExpandedExpression();
	}

	// Because formatting using c++ streams is stateful, drop down to C is required
	// Alternatively we could use stringstream, but its performance is... not good.
	std::string getFormattedDuration( double duration ) {
	// Max exponent + 1 is required to represent the whole part
	// + 1 for decimal point
	// + 3 for the 3 decimal places
	// + 1 for null terminator
	const std::size_t maxDoubleSize = DBL_MAX_10_EXP + 1 + 1 + 3 + 1;
	char buffer[maxDoubleSize];

	// Save previous errno, to prevent sprintf from overwriting it
	ErrnoGuard guard;
	#ifdef _MSC_VER
	sprintf_s(buffer, "%.3f", duration);
	#else
	sprintf(buffer, "%.3f", duration);
	#endif
	return std::string(buffer);
	}

	TestEventListenerBase::TestEventListenerBase(ReporterConfig const & _config)
	:StreamingReporterBase(_config) {}

	void TestEventListenerBase::assertionStarting(AssertionInfo const &) {}

	bool TestEventListenerBase::assertionEnded(AssertionStats const &) {
	return false;
	}

	} // end namespace Catch
	// end catch_reporter_bases.cpp
	// start catch_reporter_compact.cpp

	namespace {

	#ifdef CATCH_PLATFORM_MAC
	const char* failedString() { return "FAILED"; }
	const char* passedString() { return "PASSED"; }
	#else
	const char* failedString() { return "failed"; }
	const char* passedString() { return "passed"; }
	#endif

	// Colour::LightGrey
	Catch::Colour::Code dimColour() { return Catch::Colour::FileName; }

	std::string bothOrAll( std::size_t count ) {
	return count == 1 ? std::string() :
	count == 2 ? "both " : "all " ;
	}
	}

	namespace Catch {

	struct CompactReporter : StreamingReporterBase<CompactReporter> {

	using StreamingReporterBase::StreamingReporterBase;

	~CompactReporter() override;

	static std::string getDescription() {
	return "Reports test results on a single line, suitable for IDEs";
	}

	ReporterPreferences getPreferences() const override {
	ReporterPreferences prefs;
	prefs.shouldRedirectStdOut = false;
	return prefs;
	}

	void noMatchingTestCases( std::string const& spec ) override {
	stream << "No test cases matched '" << spec << '\'' << std::endl;
	}

	void assertionStarting( AssertionInfo const& ) override {}

	bool assertionEnded( AssertionStats const& _assertionStats ) override {
	AssertionResult const& result = _assertionStats.assertionResult;

	bool printInfoMessages = true;

	// Drop out if result was successful and we're not printing those
	if( !m_config->includeSuccessfulResults() && result.isOk() ) {
	if( result.getResultType() != ResultWas::Warning )
	return false;
	printInfoMessages = false;
	}

	AssertionPrinter printer( stream, _assertionStats, printInfoMessages );
	printer.print();

	stream << std::endl;
	return true;
	}

	void sectionEnded(SectionStats const& _sectionStats) override {
	if (m_config->showDurations() == ShowDurations::Always) {
	stream << getFormattedDuration(_sectionStats.durationInSeconds) << " s: " << _sectionStats.sectionInfo.name << std::endl;
	}
	}

	void testRunEnded( TestRunStats const& _testRunStats ) override {
	printTotals( _testRunStats.totals );
	stream << '\n' << std::endl;
	StreamingReporterBase::testRunEnded( _testRunStats );
	}

	private:
	class AssertionPrinter {
	public:
	AssertionPrinter& operator= ( AssertionPrinter const& ) = delete;
	AssertionPrinter( AssertionPrinter const& ) = delete;
	AssertionPrinter( std::ostream& _stream, AssertionStats const& _stats, bool _printInfoMessages )
	: stream( _stream )
	, result( _stats.assertionResult )
	, messages( _stats.infoMessages )
	, itMessage( _stats.infoMessages.begin() )
	, printInfoMessages( _printInfoMessages )
	{}

	void print() {
	printSourceInfo();

	itMessage = messages.begin();

	switch( result.getResultType() ) {
	case ResultWas::Ok:
	printResultType( Colour::ResultSuccess, passedString() );
	printOriginalExpression();
	printReconstructedExpression();
	if ( ! result.hasExpression() )
	printRemainingMessages( Colour::None );
	else
	printRemainingMessages();
	break;
	case ResultWas::ExpressionFailed:
	if( result.isOk() )
	printResultType( Colour::ResultSuccess, failedString() + std::string( " - but was ok" ) );
	else
	printResultType( Colour::Error, failedString() );
	printOriginalExpression();
	printReconstructedExpression();
	printRemainingMessages();
	break;
	case ResultWas::ThrewException:
	printResultType( Colour::Error, failedString() );
	printIssue( "unexpected exception with message:" );
	printMessage();
	printExpressionWas();
	printRemainingMessages();
	break;
	case ResultWas::FatalErrorCondition:
	printResultType( Colour::Error, failedString() );
	printIssue( "fatal error condition with message:" );
	printMessage();
	printExpressionWas();
	printRemainingMessages();
	break;
	case ResultWas::DidntThrowException:
	printResultType( Colour::Error, failedString() );
	printIssue( "expected exception, got none" );
	printExpressionWas();
	printRemainingMessages();
	break;
	case ResultWas::Info:
	printResultType( Colour::None, "info" );
	printMessage();
	printRemainingMessages();
	break;
	case ResultWas::Warning:
	printResultType( Colour::None, "warning" );
	printMessage();
	printRemainingMessages();
	break;
	case ResultWas::ExplicitFailure:
	printResultType( Colour::Error, failedString() );
	printIssue( "explicitly" );
	printRemainingMessages( Colour::None );
	break;
	// These cases are here to prevent compiler warnings
	case ResultWas::Unknown:
	case ResultWas::FailureBit:
	case ResultWas::Exception:
	printResultType( Colour::Error, " internal error " );
	break;
	}
	}

	private:
	void printSourceInfo() const {
	Colour colourGuard( Colour::FileName );
	stream << result.getSourceInfo() << ':';
	}

	void printResultType( Colour::Code colour, std::string const& passOrFail ) const {
	if( !passOrFail.empty() ) {
	{
	Colour colourGuard( colour );
	stream << ' ' << passOrFail;
	}
	stream << ':';
	}
	}

	void printIssue( std::string const& issue ) const {
	stream << ' ' << issue;
	}

	void printExpressionWas() {
	if( result.hasExpression() ) {
	stream << ';';
	{
	Colour colour( dimColour() );
	stream << " expression was:";
	}
	printOriginalExpression();
	}
	}

	void printOriginalExpression() const {
	if( result.hasExpression() ) {
	stream << ' ' << result.getExpression();
	}
	}

	void printReconstructedExpression() const {
	if( result.hasExpandedExpression() ) {
	{
	Colour colour( dimColour() );
	stream << " for: ";
	}
	stream << result.getExpandedExpression();
	}
	}

	void printMessage() {
	if ( itMessage != messages.end() ) {
	stream << " '" << itMessage->message << '\'';
	++itMessage;
	}
	}

	void printRemainingMessages( Colour::Code colour = dimColour() ) {
	if ( itMessage == messages.end() )
	return;

	// using messages.end() directly yields (or auto) compilation error:
	std::vector<MessageInfo>::const_iterator itEnd = messages.end();
	const std::size_t N = static_cast<std::size_t>( std::distance( itMessage, itEnd ) );

	{
	Colour colourGuard( colour );
	stream << " with " << pluralise( N, "message" ) << ':';
	}

	for(; itMessage != itEnd; ) {
	// If this assertion is a warning ignore any INFO messages
	if( printInfoMessages \|\| itMessage->type != ResultWas::Info ) {
	stream << " '" << itMessage->message << '\'';
	if ( ++itMessage != itEnd ) {
	Colour colourGuard( dimColour() );
	stream << " and";
	}
	}
	}
	}

	private:
	std::ostream& stream;
	AssertionResult const& result;
	std::vector<MessageInfo> messages;
	std::vector<MessageInfo>::const_iterator itMessage;
	bool printInfoMessages;
	};

	// Colour, message variants:
	// - white: No tests ran.
	// - red: Failed [both/all] N test cases, failed [both/all] M assertions.
	// - white: Passed [both/all] N test cases (no assertions).
	// - red: Failed N tests cases, failed M assertions.
	// - green: Passed [both/all] N tests cases with M assertions.

