aboutsummaryrefslogtreecommitdiffstats
path: root/googlemock/include/gmock/gmock-matchers.h
diff options
context:
space:
mode:
Diffstat (limited to 'googlemock/include/gmock/gmock-matchers.h')
-rw-r--r--googlemock/include/gmock/gmock-matchers.h93
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(\