diff options
Diffstat (limited to 'googlemock/test')
| -rw-r--r-- | googlemock/test/gmock-matchers_test.cc | 301 |
1 files changed, 266 insertions, 35 deletions
diff --git a/googlemock/test/gmock-matchers_test.cc b/googlemock/test/gmock-matchers_test.cc index 829935ef..3cc5d35c 100644 --- a/googlemock/test/gmock-matchers_test.cc +++ b/googlemock/test/gmock-matchers_test.cc @@ -45,6 +45,7 @@ #include <limits> #include <list> #include <map> +#include <memory> #include <set> #include <sstream> #include <string> @@ -58,13 +59,17 @@ # include <forward_list> // NOLINT #endif -// Disable MSVC2015 warning for std::pair: "decorated name length exceeded, name was truncated". +// Disable MSVC2015 warning for std::pair: +// "decorated name length exceeded, name was truncated". #if defined(_MSC_VER) && (_MSC_VER == 1900) # pragma warning(disable:4503) #endif -namespace testing { +#if GTEST_LANG_CXX11 +# include <type_traits> +#endif +namespace testing { namespace gmock_matchers_test { using std::greater; @@ -200,17 +205,13 @@ std::string OfType(const std::string& type_name) { // Returns the description of the given matcher. template <typename T> std::string Describe(const Matcher<T>& m) { - stringstream ss; - m.DescribeTo(&ss); - return ss.str(); + return DescribeMatcher<T>(m); } // Returns the description of the negation of the given matcher. template <typename T> std::string DescribeNegation(const Matcher<T>& m) { - stringstream ss; - m.DescribeNegationTo(&ss); - return ss.str(); + return DescribeMatcher<T>(m, true); } // Returns the reason why x matches, or doesn't match, m. @@ -221,6 +222,12 @@ std::string Explain(const MatcherType& m, const Value& x) { return listener.str(); } +TEST(MonotonicMatcherTest, IsPrintable) { + stringstream ss; + ss << GreaterThan(5); + EXPECT_EQ("is > 5", ss.str()); +} + TEST(MatchResultListenerTest, StreamingWorks) { StringMatchResultListener listener; listener << "hi" << 5; @@ -332,6 +339,22 @@ TEST(MatcherTest, CanBeImplicitlyConstructedFromNULL) { EXPECT_FALSE(m1.Matches(&n)); } +// Tests that matchers can be constructed from a variable that is not properly +// defined. This should be illegal, but many users rely on this accidentally. +struct Undefined { + virtual ~Undefined() = 0; + static const int kInt = 1; +}; + +TEST(MatcherTest, CanBeConstructedFromUndefinedVariable) { + Matcher<int> m1 = Undefined::kInt; + EXPECT_TRUE(m1.Matches(1)); + EXPECT_FALSE(m1.Matches(2)); +} + +// Test that a matcher parameterized with an abstract class compiles. +TEST(MatcherTest, CanAcceptAbstractClass) { Matcher<const Undefined&> m = _; } + // Tests that matchers are copyable. TEST(MatcherTest, IsCopyable) { // Tests the copy constructor. @@ -365,66 +388,132 @@ TEST(MatcherTest, MatchAndExplain) { } // Tests that a C-string literal can be implicitly converted to a -// Matcher<string> or Matcher<const string&>. +// Matcher<std::string> or Matcher<const std::string&>. TEST(StringMatcherTest, CanBeImplicitlyConstructedFromCStringLiteral) { - Matcher<string> m1 = "hi"; + Matcher<std::string> m1 = "hi"; EXPECT_TRUE(m1.Matches("hi")); EXPECT_FALSE(m1.Matches("hello")); - Matcher<const string&> m2 = "hi"; + Matcher<const std::string&> m2 = "hi"; EXPECT_TRUE(m2.Matches("hi")); EXPECT_FALSE(m2.Matches("hello")); } // Tests that a string object can be implicitly converted to a -// Matcher<string> or Matcher<const string&>. +// Matcher<std::string> or Matcher<const std::string&>. TEST(StringMatcherTest, CanBeImplicitlyConstructedFromString) { - Matcher<string> m1 = string("hi"); + Matcher<std::string> m1 = std::string("hi"); + EXPECT_TRUE(m1.Matches("hi")); + EXPECT_FALSE(m1.Matches("hello")); + + Matcher<const std::string&> m2 = std::string("hi"); + EXPECT_TRUE(m2.Matches("hi")); + EXPECT_FALSE(m2.Matches("hello")); +} + +#if GTEST_HAS_GLOBAL_STRING +// Tests that a ::string object can be implicitly converted to a +// Matcher<std::string> or Matcher<const std::string&>. +TEST(StringMatcherTest, CanBeImplicitlyConstructedFromGlobalString) { + Matcher<std::string> m1 = ::string("hi"); + EXPECT_TRUE(m1.Matches("hi")); + EXPECT_FALSE(m1.Matches("hello")); + + Matcher<const std::string&> m2 = ::string("hi"); + EXPECT_TRUE(m2.Matches("hi")); + EXPECT_FALSE(m2.Matches("hello")); +} +#endif // GTEST_HAS_GLOBAL_STRING + +#if GTEST_HAS_GLOBAL_STRING +// Tests that a C-string literal can be implicitly converted to a +// Matcher<::string> or Matcher<const ::string&>. +TEST(GlobalStringMatcherTest, CanBeImplicitlyConstructedFromCStringLiteral) { + Matcher< ::string> m1 = "hi"; + EXPECT_TRUE(m1.Matches("hi")); + EXPECT_FALSE(m1.Matches("hello")); + + Matcher<const ::string&> m2 = "hi"; + EXPECT_TRUE(m2.Matches("hi")); + EXPECT_FALSE(m2.Matches("hello")); +} + +// Tests that a std::string object can be implicitly converted to a +// Matcher<::string> or Matcher<const ::string&>. +TEST(GlobalStringMatcherTest, CanBeImplicitlyConstructedFromString) { + Matcher< ::string> m1 = std::string("hi"); + EXPECT_TRUE(m1.Matches("hi")); + EXPECT_FALSE(m1.Matches("hello")); + + Matcher<const ::string&> m2 = std::string("hi"); + EXPECT_TRUE(m2.Matches("hi")); + EXPECT_FALSE(m2.Matches("hello")); +} + +// Tests that a ::string object can be implicitly converted to a +// Matcher<::string> or Matcher<const ::string&>. +TEST(GlobalStringMatcherTest, CanBeImplicitlyConstructedFromGlobalString) { + Matcher< ::string> m1 = ::string("hi"); EXPECT_TRUE(m1.Matches("hi")); EXPECT_FALSE(m1.Matches("hello")); - Matcher<const string&> m2 = string("hi"); + Matcher<const ::string&> m2 = ::string("hi"); EXPECT_TRUE(m2.Matches("hi")); EXPECT_FALSE(m2.Matches("hello")); } +#endif // GTEST_HAS_GLOBAL_STRING -#if GTEST_HAS_STRING_PIECE_ +#if GTEST_HAS_ABSL // Tests that a C-string literal can be implicitly converted to a -// Matcher<StringPiece> or Matcher<const StringPiece&>. -TEST(StringPieceMatcherTest, CanBeImplicitlyConstructedFromCStringLiteral) { - Matcher<StringPiece> m1 = "cats"; +// Matcher<absl::string_view> or Matcher<const absl::string_view&>. +TEST(StringViewMatcherTest, CanBeImplicitlyConstructedFromCStringLiteral) { + Matcher<absl::string_view> m1 = "cats"; EXPECT_TRUE(m1.Matches("cats")); EXPECT_FALSE(m1.Matches("dogs")); - Matcher<const StringPiece&> m2 = "cats"; + Matcher<const absl::string_view&> m2 = "cats"; EXPECT_TRUE(m2.Matches("cats")); EXPECT_FALSE(m2.Matches("dogs")); } -// Tests that a string object can be implicitly converted to a -// Matcher<StringPiece> or Matcher<const StringPiece&>. -TEST(StringPieceMatcherTest, CanBeImplicitlyConstructedFromString) { - Matcher<StringPiece> m1 = string("cats"); +// Tests that a std::string object can be implicitly converted to a +// Matcher<absl::string_view> or Matcher<const absl::string_view&>. +TEST(StringViewMatcherTest, CanBeImplicitlyConstructedFromString) { + Matcher<absl::string_view> m1 = std::string("cats"); + EXPECT_TRUE(m1.Matches("cats")); + EXPECT_FALSE(m1.Matches("dogs")); + + Matcher<const absl::string_view&> m2 = std::string("cats"); + EXPECT_TRUE(m2.Matches("cats")); + EXPECT_FALSE(m2.Matches("dogs")); +} + +#if GTEST_HAS_GLOBAL_STRING +// Tests that a ::string object can be implicitly converted to a +// Matcher<absl::string_view> or Matcher<const absl::string_view&>. +TEST(StringViewMatcherTest, CanBeImplicitlyConstructedFromGlobalString) { + Matcher<absl::string_view> m1 = ::string("cats"); EXPECT_TRUE(m1.Matches("cats")); EXPECT_FALSE(m1.Matches("dogs")); - Matcher<const StringPiece&> m2 = string("cats"); + Matcher<const absl::string_view&> m2 = ::string("cats"); EXPECT_TRUE(m2.Matches("cats")); EXPECT_FALSE(m2.Matches("dogs")); } +#endif // GTEST_HAS_GLOBAL_STRING -// Tests that a StringPiece object can be implicitly converted to a -// Matcher<StringPiece> or Matcher<const StringPiece&>. -TEST(StringPieceMatcherTest, CanBeImplicitlyConstructedFromStringPiece) { - Matcher<StringPiece> m1 = StringPiece("cats"); +// Tests that a absl::string_view object can be implicitly converted to a +// Matcher<absl::string_view> or Matcher<const absl::string_view&>. +TEST(StringViewMatcherTest, CanBeImplicitlyConstructedFromStringView) { + Matcher<absl::string_view> m1 = absl::string_view("cats"); EXPECT_TRUE(m1.Matches("cats")); EXPECT_FALSE(m1.Matches("dogs")); - Matcher<const StringPiece&> m2 = StringPiece("cats"); + Matcher<const absl::string_view&> m2 = absl::string_view("cats"); EXPECT_TRUE(m2.Matches("cats")); EXPECT_FALSE(m2.Matches("dogs")); } -#endif // GTEST_HAS_STRING_PIECE_ +#endif // GTEST_HAS_ABSL // Tests that MakeMatcher() constructs a Matcher<T> from a // MatcherInterface* without requiring the user to explicitly @@ -613,7 +702,7 @@ TEST(MatcherCastTest, FromSameType) { struct ConvertibleFromAny { ConvertibleFromAny(int a_value) : value(a_value) {} template <typename T> - explicit ConvertibleFromAny(const T& /*a_value*/) : value(-1) { +explicit ConvertibleFromAny(const T& /*a_value*/) : value(-1) { ADD_FAILURE() << "Conversion