	void printTotals( const Totals& totals ) const {
	if( totals.testCases.total() == 0 ) {
	stream << "No tests ran.";
	}
	else if( totals.testCases.failed == totals.testCases.total() ) {
	Colour colour( Colour::ResultError );
	const std::string qualify_assertions_failed =
	totals.assertions.failed == totals.assertions.total() ?
	bothOrAll( totals.assertions.failed ) : std::string();
	stream <<
	"Failed " << bothOrAll( totals.testCases.failed )
	<< pluralise( totals.testCases.failed, "test case" ) << ", "
	"failed " << qualify_assertions_failed <<
	pluralise( totals.assertions.failed, "assertion" ) << '.';
	}
	else if( totals.assertions.total() == 0 ) {
	stream <<
	"Passed " << bothOrAll( totals.testCases.total() )
	<< pluralise( totals.testCases.total(), "test case" )
	<< " (no assertions).";
	}
	else if( totals.assertions.failed ) {
	Colour colour( Colour::ResultError );
	stream <<
	"Failed " << pluralise( totals.testCases.failed, "test case" ) << ", "
	"failed " << pluralise( totals.assertions.failed, "assertion" ) << '.';
	}
	else {
	Colour colour( Colour::ResultSuccess );
	stream <<
	"Passed " << bothOrAll( totals.testCases.passed )
	<< pluralise( totals.testCases.passed, "test case" ) <<
	" with " << pluralise( totals.assertions.passed, "assertion" ) << '.';
	}
	}
	};

	CompactReporter::~CompactReporter() {}

	CATCH_REGISTER_REPORTER( "compact", CompactReporter )

	} // end namespace Catch
	// end catch_reporter_compact.cpp
	// start catch_reporter_console.cpp

	#include <cfloat>
	#include <cstdio>

	#if defined(_MSC_VER)
	#pragma warning(push)
	#pragma warning(disable:4061) // Not all labels are EXPLICITLY handled in switch
	// Note that 4062 (not all labels are handled
	// and default is missing) is enabled
	#endif

	namespace Catch {

	namespace {
	std::size_t makeRatio( std::size_t number, std::size_t total ) {
	std::size_t ratio = total > 0 ? CATCH_CONFIG_CONSOLE_WIDTH * number/ total : 0;
	return ( ratio == 0 && number > 0 ) ? 1 : ratio;
	}

	std::size_t& findMax( std::size_t& i, std::size_t& j, std::size_t& k ) {
	if( i > j && i > k )
	return i;
	else if( j > k )
	return j;
	else
	return k;
	}

	struct ColumnInfo {
	enum Justification { Left, Right };
	std::string name;
	int width;
	Justification justification;
	};
	struct ColumnBreak {};
	struct RowBreak {};

	class TablePrinter {
	std::ostream& m_os;
	std::vector<ColumnInfo> m_columnInfos;
	std::ostringstream m_oss;
	int m_currentColumn = -1;
	bool m_isOpen = false;

	public:
	TablePrinter( std::ostream& os, std::vector<ColumnInfo> const& columnInfos )
	: m_os( os ),
	m_columnInfos( columnInfos )
	{}

	auto columnInfos() const -> std::vector<ColumnInfo> const& {
	return m_columnInfos;
	}

	void open() {
	if( !m_isOpen ) {
	m_isOpen = true;
	*this << RowBreak();
	for( auto const& info : m_columnInfos )
	*this << info.name << ColumnBreak();
	*this << RowBreak();
	m_os << Catch::getLineOfChars<'-'>() << "\n";
	}
	}
	void close() {
	if( m_isOpen ) {
	*this << RowBreak();
	m_os << std::endl;
	m_isOpen = false;
	}
	}

	template<typename T>
	friend TablePrinter& operator << ( TablePrinter& tp, T const& value ) {
	tp.m_oss << value;
	return tp;
	}

	friend TablePrinter& operator << ( TablePrinter& tp, ColumnBreak ) {
	auto colStr = tp.m_oss.str();
	// This takes account of utf8 encodings
	auto strSize = Catch::StringRef( colStr ).numberOfCharacters();
	tp.m_oss.str("");
	tp.open();
	if( tp.m_currentColumn == static_cast<int>(tp.m_columnInfos.size()-1) ) {
	tp.m_currentColumn = -1;
	tp.m_os << "\n";
	}
	tp.m_currentColumn++;

	auto colInfo = tp.m_columnInfos[tp.m_currentColumn];
	auto padding = ( strSize+2 < static_cast<std::size_t>( colInfo.width ) )
	? std::string( colInfo.width-(strSize+2), ' ' )
	: std::string();
	if( colInfo.justification == ColumnInfo::Left )
	tp.m_os << colStr << padding << " ";
	else
	tp.m_os << padding << colStr << " ";
	return tp;
	}

	friend TablePrinter& operator << ( TablePrinter& tp, RowBreak ) {
	if( tp.m_currentColumn > 0 ) {
	tp.m_os << "\n";
	tp.m_currentColumn = -1;
	}
	return tp;
	}
	};

	class Duration {
	enum class Unit {
	Auto,
	Nanoseconds,
	Microseconds,
	Milliseconds,
	Seconds,
	Minutes
	};
	static const uint64_t s_nanosecondsInAMicrosecond = 1000;
	static const uint64_t s_nanosecondsInAMillisecond = 1000*s_nanosecondsInAMicrosecond;
	static const uint64_t s_nanosecondsInASecond = 1000*s_nanosecondsInAMillisecond;
	static const uint64_t s_nanosecondsInAMinute = 60*s_nanosecondsInASecond;

	uint64_t m_inNanoseconds;
	Unit m_units;

	public:
	Duration( uint64_t inNanoseconds, Unit units = Unit::Auto )
	: m_inNanoseconds( inNanoseconds ),
	m_units( units )
	{
	if( m_units == Unit::Auto ) {
	if( m_inNanoseconds < s_nanosecondsInAMicrosecond )
	m_units = Unit::Nanoseconds;
	else if( m_inNanoseconds < s_nanosecondsInAMillisecond )
	m_units = Unit::Microseconds;
	else if( m_inNanoseconds < s_nanosecondsInASecond )
	m_units = Unit::Milliseconds;
	else if( m_inNanoseconds < s_nanosecondsInAMinute )
	m_units = Unit::Seconds;
	else
	m_units = Unit::Minutes;
	}

	}

	auto value() const -> double {
	switch( m_units ) {
	case Unit::Microseconds:
	return m_inNanoseconds / static_cast<double>( s_nanosecondsInAMicrosecond );
	case Unit::Milliseconds:
	return m_inNanoseconds / static_cast<double>( s_nanosecondsInAMillisecond );
	case Unit::Seconds:
	return m_inNanoseconds / static_cast<double>( s_nanosecondsInASecond );
	case Unit::Minutes:
	return m_inNanoseconds / static_cast<double>( s_nanosecondsInAMinute );
	default:
	return static_cast<double>( m_inNanoseconds );
	}
	}
	auto unitsAsString() const -> std::string {
	switch( m_units ) {
	case Unit::Nanoseconds:
	return "ns";
	case Unit::Microseconds:
	return "µs";
	case Unit::Milliseconds:
	return "ms";
	case Unit::Seconds:
	return "s";
	case Unit::Minutes:
	return "m";
	default:
	return " internal error ";
	}

	}
	friend auto operator << ( std::ostream& os, Duration const& duration ) -> std::ostream& {
	return os << duration.value() << " " << duration.unitsAsString();
	}
	};
	} // end anon namespace

	struct ConsoleReporter : StreamingReporterBase<ConsoleReporter> {
	TablePrinter m_tablePrinter;

	ConsoleReporter( ReporterConfig const& config )
	: StreamingReporterBase( config ),
	m_tablePrinter( config.stream(),
	{
	{ "benchmark name", CATCH_CONFIG_CONSOLE_WIDTH-32, ColumnInfo::Left },
	{ "iters", 8, ColumnInfo::Right },
	{ "elapsed ns", 14, ColumnInfo::Right },
	{ "average", 14, ColumnInfo::Right }
	} )
	{}
	~ConsoleReporter() override;
	static std::string getDescription() {
	return "Reports test results as plain lines of text";
	}

	void noMatchingTestCases( std::string const& spec ) override {
	stream << "No test cases matched '" << spec << '\'' << std::endl;
	}

	void assertionStarting( AssertionInfo const& ) override {
	}

	bool assertionEnded( AssertionStats const& _assertionStats ) override {
	AssertionResult const& result = _assertionStats.assertionResult;

	bool includeResults = m_config->includeSuccessfulResults() \|\| !result.isOk();

	// Drop out if result was successful but we're not printing them.
	if( !includeResults && result.getResultType() != ResultWas::Warning )
	return false;

	lazyPrint();

