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merging gmock matchers 1

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This commit is contained in:
Gennadiy Civil
2018-04-04 14:05:00 -04:00
parent 1776ed8c1e
commit e55089ec11
3 changed files with 485 additions and 74 deletions
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299
googlemock/test/gmock-matchers_test.cc
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@@ -45,6 +45,7 @@
#include <limits>
#include <list>
#include <map>
#include <memory>
#include <set>
#include <sstream>
#include <string>
@@ -58,13 +59,11 @@
# include <forward_list> // NOLINT
#endif
// Disable MSVC2015 warning for std::pair: "decorated name length exceeded, name was truncated".
#if defined(_MSC_VER) && (_MSC_VER == 1900)
# pragma warning(disable:4503)
#if GTEST_LANG_CXX11
# include <type_traits>
#endif
namespace testing {
namespace gmock_matchers_test {
using std::greater;
@@ -200,17 +199,13 @@ 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 +216,12 @@ 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 +333,22 @@ 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 +382,132 @@ 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 string&> m2 = string("hi");
Matcher<const std::string&> m2 = std::string("hi");
EXPECT_TRUE(m2.Matches("hi"));
EXPECT_FALSE(m2.Matches("hello"));
}
#if GTEST_HAS_STRING_PIECE_
#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<StringPiece> or Matcher<const StringPiece&>.
TEST(StringPieceMatcherTest, CanBeImplicitlyConstructedFromCStringLiteral) {
Matcher<StringPiece> m1 = "cats";
// 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");
EXPECT_TRUE(m2.Matches("hi"));
EXPECT_FALSE(m2.Matches("hello"));
}
#endif // GTEST_HAS_GLOBAL_STRING
#if GTEST_HAS_ABSL
// Tests that a C-string literal can be implicitly converted to a
// 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 StringPiece&> m2 = string("cats");
Matcher<const absl::string_view&> m2 = std::string("cats");
EXPECT_TRUE(m2.Matches("cats"));
EXPECT_FALSE(m2.Matches("dogs"));
}
// 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");
#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 = StringPiece("cats");
Matcher<const absl::string_view&> m2 = ::string("cats");
EXPECT_TRUE(m2.Matches("cats"));
EXPECT_FALSE(m2.Matches("dogs"));
}
#endif // GTEST_HAS_STRING_PIECE_
#endif // GTEST_HAS_GLOBAL_STRING
// 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 absl::string_view&> m2 = absl::string_view("cats");
EXPECT_TRUE(m2.Matches("cats"));
EXPECT_FALSE(m2.Matches("dogs"));
}
#endif // GTEST_HAS_ABSL
// Tests that MakeMatcher() constructs a Matcher<T> from a
// MatcherInterface* without requiring the user to explicitly
@@ -613,7 +696,7 @@ TEST(MatcherCastTest, FromSameType) {
struct ConvertibleFromAny {
ConvertibleFromAny(int a_value) : value(a_value) {}
template <typename T>
explicit ConvertibleFromAny(const T& /*a_value*/) : value(-1) {
ConvertibleFromAny(const T& /*a_value*/) : value(-1) {
ADD_FAILURE() << "Conversion constructor called";
}
int value;
@@ -1177,6 +1260,13 @@ 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 +1292,13 @@ 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 +1307,23 @@ 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 +1366,14 @@ 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 +1405,25 @@ 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 +1452,35 @@ 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 +1584,7 @@ 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 +1618,18 @@ 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 +1659,30 @@ 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 +1702,18 @@ 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 +1722,11 @@ 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 +1741,18 @@ 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 +1761,11 @@ 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.