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authorGennadiy Civil <misterg@google.com>2018-03-23 15:42:41 (GMT)
committerGennadiy Civil <misterg@google.com>2018-03-23 15:42:41 (GMT)
commitb907c26740f593d2089e6eb10b5bde6402b44ecb (patch)
tree1636d14e275c70bab150add9d41533c29106ba55 /googlemock/include/gmock/gmock-matchers.h
parent466a49ae305145cf1fa32d172e4f5e8919ee6f4d (diff)
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Merging gmock-matchers.h -2
Diffstat (limited to 'googlemock/include/gmock/gmock-matchers.h')
-rw-r--r--googlemock/include/gmock/gmock-matchers.h237
1 files changed, 208 insertions, 29 deletions
diff --git a/googlemock/include/gmock/gmock-matchers.h b/googlemock/include/gmock/gmock-matchers.h
index dea1070..b4e23a3 100644
--- a/googlemock/include/gmock/gmock-matchers.h
+++ b/googlemock/include/gmock/gmock-matchers.h
@@ -651,6 +651,22 @@ class MatcherCastImpl<T, Matcher<U> > {
// We delegate the matching logic to the source matcher.
virtual bool MatchAndExplain(T x, MatchResultListener* listener) const {
+#if GTEST_LANG_CXX11
+ using FromType = typename std::remove_cv<typename std::remove_pointer<
+ typename std::remove_reference<T>::type>::type>::type;
+ using ToType = typename std::remove_cv<typename std::remove_pointer<
+ typename std::remove_reference<U>::type>::type>::type;
+ // Do not allow implicitly converting base*/& to derived*/&.
+ static_assert(
+ // Do not trigger if only one of them is a pointer. That implies a
+ // regular conversion and not a down_cast.
+ (std::is_pointer<typename std::remove_reference<T>::type>::value !=
+ std::is_pointer<typename std::remove_reference<U>::type>::value) ||
+ std::is_same<FromType, ToType>::value ||
+ !std::is_base_of<FromType, ToType>::value,
+ "Can't implicitly convert from <base> to <derived>");
+#endif // GTEST_LANG_CXX11
+
return source_matcher_.MatchAndExplain(static_cast<U>(x), listener);
}
@@ -3830,6 +3846,61 @@ GTEST_API_ std::string FormatMatcherDescription(bool negation,
const char* matcher_name,
const Strings& param_values);
+// Implements a matcher that checks the value of a optional<> type variable.
+template <typename ValueMatcher>
+class OptionalMatcher {
+ public:
+ explicit OptionalMatcher(const ValueMatcher& value_matcher)
+ : value_matcher_(value_matcher) {}
+
+ template <typename Optional>
+ operator Matcher<Optional>() const {
+ return MakeMatcher(new Impl<Optional>(value_matcher_));
+ }
+
+ template <typename Optional>
+ class Impl : public MatcherInterface<Optional> {
+ public:
+ typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Optional) OptionalView;
+ typedef typename OptionalView::value_type ValueType;
+ explicit Impl(const ValueMatcher& value_matcher)
+ : value_matcher_(MatcherCast<ValueType>(value_matcher)) {}
+
+ virtual void DescribeTo(::std::ostream* os) const {
+ *os << "value ";
+ value_matcher_.DescribeTo(os);
+ }
+
+ virtual void DescribeNegationTo(::std::ostream* os) const {
+ *os << "value ";
+ value_matcher_.DescribeNegationTo(os);
+ }
+
+ virtual bool MatchAndExplain(Optional optional,
+ MatchResultListener* listener) const {
+ if (!optional) {
+ *listener << "which is not engaged";
+ return false;
+ }
+ const ValueType& value = *optional;
+ StringMatchResultListener value_listener;
+ const bool match = value_matcher_.MatchAndExplain(value, &value_listener);
+ *listener << "whose value " << PrintToString(value)
+ << (match ? " matches" : " doesn't match");
+ PrintIfNotEmpty(value_listener.str(), listener->stream());
+ return match;
+ }
+
+ private:
+ const Matcher<ValueType> value_matcher_;
+ GTEST_DISALLOW_ASSIGN_(Impl);
+ };
+
+ private:
+ const ValueMatcher value_matcher_;
+ GTEST_DISALLOW_ASSIGN_(OptionalMatcher);
+};
+
namespace variant_matcher {
// Overloads to allow VariantMatcher to do proper ADL lookup.
template <typename T>
@@ -4246,6 +4317,16 @@ inline PolymorphicMatcher<
// to compile where bar is an int32 and m is a matcher for int64.
}
+// Same as Field() but also takes the name of the field to provide better error
+// messages.
+template <typename Class, typename FieldType, typename FieldMatcher>
+inline PolymorphicMatcher<internal::FieldMatcher<Class, FieldType> > Field(
+ const std::string& field_name, FieldType Class::*field,
+ const FieldMatcher& matcher) {
+ return MakePolymorphicMatcher(internal::FieldMatcher<Class, FieldType>(
+ field_name, field, MatcherCast<const FieldType&>(matcher)));
+}
+
// Creates a matcher that matches an object whose given property
// matches 'matcher'. For example,
// Property(&Foo::str, StartsWith("hi"))
@@ -4294,6 +4375,7 @@ Property(PropertyType (Class::*property)() const &,
// concurrent access.
