Googletest export
Allow container matchers to accept move-only containers. PiperOrigin-RevId: 225667441
This commit is contained in:
Abseil Team
Mark Barolak
parent
096fb37a19
commit
1ec20f87e3
@ -1959,7 +1959,7 @@ class SizeIsMatcher {
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template <typename Container>
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operator Matcher<Container>() const {
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return MakeMatcher(new Impl<Container>(size_matcher_));
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return Matcher<Container>(new Impl<const Container&>(size_matcher_));
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}
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template <typename Container>
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@ -2009,7 +2009,7 @@ class BeginEndDistanceIsMatcher {
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template <typename Container>
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operator Matcher<Container>() const {
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return MakeMatcher(new Impl<Container>(distance_matcher_));
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return Matcher<Container>(new Impl<const Container&>(distance_matcher_));
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}
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template <typename Container>
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@ -2269,7 +2269,8 @@ class PointwiseMatcher {
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!IsHashTable<GTEST_REMOVE_REFERENCE_AND_CONST_(LhsContainer)>::value,
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use_UnorderedPointwise_with_hash_tables);
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return MakeMatcher(new Impl<LhsContainer>(tuple_matcher_, rhs_));
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return Matcher<LhsContainer>(
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new Impl<const LhsContainer&>(tuple_matcher_, rhs_));
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}
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template <typename LhsContainer>
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@ -2471,7 +2472,8 @@ class ContainsMatcher {
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template <typename Container>
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operator Matcher<Container>() const {
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return MakeMatcher(new ContainsMatcherImpl<Container>(inner_matcher_));
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return Matcher<Container>(
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new ContainsMatcherImpl<const Container&>(inner_matcher_));
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}
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private:
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@ -2488,7 +2490,8 @@ class EachMatcher {
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template <typename Container>
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operator Matcher<Container>() const {
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return MakeMatcher(new EachMatcherImpl<Container>(inner_matcher_));
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return Matcher<Container>(
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new EachMatcherImpl<const Container&>(inner_matcher_));
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}
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private:
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@ -3086,8 +3089,10 @@ class UnorderedElementsAreMatcher {
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matchers.reserve(::std::tuple_size<MatcherTuple>::value);
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TransformTupleValues(CastAndAppendTransform<const Element&>(), matchers_,
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::std::back_inserter(matchers));
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return MakeMatcher(new UnorderedElementsAreMatcherImpl<Container>(
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UnorderedMatcherRequire::ExactMatch, matchers.begin(), matchers.end()));
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return Matcher<Container>(
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new UnorderedElementsAreMatcherImpl<const Container&>(
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UnorderedMatcherRequire::ExactMatch, matchers.begin(),
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matchers.end()));
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}
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private:
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@ -3116,8 +3121,8 @@ class ElementsAreMatcher {
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matchers.reserve(::std::tuple_size<MatcherTuple>::value);
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TransformTupleValues(CastAndAppendTransform<const Element&>(), matchers_,
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::std::back_inserter(matchers));
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return MakeMatcher(new ElementsAreMatcherImpl<Container>(
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matchers.begin(), matchers.end()));
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return Matcher<Container>(new ElementsAreMatcherImpl<const Container&>(
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matchers.begin(), matchers.end()));
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}
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private:
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@ -3136,8 +3141,9 @@ class UnorderedElementsAreArrayMatcher {
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template <typename Container>
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operator Matcher<Container>() const {
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return MakeMatcher(new UnorderedElementsAreMatcherImpl<Container>(
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match_flags_, matchers_.begin(), matchers_.end()));
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return Matcher<Container>(
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new UnorderedElementsAreMatcherImpl<const Container&>(
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match_flags_, matchers_.begin(), matchers_.end()));
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}
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private:
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@ -3160,7 +3166,7 @@ class ElementsAreArrayMatcher {
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!IsHashTable<GTEST_REMOVE_REFERENCE_AND_CONST_(Container)>::value,
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use_UnorderedElementsAreArray_with_hash_tables);
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return MakeMatcher(new ElementsAreMatcherImpl<Container>(
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return Matcher<Container>(new ElementsAreMatcherImpl<const Container&>(
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matchers_.begin(), matchers_.end()));
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}
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@ -72,6 +72,7 @@
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namespace testing {
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namespace gmock_matchers_test {
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namespace {
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using std::greater;
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using std::less;
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@ -158,6 +159,19 @@ using testing::internal::StreamMatchResultListener;
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using testing::internal::string;
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using testing::internal::Strings;
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// Helper for testing container-valued matchers in mock method context. It is
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// important to test matchers in this context, since it requires additional type
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// deduction beyond what EXPECT_THAT does, thus making it more restrictive.