constructor called"; } int value; @@ -1177,6 +1266,13 @@ TEST(StrEqTest, MatchesEqualString) { Matcher<const std::string&> m2 = StrEq("Hello"); EXPECT_TRUE(m2.Matches("Hello")); EXPECT_FALSE(m2.Matches("Hi")); + +#if GTEST_HAS_ABSL + Matcher<const absl::string_view&> m3 = StrEq("Hello"); + EXPECT_TRUE(m3.Matches(absl::string_view("Hello"))); + EXPECT_FALSE(m3.Matches(absl::string_view("hello"))); + EXPECT_FALSE(m3.Matches(absl::string_view())); +#endif // GTEST_HAS_ABSL } TEST(StrEqTest, CanDescribeSelf) { @@ -1202,6 +1298,13 @@ TEST(StrNeTest, MatchesUnequalString) { Matcher<std::string> m2 = StrNe(std::string("Hello")); EXPECT_TRUE(m2.Matches("hello")); EXPECT_FALSE(m2.Matches("Hello")); + +#if GTEST_HAS_ABSL + Matcher<const absl::string_view> m3 = StrNe("Hello"); + EXPECT_TRUE(m3.Matches(absl::string_view(""))); + EXPECT_TRUE(m3.Matches(absl::string_view())); + EXPECT_FALSE(m3.Matches(absl::string_view("Hello"))); +#endif // GTEST_HAS_ABSL } TEST(StrNeTest, CanDescribeSelf) { @@ -1210,15 +1313,23 @@ TEST(StrNeTest, CanDescribeSelf) { } TEST(StrCaseEqTest, MatchesEqualStringIgnoringCase) { - Matcher<const char*> m = StrCaseEq(string("Hello")); + Matcher<const char*> m = StrCaseEq(std::string("Hello")); EXPECT_TRUE(m.Matches("Hello")); EXPECT_TRUE(m.Matches("hello")); EXPECT_FALSE(m.Matches("Hi")); EXPECT_FALSE(m.Matches(NULL)); - Matcher<const string&> m2 = StrCaseEq("Hello"); + Matcher<const std::string&> m2 = StrCaseEq("Hello"); EXPECT_TRUE(m2.Matches("hello")); EXPECT_FALSE(m2.Matches("Hi")); + +#if GTEST_HAS_ABSL + Matcher<const absl::string_view&> m3 = StrCaseEq(std::string("Hello")); + EXPECT_TRUE(m3.Matches(absl::string_view("Hello"))); + EXPECT_TRUE(m3.Matches(absl::string_view("hello"))); + EXPECT_FALSE(m3.Matches(absl::string_view("Hi"))); + EXPECT_FALSE(m3.Matches(absl::string_view())); +#endif // GTEST_HAS_ABSL } TEST(StrCaseEqTest, MatchesEqualStringWith0IgnoringCase) { @@ -1261,6 +1372,14 @@ TEST(StrCaseNeTest, MatchesUnequalStringIgnoringCase) { Matcher<std::string> m2 = StrCaseNe(std::string("Hello")); EXPECT_TRUE(m2.Matches("")); EXPECT_FALSE(m2.Matches("Hello")); + +#if GTEST_HAS_ABSL + Matcher<const absl::string_view> m3 = StrCaseNe("Hello"); + EXPECT_TRUE(m3.Matches(absl::string_view("Hi"))); + EXPECT_TRUE(m3.Matches(absl::string_view())); + EXPECT_FALSE(m3.Matches(absl::string_view("Hello"))); + EXPECT_FALSE(m3.Matches(absl::string_view("hello"))); +#endif // GTEST_HAS_ABSL } TEST(StrCaseNeTest, CanDescribeSelf) { @@ -1292,6 +1411,25 @@ TEST(HasSubstrTest, WorksForCStrings) { EXPECT_FALSE(m2.Matches(NULL)); } +#if GTEST_HAS_ABSL +// Tests that HasSubstr() works for matching absl::string_view-typed values. +TEST(HasSubstrTest, WorksForStringViewClasses) { + const Matcher<absl::string_view> m1 = HasSubstr("foo"); + EXPECT_TRUE(m1.Matches(absl::string_view("I love food."))); + EXPECT_FALSE(m1.Matches(absl::string_view("tofo"))); + EXPECT_FALSE(m1.Matches(absl::string_view())); + + const Matcher<const