gmock-generated-matchers_test.cc
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gmock-generated-matchers_test.cc
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			// Copyright 2008, Google Inc.
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			// * Redistributions in binary form must reproduce the above
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			//
			// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
			// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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			// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
			// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

			// Google Mock - a framework for writing C++ mock classes.
			//
			// This file tests the built-in matchers generated by a script.

			// Silence warning C4244: 'initializing': conversion from 'int' to 'short',
			// possible loss of data and C4100, unreferenced local parameter
			#ifdef _MSC_VER
			# pragma warning(push)
			# pragma warning(disable:4244)
			# pragma warning(disable:4100)
			#endif

			#include "gmock/gmock-generated-matchers.h"

			#include <list>
			#include <map>
			#include <memory>
			#include <set>
			#include <sstream>
			#include <string>
			#include <utility>
			#include <vector>

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

			namespace {

			using std::list;
			using std::map;
			using std::pair;
			using std::set;
			using std::stringstream;
			using std::vector;
			using testing::_;
			using testing::AllOf;
			using testing::AnyOf;
			using testing::Args;
			using testing::Contains;
			using testing::ElementsAre;
			using testing::ElementsAreArray;
			using testing::Eq;
			using testing::Ge;
			using testing::Gt;
			using testing::Le;
			using testing::Lt;
			using testing::MakeMatcher;
			using testing::Matcher;
			using testing::MatcherInterface;
			using testing::MatchResultListener;
			using testing::Ne;
			using testing::Not;
			using testing::Pointee;
			using testing::PrintToString;
			using testing::Ref;
			using testing::StaticAssertTypeEq;
			using testing::StrEq;
			using testing::Value;
			using testing::internal::ElementsAreArrayMatcher;

			// Returns the description of the given matcher.
			template <typename T>
			std::string Describe(const Matcher<T>& m) {
			stringstream ss;
			m.DescribeTo(&ss);
			return ss.str();
			}

			// Returns the description of the negation of the given matcher.
			template <typename T>
			std::string DescribeNegation(const Matcher<T>& m) {
			stringstream ss;
			m.DescribeNegationTo(&ss);
			return ss.str();
			}

			// Returns the reason why x matches, or doesn't match, m.
			template <typename MatcherType, typename Value>
			std::string Explain(const MatcherType& m, const Value& x) {
			stringstream ss;
			m.ExplainMatchResultTo(x, &ss);
			return ss.str();
			}

			// For testing ExplainMatchResultTo().
			class GreaterThanMatcher : public MatcherInterface<int> {
			public:
			explicit GreaterThanMatcher(int rhs) : rhs_(rhs) {}

			void DescribeTo(::std::ostream* os) const override {
			*os << "is greater than " << rhs_;
			}

			bool MatchAndExplain(int lhs, MatchResultListener* listener) const override {
			const int diff = lhs - rhs_;
			if (diff > 0) {
			*listener << "which is " << diff << " more than " << rhs_;
			} else if (diff == 0) {
			*listener << "which is the same as " << rhs_;
			} else {
			*listener << "which is " << -diff << " less than " << rhs_;
			}

			return lhs > rhs_;
			}

			private:
			int rhs_;
			};

			Matcher<int> GreaterThan(int n) {
			return MakeMatcher(new GreaterThanMatcher(n));
			}

			// Tests for ElementsAre().

			TEST(ElementsAreTest, CanDescribeExpectingNoElement) {
			Matcher<const vector<int>&> m = ElementsAre();
			EXPECT_EQ("is empty", Describe(m));
			}

			TEST(ElementsAreTest, CanDescribeExpectingOneElement) {
			Matcher<vector<int> > m = ElementsAre(Gt(5));
			EXPECT_EQ("has 1 element that is > 5", Describe(m));
			}

			TEST(ElementsAreTest, CanDescribeExpectingManyElements) {
			Matcher<list<std::string> > m = ElementsAre(StrEq("one"), "two");
			EXPECT_EQ("has 2 elements where\n"
			"element #0 is equal to \"one\",\n"
			"element #1 is equal to \"two\"", Describe(m));
			}

			TEST(ElementsAreTest, CanDescribeNegationOfExpectingNoElement) {
			Matcher<vector<int> > m = ElementsAre();
			EXPECT_EQ("isn't empty", DescribeNegation(m));
			}

			TEST(ElementsAreTest, CanDescribeNegationOfExpectingOneElment) {
			Matcher<const list<int>& > m = ElementsAre(Gt(5));
			EXPECT_EQ("doesn't have 1 element, or\n"
			"element #0 isn't > 5", DescribeNegation(m));
			}

			TEST(ElementsAreTest, CanDescribeNegationOfExpectingManyElements) {
			Matcher<const list<std::string>&> m = ElementsAre("one", "two");
			EXPECT_EQ("doesn't have 2 elements, or\n"
			"element #0 isn't equal to \"one\", or\n"
			"element #1 isn't equal to \"two\"", DescribeNegation(m));
			}

			TEST(ElementsAreTest, DoesNotExplainTrivialMatch) {
			Matcher<const list<int>& > m = ElementsAre(1, Ne(2));

			list<int> test_list;
			test_list.push_back(1);
			test_list.push_back(3);
			EXPECT_EQ("", Explain(m, test_list)); // No need to explain anything.
			}

			TEST(ElementsAreTest, ExplainsNonTrivialMatch) {
			Matcher<const vector<int>& > m =
			ElementsAre(GreaterThan(1), 0, GreaterThan(2));

			const int a[] = { 10, 0, 100 };
			vector<int> test_vector(a, a + GTEST_ARRAY_SIZE_(a));
			EXPECT_EQ("whose element #0 matches, which is 9 more than 1,\n"
			"and whose element #2 matches, which is 98 more than 2",
			Explain(m, test_vector));
			}

			TEST(ElementsAreTest, CanExplainMismatchWrongSize) {
			Matcher<const list<int>& > m = ElementsAre(1, 3);

			list<int> test_list;
			// No need to explain when the container is empty.
			EXPECT_EQ("", Explain(m, test_list));

			test_list.push_back(1);
			EXPECT_EQ("which has 1 element", Explain(m, test_list));
			}

