diff options
Diffstat (limited to 'googlemock/test/gmock-matchers_test.cc')
| -rw-r--r-- | googlemock/test/gmock-matchers_test.cc | 131 |
1 files changed, 124 insertions, 7 deletions
diff --git a/googlemock/test/gmock-matchers_test.cc b/googlemock/test/gmock-matchers_test.cc index a61d040b..b9eb894d 100644 --- a/googlemock/test/gmock-matchers_test.cc +++ b/googlemock/test/gmock-matchers_test.cc @@ -956,10 +956,9 @@ TEST(TypedEqTest, CanDescribeSelf) { // Tests that TypedEq<T>(v) has type Matcher<T>. -// Type<T>::IsTypeOf(v) compiles if the type of value v is T, where T -// is a "bare" type (i.e. not in the form of const U or U&). If v's -// type is not T, the compiler will generate a message about -// "undefined reference". +// Type<T>::IsTypeOf(v) compiles if and only if the type of value v is T, where +// T is a "bare" type (i.e. not in the form of const U or U&). If v's type is +// not T, the compiler will generate a message about "undefined reference". template <typename T> struct Type { static bool IsTypeOf(const T& /* v */) { return true; } @@ -2055,6 +2054,114 @@ TEST(PairMatchBaseTest, WorksWithMoveOnly) { EXPECT_TRUE(matcher.Matches(pointers)); } +// Tests that IsNan() matches a NaN, with float. +TEST(IsNan, FloatMatchesNan) { + float quiet_nan = std::numeric_limits<float>::quiet_NaN(); + float other_nan = std::nanf("1"); + float real_value = 1.0f; + + Matcher<float> m = IsNan(); + EXPECT_TRUE(m.Matches(quiet_nan)); + EXPECT_TRUE(m.Matches(other_nan)); + EXPECT_FALSE(m.Matches(real_value)); + + Matcher<float&> m_ref = IsNan(); + EXPECT_TRUE(m_ref.Matches(quiet_nan)); + EXPECT_TRUE(m_ref.Matches(other_nan)); + EXPECT_FALSE(m_ref.Matches(real_value)); + + Matcher<const float&> m_cref = IsNan(); + EXPECT_TRUE(m_cref.Matches(quiet_nan)); + EXPECT_TRUE(m_cref.Matches(other_nan)); + EXPECT_FALSE(m_cref.Matches(real_value)); +} + +// Tests that IsNan() matches a NaN, with double. +TEST(IsNan, DoubleMatchesNan) { + double quiet_nan = std::numeric_limits<double>::quiet_NaN(); + double other_nan = std::nan("1"); + double real_value = 1.0; + + Matcher<double> m = IsNan(); + EXPECT_TRUE(m.Matches(quiet_nan)); + EXPECT_TRUE(m.Matches(other_nan)); + EXPECT_FALSE(m.Matches(real_value)); + + Matcher<double&> m_ref = IsNan(); + EXPECT_TRUE(m_ref.Matches(quiet_nan)); + EXPECT_TRUE(m_ref.Matches(other_nan)); + EXPECT_FALSE(m_ref.Matches(real_value)); + + Matcher<const double&> m_cref = IsNan(); + EXPECT_TRUE(m_cref.Matches(quiet_nan)); + EXPECT_TRUE(m_cref.Matches(other_nan)); + EXPECT_FALSE(m_cref.Matches(real_value)); +} + +// Tests that IsNan() matches a NaN, with long double. +TEST(IsNan, LongDoubleMatchesNan) { + long double quiet_nan = std::numeric_limits<long double>::quiet_NaN(); + long double other_nan = std::nan("1"); + long double real_value = 1.0; + + Matcher<long double> m = IsNan(); + EXPECT_TRUE(m.Matches(quiet_nan)); + EXPECT_TRUE(m.Matches(other_nan)); + EXPECT_FALSE(m.Matches(real_value)); + + Matcher<long