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struct ContainerHelper {
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MOCK_METHOD1(Call, void(std::vector<std::unique_ptr<int>>));
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};
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std::vector<std::unique_ptr<int>> MakeUniquePtrs(const std::vector<int>& ints) {
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std::vector<std::unique_ptr<int>> pointers;
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for (int i : ints) pointers.emplace_back(new int(i));
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return pointers;
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}
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// For testing ExplainMatchResultTo().
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class GreaterThanMatcher : public MatcherInterface<int> {
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public:
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@ -1679,6 +1693,12 @@ TEST(PairTest, InsideContainsUsingMap) {
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EXPECT_THAT(container, Not(Contains(Pair(3, _))));
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}
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TEST(ContainsTest, WorksWithMoveOnly) {
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ContainerHelper helper;
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EXPECT_CALL(helper, Call(Contains(Pointee(2))));
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helper.Call(MakeUniquePtrs({1, 2}));
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}
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#if GTEST_LANG_CXX11
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TEST(PairTest, UseGetInsteadOfMembers) {
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PairWithGet pair{7, "ABC"};
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@ -4752,6 +4772,12 @@ TEST(IsEmptyTest, ExplainsResult) {
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EXPECT_EQ("whose size is 1", Explain(m, container));
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}
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TEST(IsEmptyTest, WorksWithMoveOnly) {
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ContainerHelper helper;
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EXPECT_CALL(helper, Call(IsEmpty()));
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helper.Call({});
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}
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TEST(IsTrueTest, IsTrueIsFalse) {
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EXPECT_THAT(true, IsTrue());
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EXPECT_THAT(false, IsFalse());
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@ -4822,6 +4848,12 @@ TEST(SizeIsTest, WorksWithReferences) {
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EXPECT_THAT(container, m);
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}
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TEST(SizeIsTest, WorksWithMoveOnly) {
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ContainerHelper helper;
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EXPECT_CALL(helper, Call(SizeIs(3)));
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helper.Call(MakeUniquePtrs({1, 2, 3}));
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}
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// SizeIs should work for any type that provides a size() member function.
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// For example, a size_type member type should not need to be provided.
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struct MinimalistCustomType {
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@ -5308,6 +5340,12 @@ TEST(BeginEndDistanceIsTest, CanDescribeSelf) {
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DescribeNegation(m));
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}
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TEST(BeginEndDistanceIsTest, WorksWithMoveOnly) {
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ContainerHelper helper;
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EXPECT_CALL(helper, Call(BeginEndDistanceIs(2)));
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helper.Call(MakeUniquePtrs({1, 2}));
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}
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TEST(BeginEndDistanceIsTest, ExplainsResult) {
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Matcher<vector<int> > m1 = BeginEndDistanceIs(2);
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Matcher<vector<int> > m2 = BeginEndDistanceIs(Lt(2));
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@ -5477,6 +5515,14 @@ TEST(IsSupersetOfTest, WorksForRhsInitializerList) {
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}
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#endif
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TEST(IsSupersetOfTest, WorksWithMoveOnly) {
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ContainerHelper helper;
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EXPECT_CALL(helper, Call(IsSupersetOf({Pointee(1)})));
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helper.Call(MakeUniquePtrs({1, 2}));
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EXPECT_CALL(helper, Call(Not(IsSupersetOf({Pointee(1), Pointee(2)}))));
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helper.Call(MakeUniquePtrs({2}));
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}
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TEST(IsSubsetOfTest, WorksForNativeArray) {
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const int subset[] = {1, 4};
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const int superset[] = {1, 2, 4};
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@ -5599,6 +5645,14 @@ TEST(IsSubsetOfTest, WorksForRhsInitializerList) {
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}
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#endif
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TEST(IsSubsetOfTest, WorksWithMoveOnly) {
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ContainerHelper helper;
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EXPECT_CALL(helper, Call(IsSubsetOf({Pointee(1), Pointee(2)})));
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helper.Call(MakeUniquePtrs({1}));
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EXPECT_CALL(helper, Call(Not(IsSubsetOf({Pointee(1)}))));
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helper.Call(MakeUniquePtrs({2}));
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}
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// Tests using ElementsAre() and ElementsAreArray() with stream-like
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// "containers".