			TEST(ElementsAreTest, CanExplainMismatchRightSize) {
			Matcher<const vector<int>& > m = ElementsAre(1, GreaterThan(5));

			vector<int> v;
			v.push_back(2);
			v.push_back(1);
			EXPECT_EQ("whose element #0 doesn't match", Explain(m, v));

			v[0] = 1;
			EXPECT_EQ("whose element #1 doesn't match, which is 4 less than 5",
			Explain(m, v));
			}

			TEST(ElementsAreTest, MatchesOneElementVector) {
			vector<std::string> test_vector;
			test_vector.push_back("test string");

			EXPECT_THAT(test_vector, ElementsAre(StrEq("test string")));
			}

			TEST(ElementsAreTest, MatchesOneElementList) {
			list<std::string> test_list;
			test_list.push_back("test string");

			EXPECT_THAT(test_list, ElementsAre("test string"));
			}

			TEST(ElementsAreTest, MatchesThreeElementVector) {
			vector<std::string> test_vector;
			test_vector.push_back("one");
			test_vector.push_back("two");
			test_vector.push_back("three");

			EXPECT_THAT(test_vector, ElementsAre("one", StrEq("two"), _));
			}

			TEST(ElementsAreTest, MatchesOneElementEqMatcher) {
			vector<int> test_vector;
			test_vector.push_back(4);

			EXPECT_THAT(test_vector, ElementsAre(Eq(4)));
			}

			TEST(ElementsAreTest, MatchesOneElementAnyMatcher) {
			vector<int> test_vector;
			test_vector.push_back(4);

			EXPECT_THAT(test_vector, ElementsAre(_));
			}

			TEST(ElementsAreTest, MatchesOneElementValue) {
			vector<int> test_vector;
			test_vector.push_back(4);

			EXPECT_THAT(test_vector, ElementsAre(4));
			}

			TEST(ElementsAreTest, MatchesThreeElementsMixedMatchers) {
			vector<int> test_vector;
			test_vector.push_back(1);
			test_vector.push_back(2);
			test_vector.push_back(3);

			EXPECT_THAT(test_vector, ElementsAre(1, Eq(2), _));
			}

			TEST(ElementsAreTest, MatchesTenElementVector) {
			const int a[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
			vector<int> test_vector(a, a + GTEST_ARRAY_SIZE_(a));

			EXPECT_THAT(test_vector,
			// The element list can contain values and/or matchers
			// of different types.
			ElementsAre(0, Ge(0), _, 3, 4, Ne(2), Eq(6), 7, 8, _));
			}

			TEST(ElementsAreTest, DoesNotMatchWrongSize) {
			vector<std::string> test_vector;
			test_vector.push_back("test string");
			test_vector.push_back("test string");

			Matcher<vector<std::string> > m = ElementsAre(StrEq("test string"));
			EXPECT_FALSE(m.Matches(test_vector));
			}

			TEST(ElementsAreTest, DoesNotMatchWrongValue) {
			vector<std::string> test_vector;
			test_vector.push_back("other string");

			Matcher<vector<std::string> > m = ElementsAre(StrEq("test string"));
			EXPECT_FALSE(m.Matches(test_vector));
			}

			TEST(ElementsAreTest, DoesNotMatchWrongOrder) {
			vector<std::string> test_vector;
			test_vector.push_back("one");
			test_vector.push_back("three");
			test_vector.push_back("two");

			Matcher<vector<std::string> > m =
			ElementsAre(StrEq("one"), StrEq("two"), StrEq("three"));
			EXPECT_FALSE(m.Matches(test_vector));
			}

			TEST(ElementsAreTest, WorksForNestedContainer) {
			const char* strings[] = {
			"Hi",
			"world"
			};

			vector<list<char> > nested;
			for (size_t i = 0; i < GTEST_ARRAY_SIZE_(strings); i++) {
			nested.push_back(list<char>(strings[i], strings[i] + strlen(strings[i])));
			}

			EXPECT_THAT(nested, ElementsAre(ElementsAre('H', Ne('e')),
			ElementsAre('w', 'o', _, _, 'd')));
			EXPECT_THAT(nested, Not(ElementsAre(ElementsAre('H', 'e'),
			ElementsAre('w', 'o', _, _, 'd'))));
			}

			TEST(ElementsAreTest, WorksWithByRefElementMatchers) {
			int a[] = { 0, 1, 2 };
			vector<int> v(a, a + GTEST_ARRAY_SIZE_(a));

			EXPECT_THAT(v, ElementsAre(Ref(v[0]), Ref(v[1]), Ref(v[2])));
			EXPECT_THAT(v, Not(ElementsAre(Ref(v[0]), Ref(v[1]), Ref(a[2]))));
			}

			TEST(ElementsAreTest, WorksWithContainerPointerUsingPointee) {
			int a[] = { 0, 1, 2 };
			vector<int> v(a, a + GTEST_ARRAY_SIZE_(a));

			EXPECT_THAT(&v, Pointee(ElementsAre(0, 1, _)));
			EXPECT_THAT(&v, Not(Pointee(ElementsAre(0, _, 3))));
			}

			TEST(ElementsAreTest, WorksWithNativeArrayPassedByReference) {
			int array[] = { 0, 1, 2 };
			EXPECT_THAT(array, ElementsAre(0, 1, _));
			EXPECT_THAT(array, Not(ElementsAre(1, _, _)));
			EXPECT_THAT(array, Not(ElementsAre(0, _)));
			}

			class NativeArrayPassedAsPointerAndSize {
			public:
			NativeArrayPassedAsPointerAndSize() {}

			MOCK_METHOD2(Helper, void(int* array, int size));

			private:
			GTEST_DISALLOW_COPY_AND_ASSIGN_(NativeArrayPassedAsPointerAndSize);
			};

			TEST(ElementsAreTest, WorksWithNativeArrayPassedAsPointerAndSize) {
			int array[] = { 0, 1 };
			::std::tuple<int*, size_t> array_as_tuple(array, 2);
			EXPECT_THAT(array_as_tuple, ElementsAre(0, 1));
			EXPECT_THAT(array_as_tuple, Not(ElementsAre(0)));

