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Added IsNan matcher

PiperOrigin-RevId: 275473218
This commit is contained in:
misterg
2019-10-18 11:06:41 -04:00
committed by Andy Soffer
parent 1f9edcd969
commit f966ed1581
3 changed files with 2 additions and 133 deletions
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108
googlemock/test/gmock-matchers_test.cc
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@@ -2054,114 +2054,6 @@ 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::nan("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::nan("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::nan("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) {