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gtest-port_test.cc
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gtest-port_test.cc
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			// Copyright 2008, Google Inc.
			// All rights reserved.
			//
			// Redistribution and use in source and binary forms, with or without
			// modification, are permitted provided that the following conditions are
			// met:
			//
			// * Redistributions of source code must retain the above copyright
			// notice, this list of conditions and the following disclaimer.
			// * Redistributions in binary form must reproduce the above
			// copyright notice, this list of conditions and the following disclaimer
			// in the documentation and/or other materials provided with the
			// distribution.
			// * Neither the name of Google Inc. nor the names of its
			// contributors may be used to endorse or promote products derived from
			// this software without specific prior written permission.
			//
			// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
			// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
			// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
			// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
			// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
			// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
			// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
			// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
			// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
			// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
			// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
			//
			// Authors: vladl@google.com (Vlad Losev), wan@google.com (Zhanyong Wan)
			//
			// This file tests the internal cross-platform support utilities.

			#include "gtest/internal/gtest-port.h"

			#include <stdio.h>

			#if GTEST_OS_MAC
			# include <time.h>
			#endif // GTEST_OS_MAC

			#include <list>
			#include <utility> // For std::pair and std::make_pair.
			#include <vector>

			#include "gtest/gtest.h"
			#include "gtest/gtest-spi.h"

			// Indicates that this translation unit is part of Google Test's
			// implementation. It must come before gtest-internal-inl.h is
			// included, or there will be a compiler error. This trick is to
			// prevent a user from accidentally including gtest-internal-inl.h in
			// their code.
			#define GTEST_IMPLEMENTATION_ 1
			#include "src/gtest-internal-inl.h"
			#undef GTEST_IMPLEMENTATION_

			using std::make_pair;
			using std::pair;

			namespace testing {
			namespace internal {

			TEST(IsXDigitTest, WorksForNarrowAscii) {
			EXPECT_TRUE(IsXDigit('0'));
			EXPECT_TRUE(IsXDigit('9'));
			EXPECT_TRUE(IsXDigit('A'));
			EXPECT_TRUE(IsXDigit('F'));
			EXPECT_TRUE(IsXDigit('a'));
			EXPECT_TRUE(IsXDigit('f'));

			EXPECT_FALSE(IsXDigit('-'));
			EXPECT_FALSE(IsXDigit('g'));
			EXPECT_FALSE(IsXDigit('G'));
			}

			TEST(IsXDigitTest, ReturnsFalseForNarrowNonAscii) {
			EXPECT_FALSE(IsXDigit('\x80'));
			EXPECT_FALSE(IsXDigit(static_cast<char>('0' \| '\x80')));
			}

			TEST(IsXDigitTest, WorksForWideAscii) {
			EXPECT_TRUE(IsXDigit(L'0'));
			EXPECT_TRUE(IsXDigit(L'9'));
			EXPECT_TRUE(IsXDigit(L'A'));
			EXPECT_TRUE(IsXDigit(L'F'));
			EXPECT_TRUE(IsXDigit(L'a'));
			EXPECT_TRUE(IsXDigit(L'f'));

			EXPECT_FALSE(IsXDigit(L'-'));
			EXPECT_FALSE(IsXDigit(L'g'));
			EXPECT_FALSE(IsXDigit(L'G'));
			}

			TEST(IsXDigitTest, ReturnsFalseForWideNonAscii) {
			EXPECT_FALSE(IsXDigit(static_cast<wchar_t>(0x80)));
			EXPECT_FALSE(IsXDigit(static_cast<wchar_t>(L'0' \| 0x80)));
			EXPECT_FALSE(IsXDigit(static_cast<wchar_t>(L'0' \| 0x100)));
			}

			class Base {
			public:
			// Copy constructor and assignment operator do exactly what we need, so we
			// use them.
			Base() : member_(0) {}
			explicit Base(int n) : member_(n) {}
			virtual ~Base() {}
			int member() { return member_; }

			private:
			int member_;
			};

			class Derived : public Base {
			public:
			explicit Derived(int n) : Base(n) {}
			};

			TEST(ImplicitCastTest, ConvertsPointers) {
			Derived derived(0);
			EXPECT_TRUE(&derived == ::testing::internal::ImplicitCast_<Base*>(&derived));
			}

			TEST(ImplicitCastTest, CanUseInheritance) {
			Derived derived(1);
			Base base = ::testing::internal::ImplicitCast_<Base>(derived);
			EXPECT_EQ(derived.member(), base.member());
			}

			class Castable {
			public:
			explicit Castable(bool* converted) : converted_(converted) {}
			operator Base() {
			*converted_ = true;
			return Base();
			}

			private:
			bool* converted_;
			};

			TEST(ImplicitCastTest, CanUseNonConstCastOperator) {
			bool converted = false;
			Castable castable(&converted);
			Base base = ::testing::internal::ImplicitCast_<Base>(castable);
			EXPECT_TRUE(converted);
			}

			class ConstCastable {
			public:
			explicit ConstCastable(bool* converted) : converted_(converted) {}
			operator Base() const {
			*converted_ = true;
			return Base();
			}

			private:
			bool* converted_;
			};

			TEST(ImplicitCastTest, CanUseConstCastOperatorOnConstValues) {
			bool converted = false;
			const ConstCastable const_castable(&converted);
			Base base = ::testing::internal::ImplicitCast_<Base>(const_castable);
			EXPECT_TRUE(converted);
			}

			class ConstAndNonConstCastable {
			public:
			ConstAndNonConstCastable(bool* converted, bool* const_converted)
			: converted_(converted), const_converted_(const_converted) {}
			operator Base() {
			*converted_ = true;
			return Base();
			}
			operator Base() const {
			*const_converted_ = true;
			return Base();
			}

			private:
			bool* converted_;
			bool* const_converted_;
			};

			TEST(ImplicitCastTest, CanSelectBetweenConstAndNonConstCasrAppropriately) {
			bool converted = false;
			bool const_converted = false;
			ConstAndNonConstCastable castable(&converted, &const_converted);
			Base base = ::testing::internal::ImplicitCast_<Base>(castable);
			EXPECT_TRUE(converted);
			EXPECT_FALSE(const_converted);

			converted = false;
			const_converted = false;
			const ConstAndNonConstCastable const_castable(&converted, &const_converted);
			base = ::testing::internal::ImplicitCast_<Base>(const_castable);
			EXPECT_FALSE(converted);
			EXPECT_TRUE(const_converted);
			}

			class To {
			public:
			To(bool* converted) { *converted = true; } // NOLINT
			};

			TEST(ImplicitCastTest, CanUseImplicitConstructor) {
			bool converted = false;
			To to = ::testing::internal::ImplicitCast_<To>(&converted);
			(void)to;
			EXPECT_TRUE(converted);
			}