			NativeArrayPassedAsPointerAndSize helper;
			EXPECT_CALL(helper, Helper(_, _))
			.With(ElementsAre(0, 1));
			helper.Helper(array, 2);
			}

			TEST(ElementsAreTest, WorksWithTwoDimensionalNativeArray) {
			const char a2[][3] = { "hi", "lo" };
			EXPECT_THAT(a2, ElementsAre(ElementsAre('h', 'i', '\0'),
			ElementsAre('l', 'o', '\0')));
			EXPECT_THAT(a2, ElementsAre(StrEq("hi"), StrEq("lo")));
			EXPECT_THAT(a2, ElementsAre(Not(ElementsAre('h', 'o', '\0')),
			ElementsAre('l', 'o', '\0')));
			}

			TEST(ElementsAreTest, AcceptsStringLiteral) {
			std::string array[] = {"hi", "one", "two"};
			EXPECT_THAT(array, ElementsAre("hi", "one", "two"));
			EXPECT_THAT(array, Not(ElementsAre("hi", "one", "too")));
			}

			#ifndef _MSC_VER

			// The following test passes a value of type const char[] to a
			// function template that expects const T&. Some versions of MSVC
			// generates a compiler error C2665 for that. We believe it's a bug
			// in MSVC. Therefore this test is #if-ed out for MSVC.

			// Declared here with the size unknown. Defined AFTER the following test.
			extern const char kHi[];

			TEST(ElementsAreTest, AcceptsArrayWithUnknownSize) {
			// The size of kHi is not known in this test, but ElementsAre() should
			// still accept it.

			std::string array1[] = {"hi"};
			EXPECT_THAT(array1, ElementsAre(kHi));

			std::string array2[] = {"ho"};
			EXPECT_THAT(array2, Not(ElementsAre(kHi)));
			}

			const char kHi[] = "hi";

			#endif // _MSC_VER

			TEST(ElementsAreTest, MakesCopyOfArguments) {
			int x = 1;
			int y = 2;
			// This should make a copy of x and y.
			::testing::internal::ElementsAreMatcher<std::tuple<int, int> >
			polymorphic_matcher = ElementsAre(x, y);
			// Changing x and y now shouldn't affect the meaning of the above matcher.
			x = y = 0;
			const int array1[] = { 1, 2 };
			EXPECT_THAT(array1, polymorphic_matcher);
			const int array2[] = { 0, 0 };
			EXPECT_THAT(array2, Not(polymorphic_matcher));
			}


			// Tests for ElementsAreArray(). Since ElementsAreArray() shares most
			// of the implementation with ElementsAre(), we don't test it as
			// thoroughly here.

			TEST(ElementsAreArrayTest, CanBeCreatedWithValueArray) {
			const int a[] = { 1, 2, 3 };

			vector<int> test_vector(a, a + GTEST_ARRAY_SIZE_(a));
			EXPECT_THAT(test_vector, ElementsAreArray(a));

			test_vector[2] = 0;
			EXPECT_THAT(test_vector, Not(ElementsAreArray(a)));
			}

			TEST(ElementsAreArrayTest, CanBeCreatedWithArraySize) {
			const char* a[] = { "one", "two", "three" };

			vector<std::string> test_vector(a, a + GTEST_ARRAY_SIZE_(a));
			EXPECT_THAT(test_vector, ElementsAreArray(a, GTEST_ARRAY_SIZE_(a)));

			const char** p = a;
			test_vector[0] = "1";
			EXPECT_THAT(test_vector, Not(ElementsAreArray(p, GTEST_ARRAY_SIZE_(a))));
			}

			TEST(ElementsAreArrayTest, CanBeCreatedWithoutArraySize) {
			const char* a[] = { "one", "two", "three" };

			vector<std::string> test_vector(a, a + GTEST_ARRAY_SIZE_(a));
			EXPECT_THAT(test_vector, ElementsAreArray(a));

			test_vector[0] = "1";
			EXPECT_THAT(test_vector, Not(ElementsAreArray(a)));
			}

			TEST(ElementsAreArrayTest, CanBeCreatedWithMatcherArray) {
			const Matcher<std::string> kMatcherArray[] = {StrEq("one"), StrEq("two"),
			StrEq("three")};

			vector<std::string> test_vector;
			test_vector.push_back("one");
			test_vector.push_back("two");
			test_vector.push_back("three");
			EXPECT_THAT(test_vector, ElementsAreArray(kMatcherArray));

			test_vector.push_back("three");
			EXPECT_THAT(test_vector, Not(ElementsAreArray(kMatcherArray)));
			}

			TEST(ElementsAreArrayTest, CanBeCreatedWithVector) {
			const int a[] = { 1, 2, 3 };
			vector<int> test_vector(a, a + GTEST_ARRAY_SIZE_(a));
			const vector<int> expected(a, a + GTEST_ARRAY_SIZE_(a));
			EXPECT_THAT(test_vector, ElementsAreArray(expected));
			test_vector.push_back(4);
			EXPECT_THAT(test_vector, Not(ElementsAreArray(expected)));
			}

			#if GTEST_HAS_STD_INITIALIZER_LIST_

			TEST(ElementsAreArrayTest, TakesInitializerList) {
			const int a[5] = { 1, 2, 3, 4, 5 };
			EXPECT_THAT(a, ElementsAreArray({ 1, 2, 3, 4, 5 }));
			EXPECT_THAT(a, Not(ElementsAreArray({ 1, 2, 3, 5, 4 })));
			EXPECT_THAT(a, Not(ElementsAreArray({ 1, 2, 3, 4, 6 })));
			}

			TEST(ElementsAreArrayTest, TakesInitializerListOfCStrings) {
			const std::string a[5] = {"a", "b", "c", "d", "e"};
			EXPECT_THAT(a, ElementsAreArray({ "a", "b", "c", "d", "e" }));
			EXPECT_THAT(a, Not(ElementsAreArray({ "a", "b", "c", "e", "d" })));
			EXPECT_THAT(a, Not(ElementsAreArray({ "a", "b", "c", "d", "ef" })));
			}