	AssertionPrinter printer( stream, _assertionStats, includeResults );
	printer.print();
	stream << std::endl;
	return true;
	}

	void sectionStarting( SectionInfo const& _sectionInfo ) override {
	m_headerPrinted = false;
	StreamingReporterBase::sectionStarting( _sectionInfo );
	}
	void sectionEnded( SectionStats const& _sectionStats ) override {
	m_tablePrinter.close();
	if( _sectionStats.missingAssertions ) {
	lazyPrint();
	Colour colour( Colour::ResultError );
	if( m_sectionStack.size() > 1 )
	stream << "\nNo assertions in section";
	else
	stream << "\nNo assertions in test case";
	stream << " '" << _sectionStats.sectionInfo.name << "'\n" << std::endl;
	}
	if( m_config->showDurations() == ShowDurations::Always ) {
	stream << getFormattedDuration(_sectionStats.durationInSeconds) << " s: " << _sectionStats.sectionInfo.name << std::endl;
	}
	if( m_headerPrinted ) {
	m_headerPrinted = false;
	}
	StreamingReporterBase::sectionEnded( _sectionStats );
	}

	void benchmarkStarting( BenchmarkInfo const& info ) override {
	lazyPrintWithoutClosingBenchmarkTable();

	auto nameCol = Column( info.name ).width( m_tablePrinter.columnInfos()[0].width-2 );

	bool firstLine = true;
	for( auto line : nameCol ) {
	if( !firstLine )
	m_tablePrinter << ColumnBreak() << ColumnBreak() << ColumnBreak();
	else
	firstLine = false;

	m_tablePrinter << line << ColumnBreak();
	}
	}
	void benchmarkEnded( BenchmarkStats const& stats ) override {
	Duration average( stats.elapsedTimeInNanoseconds/stats.iterations );
	m_tablePrinter
	<< stats.iterations << ColumnBreak()
	<< stats.elapsedTimeInNanoseconds << ColumnBreak()
	<< average << ColumnBreak();
	}

	void testCaseEnded( TestCaseStats const& _testCaseStats ) override {
	m_tablePrinter.close();
	StreamingReporterBase::testCaseEnded( _testCaseStats );
	m_headerPrinted = false;
	}
	void testGroupEnded( TestGroupStats const& _testGroupStats ) override {
	if( currentGroupInfo.used ) {
	printSummaryDivider();
	stream << "Summary for group '" << _testGroupStats.groupInfo.name << "':\n";
	printTotals( _testGroupStats.totals );
	stream << '\n' << std::endl;
	}
	StreamingReporterBase::testGroupEnded( _testGroupStats );
	}
	void testRunEnded( TestRunStats const& _testRunStats ) override {
	printTotalsDivider( _testRunStats.totals );
	printTotals( _testRunStats.totals );
	stream << std::endl;
	StreamingReporterBase::testRunEnded( _testRunStats );
	}

	private:

	class AssertionPrinter {
	public:
	AssertionPrinter& operator= ( AssertionPrinter const& ) = delete;
	AssertionPrinter( AssertionPrinter const& ) = delete;
	AssertionPrinter( std::ostream& _stream, AssertionStats const& _stats, bool _printInfoMessages )
	: stream( _stream ),
	stats( _stats ),
	result( _stats.assertionResult ),
	colour( Colour::None ),
	message( result.getMessage() ),
	messages( _stats.infoMessages ),
	printInfoMessages( _printInfoMessages )
	{
	switch( result.getResultType() ) {
	case ResultWas::Ok:
	colour = Colour::Success;
	passOrFail = "PASSED";
	//if( result.hasMessage() )
	if( _stats.infoMessages.size() == 1 )
	messageLabel = "with message";
	if( _stats.infoMessages.size() > 1 )
	messageLabel = "with messages";
	break;
	case ResultWas::ExpressionFailed:
	if( result.isOk() ) {
	colour = Colour::Success;
	passOrFail = "FAILED - but was ok";
	}
	else {
	colour = Colour::Error;
	passOrFail = "FAILED";
	}
	if( _stats.infoMessages.size() == 1 )
	messageLabel = "with message";
	if( _stats.infoMessages.size() > 1 )
	messageLabel = "with messages";
	break;
	case ResultWas::ThrewException:
	colour = Colour::Error;
	passOrFail = "FAILED";
	messageLabel = "due to unexpected exception with ";
	if (_stats.infoMessages.size() == 1)
	messageLabel += "message";
	if (_stats.infoMessages.size() > 1)
	messageLabel += "messages";
	break;
	case ResultWas::FatalErrorCondition:
	colour = Colour::Error;
	passOrFail = "FAILED";
	messageLabel = "due to a fatal error condition";
	break;
	case ResultWas::DidntThrowException:
	colour = Colour::Error;
	passOrFail = "FAILED";
	messageLabel = "because no exception was thrown where one was expected";
	break;
	case ResultWas::Info:
	messageLabel = "info";
	break;
	case ResultWas::Warning:
	messageLabel = "warning";
	break;
	case ResultWas::ExplicitFailure:
	passOrFail = "FAILED";
	colour = Colour::Error;
	if( _stats.infoMessages.size() == 1 )
	messageLabel = "explicitly with message";
	if( _stats.infoMessages.size() > 1 )
	messageLabel = "explicitly with messages";
	break;
	// These cases are here to prevent compiler warnings
	case ResultWas::Unknown:
	case ResultWas::FailureBit:
	case ResultWas::Exception:
	passOrFail = " internal error ";
	colour = Colour::Error;
	break;
	}
	}

	void print() const {
	printSourceInfo();
	if( stats.totals.assertions.total() > 0 ) {
	if( result.isOk() )
	stream << '\n';
	printResultType();
	printOriginalExpression();
	printReconstructedExpression();
	}
	else {
	stream << '\n';
	}
	printMessage();
	}

	private:
	void printResultType() const {
	if( !passOrFail.empty() ) {
	Colour colourGuard( colour );
	stream << passOrFail << ":\n";
	}
	}
	void printOriginalExpression() const {
	if( result.hasExpression() ) {
	Colour colourGuard( Colour::OriginalExpression );
	stream << " ";
	stream << result.getExpressionInMacro();
	stream << '\n';
	}
	}
	void printReconstructedExpression() const {
	if( result.hasExpandedExpression() ) {
	stream << "with expansion:\n";
	Colour colourGuard( Colour::ReconstructedExpression );
	stream << Column( result.getExpandedExpression() ).indent(2) << '\n';
	}
	}
	void printMessage() const {
	if( !messageLabel.empty() )
	stream << messageLabel << ':' << '\n';
	for( auto const& msg : messages ) {
	// If this assertion is a warning ignore any INFO messages
	if( printInfoMessages \|\| msg.type != ResultWas::Info )
	stream << Column( msg.message ).indent(2) << '\n';
	}
	}
	void printSourceInfo() const {
	Colour colourGuard( Colour::FileName );
	stream << result.getSourceInfo() << ": ";
	}

	std::ostream& stream;
	AssertionStats const& stats;
	AssertionResult const& result;
	Colour::Code colour;
	std::string passOrFail;
	std::string messageLabel;
	std::string message;
	std::vector<MessageInfo> messages;
	bool printInfoMessages;
	};

	void lazyPrint() {

	m_tablePrinter.close();
	lazyPrintWithoutClosingBenchmarkTable();
	}

	void lazyPrintWithoutClosingBenchmarkTable() {

	if( !currentTestRunInfo.used )
	lazyPrintRunInfo();
	if( !currentGroupInfo.used )
	lazyPrintGroupInfo();

	if( !m_headerPrinted ) {
	printTestCaseAndSectionHeader();
	m_headerPrinted = true;
	}
	}
	void lazyPrintRunInfo() {
	stream << '\n' << getLineOfChars<'~'>() << '\n';
	Colour colour( Colour::SecondaryText );
	stream << currentTestRunInfo->name
	<< " is a Catch v" << libraryVersion() << " host application.\n"
	<< "Run with -? for options\n\n";

	if( m_config->rngSeed() != 0 )
	stream << "Randomness seeded to: " << m_config->rngSeed() << "\n\n";

	currentTestRunInfo.used = true;
	}
	void lazyPrintGroupInfo() {
	if( !currentGroupInfo->name.empty() && currentGroupInfo->groupsCounts > 1 ) {
	printClosedHeader( "Group: " + currentGroupInfo->name );
	currentGroupInfo.used = true;
	}
	}
	void printTestCaseAndSectionHeader() {
	assert( !m_sectionStack.empty() );
	printOpenHeader( currentTestCaseInfo->name );

	if( m_sectionStack.size() > 1 ) {
	Colour colourGuard( Colour::Headers );

	auto
	it = m_sectionStack.begin()+1, // Skip first section (test case)
	itEnd = m_sectionStack.end();
	for( ; it != itEnd; ++it )
	printHeaderString( it->name, 2 );
	}

	SourceLineInfo lineInfo = m_sectionStack.back().lineInfo;

	if( !lineInfo.empty() ){
	stream << getLineOfChars<'-'>() << '\n';
	Colour colourGuard( Colour::FileName );
	stream << lineInfo << '\n';
	}
	stream << getLineOfChars<'.'>() << '\n' << std::endl;
	}

	void printClosedHeader( std::string const& _name ) {
	printOpenHeader( _name );
	stream << getLineOfChars<'.'>() << '\n';
	}
	void printOpenHeader( std::string const& _name ) {
	stream << getLineOfChars<'-'>() << '\n';
	{
	Colour colourGuard( Colour::Headers );
	printHeaderString( _name );
	}
	}

