diff options
Diffstat (limited to 'googlemock/include/gmock/gmock-matchers.h')
-rw-r--r-- | googlemock/include/gmock/gmock-matchers.h | 93 |
1 files changed, 47 insertions, 46 deletions
diff --git a/googlemock/include/gmock/gmock-matchers.h b/googlemock/include/gmock/gmock-matchers.h index b1c0dc04..4428ec14 100644 --- a/googlemock/include/gmock/gmock-matchers.h +++ b/googlemock/include/gmock/gmock-matchers.h @@ -133,14 +133,14 @@ class MatcherCastImpl { // a user-defined conversion from M to T if one exists (assuming M is // a value). return CastImpl(polymorphic_matcher_or_value, - bool_constant<std::is_convertible<M, Matcher<T>>::value>(), - bool_constant<std::is_convertible<M, T>::value>()); + std::is_convertible<M, Matcher<T>>{}, + std::is_convertible<M, T>{}); } private: template <bool Ignore> static Matcher<T> CastImpl(const M& polymorphic_matcher_or_value, - bool_constant<true> /* convertible_to_matcher */, + std::true_type /* convertible_to_matcher */, bool_constant<Ignore>) { // M is implicitly convertible to Matcher<T>, which means that either // M is a polymorphic matcher or Matcher<T> has an implicit constructor @@ -157,8 +157,8 @@ class MatcherCastImpl { // matcher. It's a value of a type implicitly convertible to T. Use direct // initialization to create a matcher. static Matcher<T> CastImpl(const M& value, - bool_constant<false> /* convertible_to_matcher */, - bool_constant<true> /* convertible_to_T */) { + std::false_type /* convertible_to_matcher */, + std::true_type /* convertible_to_T */) { return Matcher<T>(ImplicitCast_<T>(value)); } @@ -173,8 +173,8 @@ class MatcherCastImpl { // // We don't define this method inline as we need the declaration of Eq(). static Matcher<T> CastImpl(const M& value, - bool_constant<false> /* convertible_to_matcher */, - bool_constant<false> /* convertible_to_T */); + std::false_type /* convertible_to_matcher */, + std::false_type /* convertible_to_T */); }; // This more specialized version is used when MatcherCast()'s argument @@ -358,8 +358,8 @@ template <size_t N> class TuplePrefix { public: // TuplePrefix<N>::Matches(matcher_tuple, value_tuple) returns true - // if the first N fields of matcher_tuple matches the first N - // fields of value_tuple, respectively. + // if and only if the first N fields of matcher_tuple matches + // the first N fields of value_tuple, respectively. template <typename MatcherTuple, typename ValueTuple> static bool Matches(const MatcherTuple& matcher_tuple, const ValueTuple& value_tuple) { @@ -417,8 +417,8 @@ class TuplePrefix<0> { ::std::ostream* /* os */) {} }; -// TupleMatches(matcher_tuple, value_tuple) returns true if all -// matchers in matcher_tuple match the corresponding fields in +// TupleMatches(matcher_tuple, value_tuple) returns true if and only if +// all matchers in matcher_tuple match the corresponding fields in // value_tuple. It is a compiler error if matcher_tuple and // value_tuple have different number of fields or incompatible field // types. @@ -1607,9 +1607,8 @@ class PointeeMatcher { template <typename Pointer> class Impl : public MatcherInterface<Pointer> { public: - typedef - typename PointeeOf<typename std::remove_const<GTEST_REMOVE_REFERENCE_( - Pointer)>::type>::type Pointee; + typedef typename PointeeOf<GTEST_REMOVE_REFERENCE_AND_CONST_(Pointer)>::type + Pointee; explicit Impl(const InnerMatcher& matcher) : matcher_(MatcherCast<const Pointee&>(matcher)) {} @@ -1859,7 +1858,9 @@ struct CallableTraits { static void CheckIsValid(Functor /* functor */) {} template <typename T> - static auto Invoke(Functor f, T arg) -> decltype(f(arg)) { return f(arg); } + static auto Invoke(Functor f, const T& arg) -> decltype(f(arg)) { + return f(arg); + } }; // Specialization