			TEST(ElementsAreArrayTest, TakesInitializerListOfSameTypedMatchers) {
			const int a[5] = { 1, 2, 3, 4, 5 };
			EXPECT_THAT(a, ElementsAreArray(
			{ Eq(1), Eq(2), Eq(3), Eq(4), Eq(5) }));
			EXPECT_THAT(a, Not(ElementsAreArray(
			{ Eq(1), Eq(2), Eq(3), Eq(4), Eq(6) })));
			}

			TEST(ElementsAreArrayTest,
			TakesInitializerListOfDifferentTypedMatchers) {
			const int a[5] = { 1, 2, 3, 4, 5 };
			// The compiler cannot infer the type of the initializer list if its
			// elements have different types. We must explicitly specify the
			// unified element type in this case.
			EXPECT_THAT(a, ElementsAreArray<Matcher<int> >(
			{ Eq(1), Ne(-2), Ge(3), Le(4), Eq(5) }));
			EXPECT_THAT(a, Not(ElementsAreArray<Matcher<int> >(
			{ Eq(1), Ne(-2), Ge(3), Le(4), Eq(6) })));
			}

			#endif // GTEST_HAS_STD_INITIALIZER_LIST_

			TEST(ElementsAreArrayTest, CanBeCreatedWithMatcherVector) {
			const int a[] = { 1, 2, 3 };
			const Matcher<int> kMatchers[] = { Eq(1), Eq(2), Eq(3) };
			vector<int> test_vector(a, a + GTEST_ARRAY_SIZE_(a));
			const vector<Matcher<int> > expected(
			kMatchers, kMatchers + GTEST_ARRAY_SIZE_(kMatchers));
			EXPECT_THAT(test_vector, ElementsAreArray(expected));
			test_vector.push_back(4);
			EXPECT_THAT(test_vector, Not(ElementsAreArray(expected)));
			}

			TEST(ElementsAreArrayTest, CanBeCreatedWithIteratorRange) {
			const int a[] = { 1, 2, 3 };
			const vector<int> test_vector(a, a + GTEST_ARRAY_SIZE_(a));
			const vector<int> expected(a, a + GTEST_ARRAY_SIZE_(a));
			EXPECT_THAT(test_vector, ElementsAreArray(expected.begin(), expected.end()));
			// Pointers are iterators, too.
			EXPECT_THAT(test_vector, ElementsAreArray(a, a + GTEST_ARRAY_SIZE_(a)));
			// The empty range of NULL pointers should also be okay.
			int* const null_int = nullptr;
			EXPECT_THAT(test_vector, Not(ElementsAreArray(null_int, null_int)));
			EXPECT_THAT((vector<int>()), ElementsAreArray(null_int, null_int));
			}

			// Since ElementsAre() and ElementsAreArray() share much of the
			// implementation, we only do a sanity test for native arrays here.
			TEST(ElementsAreArrayTest, WorksWithNativeArray) {
			::std::string a[] = { "hi", "ho" };
			::std::string b[] = { "hi", "ho" };

			EXPECT_THAT(a, ElementsAreArray(b));
			EXPECT_THAT(a, ElementsAreArray(b, 2));
			EXPECT_THAT(a, Not(ElementsAreArray(b, 1)));
			}

			TEST(ElementsAreArrayTest, SourceLifeSpan) {
			const int a[] = { 1, 2, 3 };
			vector<int> test_vector(a, a + GTEST_ARRAY_SIZE_(a));
			vector<int> expect(a, a + GTEST_ARRAY_SIZE_(a));
			ElementsAreArrayMatcher<int> matcher_maker =
			ElementsAreArray(expect.begin(), expect.end());
			EXPECT_THAT(test_vector, matcher_maker);
			// Changing in place the values that initialized matcher_maker should not
			// affect matcher_maker anymore. It should have made its own copy of them.
			typedef vector<int>::iterator Iter;
			for (Iter it = expect.begin(); it != expect.end(); ++it) { *it += 10; }
			EXPECT_THAT(test_vector, matcher_maker);
			test_vector.push_back(3);
			EXPECT_THAT(test_vector, Not(matcher_maker));
			}

			// Tests for the MATCHER*() macro family.

			// Tests that a simple MATCHER() definition works.

			MATCHER(IsEven, "") { return (arg % 2) == 0; }

			TEST(MatcherMacroTest, Works) {
			const Matcher<int> m = IsEven();
			EXPECT_TRUE(m.Matches(6));
			EXPECT_FALSE(m.Matches(7));

			EXPECT_EQ("is even", Describe(m));
			EXPECT_EQ("not (is even)", DescribeNegation(m));
			EXPECT_EQ("", Explain(m, 6));
			EXPECT_EQ("", Explain(m, 7));
			}

			// This also tests that the description string can reference 'negation'.
			MATCHER(IsEven2, negation ? "is odd" : "is even") {
			if ((arg % 2) == 0) {
			// Verifies that we can stream to result_listener, a listener
			// supplied by the MATCHER macro implicitly.
			*result_listener << "OK";
			return true;
			} else {
			*result_listener << "% 2 == " << (arg % 2);
			return false;
			}
			}

			// This also tests that the description string can reference matcher
			// parameters.
			MATCHER_P2(EqSumOf, x, y, std::string(negation ? "doesn't equal" : "equals") +
			" the sum of " + PrintToString(x) + " and " +
			PrintToString(y)) {
			if (arg == (x + y)) {
			*result_listener << "OK";
			return true;
			} else {
			// Verifies that we can stream to the underlying stream of
			// result_listener.
			if (result_listener->stream() != nullptr) {
			*result_listener->stream() << "diff == " << (x + y - arg);
			}
			return false;
			}
			}

			// Tests that the matcher description can reference 'negation' and the
			// matcher parameters.
			TEST(MatcherMacroTest, DescriptionCanReferenceNegationAndParameters) {
			const Matcher<int> m1 = IsEven2();
			EXPECT_EQ("is even", Describe(m1));
			EXPECT_EQ("is odd", DescribeNegation(m1));

			const Matcher<int> m2 = EqSumOf(5, 9);
			EXPECT_EQ("equals the sum of 5 and 9", Describe(m2));
			EXPECT_EQ("doesn't equal the sum of 5 and 9", DescribeNegation(m2));
			}

			// Tests explaining match result in a MATCHER* macro.
			TEST(MatcherMacroTest, CanExplainMatchResult) {
			const Matcher<int> m1 = IsEven2();
			EXPECT_EQ("OK", Explain(m1, 4));
			EXPECT_EQ("% 2 == 1", Explain(m1, 5));

			const Matcher<int> m2 = EqSumOf(1, 2);
			EXPECT_EQ("OK", Explain(m2, 3));
			EXPECT_EQ("diff == -1", Explain(m2, 4));
			}

			// Tests that the body of MATCHER() can reference the type of the
			// value being matched.

