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Diffstat (limited to 'googlemock/test/gmock-matchers_test.cc')
| -rw-r--r-- | googlemock/test/gmock-matchers_test.cc | 1167 |
1 files changed, 1167 insertions, 0 deletions
diff --git a/googlemock/test/gmock-matchers_test.cc b/googlemock/test/gmock-matchers_test.cc index a22ff34b..015bb09a 100644 --- a/googlemock/test/gmock-matchers_test.cc +++ b/googlemock/test/gmock-matchers_test.cc @@ -60,6 +60,8 @@ #include <sstream> #include <string> #include <type_traits> +#include <unordered_map> +#include <unordered_set> #include <utility> #include <vector> @@ -87,6 +89,7 @@ using std::vector; using testing::internal::DummyMatchResultListener; using testing::internal::ElementMatcherPair; using testing::internal::ElementMatcherPairs; +using testing::internal::ElementsAreArrayMatcher; using testing::internal::ExplainMatchFailureTupleTo; using testing::internal::FloatingEqMatcher; using testing::internal::FormatMatcherDescription; @@ -6950,6 +6953,1170 @@ TEST_F(PredicateFormatterFromMatcherTest, DetectsFlakyShortCircuit) { EXPECT_EQ(expect, result.message()); } +// 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(std::begin(a), std::end(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(std::begin(a), std::end(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) { + constexpr std::array<const char*, 2> strings = {{"Hi", "world"}}; + + vector<list<char>> nested; + for (const auto& s : strings) { + nested.emplace_back(s, s + strlen(s)); + } + + 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(std::begin(a), std::end(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(std::begin(a), std::end(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_METHOD(void, Helper, (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"))); +} + +// 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"; + +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(std::begin(a), std::end(a)); + EXPECT_THAT(test_vector, ElementsAreArray(a)); + + test_vector[2] = 0; + EXPECT_THAT(test_vector, Not(ElementsAreArray(a))); +} + +TEST(ElementsAreArrayTest, CanBeCreatedWithArraySize) { + std::array<const char*, 3> a = {{"one", "two", "three"}}; + + vector<std::string> test_vector(std::begin(a), std::end(a)); + EXPECT_THAT(test_vector, ElementsAreArray(a.data(), a.size())); + + const char** p = a.data(); + test_vector[0] = "1"; + EXPECT_THAT(test_vector, Not(ElementsAreArray(p, a.size()))); +} + +TEST(ElementsAreArrayTest, CanBeCreatedWithoutArraySize) { + const char* a[] = {"one", "two", "three"}; + + vector<std::string> test_vector(std::begin(a), std::end(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(std::begin(a), std::end(a)); + const vector<int> expected(std::begin(a), std::end(a)); + EXPECT_THAT(test_vector, ElementsAreArray(expected)); + test_vector.push_back(4); + EXPECT_THAT(test_vector, Not(ElementsAreArray(expected))); +} + +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)}))); +} + +TEST(ElementsAreArrayTest, CanBeCreatedWithMatcherVector) { + const int a[] = {1, 2, 3}; + const Matcher<int> kMatchers[] = {Eq(1), Eq(2), Eq(3)}; + vector<int> test_vector(std::begin(a), std::end(a)); + const vector<Matcher<int>> expected(std::begin(kMatchers), + std::end(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(std::begin(a), std::end(a)); + const vector<int> expected(std::begin(a), std::end(a)); + EXPECT_THAT(test_vector, ElementsAreArray(expected.begin(), expected.end())); + // Pointers