for function pointers. @@ -1890,7 +1891,7 @@ class ResultOfMatcher { template <typename T> operator Matcher<T>() const { - return Matcher<T>(new Impl<T>(callable_, matcher_)); + return Matcher<T>(new Impl<const T&>(callable_, matcher_)); } private: @@ -2069,15 +2070,15 @@ class ContainerEqMatcher { typedef typename View::type StlContainer; typedef typename View::const_reference StlContainerReference; + static_assert(!std::is_const<Container>::value, + "Container type must not be const"); + static_assert(!std::is_reference<Container>::value, + "Container type must not be a reference"); + // We make a copy of expected in case the elements in it are modified // after this matcher is created. explicit ContainerEqMatcher(const Container& expected) - : expected_(View::Copy(expected)) { - // Makes sure the user doesn't instantiate this class template - // with a const or reference type. - (void)testing::StaticAssertTypeEq<Container, - GTEST_REMOVE_REFERENCE_AND_CONST_(Container)>(); - } + : expected_(View::Copy(expected)) {} void DescribeTo(::std::ostream* os) const { *os << "equals "; @@ -2244,15 +2245,15 @@ class PointwiseMatcher { typedef typename RhsView::type RhsStlContainer; typedef typename RhsStlContainer::value_type RhsValue; + static_assert(!std::is_const<RhsContainer>::value, + "RhsContainer type must not be const"); + static_assert(!std::is_reference<RhsContainer>::value, + "RhsContainer type must not be a reference"); + // Like ContainerEq, we make a copy of rhs in case the elements in // it are modified after this matcher is created. PointwiseMatcher(const TupleMatcher& tuple_matcher, const RhsContainer& rhs) - : tuple_matcher_(tuple_matcher), rhs_(RhsView::Copy(rhs)) { - // Makes sure the user doesn't instantiate this class template - // with a const or reference type. - (void)testing::StaticAssertTypeEq<RhsContainer, - GTEST_REMOVE_REFERENCE_AND_CONST_(RhsContainer)>(); - } + : tuple_matcher_(tuple_matcher), rhs_(RhsView::Copy(rhs)) {} template <typename LhsContainer> operator Matcher<LhsContainer>() const { @@ -2531,7 +2532,8 @@ class KeyMatcherImpl : public MatcherInterface<PairType> { testing::SafeMatcherCast<const KeyType&>(inner_matcher)) { } - // Returns true if 'key_value.first' (the key) matches the inner matcher. + // Returns true if and only if 'key_value.first' (the key) matches the inner + // matcher. bool MatchAndExplain(PairType key_value, MatchResultListener* listener) const override { StringMatchResultListener inner_listener; @@ -2613,8 +2615,8 @@ class PairMatcherImpl : public MatcherInterface<PairType> { second_matcher_.DescribeNegationTo(os); } - // Returns true if 'a_pair.first' matches first_matcher and 'a_pair.second' - // matches second_matcher. + // Returns true if and only if 'a_pair.first' matches first_matcher and + // 'a_pair.second' matches second_matcher. bool MatchAndExplain(PairType a_pair, MatchResultListener* listener) const override { if (!listener->IsInterested()) { @@ -3149,8 +3151,8 @@ class ElementsAreArrayMatcher { // Given a 2-tuple matcher tm of type Tuple2Matcher and a value second // of type Second, BoundSecondMatcher<Tuple2Matcher, Second>(tm, -// second) is a polymorphic matcher that matches a value x if tm -// matches tuple (x, second). Useful for implementing +// second) is a polymorphic matcher that matches a value x if and only if +// tm matches tuple (x, second). Useful for implementing // UnorderedPointwise() in terms of UnorderedElementsAreArray(). // // BoundSecondMatcher is copyable and assignable, as we need to put @@ -3214,8 +3216,8 @@ class BoundSecondMatcher { // Given a 2-tuple matcher tm and a value second, // MatcherBindSecond(tm, second) returns a matcher that matches a -// value