			MATCHER(IsEmptyString, "") {
			StaticAssertTypeEq< ::std::string, arg_type>();
			return arg == "";
			}

			MATCHER(IsEmptyStringByRef, "") {
			StaticAssertTypeEq<const ::std::string&, arg_type>();
			return arg == "";
			}

			TEST(MatcherMacroTest, CanReferenceArgType) {
			const Matcher< ::std::string> m1 = IsEmptyString();
			EXPECT_TRUE(m1.Matches(""));

			const Matcher<const ::std::string&> m2 = IsEmptyStringByRef();
			EXPECT_TRUE(m2.Matches(""));
			}

			// Tests that MATCHER() can be used in a namespace.

			namespace matcher_test {
			MATCHER(IsOdd, "") { return (arg % 2) != 0; }
			} // namespace matcher_test

			TEST(MatcherMacroTest, WorksInNamespace) {
			Matcher<int> m = matcher_test::IsOdd();
			EXPECT_FALSE(m.Matches(4));
			EXPECT_TRUE(m.Matches(5));
			}

			// Tests that Value() can be used to compose matchers.
			MATCHER(IsPositiveOdd, "") {
			return Value(arg, matcher_test::IsOdd()) && arg > 0;
			}

			TEST(MatcherMacroTest, CanBeComposedUsingValue) {
			EXPECT_THAT(3, IsPositiveOdd());
			EXPECT_THAT(4, Not(IsPositiveOdd()));
			EXPECT_THAT(-1, Not(IsPositiveOdd()));
			}

			// Tests that a simple MATCHER_P() definition works.

			MATCHER_P(IsGreaterThan32And, n, "") { return arg > 32 && arg > n; }

			TEST(MatcherPMacroTest, Works) {
			const Matcher<int> m = IsGreaterThan32And(5);
			EXPECT_TRUE(m.Matches(36));
			EXPECT_FALSE(m.Matches(5));

			EXPECT_EQ("is greater than 32 and 5", Describe(m));
			EXPECT_EQ("not (is greater than 32 and 5)", DescribeNegation(m));
			EXPECT_EQ("", Explain(m, 36));
			EXPECT_EQ("", Explain(m, 5));
			}

			// Tests that the description is calculated correctly from the matcher name.
			MATCHER_P(_is_Greater_Than32and_, n, "") { return arg > 32 && arg > n; }

			TEST(MatcherPMacroTest, GeneratesCorrectDescription) {
			const Matcher<int> m = _is_Greater_Than32and_(5);

			EXPECT_EQ("is greater than 32 and 5", Describe(m));
			EXPECT_EQ("not (is greater than 32 and 5)", DescribeNegation(m));
			EXPECT_EQ("", Explain(m, 36));
			EXPECT_EQ("", Explain(m, 5));
			}

			// Tests that a MATCHER_P matcher can be explicitly instantiated with
			// a reference parameter type.

			class UncopyableFoo {
			public:
			explicit UncopyableFoo(char value) : value_(value) {}
			private:
			UncopyableFoo(const UncopyableFoo&);
			void operator=(const UncopyableFoo&);

			char value_;
			};

			MATCHER_P(ReferencesUncopyable, variable, "") { return &arg == &variable; }

			TEST(MatcherPMacroTest, WorksWhenExplicitlyInstantiatedWithReference) {
			UncopyableFoo foo1('1'), foo2('2');
			const Matcher<const UncopyableFoo&> m =
			ReferencesUncopyable<const UncopyableFoo&>(foo1);

			EXPECT_TRUE(m.Matches(foo1));
			EXPECT_FALSE(m.Matches(foo2));

			// We don't want the address of the parameter printed, as most
			// likely it will just annoy the user. If the address is
			// interesting, the user should consider passing the parameter by
			// pointer instead.
			EXPECT_EQ("references uncopyable 1-byte object <31>", Describe(m));
			}


			// Tests that the body of MATCHER_Pn() can reference the parameter
			// types.

			MATCHER_P3(ParamTypesAreIntLongAndChar, foo, bar, baz, "") {
			StaticAssertTypeEq<int, foo_type>();
			StaticAssertTypeEq<long, bar_type>(); // NOLINT
			StaticAssertTypeEq<char, baz_type>();
			return arg == 0;
			}

			TEST(MatcherPnMacroTest, CanReferenceParamTypes) {
			EXPECT_THAT(0, ParamTypesAreIntLongAndChar(10, 20L, 'a'));
			}

			// Tests that a MATCHER_Pn matcher can be explicitly instantiated with
			// reference parameter types.

			MATCHER_P2(ReferencesAnyOf, variable1, variable2, "") {
			return &arg == &variable1 \|\| &arg == &variable2;
			}

			TEST(MatcherPnMacroTest, WorksWhenExplicitlyInstantiatedWithReferences) {
			UncopyableFoo foo1('1'), foo2('2'), foo3('3');
			const Matcher<const UncopyableFoo&> m =
			ReferencesAnyOf<const UncopyableFoo&, const UncopyableFoo&>(foo1, foo2);

			EXPECT_TRUE(m.Matches(foo1));
			EXPECT_TRUE(m.Matches(foo2));
			EXPECT_FALSE(m.Matches(foo3));
			}

			TEST(MatcherPnMacroTest,
			GeneratesCorretDescriptionWhenExplicitlyInstantiatedWithReferences) {
			UncopyableFoo foo1('1'), foo2('2');
			const Matcher<const UncopyableFoo&> m =
			ReferencesAnyOf<const UncopyableFoo&, const UncopyableFoo&>(foo1, foo2);

			// We don't want the addresses of the parameters printed, as most
			// likely they will just annoy the user. If the addresses are
			// interesting, the user should consider passing the parameters by
			// pointers instead.
			EXPECT_EQ("references any of (1-byte object <31>, 1-byte object <32>)",
			Describe(m));
			}

			// Tests that a simple MATCHER_P2() definition works.