	// if string has a : in first line will set indent to follow it on
	// subsequent lines
	void printHeaderString( std::string const& _string, std::size_t indent = 0 ) {
	std::size_t i = _string.find( ": " );
	if( i != std::string::npos )
	i+=2;
	else
	i = 0;
	stream << Column( _string ).indent( indent+i ).initialIndent( indent ) << '\n';
	}

	struct SummaryColumn {

	SummaryColumn( std::string const& _label, Colour::Code _colour )
	: label( _label ),
	colour( _colour )
	{}
	SummaryColumn addRow( std::size_t count ) {
	std::ostringstream oss;
	oss << count;
	std::string row = oss.str();
	for( auto& oldRow : rows ) {
	while( oldRow.size() < row.size() )
	oldRow = ' ' + oldRow;
	while( oldRow.size() > row.size() )
	row = ' ' + row;
	}
	rows.push_back( row );
	return *this;
	}

	std::string label;
	Colour::Code colour;
	std::vector<std::string> rows;

	};

	void printTotals( Totals const& totals ) {
	if( totals.testCases.total() == 0 ) {
	stream << Colour( Colour::Warning ) << "No tests ran\n";
	}
	else if( totals.assertions.total() > 0 && totals.testCases.allPassed() ) {
	stream << Colour( Colour::ResultSuccess ) << "All tests passed";
	stream << " ("
	<< pluralise( totals.assertions.passed, "assertion" ) << " in "
	<< pluralise( totals.testCases.passed, "test case" ) << ')'
	<< '\n';
	}
	else {

	std::vector<SummaryColumn> columns;
	columns.push_back( SummaryColumn( "", Colour::None )
	.addRow( totals.testCases.total() )
	.addRow( totals.assertions.total() ) );
	columns.push_back( SummaryColumn( "passed", Colour::Success )
	.addRow( totals.testCases.passed )
	.addRow( totals.assertions.passed ) );
	columns.push_back( SummaryColumn( "failed", Colour::ResultError )
	.addRow( totals.testCases.failed )
	.addRow( totals.assertions.failed ) );
	columns.push_back( SummaryColumn( "failed as expected", Colour::ResultExpectedFailure )
	.addRow( totals.testCases.failedButOk )
	.addRow( totals.assertions.failedButOk ) );

	printSummaryRow( "test cases", columns, 0 );
	printSummaryRow( "assertions", columns, 1 );
	}
	}
	void printSummaryRow( std::string const& label, std::vector<SummaryColumn> const& cols, std::size_t row ) {
	for( auto col : cols ) {
	std::string value = col.rows[row];
	if( col.label.empty() ) {
	stream << label << ": ";
	if( value != "0" )
	stream << value;
	else
	stream << Colour( Colour::Warning ) << "- none -";
	}
	else if( value != "0" ) {
	stream << Colour( Colour::LightGrey ) << " \| ";
	stream << Colour( col.colour )
	<< value << ' ' << col.label;
	}
	}
	stream << '\n';
	}

	void printTotalsDivider( Totals const& totals ) {
	if( totals.testCases.total() > 0 ) {
	std::size_t failedRatio = makeRatio( totals.testCases.failed, totals.testCases.total() );
	std::size_t failedButOkRatio = makeRatio( totals.testCases.failedButOk, totals.testCases.total() );
	std::size_t passedRatio = makeRatio( totals.testCases.passed, totals.testCases.total() );
	while( failedRatio + failedButOkRatio + passedRatio < CATCH_CONFIG_CONSOLE_WIDTH-1 )
	findMax( failedRatio, failedButOkRatio, passedRatio )++;
	while( failedRatio + failedButOkRatio + passedRatio > CATCH_CONFIG_CONSOLE_WIDTH-1 )
	findMax( failedRatio, failedButOkRatio, passedRatio )--;

	stream << Colour( Colour::Error ) << std::string( failedRatio, '=' );
	stream << Colour( Colour::ResultExpectedFailure ) << std::string( failedButOkRatio, '=' );
	if( totals.testCases.allPassed() )
	stream << Colour( Colour::ResultSuccess ) << std::string( passedRatio, '=' );
	else
	stream << Colour( Colour::Success ) << std::string( passedRatio, '=' );
	}
	else {
	stream << Colour( Colour::Warning ) << std::string( CATCH_CONFIG_CONSOLE_WIDTH-1, '=' );
	}
	stream << '\n';
	}
	void printSummaryDivider() {
	stream << getLineOfChars<'-'>() << '\n';
	}

	private:
	bool m_headerPrinted = false;
	};

	CATCH_REGISTER_REPORTER( "console", ConsoleReporter )

	ConsoleReporter::~ConsoleReporter() {}

	} // end namespace Catch

	#if defined(_MSC_VER)
	#pragma warning(pop)
	#endif
	// end catch_reporter_console.cpp
	// start catch_reporter_junit.cpp

	#include <assert.h>

	#include <ctime>
	#include <algorithm>

	namespace Catch {

	namespace {
	std::string getCurrentTimestamp() {
	// Beware, this is not reentrant because of backward compatibility issues
	// Also, UTC only, again because of backward compatibility (%z is C++11)
	time_t rawtime;
	std::time(&rawtime);
	auto const timeStampSize = sizeof("2017-01-16T17:06:45Z");

	#ifdef _MSC_VER
	std::tm timeInfo = {};
	gmtime_s(&timeInfo, &rawtime);
	#else
	std::tm* timeInfo;
	timeInfo = std::gmtime(&rawtime);
	#endif

	char timeStamp[timeStampSize];
	const char * const fmt = "%Y-%m-%dT%H:%M:%SZ";

	#ifdef _MSC_VER
	std::strftime(timeStamp, timeStampSize, fmt, &timeInfo);
	#else
	std::strftime(timeStamp, timeStampSize, fmt, timeInfo);
	#endif
	return std::string(timeStamp);
	}

	std::string fileNameTag(const std::vector<std::string> &tags) {
	auto it = std::find_if(begin(tags),
	end(tags),
	[] (std::string const& tag) {return tag.front() == '#'; });
	if (it != tags.end())
	return it->substr(1);
	return std::string();
	}
	}

	class JunitReporter : public CumulativeReporterBase<JunitReporter> {
	public:
	JunitReporter( ReporterConfig const& _config )
	: CumulativeReporterBase( _config ),
	xml( _config.stream() )
	{
	m_reporterPrefs.shouldRedirectStdOut = true;
	}

	~JunitReporter() override;

	static std::string getDescription() {
	return "Reports test results in an XML format that looks like Ant's junitreport target";
	}

	void noMatchingTestCases( std::string const& /spec/ ) override {}

	void testRunStarting( TestRunInfo const& runInfo ) override {
	CumulativeReporterBase::testRunStarting( runInfo );
	xml.startElement( "testsuites" );
	}

	void testGroupStarting( GroupInfo const& groupInfo ) override {
	suiteTimer.start();
	stdOutForSuite.str("");
	stdErrForSuite.str("");
	unexpectedExceptions = 0;
	CumulativeReporterBase::testGroupStarting( groupInfo );
	}

	void testCaseStarting( TestCaseInfo const& testCaseInfo ) override {
	m_okToFail = testCaseInfo.okToFail();
	}
	bool assertionEnded( AssertionStats const& assertionStats ) override {
	if( assertionStats.assertionResult.getResultType() == ResultWas::ThrewException && !m_okToFail )
	unexpectedExceptions++;
	return CumulativeReporterBase::assertionEnded( assertionStats );
	}

	void testCaseEnded( TestCaseStats const& testCaseStats ) override {
	stdOutForSuite << testCaseStats.stdOut;
	stdErrForSuite << testCaseStats.stdErr;
	CumulativeReporterBase::testCaseEnded( testCaseStats );
	}

	void testGroupEnded( TestGroupStats const& testGroupStats ) override {
	double suiteTime = suiteTimer.getElapsedSeconds();
	CumulativeReporterBase::testGroupEnded( testGroupStats );
	writeGroup( *m_testGroups.back(), suiteTime );
	}

	void testRunEndedCumulative() override {
	xml.endElement();
	}

	void writeGroup( TestGroupNode const& groupNode, double suiteTime ) {
	XmlWriter::ScopedElement e = xml.scopedElement( "testsuite" );
	TestGroupStats const& stats = groupNode.value;
	xml.writeAttribute( "name", stats.groupInfo.name );
	xml.writeAttribute( "errors", unexpectedExceptions );
	xml.writeAttribute( "failures", stats.totals.assertions.failed-unexpectedExceptions );
	xml.writeAttribute( "tests", stats.totals.assertions.total() );
	xml.writeAttribute( "hostname", "tbd" ); // !TBD
	if( m_config->showDurations() == ShowDurations::Never )
	xml.writeAttribute( "time", "" );
	else
	xml.writeAttribute( "time", suiteTime );
	xml.writeAttribute( "timestamp", getCurrentTimestamp() );