are iterators, too. + EXPECT_THAT(test_vector, ElementsAreArray(std::begin(a), std::end(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(std::begin(a), std::end(a)); + vector<int> expect(std::begin(a), std::end(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. + for (int& i : expect) { + i += 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.empty(); +} + +MATCHER(IsEmptyStringByRef, "") { + StaticAssertTypeEq<const ::std::string&, arg_type>(); + return arg.empty(); +} + +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) { (void)value_; } + + UncopyableFoo(const UncopyableFoo&) = delete; + void operator=(const UncopyableFoo&) = delete; + + private: + 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&> const_m = + ReferencesAnyOf<const UncopyableFoo&, const UncopyableFoo&>(foo1, foo2); + + EXPECT_TRUE(const_m.Matches(foo1)); + EXPECT_TRUE(const_m.Matches(foo2)); + EXPECT_FALSE(const_m.Matches(foo3)); + + const Matcher<UncopyableFoo&> m = + ReferencesAnyOf<UncopyableFoo&, 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<std::string> 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<std::string> c_string_set; + c_string_set.insert("hello"); + EXPECT_THAT(c_string_set, Not(Contains(std::string("goodbye")))); +} + +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<std::string, 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(AllOfArrayTest, BasicForms) { + // Iterator + std::vector<int> v0{}; + std::vector<int> v1{1}; + std::vector<int> v2{2, 3}; + std::vector<int> v3{4, 4, 4}; + EXPECT_THAT(0, AllOfArray(v0.begin(), v0.end())); + EXPECT_THAT(1, AllOfArray(v1.begin(), v1.end())); + EXPECT_THAT(2, Not(AllOfArray(v1.begin(), v1.end()))); + EXPECT_THAT(3, Not(AllOfArray(v2.begin(), v2.end()))); + EXPECT_THAT(4, AllOfArray(v3.begin(), v3.end())); + // Pointer + size + int ar[6] = {1, 2, 3, 4, 4, 4}; + EXPECT_THAT(0, AllOfArray(ar, 0)); + EXPECT_THAT(1, AllOfArray(ar, 1)); + EXPECT_THAT(2, Not(AllOfArray(ar, 1))); + EXPECT_THAT(3, Not(AllOfArray(ar + 1, 3))); + EXPECT_THAT(4, AllOfArray(ar + 3, 3)); + // Array + // int ar0[0]; Not usable + int ar1[1] = {1}; + int ar2[2] = {2, 3}; + int ar3[3] = {4, 4, 4}; + // EXPECT_THAT(0, Not(AllOfArray(ar0))); // Cannot work + EXPECT_THAT(1, AllOfArray(ar1)); + EXPECT_THAT(2, Not(AllOfArray(ar1))); + EXPECT_THAT(3, Not(AllOfArray(ar2))); + EXPECT_THAT(4, AllOfArray(ar3)); + // Container + EXPECT_THAT(0, AllOfArray(v0)); + EXPECT_THAT(1, AllOfArray(v1)); + EXPECT_THAT(2, Not(AllOfArray(v1))); + EXPECT_THAT(3, Not(AllOfArray(v2))); + EXPECT_THAT(4, AllOfArray(v3)); + // Initializer + EXPECT_THAT(0, AllOfArray<int>({})); // Requires template arg. + EXPECT_THAT(1, AllOfArray({1})); + EXPECT_THAT(2, Not(AllOfArray({1}))); + EXPECT_THAT(3, Not(AllOfArray({2, 3}))); + EXPECT_THAT(4, AllOfArray({4, 4, 4})); +} + +TEST(AllOfArrayTest, Matchers) { + // vector + std::vector<Matcher<int>> matchers{Ge(1), Lt(2)}; + EXPECT_THAT(0, Not(AllOfArray(matchers))); + EXPECT_THAT(1, AllOfArray(matchers)); + EXPECT_THAT(2, Not(AllOfArray(matchers))); + // initializer_list + EXPECT_THAT(0, Not(AllOfArray({Ge(0), Ge(1)}))); + EXPECT_THAT(1, AllOfArray({Ge(0), Ge(1)})); +} + +TEST(AnyOfArrayTest, BasicForms) { + // Iterator + std::vector<int> v0{}; + std::vector<int> v1{1}; + std::vector<int> v2{2, 3}; + EXPECT_THAT(0, Not(AnyOfArray(v0.begin(), v0.end()))); + EXPECT_THAT(1, AnyOfArray(v1.begin(), v1.end())); + EXPECT_THAT(2, Not(AnyOfArray(v1.begin(), v1.end()))); + EXPECT_THAT(3, AnyOfArray(v2.begin(), v2.end())); + EXPECT_THAT(4, Not(AnyOfArray(v2.begin(), v2.end()))); + // Pointer + size + int ar[3] = {1, 2, 3}; + EXPECT_THAT(0, Not(AnyOfArray(ar, 0))); + EXPECT_THAT(1, AnyOfArray(ar, 1)); + EXPECT_THAT(2, Not(AnyOfArray(ar, 1))); + EXPECT_THAT(3, AnyOfArray(ar + 1, 2)); + EXPECT_THAT(4, Not(AnyOfArray(ar + 1, 2))); + // Array + // int ar0[0]; Not usable + int ar1[1] = {1}; + int ar2[2] = {2, 3}; + // EXPECT_THAT(0, Not(AnyOfArray(ar0))); // Cannot work + EXPECT_THAT(1, AnyOfArray(ar1)); + EXPECT_THAT(2, Not(AnyOfArray(ar1))); + EXPECT_THAT(3, AnyOfArray(ar2)); + EXPECT_THAT(4, Not(AnyOfArray(ar2))); + // Container + EXPECT_THAT(0, Not(AnyOfArray(v0))); + EXPECT_THAT(1, AnyOfArray(v1)); + EXPECT_THAT(2, Not(AnyOfArray(v1))); + EXPECT_THAT(3, AnyOfArray(v2)); + EXPECT_THAT(4, Not(AnyOfArray(v2))); + // Initializer + EXPECT_THAT(0, Not(AnyOfArray<int>({}))); // Requires template arg. + EXPECT_THAT(1, AnyOfArray({1})); + EXPECT_THAT(2, Not(AnyOfArray({1}))); + EXPECT_THAT(3, AnyOfArray({2, 3})); + EXPECT_THAT(4, Not(AnyOfArray({2, 3}))); +} + +TEST(AnyOfArrayTest, Matchers) { + // We negate test AllOfArrayTest.Matchers. + // vector + std::vector<Matcher<int>> matchers{Lt(1), Ge(2)}; + EXPECT_THAT(0, AnyOfArray(matchers)); + EXPECT_THAT(1, Not(AnyOfArray(matchers))); + EXPECT_THAT(2, AnyOfArray(matchers)); + // initializer_list + EXPECT_THAT(0, AnyOfArray({Lt(0), Lt(1)})); + EXPECT_THAT(1, Not(AllOfArray({Lt(0), Lt(1)}))); +} + +TEST(AnyOfArrayTest, ExplainsMatchResultCorrectly) { + // AnyOfArray and AllOfArry use the same underlying template-template, + // thus it is sufficient to test one here. + const std::vector<int> v0{}; + const std::vector<int> v1{1}; + const std::vector<int> v2{2, 3}; + const Matcher<int> m0 = AnyOfArray(v0); + const Matcher<int> m1 = AnyOfArray(v1); + const Matcher<int> m2 = AnyOfArray(v2); + EXPECT_EQ("", Explain(m0, 0)); + EXPECT_EQ("", Explain(m1, 1)); + EXPECT_EQ("", Explain(m1, 2)); + EXPECT_EQ("", Explain(m2, 3)); + EXPECT_EQ("", Explain(m2, 4)); + EXPECT_EQ("()", Describe(m0)); + EXPECT_EQ("(is equal to 1)", Describe(m1)); + EXPECT_EQ("(is equal to 2) or (is equal to 3)", Describe(m2)); + EXPECT_EQ("()", DescribeNegation(m0)); + EXPECT_EQ("(isn't equal to 1)", DescribeNegation(m1)); + EXPECT_EQ("(isn't equal to 2) and (isn't equal to 3)", DescribeNegation(m2)); + // Explain with matchers + const Matcher<int> g1 = AnyOfArray({GreaterThan(1)}); + const Matcher<int> g2 = AnyOfArray({GreaterThan(1), GreaterThan(2)}); + // Explains the first positiv match and all prior negative matches... + EXPECT_EQ("which is 1 less than 1", Explain(g1, 0)); + EXPECT_EQ("which is the same as 1", Explain(g1, 1)); + EXPECT_EQ("which is 1 more than 1", Explain(g1, 2)); + EXPECT_EQ("which is 1 less than 1, and which is 2 less than 2", + Explain(g2, 0)); + EXPECT_EQ("which is the same as 1, and which is 1 less than 2", + Explain(g2, 1)); + EXPECT_EQ("which is 1 more than 1", // Only the first + Explain(g2, 2)); +} + +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, "") { + (void)arg; + 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&, const T2&) { + return true; +} + +TEST(AnyOfTest, DoesNotCallAnyOfUnqualified) { + EXPECT_THAT(42, + testing::AnyOf(M(), M(), M(), M(), M(), M(), M(), M(), M(), M())); +} + +} // namespace adl_test + +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))); +} + } // namespace } // namespace gmock_matchers_test } // namespace testing |