			MATCHER_P2(IsNotInClosedRange, low, hi, "") { return arg < low \|\| arg > hi; }

			TEST(MatcherPnMacroTest, Works) {
			const Matcher<const long&> m = IsNotInClosedRange(10, 20); // NOLINT
			EXPECT_TRUE(m.Matches(36L));
			EXPECT_FALSE(m.Matches(15L));

			EXPECT_EQ("is not in closed range (10, 20)", Describe(m));
			EXPECT_EQ("not (is not in closed range (10, 20))", DescribeNegation(m));
			EXPECT_EQ("", Explain(m, 36L));
			EXPECT_EQ("", Explain(m, 15L));
			}

			// Tests that MATCHER*() definitions can be overloaded on the number
			// of parameters; also tests MATCHER_Pn() where n >= 3.

			MATCHER(EqualsSumOf, "") { return arg == 0; }
			MATCHER_P(EqualsSumOf, a, "") { return arg == a; }
			MATCHER_P2(EqualsSumOf, a, b, "") { return arg == a + b; }
			MATCHER_P3(EqualsSumOf, a, b, c, "") { return arg == a + b + c; }
			MATCHER_P4(EqualsSumOf, a, b, c, d, "") { return arg == a + b + c + d; }
			MATCHER_P5(EqualsSumOf, a, b, c, d, e, "") { return arg == a + b + c + d + e; }
			MATCHER_P6(EqualsSumOf, a, b, c, d, e, f, "") {
			return arg == a + b + c + d + e + f;
			}
			MATCHER_P7(EqualsSumOf, a, b, c, d, e, f, g, "") {
			return arg == a + b + c + d + e + f + g;
			}
			MATCHER_P8(EqualsSumOf, a, b, c, d, e, f, g, h, "") {
			return arg == a + b + c + d + e + f + g + h;
			}
			MATCHER_P9(EqualsSumOf, a, b, c, d, e, f, g, h, i, "") {
			return arg == a + b + c + d + e + f + g + h + i;
			}
			MATCHER_P10(EqualsSumOf, a, b, c, d, e, f, g, h, i, j, "") {
			return arg == a + b + c + d + e + f + g + h + i + j;
			}

			TEST(MatcherPnMacroTest, CanBeOverloadedOnNumberOfParameters) {
			EXPECT_THAT(0, EqualsSumOf());
			EXPECT_THAT(1, EqualsSumOf(1));
			EXPECT_THAT(12, EqualsSumOf(10, 2));
			EXPECT_THAT(123, EqualsSumOf(100, 20, 3));
			EXPECT_THAT(1234, EqualsSumOf(1000, 200, 30, 4));
			EXPECT_THAT(12345, EqualsSumOf(10000, 2000, 300, 40, 5));
			EXPECT_THAT("abcdef",
			EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f'));
			EXPECT_THAT("abcdefg",
			EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g'));
			EXPECT_THAT("abcdefgh",
			EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g',
			"h"));
			EXPECT_THAT("abcdefghi",
			EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g',
			"h", 'i'));
			EXPECT_THAT("abcdefghij",
			EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g',
			"h", 'i', ::std::string("j")));

			EXPECT_THAT(1, Not(EqualsSumOf()));
			EXPECT_THAT(-1, Not(EqualsSumOf(1)));
			EXPECT_THAT(-12, Not(EqualsSumOf(10, 2)));
			EXPECT_THAT(-123, Not(EqualsSumOf(100, 20, 3)));
			EXPECT_THAT(-1234, Not(EqualsSumOf(1000, 200, 30, 4)));
			EXPECT_THAT(-12345, Not(EqualsSumOf(10000, 2000, 300, 40, 5)));
			EXPECT_THAT("abcdef ",
			Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f')));
			EXPECT_THAT("abcdefg ",
			Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f',
			'g')));
			EXPECT_THAT("abcdefgh ",
			Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g',
			"h")));
			EXPECT_THAT("abcdefghi ",
			Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g',
			"h", 'i')));
			EXPECT_THAT("abcdefghij ",
			Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g',
			"h", 'i', ::std::string("j"))));
			}

			// Tests that a MATCHER_Pn() definition can be instantiated with any
			// compatible parameter types.
			TEST(MatcherPnMacroTest, WorksForDifferentParameterTypes) {
			EXPECT_THAT(123, EqualsSumOf(100L, 20, static_cast<char>(3)));
			EXPECT_THAT("abcd", EqualsSumOf(::std::string("a"), "b", 'c', "d"));

			EXPECT_THAT(124, Not(EqualsSumOf(100L, 20, static_cast<char>(3))));
			EXPECT_THAT("abcde", Not(EqualsSumOf(::std::string("a"), "b", 'c', "d")));
			}

			// Tests that the matcher body can promote the parameter types.

			MATCHER_P2(EqConcat, prefix, suffix, "") {
			// The following lines promote the two parameters to desired types.
			std::string prefix_str(prefix);
			char suffix_char = static_cast<char>(suffix);
			return arg == prefix_str + suffix_char;
			}

			TEST(MatcherPnMacroTest, SimpleTypePromotion) {
			Matcher<std::string> no_promo =
			EqConcat(std::string("foo"), 't');
			Matcher<const std::string&> promo =
			EqConcat("foo", static_cast<int>('t'));
			EXPECT_FALSE(no_promo.Matches("fool"));
			EXPECT_FALSE(promo.Matches("fool"));
			EXPECT_TRUE(no_promo.Matches("foot"));
			EXPECT_TRUE(promo.Matches("foot"));
			}

			// Verifies the type of a MATCHER*.