			TEST(IteratorTraitsTest, WorksForSTLContainerIterators) {
			StaticAssertTypeEq<int,
			IteratorTraits< ::std::vector<int>::const_iterator>::value_type>();
			StaticAssertTypeEq<bool,
			IteratorTraits< ::std::list<bool>::iterator>::value_type>();
			}

			TEST(IteratorTraitsTest, WorksForPointerToNonConst) {
			StaticAssertTypeEq<char, IteratorTraits<char*>::value_type>();
			StaticAssertTypeEq<const void, IteratorTraits<const void*>::value_type>();
			}

			TEST(IteratorTraitsTest, WorksForPointerToConst) {
			StaticAssertTypeEq<char, IteratorTraits<const char*>::value_type>();
			StaticAssertTypeEq<const void*,
			IteratorTraits<const void* const*>::value_type>();
			}

			// Tests that the element_type typedef is available in scoped_ptr and refers
			// to the parameter type.
			TEST(ScopedPtrTest, DefinesElementType) {
			StaticAssertTypeEq<int, ::testing::internal::scoped_ptr<int>::element_type>();
			}

			// TODO(vladl@google.com): Implement THE REST of scoped_ptr tests.

			TEST(GtestCheckSyntaxTest, BehavesLikeASingleStatement) {
			if (AlwaysFalse())
			GTEST_CHECK_(false) << "This should never be executed; "
			"It's a compilation test only.";

			if (AlwaysTrue())
			GTEST_CHECK_(true);
			else
			; // NOLINT

			if (AlwaysFalse())
			; // NOLINT
			else
			GTEST_CHECK_(true) << "";
			}

			TEST(GtestCheckSyntaxTest, WorksWithSwitch) {
			switch (0) {
			case 1:
			break;
			default:
			GTEST_CHECK_(true);
			}

			switch (0)
			case 0:
			GTEST_CHECK_(true) << "Check failed in switch case";
			}

			// Verifies behavior of FormatFileLocation.
			TEST(FormatFileLocationTest, FormatsFileLocation) {
			EXPECT_PRED_FORMAT2(IsSubstring, "foo.cc", FormatFileLocation("foo.cc", 42));
			EXPECT_PRED_FORMAT2(IsSubstring, "42", FormatFileLocation("foo.cc", 42));
			}

			TEST(FormatFileLocationTest, FormatsUnknownFile) {
			EXPECT_PRED_FORMAT2(
			IsSubstring, "unknown file", FormatFileLocation(NULL, 42));
			EXPECT_PRED_FORMAT2(IsSubstring, "42", FormatFileLocation(NULL, 42));
			}

			TEST(FormatFileLocationTest, FormatsUknownLine) {
			EXPECT_EQ("foo.cc:", FormatFileLocation("foo.cc", -1));
			}

			TEST(FormatFileLocationTest, FormatsUknownFileAndLine) {
			EXPECT_EQ("unknown file:", FormatFileLocation(NULL, -1));
			}

			// Verifies behavior of FormatCompilerIndependentFileLocation.
			TEST(FormatCompilerIndependentFileLocationTest, FormatsFileLocation) {
			EXPECT_EQ("foo.cc:42", FormatCompilerIndependentFileLocation("foo.cc", 42));
			}

			TEST(FormatCompilerIndependentFileLocationTest, FormatsUknownFile) {
			EXPECT_EQ("unknown file:42",
			FormatCompilerIndependentFileLocation(NULL, 42));
			}

			TEST(FormatCompilerIndependentFileLocationTest, FormatsUknownLine) {
			EXPECT_EQ("foo.cc", FormatCompilerIndependentFileLocation("foo.cc", -1));
			}

			TEST(FormatCompilerIndependentFileLocationTest, FormatsUknownFileAndLine) {
			EXPECT_EQ("unknown file", FormatCompilerIndependentFileLocation(NULL, -1));
			}

			#if GTEST_OS_LINUX \|\| GTEST_OS_MAC \|\| GTEST_OS_QNX
			void* ThreadFunc(void* data) {
			internal::Mutex* mutex = static_cast<internal::Mutex*>(data);
			mutex->Lock();
			mutex->Unlock();
			return NULL;
			}

			TEST(GetThreadCountTest, ReturnsCorrectValue) {
			const size_t starting_count = GetThreadCount();
			pthread_t thread_id;

			internal::Mutex mutex;
			{
			internal::MutexLock lock(&mutex);
			pthread_attr_t attr;
			ASSERT_EQ(0, pthread_attr_init(&attr));
			ASSERT_EQ(0, pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE));

			const int status = pthread_create(&thread_id, &attr, &ThreadFunc, &mutex);
			ASSERT_EQ(0, pthread_attr_destroy(&attr));
			ASSERT_EQ(0, status);
			EXPECT_EQ(starting_count + 1, GetThreadCount());
			}

			void* dummy;
			ASSERT_EQ(0, pthread_join(thread_id, &dummy));

			// The OS may not immediately report the updated thread count after
			// joining a thread, causing flakiness in this test. To counter that, we
			// wait for up to .5 seconds for the OS to report the correct value.
			for (int i = 0; i < 5; ++i) {
			if (GetThreadCount() == starting_count)
			break;

			SleepMilliseconds(100);
			}

			EXPECT_EQ(starting_count, GetThreadCount());
			}
			#else
			TEST(GetThreadCountTest, ReturnsZeroWhenUnableToCountThreads) {
			EXPECT_EQ(0U, GetThreadCount());
			}
			#endif // GTEST_OS_LINUX \|\| GTEST_OS_MAC \|\| GTEST_OS_QNX

			TEST(GtestCheckDeathTest, DiesWithCorrectOutputOnFailure) {
			const bool a_false_condition = false;
			const char regex[] =
			#ifdef _MSC_VER
			"gtest-port_test\\.cc\$\\d+\$:"
			#elif GTEST_USES_POSIX_RE
			"gtest-port_test\\.cc:[0-9]+"
			#else
			"gtest-port_test\\.cc:\\d+"
			#endif // _MSC_VER
			".a_false_condition.Extra info.*";

			EXPECT_DEATH_IF_SUPPORTED(GTEST_CHECK_(a_false_condition) << "Extra info",
			regex);
			}

			#if GTEST_HAS_DEATH_TEST

			TEST(GtestCheckDeathTest, LivesSilentlyOnSuccess) {
			EXPECT_EXIT({
			GTEST_CHECK_(true) << "Extra info";
			::std::cerr << "Success\n";
			exit(0); },
			::testing::ExitedWithCode(0), "Success");
			}

			#endif // GTEST_HAS_DEATH_TEST

			// Verifies that Google Test choose regular expression engine appropriate to
			// the platform. The test will produce compiler errors in case of failure.
			// For simplicity, we only cover the most important platforms here.
			TEST(RegexEngineSelectionTest, SelectsCorrectRegexEngine) {
			#if !GTEST_USES_PCRE
			# if GTEST_HAS_POSIX_RE