x if tm matches tuple (x, second). Useful for implementing -// UnorderedPointwise() in terms of UnorderedElementsAreArray(). +// value x if and only if tm matches tuple (x, second). Useful for +// implementing UnorderedPointwise() in terms of UnorderedElementsAreArray(). template <typename Tuple2Matcher, typename Second> BoundSecondMatcher<Tuple2Matcher, Second> MatcherBindSecond( const Tuple2Matcher& tm, const Second& second) { @@ -3600,8 +3602,8 @@ inline Matcher<T> An() { return A<T>(); } template <typename T, typename M> Matcher<T> internal::MatcherCastImpl<T, M>::CastImpl( - const M& value, internal::bool_constant<false> /* convertible_to_matcher */, - internal::bool_constant<false> /* convertible_to_T */) { + const M& value, std::false_type /* convertible_to_matcher */, + std::false_type /* convertible_to_T */) { return Eq(value); } @@ -3706,7 +3708,7 @@ WhenDynamicCastTo(const Matcher<To>& inner_matcher) { // Creates a matcher that matches an object whose given field matches // 'matcher'. For example, // Field(&Foo::number, Ge(5)) -// matches a Foo object x if x.number >= 5. +// matches a Foo object x if and only if x.number >= 5. template <typename Class, typename FieldType, typename FieldMatcher> inline PolymorphicMatcher< internal::FieldMatcher<Class, FieldType> > Field( @@ -3733,7 +3735,7 @@ inline PolymorphicMatcher<internal::FieldMatcher<Class, FieldType> > Field( // Creates a matcher that matches an object whose given property // matches 'matcher'. For example, // Property(&Foo::str, StartsWith("hi")) -// matches a Foo object x if x.str() starts with "hi". +// matches a Foo object x if and only if x.str() starts with "hi". template <typename Class, typename PropertyType, typename PropertyMatcher> inline PolymorphicMatcher<internal::PropertyMatcher< Class, PropertyType, PropertyType (Class::*)() const> > @@ -3788,11 +3790,10 @@ Property(const std::string& property_name, property_name, property, MatcherCast<const PropertyType&>(matcher))); } -// Creates a matcher that matches an object if the result of applying -// a callable to x matches 'matcher'. -// For example, +// Creates a matcher that matches an object if and only if the result of +// applying a callable to x matches 'matcher'. For example, // ResultOf(f, StartsWith("hi")) -// matches a Foo object x if f(x) starts with "hi". +// matches a Foo object x if and only if f(x) starts with "hi". // `callable` parameter can be a function, function pointer, or a functor. It is // required to keep no state affecting the results of the calls on it and make // no assumptions about how many calls will be made. Any state it keeps must be @@ -4342,7 +4343,7 @@ inline internal::MatcherAsPredicate<M> Matches(M matcher) { return internal::MatcherAsPredicate<M>(matcher); } -// Returns true if the value matches the matcher. +// Returns true if and only if the value matches the matcher. template <typename T, typename M> inline bool Value(const T& value, M matcher) { return testing::Matches(matcher)(value); @@ -4548,8 +4549,8 @@ PolymorphicMatcher<internal::variant_matcher::VariantMatcher<T> > VariantWith( // These macros allow using matchers to check values in Google Test // tests. ASSERT_THAT(value, matcher) and EXPECT_THAT(value, matcher) -// succeed if the value matches the matcher. If the assertion fails, -// the value and the description of the matcher will be printed. +// succeed if and only if the value matches the matcher. If the assertion +// fails, the value and the description of the matcher will be printed. #define ASSERT_THAT(value, matcher) ASSERT_PRED_FORMAT1(\ ::testing::internal::MakePredicateFormatterFromMatcher(matcher), value) #define EXPECT_THAT(value, matcher) EXPECT_PRED_FORMAT1(\ |