absl::string_view&> m2 = HasSubstr("foo"); + EXPECT_TRUE(m2.Matches(absl::string_view("I love food."))); + EXPECT_FALSE(m2.Matches(absl::string_view("tofo"))); + EXPECT_FALSE(m2.Matches(absl::string_view())); + + const Matcher<const absl::string_view&> m3 = HasSubstr(""); + EXPECT_TRUE(m3.Matches(absl::string_view("foo"))); + EXPECT_FALSE(m3.Matches(absl::string_view())); +} +#endif // GTEST_HAS_ABSL + // Tests that HasSubstr(s) describes itself properly. TEST(HasSubstrTest, CanDescribeSelf) { Matcher<std::string> m = HasSubstr("foo\n\""); @@ -1320,6 +1458,35 @@ TEST(KeyTest, MatchesCorrectly) { EXPECT_THAT(p, Not(Key(Lt(25)))); } +#if GTEST_LANG_CXX11 +template <size_t I> +struct Tag {}; + +struct PairWithGet { + int member_1; + string member_2; + using first_type = int; + using second_type = string; + + const int& GetImpl(Tag<0>) const { return member_1; } + const string& GetImpl(Tag<1>) const { return member_2; } +}; +template <size_t I> +auto get(const PairWithGet& value) -> decltype(value.GetImpl(Tag<I>())) { + return value.GetImpl(Tag<I>()); +} +TEST(PairTest, MatchesPairWithGetCorrectly) { + PairWithGet p{25, "foo"}; + EXPECT_THAT(p, Key(25)); + EXPECT_THAT(p, Not(Key(42))); + EXPECT_THAT(p, Key(Ge(20))); + EXPECT_THAT(p, Not(Key(Lt(25)))); + + std::vector<PairWithGet> v = {{11, "Foo"}, {29, "gMockIsBestMock"}}; + EXPECT_THAT(v, Contains(Key(29))); +} +#endif // GTEST_LANG_CXX11 + TEST(KeyTest, SafelyCastsInnerMatcher) { Matcher<int> is_positive = Gt(0); Matcher<int> is_negative = Lt(0); @@ -1423,7 +1590,7 @@ TEST(PairTest, MatchesCorrectly) { EXPECT_THAT(p, Pair(25, "foo")); EXPECT_THAT(p, Pair(Ge(20), HasSubstr("o"))); - // 'first' does not match, but 'second' matches. + // 'first' doesnt' match, but 'second' matches. EXPECT_THAT(p, Not(Pair(42, "foo"))); EXPECT_THAT(p, Not(Pair(Lt(25), "foo"))); @@ -1457,6 +1624,18 @@ TEST(PairTest, InsideContainsUsingMap) { EXPECT_THAT(container, Not(Contains(Pair(3, _)))); } +#if GTEST_LANG_CXX11 +TEST(PairTest, UseGetInsteadOfMembers) { + PairWithGet pair{7, "ABC"}; + EXPECT_THAT(pair, Pair(7, "ABC")); + EXPECT_THAT(pair, Pair(Ge(7), HasSubstr("AB"))); + EXPECT_THAT(pair, Not(Pair(Lt(7), "ABC"))); + + std::vector<PairWithGet> v = {{11, "Foo"}, {29, "gMockIsBestMock"}}; + EXPECT_THAT(v, ElementsAre(Pair(11, string("Foo")), Pair(Ge(10), Not("")))); +} +#endif // GTEST_LANG_CXX11 + // Tests StartsWith(s). TEST(StartsWithTest, MatchesStringWithGivenPrefix) { @@ -1486,12 +1665,30 @@ TEST(EndsWithTest, MatchesStringWithGivenSuffix) { EXPECT_TRUE(m1.Matches("")); EXPECT_FALSE(m1.Matches(NULL)); - const Matcher<const string&> m2 = EndsWith(string("Hi")); + const Matcher<const std::string&> m2 = EndsWith(std::string("Hi")); EXPECT_TRUE(m2.Matches("Hi")); EXPECT_TRUE(m2.Matches("Wow Hi Hi")); EXPECT_TRUE(m2.Matches("Super Hi")); EXPECT_FALSE(m2.Matches("i")); EXPECT_FALSE(m2.Matches("Hi ")); + +#if GTEST_HAS_GLOBAL_STRING + const Matcher<const ::string&> m3 = EndsWith(::string("Hi")); + EXPECT_TRUE(m3.Matches("Hi")); + EXPECT_TRUE(m3.Matches("Wow Hi Hi")); + EXPECT_TRUE(m3.Matches("Super Hi")); + EXPECT_FALSE(m3.Matches("i")); + EXPECT_FALSE(m3.Matches("Hi ")); +#endif // GTEST_HAS_GLOBAL_STRING + +#if GTEST_HAS_ABSL + const Matcher<const absl::string_view&> m4 = EndsWith(""); + EXPECT_TRUE(m4.Matches("Hi")); + EXPECT_TRUE(m4.Matches("")); + // Default-constructed absl::string_view should not match anything, in order + // to distinguish it from an empty string. + EXPECT_FALSE(m4.Matches(absl::string_view())); +#endif // GTEST_HAS_ABSL } TEST(EndsWithTest, CanDescribeSelf) { @@ -1511,6 +1708,18 @@ TEST(MatchesRegexTest, MatchesStringMatchingGivenRegex) { EXPECT_TRUE(m2.Matches("azbz")); EXPECT_FALSE(m2.Matches("az1")); EXPECT_FALSE(m2.Matches("1az")); + +#if GTEST_HAS_ABSL + const Matcher<const absl::string_view&> m3 = MatchesRegex("a.*z"); + EXPECT_TRUE(m3.Matches(absl::string_view("az"))); + EXPECT_TRUE(m3.Matches(absl::string_view("abcz"))); + EXPECT_FALSE(m3.Matches(absl::string_view("1az"))); + // Default-constructed absl::string_view should not match anything, in order + // to distinguish it from an empty string. + EXPECT_FALSE(m3.Matches(absl::string_view())); + const Matcher<const absl::string_view&> m4 = MatchesRegex(""); + EXPECT_FALSE(m4.Matches(absl::string_view())); +#endif // GTEST_HAS_ABSL } TEST(MatchesRegexTest, CanDescribeSelf) { @@ -1519,6 +1728,11 @@ TEST(MatchesRegexTest, CanDescribeSelf) { Matcher<const char*> m2 = MatchesRegex(new RE("a.*")); EXPECT_EQ("matches regular expression \"a.*\"", Describe(m2)); + +#if GTEST_HAS_ABSL + Matcher<const absl::string_view> m3 = MatchesRegex(new RE("0.*")); + EXPECT_EQ("matches regular expression \"0.*\"", Describe(m3)); +#endif // GTEST_HAS_ABSL } // Tests ContainsRegex(). @@ -1533,6 +1747,18 @@ TEST(ContainsRegexTest, MatchesStringContainingGivenRegex) { EXPECT_TRUE(m2.Matches("azbz")); EXPECT_TRUE(m2.Matches("az1")); EXPECT_FALSE(m2.Matches("1a")); + +#if GTEST_HAS_ABSL + const Matcher<const absl::string_view&> m3 = ContainsRegex(new RE("a.*z")); + EXPECT_TRUE(m3.Matches(absl::string_view("azbz"))); + EXPECT_TRUE(m3.Matches(absl::string_view("az1"))); + EXPECT_FALSE(m3.Matches(absl::string_view("1a"))); + // Default-constructed absl::string_view should not match anything, in order + // to distinguish it from an empty string. + EXPECT_FALSE(m3.Matches(absl::string_view())); + const Matcher<const absl::string_view&> m4 = ContainsRegex(""); + EXPECT_FALSE(m4.Matches(absl::string_view())); +#endif // GTEST_HAS_ABSL } TEST(ContainsRegexTest, CanDescribeSelf) { @@ -1541,6 +1767,11 @@ TEST(ContainsRegexTest, CanDescribeSelf) { Matcher<const char*> m2 = ContainsRegex(new RE("a.*")); EXPECT_EQ("contains regular expression \"a.*\"", Describe(m2)); + +#if GTEST_HAS_ABSL + Matcher<const absl::string_view> m3 = ContainsRegex(new RE("0.*")); + EXPECT_EQ("contains regular expression \"0.*\"", Describe(m3)); +#endif // GTEST_HAS_ABSL } // Tests for wide strings. |