			EXPECT_TRUE(GTEST_USES_POSIX_RE);

			# else

			EXPECT_TRUE(GTEST_USES_SIMPLE_RE);

			# endif
			#endif // !GTEST_USES_PCRE
			}

			#if GTEST_USES_POSIX_RE

			# if GTEST_HAS_TYPED_TEST

			template <typename Str>
			class RETest : public ::testing::Test {};

			// Defines StringTypes as the list of all string types that class RE
			// supports.
			typedef testing::Types<
			::std::string,
			# if GTEST_HAS_GLOBAL_STRING
			::string,
			# endif // GTEST_HAS_GLOBAL_STRING
			const char*> StringTypes;

			TYPED_TEST_CASE(RETest, StringTypes);

			// Tests RE's implicit constructors.
			TYPED_TEST(RETest, ImplicitConstructorWorks) {
			const RE empty(TypeParam(""));
			EXPECT_STREQ("", empty.pattern());

			const RE simple(TypeParam("hello"));
			EXPECT_STREQ("hello", simple.pattern());

			const RE normal(TypeParam(".*(\\w+)"));
			EXPECT_STREQ(".*(\\w+)", normal.pattern());
			}

			// Tests that RE's constructors reject invalid regular expressions.
			TYPED_TEST(RETest, RejectsInvalidRegex) {
			EXPECT_NONFATAL_FAILURE({
			const RE invalid(TypeParam("?"));
			}, "\"?\" is not a valid POSIX Extended regular expression.");
			}

			// Tests RE::FullMatch().
			TYPED_TEST(RETest, FullMatchWorks) {
			const RE empty(TypeParam(""));
			EXPECT_TRUE(RE::FullMatch(TypeParam(""), empty));
			EXPECT_FALSE(RE::FullMatch(TypeParam("a"), empty));

			const RE re(TypeParam("a.*z"));
			EXPECT_TRUE(RE::FullMatch(TypeParam("az"), re));
			EXPECT_TRUE(RE::FullMatch(TypeParam("axyz"), re));
			EXPECT_FALSE(RE::FullMatch(TypeParam("baz"), re));
			EXPECT_FALSE(RE::FullMatch(TypeParam("azy"), re));
			}

			// Tests RE::PartialMatch().
			TYPED_TEST(RETest, PartialMatchWorks) {
			const RE empty(TypeParam(""));
			EXPECT_TRUE(RE::PartialMatch(TypeParam(""), empty));
			EXPECT_TRUE(RE::PartialMatch(TypeParam("a"), empty));

			const RE re(TypeParam("a.*z"));
			EXPECT_TRUE(RE::PartialMatch(TypeParam("az"), re));
			EXPECT_TRUE(RE::PartialMatch(TypeParam("axyz"), re));
			EXPECT_TRUE(RE::PartialMatch(TypeParam("baz"), re));
			EXPECT_TRUE(RE::PartialMatch(TypeParam("azy"), re));
			EXPECT_FALSE(RE::PartialMatch(TypeParam("zza"), re));
			}

			# endif // GTEST_HAS_TYPED_TEST

			#elif GTEST_USES_SIMPLE_RE

			TEST(IsInSetTest, NulCharIsNotInAnySet) {
			EXPECT_FALSE(IsInSet('\0', ""));
			EXPECT_FALSE(IsInSet('\0', "\0"));
			EXPECT_FALSE(IsInSet('\0', "a"));
			}

			TEST(IsInSetTest, WorksForNonNulChars) {
			EXPECT_FALSE(IsInSet('a', "Ab"));
			EXPECT_FALSE(IsInSet('c', ""));

			EXPECT_TRUE(IsInSet('b', "bcd"));
			EXPECT_TRUE(IsInSet('b', "ab"));
			}

			TEST(IsAsciiDigitTest, IsFalseForNonDigit) {
			EXPECT_FALSE(IsAsciiDigit('\0'));
			EXPECT_FALSE(IsAsciiDigit(' '));
			EXPECT_FALSE(IsAsciiDigit('+'));
			EXPECT_FALSE(IsAsciiDigit('-'));
			EXPECT_FALSE(IsAsciiDigit('.'));
			EXPECT_FALSE(IsAsciiDigit('a'));
			}

			TEST(IsAsciiDigitTest, IsTrueForDigit) {
			EXPECT_TRUE(IsAsciiDigit('0'));
			EXPECT_TRUE(IsAsciiDigit('1'));
			EXPECT_TRUE(IsAsciiDigit('5'));
			EXPECT_TRUE(IsAsciiDigit('9'));
			}

			TEST(IsAsciiPunctTest, IsFalseForNonPunct) {
			EXPECT_FALSE(IsAsciiPunct('\0'));
			EXPECT_FALSE(IsAsciiPunct(' '));
			EXPECT_FALSE(IsAsciiPunct('\n'));
			EXPECT_FALSE(IsAsciiPunct('a'));
			EXPECT_FALSE(IsAsciiPunct('0'));
			}

			TEST(IsAsciiPunctTest, IsTrueForPunct) {
			for (const char* p = "^-!\"#$%&'()+,./:;<=>?@[\\]_`{\|}~"; p; p++) {
			EXPECT_PRED1(IsAsciiPunct, *p);
			}
			}

			TEST(IsRepeatTest, IsFalseForNonRepeatChar) {
			EXPECT_FALSE(IsRepeat('\0'));
			EXPECT_FALSE(IsRepeat(' '));
			EXPECT_FALSE(IsRepeat('a'));
			EXPECT_FALSE(IsRepeat('1'));
			EXPECT_FALSE(IsRepeat('-'));
			}

			TEST(IsRepeatTest, IsTrueForRepeatChar) {
			EXPECT_TRUE(IsRepeat('?'));
			EXPECT_TRUE(IsRepeat('*'));
			EXPECT_TRUE(IsRepeat('+'));
			}

			TEST(IsAsciiWhiteSpaceTest, IsFalseForNonWhiteSpace) {
			EXPECT_FALSE(IsAsciiWhiteSpace('\0'));
			EXPECT_FALSE(IsAsciiWhiteSpace('a'));
			EXPECT_FALSE(IsAsciiWhiteSpace('1'));
			EXPECT_FALSE(IsAsciiWhiteSpace('+'));
			EXPECT_FALSE(IsAsciiWhiteSpace('_'));
			}

			TEST(IsAsciiWhiteSpaceTest, IsTrueForWhiteSpace) {
			EXPECT_TRUE(IsAsciiWhiteSpace(' '));
			EXPECT_TRUE(IsAsciiWhiteSpace('\n'));
			EXPECT_TRUE(IsAsciiWhiteSpace('\r'));
			EXPECT_TRUE(IsAsciiWhiteSpace('\t'));
			EXPECT_TRUE(IsAsciiWhiteSpace('\v'));
			EXPECT_TRUE(IsAsciiWhiteSpace('\f'));
			}