	// Write test cases
	for( auto const& child : groupNode.children )
	writeTestCase( *child );

	xml.scopedElement( "system-out" ).writeText( trim( stdOutForSuite.str() ), false );
	xml.scopedElement( "system-err" ).writeText( trim( stdErrForSuite.str() ), false );
	}

	void writeTestCase( TestCaseNode const& testCaseNode ) {
	TestCaseStats const& stats = testCaseNode.value;

	// All test cases have exactly one section - which represents the
	// test case itself. That section may have 0-n nested sections
	assert( testCaseNode.children.size() == 1 );
	SectionNode const& rootSection = *testCaseNode.children.front();

	std::string className = stats.testInfo.className;

	if( className.empty() ) {
	className = fileNameTag(stats.testInfo.tags);
	if ( className.empty() )
	className = "global";
	}

	if ( !m_config->name().empty() )
	className = m_config->name() + "." + className;

	writeSection( className, "", rootSection );
	}

	void writeSection( std::string const& className,
	std::string const& rootName,
	SectionNode const& sectionNode ) {
	std::string name = trim( sectionNode.stats.sectionInfo.name );
	if( !rootName.empty() )
	name = rootName + '/' + name;

	if( !sectionNode.assertions.empty() \|\|
	!sectionNode.stdOut.empty() \|\|
	!sectionNode.stdErr.empty() ) {
	XmlWriter::ScopedElement e = xml.scopedElement( "testcase" );
	if( className.empty() ) {
	xml.writeAttribute( "classname", name );
	xml.writeAttribute( "name", "root" );
	}
	else {
	xml.writeAttribute( "classname", className );
	xml.writeAttribute( "name", name );
	}
	xml.writeAttribute( "time", ::Catch::Detail::stringify( sectionNode.stats.durationInSeconds ) );

	writeAssertions( sectionNode );

	if( !sectionNode.stdOut.empty() )
	xml.scopedElement( "system-out" ).writeText( trim( sectionNode.stdOut ), false );
	if( !sectionNode.stdErr.empty() )
	xml.scopedElement( "system-err" ).writeText( trim( sectionNode.stdErr ), false );
	}
	for( auto const& childNode : sectionNode.childSections )
	if( className.empty() )
	writeSection( name, "", *childNode );
	else
	writeSection( className, name, *childNode );
	}

	void writeAssertions( SectionNode const& sectionNode ) {
	for( auto const& assertion : sectionNode.assertions )
	writeAssertion( assertion );
	}
	void writeAssertion( AssertionStats const& stats ) {
	AssertionResult const& result = stats.assertionResult;
	if( !result.isOk() ) {
	std::string elementName;
	switch( result.getResultType() ) {
	case ResultWas::ThrewException:
	case ResultWas::FatalErrorCondition:
	elementName = "error";
	break;
	case ResultWas::ExplicitFailure:
	elementName = "failure";
	break;
	case ResultWas::ExpressionFailed:
	elementName = "failure";
	break;
	case ResultWas::DidntThrowException:
	elementName = "failure";
	break;

	// We should never see these here:
	case ResultWas::Info:
	case ResultWas::Warning:
	case ResultWas::Ok:
	case ResultWas::Unknown:
	case ResultWas::FailureBit:
	case ResultWas::Exception:
	elementName = "internalError";
	break;
	}

	XmlWriter::ScopedElement e = xml.scopedElement( elementName );

	xml.writeAttribute( "message", result.getExpandedExpression() );
	xml.writeAttribute( "type", result.getTestMacroName() );

	std::ostringstream oss;
	if( !result.getMessage().empty() )
	oss << result.getMessage() << '\n';
	for( auto const& msg : stats.infoMessages )
	if( msg.type == ResultWas::Info )
	oss << msg.message << '\n';

	oss << "at " << result.getSourceInfo();
	xml.writeText( oss.str(), false );
	}
	}

	XmlWriter xml;
	Timer suiteTimer;
	std::ostringstream stdOutForSuite;
	std::ostringstream stdErrForSuite;
	unsigned int unexpectedExceptions = 0;
	bool m_okToFail = false;
	};

	JunitReporter::~JunitReporter() {}
	CATCH_REGISTER_REPORTER( "junit", JunitReporter )

	} // end namespace Catch
	// end catch_reporter_junit.cpp
	// start catch_reporter_multi.cpp

	namespace Catch {

	void MultipleReporters::add( IStreamingReporterPtr&& reporter ) {
	m_reporters.push_back( std::move( reporter ) );
	}

	ReporterPreferences MultipleReporters::getPreferences() const {
	return m_reporters[0]->getPreferences();
	}

	std::set<Verbosity> MultipleReporters::getSupportedVerbosities() {
	return std::set<Verbosity>{ };
	}

	void MultipleReporters::noMatchingTestCases( std::string const& spec ) {
	for( auto const& reporter : m_reporters )
	reporter->noMatchingTestCases( spec );
	}

	void MultipleReporters::benchmarkStarting( BenchmarkInfo const& benchmarkInfo ) {
	for( auto const& reporter : m_reporters )
	reporter->benchmarkStarting( benchmarkInfo );
	}
	void MultipleReporters::benchmarkEnded( BenchmarkStats const& benchmarkStats ) {
	for( auto const& reporter : m_reporters )
	reporter->benchmarkEnded( benchmarkStats );
	}

	void MultipleReporters::testRunStarting( TestRunInfo const& testRunInfo ) {
	for( auto const& reporter : m_reporters )
	reporter->testRunStarting( testRunInfo );
	}

	void MultipleReporters::testGroupStarting( GroupInfo const& groupInfo ) {
	for( auto const& reporter : m_reporters )
	reporter->testGroupStarting( groupInfo );
	}

	void MultipleReporters::testCaseStarting( TestCaseInfo const& testInfo ) {
	for( auto const& reporter : m_reporters )
	reporter->testCaseStarting( testInfo );
	}

	void MultipleReporters::sectionStarting( SectionInfo const& sectionInfo ) {
	for( auto const& reporter : m_reporters )
	reporter->sectionStarting( sectionInfo );
	}

	void MultipleReporters::assertionStarting( AssertionInfo const& assertionInfo ) {
	for( auto const& reporter : m_reporters )
	reporter->assertionStarting( assertionInfo );
	}

	// The return value indicates if the messages buffer should be cleared:
	bool MultipleReporters::assertionEnded( AssertionStats const& assertionStats ) {
	bool clearBuffer = false;
	for( auto const& reporter : m_reporters )
	clearBuffer \|= reporter->assertionEnded( assertionStats );
	return clearBuffer;
	}

	void MultipleReporters::sectionEnded( SectionStats const& sectionStats ) {
	for( auto const& reporter : m_reporters )
	reporter->sectionEnded( sectionStats );
	}

	void MultipleReporters::testCaseEnded( TestCaseStats const& testCaseStats ) {
	for( auto const& reporter : m_reporters )
	reporter->testCaseEnded( testCaseStats );
	}

	void MultipleReporters::testGroupEnded( TestGroupStats const& testGroupStats ) {
	for( auto const& reporter : m_reporters )
	reporter->testGroupEnded( testGroupStats );
	}

	void MultipleReporters::testRunEnded( TestRunStats const& testRunStats ) {
	for( auto const& reporter : m_reporters )
	reporter->testRunEnded( testRunStats );
	}

	void MultipleReporters::skipTest( TestCaseInfo const& testInfo ) {
	for( auto const& reporter : m_reporters )
	reporter->skipTest( testInfo );
	}

	bool MultipleReporters::isMulti() const {
	return true;
	}

	} // end namespace Catch
	// end catch_reporter_multi.cpp
	// start catch_reporter_xml.cpp

	#if defined(_MSC_VER)
	#pragma warning(push)
	#pragma warning(disable:4061) // Not all labels are EXPLICITLY handled in switch
	// Note that 4062 (not all labels are handled
	// and default is missing) is enabled
	#endif

	namespace Catch {
	class XmlReporter : public StreamingReporterBase<XmlReporter> {
	public:
	XmlReporter( ReporterConfig const& _config )
	: StreamingReporterBase( _config ),
	m_xml(_config.stream())
	{
	m_reporterPrefs.shouldRedirectStdOut = true;
	}