			TEST(MatcherPnMacroTest, TypesAreCorrect) {
			// EqualsSumOf() must be assignable to a EqualsSumOfMatcher variable.
			EqualsSumOfMatcher a0 = EqualsSumOf();

			// EqualsSumOf(1) must be assignable to a EqualsSumOfMatcherP variable.
			EqualsSumOfMatcherP<int> a1 = EqualsSumOf(1);

			// EqualsSumOf(p1, ..., pk) must be assignable to a EqualsSumOfMatcherPk
			// variable, and so on.
			EqualsSumOfMatcherP2<int, char> a2 = EqualsSumOf(1, '2');
			EqualsSumOfMatcherP3<int, int, char> a3 = EqualsSumOf(1, 2, '3');
			EqualsSumOfMatcherP4<int, int, int, char> a4 = EqualsSumOf(1, 2, 3, '4');
			EqualsSumOfMatcherP5<int, int, int, int, char> a5 =
			EqualsSumOf(1, 2, 3, 4, '5');
			EqualsSumOfMatcherP6<int, int, int, int, int, char> a6 =
			EqualsSumOf(1, 2, 3, 4, 5, '6');
			EqualsSumOfMatcherP7<int, int, int, int, int, int, char> a7 =
			EqualsSumOf(1, 2, 3, 4, 5, 6, '7');
			EqualsSumOfMatcherP8<int, int, int, int, int, int, int, char> a8 =
			EqualsSumOf(1, 2, 3, 4, 5, 6, 7, '8');
			EqualsSumOfMatcherP9<int, int, int, int, int, int, int, int, char> a9 =
			EqualsSumOf(1, 2, 3, 4, 5, 6, 7, 8, '9');
			EqualsSumOfMatcherP10<int, int, int, int, int, int, int, int, int, char> a10 =
			EqualsSumOf(1, 2, 3, 4, 5, 6, 7, 8, 9, '0');

			// Avoid "unused variable" warnings.
			(void)a0;
			(void)a1;
			(void)a2;
			(void)a3;
			(void)a4;
			(void)a5;
			(void)a6;
			(void)a7;
			(void)a8;
			(void)a9;
			(void)a10;
			}

			// Tests that matcher-typed parameters can be used in Value() inside a
			// MATCHER_Pn definition.

			// Succeeds if arg matches exactly 2 of the 3 matchers.
			MATCHER_P3(TwoOf, m1, m2, m3, "") {
			const int count = static_cast<int>(Value(arg, m1))
			+ static_cast<int>(Value(arg, m2)) + static_cast<int>(Value(arg, m3));
			return count == 2;
			}

			TEST(MatcherPnMacroTest, CanUseMatcherTypedParameterInValue) {
			EXPECT_THAT(42, TwoOf(Gt(0), Lt(50), Eq(10)));
			EXPECT_THAT(0, Not(TwoOf(Gt(-1), Lt(1), Eq(0))));
			}

			// Tests Contains().

			TEST(ContainsTest, ListMatchesWhenElementIsInContainer) {
			list<int> some_list;
			some_list.push_back(3);
			some_list.push_back(1);
			some_list.push_back(2);
			EXPECT_THAT(some_list, Contains(1));
			EXPECT_THAT(some_list, Contains(Gt(2.5)));
			EXPECT_THAT(some_list, Contains(Eq(2.0f)));

			list<std::string> another_list;
			another_list.push_back("fee");
			another_list.push_back("fie");
			another_list.push_back("foe");
			another_list.push_back("fum");
			EXPECT_THAT(another_list, Contains(std::string("fee")));
			}

			TEST(ContainsTest, ListDoesNotMatchWhenElementIsNotInContainer) {
			list<int> some_list;
			some_list.push_back(3);
			some_list.push_back(1);
			EXPECT_THAT(some_list, Not(Contains(4)));
			}

			TEST(ContainsTest, SetMatchesWhenElementIsInContainer) {
			set<int> some_set;
			some_set.insert(3);
			some_set.insert(1);
			some_set.insert(2);
			EXPECT_THAT(some_set, Contains(Eq(1.0)));
			EXPECT_THAT(some_set, Contains(Eq(3.0f)));
			EXPECT_THAT(some_set, Contains(2));

			set<const char*> another_set;
			another_set.insert("fee");
			another_set.insert("fie");
			another_set.insert("foe");
			another_set.insert("fum");
			EXPECT_THAT(another_set, Contains(Eq(std::string("fum"))));
			}

			TEST(ContainsTest, SetDoesNotMatchWhenElementIsNotInContainer) {
			set<int> some_set;
			some_set.insert(3);
			some_set.insert(1);
			EXPECT_THAT(some_set, Not(Contains(4)));

			set<const char*> c_string_set;
			c_string_set.insert("hello");
			EXPECT_THAT(c_string_set, Not(Contains(std::string("hello").c_str())));
			}

			TEST(ContainsTest, ExplainsMatchResultCorrectly) {
			const int a[2] = { 1, 2 };
			Matcher<const int (&)[2]> m = Contains(2);
			EXPECT_EQ("whose element #1 matches", Explain(m, a));

			m = Contains(3);
			EXPECT_EQ("", Explain(m, a));

			m = Contains(GreaterThan(0));
			EXPECT_EQ("whose element #0 matches, which is 1 more than 0", Explain(m, a));

			m = Contains(GreaterThan(10));
			EXPECT_EQ("", Explain(m, a));
			}

			TEST(ContainsTest, DescribesItselfCorrectly) {
			Matcher<vector<int> > m = Contains(1);
			EXPECT_EQ("contains at least one element that is equal to 1", Describe(m));

			Matcher<vector<int> > m2 = Not(m);
			EXPECT_EQ("doesn't contain any element that is equal to 1", Describe(m2));
			}

			TEST(ContainsTest, MapMatchesWhenElementIsInContainer) {
			map<const char*, int> my_map;
			const char* bar = "a string";
			my_map[bar] = 2;
			EXPECT_THAT(my_map, Contains(pair<const char* const, int>(bar, 2)));

			map<std::string, int> another_map;
			another_map["fee"] = 1;
			another_map["fie"] = 2;
			another_map["foe"] = 3;
			another_map["fum"] = 4;
			EXPECT_THAT(another_map,
			Contains(pair<const std::string, int>(std::string("fee"), 1)));
			EXPECT_THAT(another_map, Contains(pair<const std::string, int>("fie", 2)));
			}