			TEST(IsAsciiWordCharTest, IsFalseForNonWordChar) {
			EXPECT_FALSE(IsAsciiWordChar('\0'));
			EXPECT_FALSE(IsAsciiWordChar('+'));
			EXPECT_FALSE(IsAsciiWordChar('.'));
			EXPECT_FALSE(IsAsciiWordChar(' '));
			EXPECT_FALSE(IsAsciiWordChar('\n'));
			}

			TEST(IsAsciiWordCharTest, IsTrueForLetter) {
			EXPECT_TRUE(IsAsciiWordChar('a'));
			EXPECT_TRUE(IsAsciiWordChar('b'));
			EXPECT_TRUE(IsAsciiWordChar('A'));
			EXPECT_TRUE(IsAsciiWordChar('Z'));
			}

			TEST(IsAsciiWordCharTest, IsTrueForDigit) {
			EXPECT_TRUE(IsAsciiWordChar('0'));
			EXPECT_TRUE(IsAsciiWordChar('1'));
			EXPECT_TRUE(IsAsciiWordChar('7'));
			EXPECT_TRUE(IsAsciiWordChar('9'));
			}

			TEST(IsAsciiWordCharTest, IsTrueForUnderscore) {
			EXPECT_TRUE(IsAsciiWordChar('_'));
			}

			TEST(IsValidEscapeTest, IsFalseForNonPrintable) {
			EXPECT_FALSE(IsValidEscape('\0'));
			EXPECT_FALSE(IsValidEscape('\007'));
			}

			TEST(IsValidEscapeTest, IsFalseForDigit) {
			EXPECT_FALSE(IsValidEscape('0'));
			EXPECT_FALSE(IsValidEscape('9'));
			}

			TEST(IsValidEscapeTest, IsFalseForWhiteSpace) {
			EXPECT_FALSE(IsValidEscape(' '));
			EXPECT_FALSE(IsValidEscape('\n'));
			}

			TEST(IsValidEscapeTest, IsFalseForSomeLetter) {
			EXPECT_FALSE(IsValidEscape('a'));
			EXPECT_FALSE(IsValidEscape('Z'));
			}

			TEST(IsValidEscapeTest, IsTrueForPunct) {
			EXPECT_TRUE(IsValidEscape('.'));
			EXPECT_TRUE(IsValidEscape('-'));
			EXPECT_TRUE(IsValidEscape('^'));
			EXPECT_TRUE(IsValidEscape('$'));
			EXPECT_TRUE(IsValidEscape('('));
			EXPECT_TRUE(IsValidEscape(']'));
			EXPECT_TRUE(IsValidEscape('{'));
			EXPECT_TRUE(IsValidEscape('\|'));
			}

			TEST(IsValidEscapeTest, IsTrueForSomeLetter) {
			EXPECT_TRUE(IsValidEscape('d'));
			EXPECT_TRUE(IsValidEscape('D'));
			EXPECT_TRUE(IsValidEscape('s'));
			EXPECT_TRUE(IsValidEscape('S'));
			EXPECT_TRUE(IsValidEscape('w'));
			EXPECT_TRUE(IsValidEscape('W'));
			}

			TEST(AtomMatchesCharTest, EscapedPunct) {
			EXPECT_FALSE(AtomMatchesChar(true, '\\', '\0'));
			EXPECT_FALSE(AtomMatchesChar(true, '\\', ' '));
			EXPECT_FALSE(AtomMatchesChar(true, '_', '.'));
			EXPECT_FALSE(AtomMatchesChar(true, '.', 'a'));

			EXPECT_TRUE(AtomMatchesChar(true, '\\', '\\'));
			EXPECT_TRUE(AtomMatchesChar(true, '_', '_'));
			EXPECT_TRUE(AtomMatchesChar(true, '+', '+'));
			EXPECT_TRUE(AtomMatchesChar(true, '.', '.'));
			}

			TEST(AtomMatchesCharTest, Escaped_d) {
			EXPECT_FALSE(AtomMatchesChar(true, 'd', '\0'));
			EXPECT_FALSE(AtomMatchesChar(true, 'd', 'a'));
			EXPECT_FALSE(AtomMatchesChar(true, 'd', '.'));

			EXPECT_TRUE(AtomMatchesChar(true, 'd', '0'));
			EXPECT_TRUE(AtomMatchesChar(true, 'd', '9'));
			}

			TEST(AtomMatchesCharTest, Escaped_D) {
			EXPECT_FALSE(AtomMatchesChar(true, 'D', '0'));
			EXPECT_FALSE(AtomMatchesChar(true, 'D', '9'));

			EXPECT_TRUE(AtomMatchesChar(true, 'D', '\0'));
			EXPECT_TRUE(AtomMatchesChar(true, 'D', 'a'));
			EXPECT_TRUE(AtomMatchesChar(true, 'D', '-'));
			}

			TEST(AtomMatchesCharTest, Escaped_s) {
			EXPECT_FALSE(AtomMatchesChar(true, 's', '\0'));
			EXPECT_FALSE(AtomMatchesChar(true, 's', 'a'));
			EXPECT_FALSE(AtomMatchesChar(true, 's', '.'));
			EXPECT_FALSE(AtomMatchesChar(true, 's', '9'));

			EXPECT_TRUE(AtomMatchesChar(true, 's', ' '));
			EXPECT_TRUE(AtomMatchesChar(true, 's', '\n'));
			EXPECT_TRUE(AtomMatchesChar(true, 's', '\t'));
			}

			TEST(AtomMatchesCharTest, Escaped_S) {
			EXPECT_FALSE(AtomMatchesChar(true, 'S', ' '));
			EXPECT_FALSE(AtomMatchesChar(true, 'S', '\r'));

			EXPECT_TRUE(AtomMatchesChar(true, 'S', '\0'));
			EXPECT_TRUE(AtomMatchesChar(true, 'S', 'a'));
			EXPECT_TRUE(AtomMatchesChar(true, 'S', '9'));
			}

			TEST(AtomMatchesCharTest, Escaped_w) {
			EXPECT_FALSE(AtomMatchesChar(true, 'w', '\0'));
			EXPECT_FALSE(AtomMatchesChar(true, 'w', '+'));
			EXPECT_FALSE(AtomMatchesChar(true, 'w', ' '));
			EXPECT_FALSE(AtomMatchesChar(true, 'w', '\n'));

			EXPECT_TRUE(AtomMatchesChar(true, 'w', '0'));
			EXPECT_TRUE(AtomMatchesChar(true, 'w', 'b'));
			EXPECT_TRUE(AtomMatchesChar(true, 'w', 'C'));
			EXPECT_TRUE(AtomMatchesChar(true, 'w', '_'));
			}