// * If it is a function object, it has to define type result_type.
// We recommend deriving your functor classes from std::unary_function.
+//
template <typename Callable, typename ResultOfMatcher>
internal::ResultOfMatcher<Callable> ResultOf(
Callable callable, const ResultOfMatcher& matcher) {
@@ -4384,53 +4466,53 @@ inline PolymorphicMatcher<internal::MatchesRegexMatcher> ContainsRegex(
// Wide string matchers.
// Matches a string equal to str.
-inline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> >
- StrEq(const internal::wstring& str) {
- return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>(
- str, true, true));
+inline PolymorphicMatcher<internal::StrEqualityMatcher<std::wstring> > StrEq(
+ const std::wstring& str) {
+ return MakePolymorphicMatcher(
+ internal::StrEqualityMatcher<std::wstring>(str, true, true));
}
// Matches a string not equal to str.
-inline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> >
- StrNe(const internal::wstring& str) {
- return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>(
- str, false, true));
+inline PolymorphicMatcher<internal::StrEqualityMatcher<std::wstring> > StrNe(
+ const std::wstring& str) {
+ return MakePolymorphicMatcher(
+ internal::StrEqualityMatcher<std::wstring>(str, false, true));
}
// Matches a string equal to str, ignoring case.
-inline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> >
- StrCaseEq(const internal::wstring& str) {
- return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>(
- str, true, false));
+inline PolymorphicMatcher<internal::StrEqualityMatcher<std::wstring> >
+StrCaseEq(const std::wstring& str) {
+ return MakePolymorphicMatcher(
+ internal::StrEqualityMatcher<std::wstring>(str, true, false));
}
// Matches a string not equal to str, ignoring case.
-inline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> >
- StrCaseNe(const internal::wstring& str) {
- return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>(
- str, false, false));
+inline PolymorphicMatcher<internal::StrEqualityMatcher<std::wstring> >
+StrCaseNe(const std::wstring& str) {
+ return MakePolymorphicMatcher(
+ internal::StrEqualityMatcher<std::wstring>(str, false, false));
}
-// Creates a matcher that matches any wstring, std::wstring, or C wide string
+// Creates a matcher that matches any ::wstring, std::wstring, or C wide string
// that contains the given substring.
-inline PolymorphicMatcher<internal::HasSubstrMatcher<internal::wstring> >
- HasSubstr(const internal::wstring& substring) {
- return MakePolymorphicMatcher(internal::HasSubstrMatcher<internal::wstring>(
- substring));
+inline PolymorphicMatcher<internal::HasSubstrMatcher<std::wstring> > HasSubstr(
+ const std::wstring& substring) {
+ return MakePolymorphicMatcher(
+ internal::HasSubstrMatcher<std::wstring>(substring));
}
// Matches a string that starts with 'prefix' (case-sensitive).
-inline PolymorphicMatcher<internal::StartsWithMatcher<internal::wstring> >
- StartsWith(const internal::wstring& prefix) {
- return MakePolymorphicMatcher(internal::StartsWithMatcher<internal::wstring>(
- prefix));
+inline PolymorphicMatcher<internal::StartsWithMatcher<std::wstring> >
+StartsWith(const std::wstring& prefix) {
+ return MakePolymorphicMatcher(
+ internal::StartsWithMatcher<std::wstring>(prefix));
}
// Matches a string that ends with 'suffix' (case-sensitive).
-inline PolymorphicMatcher<internal::EndsWithMatcher<internal::wstring> >
- EndsWith(const internal::wstring& suffix) {
- return MakePolymorphicMatcher(internal::EndsWithMatcher<internal::wstring>(
- suffix));
+inline PolymorphicMatcher<internal::EndsWithMatcher<std::wstring> > EndsWith(
+ const std::wstring& suffix) {
+ return MakePolymorphicMatcher(
+ internal::EndsWithMatcher<std::wstring>(suffix));
}
#endif // GTEST_HAS_GLOBAL_WSTRING || GTEST_HAS_STD_WSTRING
@@ -4459,6 +4541,58 @@ inline internal::Lt2Matcher Lt() { return internal::Lt2Matcher(); }
// first field != the second field.
inline internal::Ne2Matcher Ne() { return internal::Ne2Matcher(); }
+// Creates a polymorphic matcher that matches a 2-tuple where
+// FloatEq(first field) matches the second field.
+inline internal::FloatingEq2Matcher<float> FloatEq() {
+ return internal::FloatingEq2Matcher<float>();
+}
+
+// Creates a polymorphic matcher that matches a 2-tuple where
+// DoubleEq(first field) matches the second field.
+inline internal::FloatingEq2Matcher<double> DoubleEq() {
+ return internal::FloatingEq2Matcher<double>();
+}
+
+// Creates a polymorphic matcher that matches a 2-tuple where
+// FloatEq(first field) matches the second field with NaN equality.