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@ -5632,6 +5686,15 @@ TEST(ElementsAreTest, WorksWithUncopyable) {
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EXPECT_THAT(objs, ElementsAre(UncopyableIs(-3), Truly(ValueIsPositive)));
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}
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TEST(ElementsAreTest, WorksWithMoveOnly) {
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ContainerHelper helper;
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EXPECT_CALL(helper, Call(ElementsAre(Pointee(1), Pointee(2))));
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helper.Call(MakeUniquePtrs({1, 2}));
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EXPECT_CALL(helper, Call(ElementsAreArray({Pointee(3), Pointee(4)})));
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helper.Call(MakeUniquePtrs({3, 4}));
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}
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TEST(ElementsAreTest, TakesStlContainer) {
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const int actual[] = {3, 1, 2};
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@ -5735,6 +5798,13 @@ TEST(UnorderedElementsAreArrayTest,
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#endif // GTEST_HAS_STD_INITIALIZER_LIST_
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TEST(UnorderedElementsAreArrayTest, WorksWithMoveOnly) {
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ContainerHelper helper;
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EXPECT_CALL(helper,
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Call(UnorderedElementsAreArray({Pointee(1), Pointee(2)})));
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helper.Call(MakeUniquePtrs({2, 1}));
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}
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class UnorderedElementsAreTest : public testing::Test {
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protected:
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typedef std::vector<int> IntVec;
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@ -5782,6 +5852,12 @@ TEST_F(UnorderedElementsAreTest, WorksForStreamlike) {
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EXPECT_THAT(s, Not(UnorderedElementsAre(2, 2, 3, 4, 5)));
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}
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TEST_F(UnorderedElementsAreTest, WorksWithMoveOnly) {
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ContainerHelper helper;
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EXPECT_CALL(helper, Call(UnorderedElementsAre(Pointee(1), Pointee(2))));
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helper.Call(MakeUniquePtrs({2, 1}));
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}
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// One naive implementation of the matcher runs in O(N!) time, which is too
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// slow for many real-world inputs. This test shows that our matcher can match
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// 100 inputs very quickly (a few milliseconds). An O(100!) is 10^158
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@ -6332,6 +6408,12 @@ TEST(EachTest, WorksForNativeArrayAsTuple) {
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EXPECT_THAT(std::make_tuple(pointer, 2), Not(Each(Gt(1))));
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}
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TEST(EachTest, WorksWithMoveOnly) {
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ContainerHelper helper;
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EXPECT_CALL(helper, Call(Each(Pointee(Gt(0)))));
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helper.Call(MakeUniquePtrs({1, 2}));
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}
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// For testing Pointwise().
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class IsHalfOfMatcher {
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public:
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@ -6470,6 +6552,17 @@ TEST(PointwiseTest, AllowsMonomorphicInnerMatcher) {
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EXPECT_EQ("", Explain(Pointwise(m2, rhs), lhs));
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}
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MATCHER(PointeeEquals, "Points to an equal value") {
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return ExplainMatchResult(::testing::Pointee(::testing::get<1>(arg)),
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::testing::get<0>(arg), result_listener);
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}
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TEST(PointwiseTest, WorksWithMoveOnly) {
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ContainerHelper helper;
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EXPECT_CALL(helper, Call(Pointwise(PointeeEquals(), std::vector<int>{1, 2})));
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helper.Call(MakeUniquePtrs({1, 2}));
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}
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TEST(UnorderedPointwiseTest, DescribesSelf) {
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vector<int> rhs;
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rhs.push_back(1);
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@ -6584,6 +6677,13 @@ TEST(UnorderedPointwiseTest, AllowsMonomorphicInnerMatcher) {
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EXPECT_THAT(lhs, UnorderedPointwise(m2, rhs));
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}
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TEST(UnorderedPointwiseTest, WorksWithMoveOnly) {
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ContainerHelper helper;
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EXPECT_CALL(helper, Call(UnorderedPointwise(PointeeEquals(),
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std::vector<int>{1, 2})));
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helper.Call(MakeUniquePtrs({2, 1}));
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}
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// Sample optional type implementation with minimal requirements for use with
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// Optional matcher.
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class SampleOptionalInt {
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@ -6976,8 +7076,7 @@ TEST_F(PredicateFormatterFromMatcherTest, NoShortCircuitOnFailure) {
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EXPECT_FALSE(result); // Implicit cast to bool.
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std::string expect =
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"Value of: dummy-name\nExpected: [DescribeTo]\n"
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" Actual: 1" +
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OfType(kMatcherType) + ", [MatchAndExplain]";
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" Actual: 1, [MatchAndExplain]";
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EXPECT_EQ(expect, result.message());
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}
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@ -6988,11 +7087,11 @@ TEST_F(PredicateFormatterFromMatcherTest, DetectsFlakyShortCircuit) {
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"Value of: dummy-name\nExpected: [DescribeTo]\n"
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" The matcher failed on the initial attempt; but passed when rerun to "
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"generate the explanation.\n"
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" Actual: 2" +
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OfType(kMatcherType) + ", [MatchAndExplain]";
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" Actual: 2, [MatchAndExplain]";
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EXPECT_EQ(expect, result.message());
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}
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} // namespace
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} // namespace gmock_matchers_test
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} // namespace testing
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