			TEST(AtomMatchesCharTest, Escaped_W) {
			EXPECT_FALSE(AtomMatchesChar(true, 'W', 'A'));
			EXPECT_FALSE(AtomMatchesChar(true, 'W', 'b'));
			EXPECT_FALSE(AtomMatchesChar(true, 'W', '9'));
			EXPECT_FALSE(AtomMatchesChar(true, 'W', '_'));

			EXPECT_TRUE(AtomMatchesChar(true, 'W', '\0'));
			EXPECT_TRUE(AtomMatchesChar(true, 'W', '*'));
			EXPECT_TRUE(AtomMatchesChar(true, 'W', '\n'));
			}

			TEST(AtomMatchesCharTest, EscapedWhiteSpace) {
			EXPECT_FALSE(AtomMatchesChar(true, 'f', '\0'));
			EXPECT_FALSE(AtomMatchesChar(true, 'f', '\n'));
			EXPECT_FALSE(AtomMatchesChar(true, 'n', '\0'));
			EXPECT_FALSE(AtomMatchesChar(true, 'n', '\r'));
			EXPECT_FALSE(AtomMatchesChar(true, 'r', '\0'));
			EXPECT_FALSE(AtomMatchesChar(true, 'r', 'a'));
			EXPECT_FALSE(AtomMatchesChar(true, 't', '\0'));
			EXPECT_FALSE(AtomMatchesChar(true, 't', 't'));
			EXPECT_FALSE(AtomMatchesChar(true, 'v', '\0'));
			EXPECT_FALSE(AtomMatchesChar(true, 'v', '\f'));

			EXPECT_TRUE(AtomMatchesChar(true, 'f', '\f'));
			EXPECT_TRUE(AtomMatchesChar(true, 'n', '\n'));
			EXPECT_TRUE(AtomMatchesChar(true, 'r', '\r'));
			EXPECT_TRUE(AtomMatchesChar(true, 't', '\t'));
			EXPECT_TRUE(AtomMatchesChar(true, 'v', '\v'));
			}

			TEST(AtomMatchesCharTest, UnescapedDot) {
			EXPECT_FALSE(AtomMatchesChar(false, '.', '\n'));

			EXPECT_TRUE(AtomMatchesChar(false, '.', '\0'));
			EXPECT_TRUE(AtomMatchesChar(false, '.', '.'));
			EXPECT_TRUE(AtomMatchesChar(false, '.', 'a'));
			EXPECT_TRUE(AtomMatchesChar(false, '.', ' '));
			}

			TEST(AtomMatchesCharTest, UnescapedChar) {
			EXPECT_FALSE(AtomMatchesChar(false, 'a', '\0'));
			EXPECT_FALSE(AtomMatchesChar(false, 'a', 'b'));
			EXPECT_FALSE(AtomMatchesChar(false, '$', 'a'));

			EXPECT_TRUE(AtomMatchesChar(false, '$', '$'));
			EXPECT_TRUE(AtomMatchesChar(false, '5', '5'));
			EXPECT_TRUE(AtomMatchesChar(false, 'Z', 'Z'));
			}

			TEST(ValidateRegexTest, GeneratesFailureAndReturnsFalseForInvalid) {
			EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex(NULL)),
			"NULL is not a valid simple regular expression");
			EXPECT_NONFATAL_FAILURE(
			ASSERT_FALSE(ValidateRegex("a\\")),
			"Syntax error at index 1 in simple regular expression \"a\\\": ");
			EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("a\\")),
			"'\\' cannot appear at the end");
			EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("\\n\\")),
			"'\\' cannot appear at the end");
			EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("\\s\\hb")),
			"invalid escape sequence \"\\h\"");
			EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("^^")),
			"'^' can only appear at the beginning");
			EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex(".*^b")),
			"'^' can only appear at the beginning");
			EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("$$")),
			"'$' can only appear at the end");
			EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("^$a")),
			"'$' can only appear at the end");
			EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("a(b")),
			"'(' is unsupported");
			EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("ab)")),
			"')' is unsupported");
			EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("[ab")),
			"'[' is unsupported");
			EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("a{2")),
			"'{' is unsupported");
			EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("?")),
			"'?' can only follow a repeatable token");
			EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("^*")),
			"'*' can only follow a repeatable token");
			EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("5*+")),
			"'+' can only follow a repeatable token");
			}

			TEST(ValidateRegexTest, ReturnsTrueForValid) {
			EXPECT_TRUE(ValidateRegex(""));
			EXPECT_TRUE(ValidateRegex("a"));
			EXPECT_TRUE(ValidateRegex(".*"));
			EXPECT_TRUE(ValidateRegex("^a_+"));
			EXPECT_TRUE(ValidateRegex("^a\\t\\&?"));
			EXPECT_TRUE(ValidateRegex("09*$"));
			EXPECT_TRUE(ValidateRegex("^Z$"));
			EXPECT_TRUE(ValidateRegex("a\\^Z\\$\$\$\\\|\\[\\]\\{\\}"));
			}

			TEST(MatchRepetitionAndRegexAtHeadTest, WorksForZeroOrOne) {
			EXPECT_FALSE(MatchRepetitionAndRegexAtHead(false, 'a', '?', "a", "ba"));
			// Repeating more than once.
			EXPECT_FALSE(MatchRepetitionAndRegexAtHead(false, 'a', '?', "b", "aab"));

			// Repeating zero times.
			EXPECT_TRUE(MatchRepetitionAndRegexAtHead(false, 'a', '?', "b", "ba"));
			// Repeating once.
			EXPECT_TRUE(MatchRepetitionAndRegexAtHead(false, 'a', '?', "b", "ab"));
			EXPECT_TRUE(MatchRepetitionAndRegexAtHead(false, '#', '?', ".", "##"));
			}

			TEST(MatchRepetitionAndRegexAtHeadTest, WorksForZeroOrMany) {
			EXPECT_FALSE(MatchRepetitionAndRegexAtHead(false, '.', '*', "a$", "baab"));

			// Repeating zero times.
			EXPECT_TRUE(MatchRepetitionAndRegexAtHead(false, '.', '*', "b", "bc"));
			// Repeating once.
			EXPECT_TRUE(MatchRepetitionAndRegexAtHead(false, '.', '*', "b", "abc"));
			// Repeating more than once.
			EXPECT_TRUE(MatchRepetitionAndRegexAtHead(true, 'w', '*', "-", "ab_1-g"));
			}

			TEST(MatchRepetitionAndRegexAtHeadTest, WorksForOneOrMany) {
			EXPECT_FALSE(MatchRepetitionAndRegexAtHead(false, '.', '+', "a$", "baab"));
			// Repeating zero times.
			EXPECT_FALSE(MatchRepetitionAndRegexAtHead(false, '.', '+', "b", "bc"));