double&> m_ref = IsNan(); + EXPECT_TRUE(m_ref.Matches(quiet_nan)); + EXPECT_TRUE(m_ref.Matches(other_nan)); + EXPECT_FALSE(m_ref.Matches(real_value)); + + Matcher<const long double&> m_cref = IsNan(); + EXPECT_TRUE(m_cref.Matches(quiet_nan)); + EXPECT_TRUE(m_cref.Matches(other_nan)); + EXPECT_FALSE(m_cref.Matches(real_value)); +} + +// Tests that IsNan() works with Not. +TEST(IsNan, NotMatchesNan) { + Matcher<float> mf = Not(IsNan()); + EXPECT_FALSE(mf.Matches(std::numeric_limits<float>::quiet_NaN())); + EXPECT_FALSE(mf.Matches(std::nanf("1"))); + EXPECT_TRUE(mf.Matches(1.0)); + + Matcher<double> md = Not(IsNan()); + EXPECT_FALSE(md.Matches(std::numeric_limits<double>::quiet_NaN())); + EXPECT_FALSE(md.Matches(std::nan("1"))); + EXPECT_TRUE(md.Matches(1.0)); + + Matcher<long double> mld = Not(IsNan()); + EXPECT_FALSE(mld.Matches(std::numeric_limits<long double>::quiet_NaN())); + EXPECT_FALSE(mld.Matches(std::nanl("1"))); + EXPECT_TRUE(mld.Matches(1.0)); +} + +// Tests that IsNan() can describe itself. +TEST(IsNan, CanDescribeSelf) { + Matcher<float> mf = IsNan(); + EXPECT_EQ("is NaN", Describe(mf)); + + Matcher<double> md = IsNan(); + EXPECT_EQ("is NaN", Describe(md)); + + Matcher<long double> mld = IsNan(); + EXPECT_EQ("is NaN", Describe(mld)); +} + +// Tests that IsNan() can describe itself with Not. +TEST(IsNan, CanDescribeSelfWithNot) { + Matcher<float> mf = Not(IsNan()); + EXPECT_EQ("isn't NaN", Describe(mf)); + + Matcher<double> md = Not(IsNan()); + EXPECT_EQ("isn't NaN", Describe(md)); + + Matcher<long double> mld = Not(IsNan()); + EXPECT_EQ("isn't NaN", Describe(mld)); +} + // Tests that FloatEq() matches a 2-tuple where // FloatEq(first field) matches the second field. TEST(FloatEq2Test, MatchesEqualArguments) { @@ -2640,8 +2747,8 @@ class IsGreaterThan { // For testing Truly(). const int foo = 0; -// This predicate returns true if the argument references foo and has -// a zero value. +// This predicate returns true if and only if the argument references foo and +// has a zero value. bool ReferencesFooAndIsZero(const int& n) { return (&n == &foo) && (n == 0); } @@ -3594,7 +3701,7 @@ class Uncopyable { GTEST_DISALLOW_COPY_AND_ASSIGN_(Uncopyable); }; -// Returns true if x.value() is positive. +// Returns true if and only if x.value() is positive. bool ValueIsPositive(const Uncopyable& x) { return x.value() > 0; } MATCHER_P(UncopyableIs, inner_matcher, "") { @@ -4319,6 +4426,16 @@ TEST(ResultOfTest, WorksForLambdas) { EXPECT_FALSE(matcher.Matches(1)); } +TEST(ResultOfTest, WorksForNonCopyableArguments) { + Matcher<std::unique_ptr<int>> matcher = ResultOf( + [](const std::unique_ptr<int>& str_len) { + return std::string(static_cast<size_t>(*str_len), 'x'); + }, + "xxx"); + EXPECT_TRUE(matcher.Matches(std::unique_ptr<int>(new int(3)))); + EXPECT_FALSE(matcher.Matches(std::unique_ptr<int>(new int(1)))); +} + const int* ReferencingFunction(const int& n) { return &n; } struct ReferencingFunctor { |