	~XmlReporter() override;

	static std::string getDescription() {
	return "Reports test results as an XML document";
	}

	virtual std::string getStylesheetRef() const {
	return std::string();
	}

	void writeSourceInfo( SourceLineInfo const& sourceInfo ) {
	m_xml
	.writeAttribute( "filename", sourceInfo.file )
	.writeAttribute( "line", sourceInfo.line );
	}

	public: // StreamingReporterBase

	void noMatchingTestCases( std::string const& s ) override {
	StreamingReporterBase::noMatchingTestCases( s );
	}

	void testRunStarting( TestRunInfo const& testInfo ) override {
	StreamingReporterBase::testRunStarting( testInfo );
	std::string stylesheetRef = getStylesheetRef();
	if( !stylesheetRef.empty() )
	m_xml.writeStylesheetRef( stylesheetRef );
	m_xml.startElement( "Catch" );
	if( !m_config->name().empty() )
	m_xml.writeAttribute( "name", m_config->name() );
	}

	void testGroupStarting( GroupInfo const& groupInfo ) override {
	StreamingReporterBase::testGroupStarting( groupInfo );
	m_xml.startElement( "Group" )
	.writeAttribute( "name", groupInfo.name );
	}

	void testCaseStarting( TestCaseInfo const& testInfo ) override {
	StreamingReporterBase::testCaseStarting(testInfo);
	m_xml.startElement( "TestCase" )
	.writeAttribute( "name", trim( testInfo.name ) )
	.writeAttribute( "description", testInfo.description )
	.writeAttribute( "tags", testInfo.tagsAsString() );

	writeSourceInfo( testInfo.lineInfo );

	if ( m_config->showDurations() == ShowDurations::Always )
	m_testCaseTimer.start();
	m_xml.ensureTagClosed();
	}

	void sectionStarting( SectionInfo const& sectionInfo ) override {
	StreamingReporterBase::sectionStarting( sectionInfo );
	if( m_sectionDepth++ > 0 ) {
	m_xml.startElement( "Section" )
	.writeAttribute( "name", trim( sectionInfo.name ) )
	.writeAttribute( "description", sectionInfo.description );
	writeSourceInfo( sectionInfo.lineInfo );
	m_xml.ensureTagClosed();
	}
	}

	void assertionStarting( AssertionInfo const& ) override { }

	bool assertionEnded( AssertionStats const& assertionStats ) override {

	AssertionResult const& result = assertionStats.assertionResult;

	bool includeResults = m_config->includeSuccessfulResults() \|\| !result.isOk();

	if( includeResults ) {
	// Print any info messages in <Info> tags.
	for( auto const& msg : assertionStats.infoMessages ) {
	if( msg.type == ResultWas::Info ) {
	m_xml.scopedElement( "Info" )
	.writeText( msg.message );
	} else if ( msg.type == ResultWas::Warning ) {
	m_xml.scopedElement( "Warning" )
	.writeText( msg.message );
	}
	}
	}

	// Drop out if result was successful but we're not printing them.
	if( !includeResults && result.getResultType() != ResultWas::Warning )
	return true;

	// Print the expression if there is one.
	if( result.hasExpression() ) {
	m_xml.startElement( "Expression" )
	.writeAttribute( "success", result.succeeded() )
	.writeAttribute( "type", result.getTestMacroName() );

	writeSourceInfo( result.getSourceInfo() );

	m_xml.scopedElement( "Original" )
	.writeText( result.getExpression() );
	m_xml.scopedElement( "Expanded" )
	.writeText( result.getExpandedExpression() );
	}

	// And... Print a result applicable to each result type.
	switch( result.getResultType() ) {
	case ResultWas::ThrewException:
	m_xml.startElement( "Exception" );
	writeSourceInfo( result.getSourceInfo() );
	m_xml.writeText( result.getMessage() );
	m_xml.endElement();
	break;
	case ResultWas::FatalErrorCondition:
	m_xml.startElement( "FatalErrorCondition" );
	writeSourceInfo( result.getSourceInfo() );
	m_xml.writeText( result.getMessage() );
	m_xml.endElement();
	break;
	case ResultWas::Info:
	m_xml.scopedElement( "Info" )
	.writeText( result.getMessage() );
	break;
	case ResultWas::Warning:
	// Warning will already have been written
	break;
	case ResultWas::ExplicitFailure:
	m_xml.startElement( "Failure" );
	writeSourceInfo( result.getSourceInfo() );
	m_xml.writeText( result.getMessage() );
	m_xml.endElement();
	break;
	default:
	break;
	}

	if( result.hasExpression() )
	m_xml.endElement();

	return true;
	}

	void sectionEnded( SectionStats const& sectionStats ) override {
	StreamingReporterBase::sectionEnded( sectionStats );
	if( --m_sectionDepth > 0 ) {
	XmlWriter::ScopedElement e = m_xml.scopedElement( "OverallResults" );
	e.writeAttribute( "successes", sectionStats.assertions.passed );
	e.writeAttribute( "failures", sectionStats.assertions.failed );
	e.writeAttribute( "expectedFailures", sectionStats.assertions.failedButOk );

	if ( m_config->showDurations() == ShowDurations::Always )
	e.writeAttribute( "durationInSeconds", sectionStats.durationInSeconds );

	m_xml.endElement();
	}
	}

	void testCaseEnded( TestCaseStats const& testCaseStats ) override {
	StreamingReporterBase::testCaseEnded( testCaseStats );
	XmlWriter::ScopedElement e = m_xml.scopedElement( "OverallResult" );
	e.writeAttribute( "success", testCaseStats.totals.assertions.allOk() );

	if ( m_config->showDurations() == ShowDurations::Always )
	e.writeAttribute( "durationInSeconds", m_testCaseTimer.getElapsedSeconds() );

	if( !testCaseStats.stdOut.empty() )
	m_xml.scopedElement( "StdOut" ).writeText( trim( testCaseStats.stdOut ), false );
	if( !testCaseStats.stdErr.empty() )
	m_xml.scopedElement( "StdErr" ).writeText( trim( testCaseStats.stdErr ), false );

	m_xml.endElement();
	}

	void testGroupEnded( TestGroupStats const& testGroupStats ) override {
	StreamingReporterBase::testGroupEnded( testGroupStats );
	// TODO: Check testGroupStats.aborting and act accordingly.
	m_xml.scopedElement( "OverallResults" )
	.writeAttribute( "successes", testGroupStats.totals.assertions.passed )
	.writeAttribute( "failures", testGroupStats.totals.assertions.failed )
	.writeAttribute( "expectedFailures", testGroupStats.totals.assertions.failedButOk );
	m_xml.endElement();
	}

	void testRunEnded( TestRunStats const& testRunStats ) override {
	StreamingReporterBase::testRunEnded( testRunStats );
	m_xml.scopedElement( "OverallResults" )
	.writeAttribute( "successes", testRunStats.totals.assertions.passed )
	.writeAttribute( "failures", testRunStats.totals.assertions.failed )
	.writeAttribute( "expectedFailures", testRunStats.totals.assertions.failedButOk );
	m_xml.endElement();
	}

	private:
	Timer m_testCaseTimer;
	XmlWriter m_xml;
	int m_sectionDepth = 0;
	};

	XmlReporter::~XmlReporter() {}
	CATCH_REGISTER_REPORTER( "xml", XmlReporter )

	} // end namespace Catch

	#if defined(_MSC_VER)
	#pragma warning(pop)
	#endif
	// end catch_reporter_xml.cpp

	namespace Catch {
	LeakDetector leakDetector;
	}

	#ifdef __clang__
	#pragma clang diagnostic pop
	#endif

	// end catch_impl.hpp
	#endif

	#ifdef CATCH_CONFIG_MAIN
	// start catch_default_main.hpp

	#ifndef __OBJC__

	#if defined(WIN32) && defined(_UNICODE) && !defined(DO_NOT_USE_WMAIN)
	// Standard C/C++ Win32 Unicode wmain entry point
	extern "C" int wmain (int argc, wchar_t * argv[], wchar_t * []) {
	#else
	// Standard C/C++ main entry point
	int main (int argc, char * argv[]) {
	#endif

	return Catch::Session().run( argc, argv );
	}

	#else // __OBJC__

	// Objective-C entry point
	int main (int argc, char * const argv[]) {
	#if !CATCH_ARC_ENABLED
	NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
	#endif

	Catch::registerTestMethods();
	int result = Catch::Session().run( argc, (char**)argv );

	#if !CATCH_ARC_ENABLED
	[pool drain];
	#endif

	return result;
	}

	#endif // __OBJC__

	// end catch_default_main.hpp
	#endif

	#ifdef CLARA_CONFIG_MAIN_NOT_DEFINED
	# undef CLARA_CONFIG_MAIN
	#endif

	#if !defined(CATCH_CONFIG_DISABLE)
	//////
	// If this config identifier is defined then all CATCH macros are prefixed with CATCH_
	#ifdef CATCH_CONFIG_PREFIX_ALL