			// Repeating once.
			EXPECT_TRUE(MatchRepetitionAndRegexAtHead(false, '.', '+', "b", "abc"));
			// Repeating more than once.
			EXPECT_TRUE(MatchRepetitionAndRegexAtHead(true, 'w', '+', "-", "ab_1-g"));
			}

			TEST(MatchRegexAtHeadTest, ReturnsTrueForEmptyRegex) {
			EXPECT_TRUE(MatchRegexAtHead("", ""));
			EXPECT_TRUE(MatchRegexAtHead("", "ab"));
			}

			TEST(MatchRegexAtHeadTest, WorksWhenDollarIsInRegex) {
			EXPECT_FALSE(MatchRegexAtHead("$", "a"));

			EXPECT_TRUE(MatchRegexAtHead("$", ""));
			EXPECT_TRUE(MatchRegexAtHead("a$", "a"));
			}

			TEST(MatchRegexAtHeadTest, WorksWhenRegexStartsWithEscapeSequence) {
			EXPECT_FALSE(MatchRegexAtHead("\\w", "+"));
			EXPECT_FALSE(MatchRegexAtHead("\\W", "ab"));

			EXPECT_TRUE(MatchRegexAtHead("\\sa", "\nab"));
			EXPECT_TRUE(MatchRegexAtHead("\\d", "1a"));
			}

			TEST(MatchRegexAtHeadTest, WorksWhenRegexStartsWithRepetition) {
			EXPECT_FALSE(MatchRegexAtHead(".+a", "abc"));
			EXPECT_FALSE(MatchRegexAtHead("a?b", "aab"));

			EXPECT_TRUE(MatchRegexAtHead(".*a", "bc12-ab"));
			EXPECT_TRUE(MatchRegexAtHead("a?b", "b"));
			EXPECT_TRUE(MatchRegexAtHead("a?b", "ab"));
			}

			TEST(MatchRegexAtHeadTest,
			WorksWhenRegexStartsWithRepetionOfEscapeSequence) {
			EXPECT_FALSE(MatchRegexAtHead("\\.+a", "abc"));
			EXPECT_FALSE(MatchRegexAtHead("\\s?b", " b"));

			EXPECT_TRUE(MatchRegexAtHead("\\(*a", "((((ab"));
			EXPECT_TRUE(MatchRegexAtHead("\\^?b", "^b"));
			EXPECT_TRUE(MatchRegexAtHead("\\\\?b", "b"));
			EXPECT_TRUE(MatchRegexAtHead("\\\\?b", "\\b"));
			}

			TEST(MatchRegexAtHeadTest, MatchesSequentially) {
			EXPECT_FALSE(MatchRegexAtHead("ab.*c", "acabc"));

			EXPECT_TRUE(MatchRegexAtHead("ab.*c", "ab-fsc"));
			}

			TEST(MatchRegexAnywhereTest, ReturnsFalseWhenStringIsNull) {
			EXPECT_FALSE(MatchRegexAnywhere("", NULL));
			}

			TEST(MatchRegexAnywhereTest, WorksWhenRegexStartsWithCaret) {
			EXPECT_FALSE(MatchRegexAnywhere("^a", "ba"));
			EXPECT_FALSE(MatchRegexAnywhere("^$", "a"));

			EXPECT_TRUE(MatchRegexAnywhere("^a", "ab"));
			EXPECT_TRUE(MatchRegexAnywhere("^", "ab"));
			EXPECT_TRUE(MatchRegexAnywhere("^$", ""));
			}

			TEST(MatchRegexAnywhereTest, ReturnsFalseWhenNoMatch) {
			EXPECT_FALSE(MatchRegexAnywhere("a", "bcde123"));
			EXPECT_FALSE(MatchRegexAnywhere("a.+a", "--aa88888888"));
			}

			TEST(MatchRegexAnywhereTest, ReturnsTrueWhenMatchingPrefix) {
			EXPECT_TRUE(MatchRegexAnywhere("\\w+", "ab1_ - 5"));
			EXPECT_TRUE(MatchRegexAnywhere(".*=", "="));
			EXPECT_TRUE(MatchRegexAnywhere("x.ab?.bc", "xaaabc"));
			}

			TEST(MatchRegexAnywhereTest, ReturnsTrueWhenMatchingNonPrefix) {
			EXPECT_TRUE(MatchRegexAnywhere("\\w+", "$$$ ab1_ - 5"));
			EXPECT_TRUE(MatchRegexAnywhere("\\.+=", "= ...="));
			}

			// Tests RE's implicit constructors.
			TEST(RETest, ImplicitConstructorWorks) {
			const RE empty("");
			EXPECT_STREQ("", empty.pattern());

			const RE simple("hello");
			EXPECT_STREQ("hello", simple.pattern());
			}

			// Tests that RE's constructors reject invalid regular expressions.
			TEST(RETest, RejectsInvalidRegex) {
			EXPECT_NONFATAL_FAILURE({
			const RE normal(NULL);
			}, "NULL is not a valid simple regular expression");

			EXPECT_NONFATAL_FAILURE({
			const RE normal(".*(\\w+");
			}, "'(' is unsupported");

			EXPECT_NONFATAL_FAILURE({
			const RE invalid("^?");
			}, "'?' can only follow a repeatable token");
			}

			// Tests RE::FullMatch().
			TEST(RETest, FullMatchWorks) {
			const RE empty("");
			EXPECT_TRUE(RE::FullMatch("", empty));
			EXPECT_FALSE(RE::FullMatch("a", empty));

			const RE re1("a");
			EXPECT_TRUE(RE::FullMatch("a", re1));

			const RE re("a.*z");
			EXPECT_TRUE(RE::FullMatch("az", re));
			EXPECT_TRUE(RE::FullMatch("axyz", re));
			EXPECT_FALSE(RE::FullMatch("baz", re));
			EXPECT_FALSE(RE::FullMatch("azy", re));
			}

			// Tests RE::PartialMatch().
			TEST(RETest, PartialMatchWorks) {
			const RE empty("");
			EXPECT_TRUE(RE::PartialMatch("", empty));
			EXPECT_TRUE(RE::PartialMatch("a", empty));

			const RE re("a.*z");
			EXPECT_TRUE(RE::PartialMatch("az", re));
			EXPECT_TRUE(RE::PartialMatch("axyz", re));
			EXPECT_TRUE(RE::PartialMatch("baz", re));
			EXPECT_TRUE(RE::PartialMatch("azy", re));
			EXPECT_FALSE(RE::PartialMatch("zza", re));
			}

			#endif // GTEST_USES_POSIX_RE

			#if !GTEST_OS_WINDOWS_MOBILE

			TEST(CaptureTest, CapturesStdout) {
			CaptureStdout();
			fprintf(stdout, "abc");
			EXPECT_STREQ("abc", GetCapturedStdout().c_str());