+inline internal::FloatingEq2Matcher<float> NanSensitiveFloatEq() {
+ return internal::FloatingEq2Matcher<float>(true);
+}
+
+// Creates a polymorphic matcher that matches a 2-tuple where
+// DoubleEq(first field) matches the second field with NaN equality.
+inline internal::FloatingEq2Matcher<double> NanSensitiveDoubleEq() {
+ return internal::FloatingEq2Matcher<double>(true);
+}
+
+// Creates a polymorphic matcher that matches a 2-tuple where
+// FloatNear(first field, max_abs_error) matches the second field.
+inline internal::FloatingEq2Matcher<float> FloatNear(float max_abs_error) {
+ return internal::FloatingEq2Matcher<float>(max_abs_error);
+}
+
+// Creates a polymorphic matcher that matches a 2-tuple where
+// DoubleNear(first field, max_abs_error) matches the second field.
+inline internal::FloatingEq2Matcher<double> DoubleNear(double max_abs_error) {
+ return internal::FloatingEq2Matcher<double>(max_abs_error);
+}
+
+// Creates a polymorphic matcher that matches a 2-tuple where
+// FloatNear(first field, max_abs_error) matches the second field with NaN
+// equality.
+inline internal::FloatingEq2Matcher<float> NanSensitiveFloatNear(
+ float max_abs_error) {
+ return internal::FloatingEq2Matcher<float>(max_abs_error, true);
+}
+
+// Creates a polymorphic matcher that matches a 2-tuple where
+// DoubleNear(first field, max_abs_error) matches the second field with NaN
+// equality.
+inline internal::FloatingEq2Matcher<double> NanSensitiveDoubleNear(
+ double max_abs_error) {
+ return internal::FloatingEq2Matcher<double>(max_abs_error, true);
+}
+
// Creates a matcher that matches any value of type T that m doesn't
// match.
template <typename InnerMatcher>
@@ -4836,6 +4970,28 @@ inline bool ExplainMatchResult(
return SafeMatcherCast<const T&>(matcher).MatchAndExplain(value, listener);
}
+// Returns a string representation of the given matcher. Useful for description
+// strings of matchers defined using MATCHER_P* macros that accept matchers as
+// their arguments. For example:
+//
+// MATCHER_P(XAndYThat, matcher,
+// "X that " + DescribeMatcher<int>(matcher, negation) +
+// " and Y that " + DescribeMatcher<double>(matcher, negation)) {
+// return ExplainMatchResult(matcher, arg.x(), result_listener) &&
+// ExplainMatchResult(matcher, arg.y(), result_listener);
+// }
+template <typename T, typename M>
+std::string DescribeMatcher(const M& matcher, bool negation = false) {
+ ::std::stringstream ss;
+ Matcher<T> monomorphic_matcher = SafeMatcherCast<T>(matcher);
+ if (negation) {
+ monomorphic_matcher.DescribeNegationTo(&ss);
+ } else {
+ monomorphic_matcher.DescribeTo(&ss);
+ }
+ return ss.str();
+}
+
#if GTEST_LANG_CXX11
// Define variadic matcher versions. They are overloaded in
// gmock-generated-matchers.h for the cases supported by pre C++11 compilers.
@@ -4861,6 +5017,28 @@ inline internal::AnyOfMatcher<Args...> AnyOf(const Args&... matchers) {
template <typename InnerMatcher>
inline InnerMatcher AllArgs(const InnerMatcher& matcher) { return matcher; }
+// Returns a matcher that matches the value of an optional<> type variable.
+// The matcher implementation only uses '!arg' and requires that the optional<>
+// type has a 'value_type' member type and that '*arg' is of type 'value_type'
+// and is printable using 'PrintToString'. It is compatible with
+// std::optional/std::experimental::optional.
+// Note that to compare an optional type variable against nullopt you should
+// use Eq(nullopt) and not Optional(Eq(nullopt)). The latter implies that the
+// optional value contains an optional itself.
+template <typename ValueMatcher>
+inline internal::OptionalMatcher<ValueMatcher> Optional(
+ const ValueMatcher& value_matcher) {
+ return internal::OptionalMatcher<ValueMatcher>(value_matcher);
+}
+
+// Returns a matcher that matches the value of a absl::any type variable.
+template <typename T>
+PolymorphicMatcher<internal::any_cast_matcher::AnyCastMatcher<T> > AnyWith(
+ const Matcher<const T&>& matcher) {
+ return MakePolymorphicMatcher(
+ internal::any_cast_matcher::AnyCastMatcher<T>(matcher));
+}
+
// Returns a matcher that matches the value of a variant<> type variable.
// The matcher implementation uses ADL to find the holds_alternative and get
// functions.
@@ -4887,4 +5065,5 @@ PolymorphicMatcher<internal::variant_matcher::VariantMatcher<T> > VariantWith(
// We must include this header at the end to make sure it can use the
// declarations from this file.
#include "gmock/internal/custom/gmock-matchers.h"
+
#endif // GMOCK_INCLUDE_GMOCK_GMOCK_MATCHERS_H_