	#define CATCH_REQUIRE( ... ) INTERNAL_CATCH_TEST( "CATCH_REQUIRE", Catch::ResultDisposition::Normal, __VA_ARGS__ )
	#define CATCH_REQUIRE_FALSE( ... ) INTERNAL_CATCH_TEST( "CATCH_REQUIRE_FALSE", Catch::ResultDisposition::Normal \| Catch::ResultDisposition::FalseTest, __VA_ARGS__ )

	#define CATCH_REQUIRE_THROWS( ... ) INTERNAL_CATCH_THROWS( "CATCH_REQUIRE_THROWS", Catch::ResultDisposition::Normal, "", __VA_ARGS__ )
	#define CATCH_REQUIRE_THROWS_AS( expr, exceptionType ) INTERNAL_CATCH_THROWS_AS( "CATCH_REQUIRE_THROWS_AS", exceptionType, Catch::ResultDisposition::Normal, expr )
	#define CATCH_REQUIRE_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "CATCH_REQUIRE_THROWS_WITH", Catch::ResultDisposition::Normal, matcher, expr )
	#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
	#define CATCH_REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "CATCH_REQUIRE_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::Normal, matcher, expr )
	#endif// CATCH_CONFIG_DISABLE_MATCHERS
	#define CATCH_REQUIRE_NOTHROW( ... ) INTERNAL_CATCH_NO_THROW( "CATCH_REQUIRE_NOTHROW", Catch::ResultDisposition::Normal, __VA_ARGS__ )

	#define CATCH_CHECK( ... ) INTERNAL_CATCH_TEST( "CATCH_CHECK", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
	#define CATCH_CHECK_FALSE( ... ) INTERNAL_CATCH_TEST( "CATCH_CHECK_FALSE", Catch::ResultDisposition::ContinueOnFailure \| Catch::ResultDisposition::FalseTest, __VA_ARGS__ )
	#define CATCH_CHECKED_IF( ... ) INTERNAL_CATCH_IF( "CATCH_CHECKED_IF", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
	#define CATCH_CHECKED_ELSE( ... ) INTERNAL_CATCH_ELSE( "CATCH_CHECKED_ELSE", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
	#define CATCH_CHECK_NOFAIL( ... ) INTERNAL_CATCH_TEST( "CATCH_CHECK_NOFAIL", Catch::ResultDisposition::ContinueOnFailure \| Catch::ResultDisposition::SuppressFail, __VA_ARGS__ )

	#define CATCH_CHECK_THROWS( ... ) INTERNAL_CATCH_THROWS( "CATCH_CHECK_THROWS", Catch::ResultDisposition::ContinueOnFailure, "", __VA_ARGS__ )
	#define CATCH_CHECK_THROWS_AS( expr, exceptionType ) INTERNAL_CATCH_THROWS_AS( "CATCH_CHECK_THROWS_AS", exceptionType, Catch::ResultDisposition::ContinueOnFailure, expr )
	#define CATCH_CHECK_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "CATCH_CHECK_THROWS_WITH", Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
	#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
	#define CATCH_CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "CATCH_CHECK_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
	#endif // CATCH_CONFIG_DISABLE_MATCHERS
	#define CATCH_CHECK_NOTHROW( ... ) INTERNAL_CATCH_NO_THROW( "CATCH_CHECK_NOTHROW", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )

	#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
	#define CATCH_CHECK_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "CATCH_CHECK_THAT", matcher, Catch::ResultDisposition::ContinueOnFailure, arg )

	#define CATCH_REQUIRE_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "CATCH_REQUIRE_THAT", matcher, Catch::ResultDisposition::Normal, arg )
	#endif // CATCH_CONFIG_DISABLE_MATCHERS

	#define CATCH_INFO( msg ) INTERNAL_CATCH_INFO( "CATCH_INFO", msg )
	#define CATCH_WARN( msg ) INTERNAL_CATCH_MSG( "CATCH_WARN", Catch::ResultWas::Warning, Catch::ResultDisposition::ContinueOnFailure, msg )
	#define CATCH_CAPTURE( msg ) INTERNAL_CATCH_INFO( "CATCH_CAPTURE", #msg " := " << ::Catch::Detail::stringify(msg) )

	#define CATCH_TEST_CASE( ... ) INTERNAL_CATCH_TESTCASE( __VA_ARGS__ )
	#define CATCH_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEST_CASE_METHOD( className, __VA_ARGS__ )
	#define CATCH_METHOD_AS_TEST_CASE( method, ... ) INTERNAL_CATCH_METHOD_AS_TEST_CASE( method, __VA_ARGS__ )
	#define CATCH_REGISTER_TEST_CASE( Function, ... ) INTERNAL_CATCH_REGISTER_TESTCASE( Function, __VA_ARGS__ )
	#define CATCH_SECTION( ... ) INTERNAL_CATCH_SECTION( __VA_ARGS__ )
	#define CATCH_FAIL( ... ) INTERNAL_CATCH_MSG( "CATCH_FAIL", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::Normal, __VA_ARGS__ )
	#define CATCH_FAIL_CHECK( ... ) INTERNAL_CATCH_MSG( "CATCH_FAIL_CHECK", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
	#define CATCH_SUCCEED( ... ) INTERNAL_CATCH_MSG( "CATCH_SUCCEED", Catch::ResultWas::Ok, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )

	#define CATCH_ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE()

	// "BDD-style" convenience wrappers
	#define CATCH_SCENARIO( ... ) CATCH_TEST_CASE( "Scenario: " __VA_ARGS__ )
	#define CATCH_SCENARIO_METHOD( className, ... ) INTERNAL_CATCH_TEST_CASE_METHOD( className, "Scenario: " __VA_ARGS__ )
	#define CATCH_GIVEN( desc ) CATCH_SECTION( std::string( "Given: ") + desc )
	#define CATCH_WHEN( desc ) CATCH_SECTION( std::string( " When: ") + desc )
	#define CATCH_AND_WHEN( desc ) CATCH_SECTION( std::string( " And: ") + desc )
	#define CATCH_THEN( desc ) CATCH_SECTION( std::string( " Then: ") + desc )
	#define CATCH_AND_THEN( desc ) CATCH_SECTION( std::string( " And: ") + desc )

	// If CATCH_CONFIG_PREFIX_ALL is not defined then the CATCH_ prefix is not required
	#else

	#define REQUIRE( ... ) INTERNAL_CATCH_TEST( "REQUIRE", Catch::ResultDisposition::Normal, __VA_ARGS__ )
	#define REQUIRE_FALSE( ... ) INTERNAL_CATCH_TEST( "REQUIRE_FALSE", Catch::ResultDisposition::Normal \| Catch::ResultDisposition::FalseTest, __VA_ARGS__ )

	#define REQUIRE_THROWS( ... ) INTERNAL_CATCH_THROWS( "REQUIRE_THROWS", Catch::ResultDisposition::Normal, __VA_ARGS__ )
	#define REQUIRE_THROWS_AS( expr, exceptionType ) INTERNAL_CATCH_THROWS_AS( "REQUIRE_THROWS_AS", exceptionType, Catch::ResultDisposition::Normal, expr )
	#define REQUIRE_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "REQUIRE_THROWS_WITH", Catch::ResultDisposition::Normal, matcher, expr )
	#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
	#define REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "REQUIRE_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::Normal, matcher, expr )
	#endif // CATCH_CONFIG_DISABLE_MATCHERS
	#define REQUIRE_NOTHROW( ... ) INTERNAL_CATCH_NO_THROW( "REQUIRE_NOTHROW", Catch::ResultDisposition::Normal, __VA_ARGS__ )

	#define CHECK( ... ) INTERNAL_CATCH_TEST( "CHECK", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
	#define CHECK_FALSE( ... ) INTERNAL_CATCH_TEST( "CHECK_FALSE", Catch::ResultDisposition::ContinueOnFailure \| Catch::ResultDisposition::FalseTest, __VA_ARGS__ )
	#define CHECKED_IF( ... ) INTERNAL_CATCH_IF( "CHECKED_IF", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
	#define CHECKED_ELSE( ... ) INTERNAL_CATCH_ELSE( "CHECKED_ELSE", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
	#define CHECK_NOFAIL( ... ) INTERNAL_CATCH_TEST( "CHECK_NOFAIL", Catch::ResultDisposition::ContinueOnFailure \| Catch::ResultDisposition::SuppressFail, __VA_ARGS__ )

	#define CHECK_THROWS( ... ) INTERNAL_CATCH_THROWS( "CHECK_THROWS", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
	#define CHECK_THROWS_AS( expr, exceptionType ) INTERNAL_CATCH_THROWS_AS( "CHECK_THROWS_AS", exceptionType, Catch::ResultDisposition::ContinueOnFailure, expr )
	#define CHECK_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "CHECK_THROWS_WITH", Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
	#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
	#define CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "CHECK_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
	#endif // CATCH_CONFIG_DISABLE_MATCHERS
	#define CHECK_NOTHROW( ... ) INTERNAL_CATCH_NO_THROW( "CHECK_NOTHROW", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )

	#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
	#define CHECK_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "CHECK_THAT", matcher, Catch::ResultDisposition::ContinueOnFailure, arg )

	#define REQUIRE_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "REQUIRE_THAT", matcher, Catch::ResultDisposition::Normal, arg )
	#endif // CATCH_CONFIG_DISABLE_MATCHERS

	#define INFO( msg ) INTERNAL_CATCH_INFO( "INFO", msg )
	#define WARN( msg ) INTERNAL_CATCH_MSG( "WARN", Catch::ResultWas::Warning, Catch::ResultDisposition::ContinueOnFailure, msg )
	#define CAPTURE( msg ) INTERNAL_CATCH_INFO( "CAPTURE", #msg " := " << ::Catch::Detail::stringify(msg) )

	#define TEST_CASE( ... ) INTERNAL_CATCH_TESTCASE( __VA_ARGS__ )
	#define TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEST_CASE_METHOD( className, __VA_ARGS__ )
	#define METHOD_AS_TEST_CASE( method, ... ) INTERNAL_CATCH_METHOD_AS_TEST_CASE( method, __VA_ARGS__ )
	#define REGISTER_TEST_CASE( Function, ... ) INTERNAL_CATCH_REGISTER_TESTCASE( Function, __VA_ARGS__ )
	#define SECTION( ... ) INTERNAL_CATCH_SECTION( __VA_ARGS__ )
	#define FAIL( ... ) INTERNAL_CATCH_MSG( "FAIL", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::Normal, __VA_ARGS__ )
	#define FAIL_CHECK( ... ) INTERNAL_CATCH_MSG( "FAIL_CHECK", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
	#define SUCCEED( ... ) INTERNAL_CATCH_MSG( "SUCCEED", Catch::ResultWas::Ok, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
	#define ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE()

	#endif

	#define CATCH_TRANSLATE_EXCEPTION( signature ) INTERNAL_CATCH_TRANSLATE_EXCEPTION( signature )

	// "BDD-style" convenience wrappers
	#define SCENARIO( ... ) TEST_CASE( "Scenario: " __VA_ARGS__ )
	#define SCENARIO_METHOD( className, ... ) INTERNAL_CATCH_TEST_CASE_METHOD( className, "Scenario: " __VA_ARGS__ )

	#define GIVEN( desc ) SECTION( std::string(" Given: ") + desc )
	#define WHEN( desc ) SECTION( std::string(" When: ") + desc )
	#define AND_WHEN( desc ) SECTION( std::string("And when: ") + desc )
	#define THEN( desc ) SECTION( std::string(" Then: ") + desc )
	#define AND_THEN( desc ) SECTION( std::string(" And: ") + desc )

	using Catch::Detail::Approx;

	#else
	//////
	// If this config identifier is defined then all CATCH macros are prefixed with CATCH_
	#ifdef CATCH_CONFIG_PREFIX_ALL

	#define CATCH_REQUIRE( ... ) (void)(0)
	#define CATCH_REQUIRE_FALSE( ... ) (void)(0)

	#define CATCH_REQUIRE_THROWS( ... ) (void)(0)
	#define CATCH_REQUIRE_THROWS_AS( expr, exceptionType ) (void)(0)
	#define CATCH_REQUIRE_THROWS_WITH( expr, matcher ) (void)(0)
	#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
	#define CATCH_REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
	#endif// CATCH_CONFIG_DISABLE_MATCHERS
	#define CATCH_REQUIRE_NOTHROW( ... ) (void)(0)

	#define CATCH_CHECK( ... ) (void)(0)
	#define CATCH_CHECK_FALSE( ... ) (void)(0)
	#define CATCH_CHECKED_IF( ... ) if (__VA_ARGS__)
	#define CATCH_CHECKED_ELSE( ... ) if (!(__VA_ARGS__))
	#define CATCH_CHECK_NOFAIL( ... ) (void)(0)

	#define CATCH_CHECK_THROWS( ... ) (void)(0)
	#define CATCH_CHECK_THROWS_AS( expr, exceptionType ) (void)(0)
	#define CATCH_CHECK_THROWS_WITH( expr, matcher ) (void)(0)
	#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
	#define CATCH_CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
	#endif // CATCH_CONFIG_DISABLE_MATCHERS
	#define CATCH_CHECK_NOTHROW( ... ) (void)(0)

	#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
	#define CATCH_CHECK_THAT( arg, matcher ) (void)(0)

	#define CATCH_REQUIRE_THAT( arg, matcher ) (void)(0)
	#endif // CATCH_CONFIG_DISABLE_MATCHERS

	#define CATCH_INFO( msg ) (void)(0)
	#define CATCH_WARN( msg ) (void)(0)
	#define CATCH_CAPTURE( msg ) (void)(0)

	#define CATCH_TEST_CASE( ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
	#define CATCH_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
	#define CATCH_METHOD_AS_TEST_CASE( method, ... )
	#define CATCH_REGISTER_TEST_CASE( Function, ... ) (void)(0)
	#define CATCH_SECTION( ... )
	#define CATCH_FAIL( ... ) (void)(0)
	#define CATCH_FAIL_CHECK( ... ) (void)(0)
	#define CATCH_SUCCEED( ... ) (void)(0)

	#define CATCH_ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))

	// "BDD-style" convenience wrappers
	#define CATCH_SCENARIO( ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
	#define CATCH_SCENARIO_METHOD( className, ... ) INTERNAL_CATCH_TESTCASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ), className )
	#define CATCH_GIVEN( desc )
	#define CATCH_WHEN( desc )
	#define CATCH_AND_WHEN( desc )
	#define CATCH_THEN( desc )
	#define CATCH_AND_THEN( desc )

	// If CATCH_CONFIG_PREFIX_ALL is not defined then the CATCH_ prefix is not required
	#else

	#define REQUIRE( ... ) (void)(0)
	#define REQUIRE_FALSE( ... ) (void)(0)

	#define REQUIRE_THROWS( ... ) (void)(0)
	#define REQUIRE_THROWS_AS( expr, exceptionType ) (void)(0)
	#define REQUIRE_THROWS_WITH( expr, matcher ) (void)(0)
	#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
	#define REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
	#endif // CATCH_CONFIG_DISABLE_MATCHERS
	#define REQUIRE_NOTHROW( ... ) (void)(0)

	#define CHECK( ... ) (void)(0)
	#define CHECK_FALSE( ... ) (void)(0)
	#define CHECKED_IF( ... ) if (__VA_ARGS__)
	#define CHECKED_ELSE( ... ) if (!(__VA_ARGS__))
	#define CHECK_NOFAIL( ... ) (void)(0)

	#define CHECK_THROWS( ... ) (void)(0)
	#define CHECK_THROWS_AS( expr, exceptionType ) (void)(0)
	#define CHECK_THROWS_WITH( expr, matcher ) (void)(0)
	#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
	#define CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
	#endif // CATCH_CONFIG_DISABLE_MATCHERS
	#define CHECK_NOTHROW( ... ) (void)(0)

	#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
	#define CHECK_THAT( arg, matcher ) (void)(0)

	#define REQUIRE_THAT( arg, matcher ) (void)(0)
	#endif // CATCH_CONFIG_DISABLE_MATCHERS

	#define INFO( msg ) (void)(0)
	#define WARN( msg ) (void)(0)
	#define CAPTURE( msg ) (void)(0)

	#define TEST_CASE( ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
	#define TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
	#define METHOD_AS_TEST_CASE( method, ... )
	#define REGISTER_TEST_CASE( Function, ... ) (void)(0)
	#define SECTION( ... )
	#define FAIL( ... ) (void)(0)
	#define FAIL_CHECK( ... ) (void)(0)
	#define SUCCEED( ... ) (void)(0)
	#define ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))

	#endif

	#define CATCH_TRANSLATE_EXCEPTION( signature ) INTERNAL_CATCH_TRANSLATE_EXCEPTION_NO_REG( INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator ), signature )

	// "BDD-style" convenience wrappers
	#define SCENARIO( ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ) )
	#define SCENARIO_METHOD( className, ... ) INTERNAL_CATCH_TESTCASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ), className )

	#define GIVEN( desc )
	#define WHEN( desc )
	#define AND_WHEN( desc )
	#define THEN( desc )
	#define AND_THEN( desc )

	using Catch::Detail::Approx;

	#endif

	// start catch_reenable_warnings.h


	#ifdef __clang__
	# ifdef __ICC // icpc defines the __clang__ macro
	# pragma warning(pop)
	# else
	# pragma clang diagnostic pop
	# endif
	#elif defined __GNUC__
	# pragma GCC diagnostic pop
	#endif

	// end catch_reenable_warnings.h
	// end catch.hpp
	#endif // TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED

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