			CaptureStdout();
			fprintf(stdout, "def%cghi", '\0');
			EXPECT_EQ(::std::string("def\0ghi", 7), ::std::string(GetCapturedStdout()));
			}

			TEST(CaptureTest, CapturesStderr) {
			CaptureStderr();
			fprintf(stderr, "jkl");
			EXPECT_STREQ("jkl", GetCapturedStderr().c_str());

			CaptureStderr();
			fprintf(stderr, "jkl%cmno", '\0');
			EXPECT_EQ(::std::string("jkl\0mno", 7), ::std::string(GetCapturedStderr()));
			}

			// Tests that stdout and stderr capture don't interfere with each other.
			TEST(CaptureTest, CapturesStdoutAndStderr) {
			CaptureStdout();
			CaptureStderr();
			fprintf(stdout, "pqr");
			fprintf(stderr, "stu");
			EXPECT_STREQ("pqr", GetCapturedStdout().c_str());
			EXPECT_STREQ("stu", GetCapturedStderr().c_str());
			}

			TEST(CaptureDeathTest, CannotReenterStdoutCapture) {
			CaptureStdout();
			EXPECT_DEATH_IF_SUPPORTED(CaptureStdout(),
			"Only one stdout capturer can exist at a time");
			GetCapturedStdout();

			// We cannot test stderr capturing using death tests as they use it
			// themselves.
			}

			#endif // !GTEST_OS_WINDOWS_MOBILE

			TEST(ThreadLocalTest, DefaultConstructorInitializesToDefaultValues) {
			ThreadLocal<int> t1;
			EXPECT_EQ(0, t1.get());

			ThreadLocal<void*> t2;
			EXPECT_TRUE(t2.get() == NULL);
			}

			TEST(ThreadLocalTest, SingleParamConstructorInitializesToParam) {
			ThreadLocal<int> t1(123);
			EXPECT_EQ(123, t1.get());

			int i = 0;
			ThreadLocal<int*> t2(&i);
			EXPECT_EQ(&i, t2.get());
			}

			class NoDefaultContructor {
			public:
			explicit NoDefaultContructor(const char*) {}
			NoDefaultContructor(const NoDefaultContructor&) {}
			};

			TEST(ThreadLocalTest, ValueDefaultContructorIsNotRequiredForParamVersion) {
			ThreadLocal<NoDefaultContructor> bar(NoDefaultContructor("foo"));
			bar.pointer();
			}

			TEST(ThreadLocalTest, GetAndPointerReturnSameValue) {
			ThreadLocal<std::string> thread_local_string;

			EXPECT_EQ(thread_local_string.pointer(), &(thread_local_string.get()));

			// Verifies the condition still holds after calling set.
			thread_local_string.set("foo");
			EXPECT_EQ(thread_local_string.pointer(), &(thread_local_string.get()));
			}

			TEST(ThreadLocalTest, PointerAndConstPointerReturnSameValue) {
			ThreadLocal<std::string> thread_local_string;
			const ThreadLocal<std::string>& const_thread_local_string =
			thread_local_string;

			EXPECT_EQ(thread_local_string.pointer(), const_thread_local_string.pointer());

			thread_local_string.set("foo");
			EXPECT_EQ(thread_local_string.pointer(), const_thread_local_string.pointer());
			}

			#if GTEST_IS_THREADSAFE

			void AddTwo(int* param) { *param += 2; }

			TEST(ThreadWithParamTest, ConstructorExecutesThreadFunc) {
			int i = 40;
			ThreadWithParam<int*> thread(&AddTwo, &i, NULL);
			thread.Join();
			EXPECT_EQ(42, i);
			}

			TEST(MutexDeathTest, AssertHeldShouldAssertWhenNotLocked) {
			// AssertHeld() is flaky only in the presence of multiple threads accessing
			// the lock. In this case, the test is robust.
			EXPECT_DEATH_IF_SUPPORTED({
			Mutex m;
			{ MutexLock lock(&m); }
			m.AssertHeld();
			},
			"thread .*hold");
			}

			TEST(MutexTest, AssertHeldShouldNotAssertWhenLocked) {
			Mutex m;
			MutexLock lock(&m);
			m.AssertHeld();
			}

			class AtomicCounterWithMutex {
			public:
			explicit AtomicCounterWithMutex(Mutex* mutex) :
			value_(0), mutex_(mutex), random_(42) {}

			void Increment() {
			MutexLock lock(mutex_);
			int temp = value_;
			{
			// We need to put up a memory barrier to prevent reads and writes to
			// value_ rearranged with the call to SleepMilliseconds when observed
			// from other threads.
			#if GTEST_HAS_PTHREAD
			// On POSIX, locking a mutex puts up a memory barrier. We cannot use
			// Mutex and MutexLock here or rely on their memory barrier
			// functionality as we are testing them here.
			pthread_mutex_t memory_barrier_mutex;
			GTEST_CHECK_POSIX_SUCCESS_(
			pthread_mutex_init(&memory_barrier_mutex, NULL));
			GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_lock(&memory_barrier_mutex));

			SleepMilliseconds(random_.Generate(30));

			GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_unlock(&memory_barrier_mutex));
			GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_destroy(&memory_barrier_mutex));
			#elif GTEST_OS_WINDOWS
			// On Windows, performing an interlocked access puts up a memory barrier.
			volatile LONG dummy = 0;
			::InterlockedIncrement(&dummy);
			SleepMilliseconds(random_.Generate(30));
			::InterlockedIncrement(&dummy);
			#else
			# error "Memory barrier not implemented on this platform."
			#endif // GTEST_HAS_PTHREAD
			}
			value_ = temp + 1;
			}
			int value() const { return value_; }

			private:
			volatile int value_;
			Mutex* const mutex_; // Protects value_.
			Random random_;
			};

			void CountingThreadFunc(pair<AtomicCounterWithMutex*, int> param) {
			for (int i = 0; i < param.second; ++i)
			param.first->Increment();
			}

			// Tests that the mutex only lets one thread at a time to lock it.
			TEST(MutexTest, OnlyOneThreadCanLockAtATime) {
			Mutex mutex;
			AtomicCounterWithMutex locked_counter(&mutex);

			typedef ThreadWithParam<pair<AtomicCounterWithMutex*, int> > ThreadType;
			const int kCycleCount = 20;
			const int kThreadCount = 7;
			scoped_ptr<ThreadType> counting_threads[kThreadCount];
			Notification threads_can_start;
			// Creates and runs kThreadCount threads that increment locked_counter
			// kCycleCount times each.
			for (int i = 0; i < kThreadCount; ++i) {
			counting_threads[i].reset(new ThreadType(&CountingThreadFunc,
			make_pair(&locked_counter,
			kCycleCount),
			&threads_can_start));
			}
			threads_can_start.Notify();
			for (int i = 0; i < kThreadCount; ++i)
			counting_threads[i]->Join();