			TEST(ContainsTest, MapDoesNotMatchWhenElementIsNotInContainer) {
			map<int, int> some_map;
			some_map[1] = 11;
			some_map[2] = 22;
			EXPECT_THAT(some_map, Not(Contains(pair<const int, int>(2, 23))));
			}

			TEST(ContainsTest, ArrayMatchesWhenElementIsInContainer) {
			const char* string_array[] = { "fee", "fie", "foe", "fum" };
			EXPECT_THAT(string_array, Contains(Eq(std::string("fum"))));
			}

			TEST(ContainsTest, ArrayDoesNotMatchWhenElementIsNotInContainer) {
			int int_array[] = { 1, 2, 3, 4 };
			EXPECT_THAT(int_array, Not(Contains(5)));
			}

			TEST(ContainsTest, AcceptsMatcher) {
			const int a[] = { 1, 2, 3 };
			EXPECT_THAT(a, Contains(Gt(2)));
			EXPECT_THAT(a, Not(Contains(Gt(4))));
			}

			TEST(ContainsTest, WorksForNativeArrayAsTuple) {
			const int a[] = { 1, 2 };
			const int* const pointer = a;
			EXPECT_THAT(std::make_tuple(pointer, 2), Contains(1));
			EXPECT_THAT(std::make_tuple(pointer, 2), Not(Contains(Gt(3))));
			}

			TEST(ContainsTest, WorksForTwoDimensionalNativeArray) {
			int a[][3] = { { 1, 2, 3 }, { 4, 5, 6 } };
			EXPECT_THAT(a, Contains(ElementsAre(4, 5, 6)));
			EXPECT_THAT(a, Contains(Contains(5)));
			EXPECT_THAT(a, Not(Contains(ElementsAre(3, 4, 5))));
			EXPECT_THAT(a, Contains(Not(Contains(5))));
			}

			TEST(AllOfTest, HugeMatcher) {
			// Verify that using AllOf with many arguments doesn't cause
			// the compiler to exceed template instantiation depth limit.
			EXPECT_THAT(0, testing::AllOf(_, _, _, _, _, _, _, _, _,
			testing::AllOf(_, _, _, _, _, _, _, _, _, _)));
			}

			TEST(AnyOfTest, HugeMatcher) {
			// Verify that using AnyOf with many arguments doesn't cause
			// the compiler to exceed template instantiation depth limit.
			EXPECT_THAT(0, testing::AnyOf(_, _, _, _, _, _, _, _, _,
			testing::AnyOf(_, _, _, _, _, _, _, _, _, _)));
			}

			namespace adl_test {

			// Verifies that the implementation of ::testing::AllOf and ::testing::AnyOf
			// don't issue unqualified recursive calls. If they do, the argument dependent
			// name lookup will cause AllOf/AnyOf in the 'adl_test' namespace to be found
			// as a candidate and the compilation will break due to an ambiguous overload.

			// The matcher must be in the same namespace as AllOf/AnyOf to make argument
			// dependent lookup find those.
			MATCHER(M, "") { return true; }

			template <typename T1, typename T2>
			bool AllOf(const T1& t1, const T2& t2) { return true; }

			TEST(AllOfTest, DoesNotCallAllOfUnqualified) {
			EXPECT_THAT(42, testing::AllOf(
			M(), M(), M(), M(), M(), M(), M(), M(), M(), M()));
			}

			template <typename T1, typename T2> bool
			AnyOf(const T1& t1, const T2& t2) { return true; }

			TEST(AnyOfTest, DoesNotCallAnyOfUnqualified) {
			EXPECT_THAT(42, testing::AnyOf(
			M(), M(), M(), M(), M(), M(), M(), M(), M(), M()));
			}

			} // namespace adl_test

			#if GTEST_LANG_CXX11

			TEST(AllOfTest, WorksOnMoveOnlyType) {
			std::unique_ptr<int> p(new int(3));
			EXPECT_THAT(p, AllOf(Pointee(Eq(3)), Pointee(Gt(0)), Pointee(Lt(5))));
			EXPECT_THAT(p, Not(AllOf(Pointee(Eq(3)), Pointee(Gt(0)), Pointee(Lt(3)))));
			}

			TEST(AnyOfTest, WorksOnMoveOnlyType) {
			std::unique_ptr<int> p(new int(3));
			EXPECT_THAT(p, AnyOf(Pointee(Eq(5)), Pointee(Lt(0)), Pointee(Lt(5))));
			EXPECT_THAT(p, Not(AnyOf(Pointee(Eq(5)), Pointee(Lt(0)), Pointee(Gt(5)))));
			}

			MATCHER(IsNotNull, "") {
			return arg != nullptr;
			}

			// Verifies that a matcher defined using MATCHER() can work on
			// move-only types.
			TEST(MatcherMacroTest, WorksOnMoveOnlyType) {
			std::unique_ptr<int> p(new int(3));
			EXPECT_THAT(p, IsNotNull());
			EXPECT_THAT(std::unique_ptr<int>(), Not(IsNotNull()));
			}

			MATCHER_P(UniquePointee, pointee, "") {
			return *arg == pointee;
			}

			// Verifies that a matcher defined using MATCHER_P*() can work on
			// move-only types.
			TEST(MatcherPMacroTest, WorksOnMoveOnlyType) {
			std::unique_ptr<int> p(new int(3));
			EXPECT_THAT(p, UniquePointee(3));
			EXPECT_THAT(p, Not(UniquePointee(2)));
			}

			#endif // GTEST_LASNG_CXX11

			} // namespace

			#ifdef _MSC_VER
			# pragma warning(pop)
			#endif

R7934/Final_v1.4/lib/googletest-master/googlemock/test/gmock-generated-matchers_test.cc69abbb54d8d1master

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R7934/Final_v1.4/lib/googletest-master/googlemock/test/gmock-generated-matchers_test.cc
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gmock-generated-matchers_test.cc
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