			// If the mutex lets more than one thread to increment the counter at a
			// time, they are likely to encounter a race condition and have some
			// increments overwritten, resulting in the lower then expected counter
			// value.
			EXPECT_EQ(kCycleCount * kThreadCount, locked_counter.value());
			}

			template <typename T>
			void RunFromThread(void (func)(T), T param) {
			ThreadWithParam<T> thread(func, param, NULL);
			thread.Join();
			}

			void RetrieveThreadLocalValue(
			pair<ThreadLocal<std::string>, std::string> param) {
			*param.second = param.first->get();
			}

			TEST(ThreadLocalTest, ParameterizedConstructorSetsDefault) {
			ThreadLocal<std::string> thread_local_string("foo");
			EXPECT_STREQ("foo", thread_local_string.get().c_str());

			thread_local_string.set("bar");
			EXPECT_STREQ("bar", thread_local_string.get().c_str());

			std::string result;
			RunFromThread(&RetrieveThreadLocalValue,
			make_pair(&thread_local_string, &result));
			EXPECT_STREQ("foo", result.c_str());
			}

			// Keeps track of whether of destructors being called on instances of
			// DestructorTracker. On Windows, waits for the destructor call reports.
			class DestructorCall {
			public:
			DestructorCall() {
			invoked_ = false;
			#if GTEST_OS_WINDOWS
			wait_event_.Reset(::CreateEvent(NULL, TRUE, FALSE, NULL));
			GTEST_CHECK_(wait_event_.Get() != NULL);
			#endif
			}

			bool CheckDestroyed() const {
			#if GTEST_OS_WINDOWS
			if (::WaitForSingleObject(wait_event_.Get(), 1000) != WAIT_OBJECT_0)
			return false;
			#endif
			return invoked_;
			}

			void ReportDestroyed() {
			invoked_ = true;
			#if GTEST_OS_WINDOWS
			::SetEvent(wait_event_.Get());
			#endif
			}

			static std::vector<DestructorCall>& List() { return list_; }

			static void ResetList() {
			for (size_t i = 0; i < list_->size(); ++i) {
			delete list_->at(i);
			}
			list_->clear();
			}

			private:
			bool invoked_;
			#if GTEST_OS_WINDOWS
			AutoHandle wait_event_;
			#endif
			static std::vector<DestructorCall> const list_;

			GTEST_DISALLOW_COPY_AND_ASSIGN_(DestructorCall);
			};

			std::vector<DestructorCall> const DestructorCall::list_ =
			new std::vector<DestructorCall*>;

			// DestructorTracker keeps track of whether its instances have been
			// destroyed.
			class DestructorTracker {
			public:
			DestructorTracker() : index_(GetNewIndex()) {}
			DestructorTracker(const DestructorTracker& /* rhs */)
			: index_(GetNewIndex()) {}
			~DestructorTracker() {
			// We never access DestructorCall::List() concurrently, so we don't need
			// to protect this access with a mutex.
			DestructorCall::List()[index_]->ReportDestroyed();
			}

			private:
			static size_t GetNewIndex() {
			DestructorCall::List().push_back(new DestructorCall);
			return DestructorCall::List().size() - 1;
			}
			const size_t index_;

			GTEST_DISALLOW_ASSIGN_(DestructorTracker);
			};

			typedef ThreadLocal<DestructorTracker>* ThreadParam;

			void CallThreadLocalGet(ThreadParam thread_local_param) {
			thread_local_param->get();
			}

			// Tests that when a ThreadLocal object dies in a thread, it destroys
			// the managed object for that thread.
			TEST(ThreadLocalTest, DestroysManagedObjectForOwnThreadWhenDying) {
			DestructorCall::ResetList();

			{
			ThreadLocal<DestructorTracker> thread_local_tracker;
			ASSERT_EQ(0U, DestructorCall::List().size());

			// This creates another DestructorTracker object for the main thread.
			thread_local_tracker.get();
			ASSERT_EQ(1U, DestructorCall::List().size());
			ASSERT_FALSE(DestructorCall::List()[0]->CheckDestroyed());
			}

			// Now thread_local_tracker has died.
			ASSERT_EQ(1U, DestructorCall::List().size());
			EXPECT_TRUE(DestructorCall::List()[0]->CheckDestroyed());

			DestructorCall::ResetList();
			}

			// Tests that when a thread exits, the thread-local object for that
			// thread is destroyed.
			TEST(ThreadLocalTest, DestroysManagedObjectAtThreadExit) {
			DestructorCall::ResetList();

			{
			ThreadLocal<DestructorTracker> thread_local_tracker;
			ASSERT_EQ(0U, DestructorCall::List().size());

			// This creates another DestructorTracker object in the new thread.
			ThreadWithParam<ThreadParam> thread(
			&CallThreadLocalGet, &thread_local_tracker, NULL);
			thread.Join();

			// The thread has exited, and we should have a DestroyedTracker
			// instance created for it. But it may not have been destroyed yet.
			ASSERT_EQ(1U, DestructorCall::List().size());
			}

			// The thread has exited and thread_local_tracker has died.
			ASSERT_EQ(1U, DestructorCall::List().size());
			EXPECT_TRUE(DestructorCall::List()[0]->CheckDestroyed());

			DestructorCall::ResetList();
			}

			TEST(ThreadLocalTest, ThreadLocalMutationsAffectOnlyCurrentThread) {
			ThreadLocal<std::string> thread_local_string;
			thread_local_string.set("Foo");
			EXPECT_STREQ("Foo", thread_local_string.get().c_str());

			std::string result;
			RunFromThread(&RetrieveThreadLocalValue,
			make_pair(&thread_local_string, &result));
			EXPECT_TRUE(result.empty());
			}

			#endif // GTEST_IS_THREADSAFE

			#if GTEST_OS_WINDOWS
			TEST(WindowsTypesTest, HANDLEIsVoidStar) {
			StaticAssertTypeEq<HANDLE, void*>();
			}

			#if GTEST_OS_WINDOWS_MINGW && !defined(__MINGW64_VERSION_MAJOR)
			TEST(WindowsTypesTest, _CRITICAL_SECTIONIs_CRITICAL_SECTION) {
			StaticAssertTypeEq<CRITICAL_SECTION, _CRITICAL_SECTION>();
			}
			#else
			TEST(WindowsTypesTest, CRITICAL_SECTIONIs_RTL_CRITICAL_SECTION) {
			StaticAssertTypeEq<CRITICAL_SECTION, _RTL_CRITICAL_SECTION>();
			}
			#endif

			#endif // GTEST_OS_WINDOWS

			} // namespace internal
			} // namespace testing

NeuroProject/googletest/test/gtest-port_test.ccf38dc98d7e33master

gtest-port_test.ccView Options

NeuroProject/googletest/test/gtest-port_test.cc
f38dc98d7e33master

gtest-port_test.cc
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