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google/googletest/dist/googletest/test/gtest-typed-test_test.cc
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// Copyright 2008 Google Inc. | |||||
// All Rights Reserved. | |||||
// | |||||
// Redistribution and use in source and binary forms, with or without | |||||
// modification, are permitted provided that the following conditions are | |||||
// met: | |||||
// | |||||
// * Redistributions of source code must retain the above copyright | |||||
// notice, this list of conditions and the following disclaimer. | |||||
// * Redistributions in binary form must reproduce the above | |||||
// copyright notice, this list of conditions and the following disclaimer | |||||
// in the documentation and/or other materials provided with the | |||||
// distribution. | |||||
// * Neither the name of Google Inc. nor the names of its | |||||
// contributors may be used to endorse or promote products derived from | |||||
// this software without specific prior written permission. | |||||
// | |||||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |||||
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |||||
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |||||
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |||||
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |||||
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |||||
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |||||
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |||||
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |||||
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |||||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |||||
#include "test/gtest-typed-test_test.h" | |||||
#include <set> | |||||
#include <vector> | |||||
#include "gtest/gtest.h" | |||||
#if _MSC_VER | |||||
GTEST_DISABLE_MSC_WARNINGS_PUSH_(4127 /* conditional expression is constant */) | |||||
#endif // _MSC_VER | |||||
using testing::Test; | |||||
// Used for testing that SetUpTestCase()/TearDownTestCase(), fixture | |||||
// ctor/dtor, and SetUp()/TearDown() work correctly in typed tests and | |||||
// type-parameterized test. | |||||
template <typename T> | |||||
class CommonTest : public Test { | |||||
// For some technical reason, SetUpTestCase() and TearDownTestCase() | |||||
// must be public. | |||||
public: | |||||
static void SetUpTestCase() { | |||||
shared_ = new T(5); | |||||
} | |||||
static void TearDownTestCase() { | |||||
delete shared_; | |||||
shared_ = NULL; | |||||
} | |||||
// This 'protected:' is optional. There's no harm in making all | |||||
// members of this fixture class template public. | |||||
protected: | |||||
// We used to use std::list here, but switched to std::vector since | |||||
// MSVC's <list> doesn't compile cleanly with /W4. | |||||
typedef std::vector<T> Vector; | |||||
typedef std::set<int> IntSet; | |||||
CommonTest() : value_(1) {} | |||||
virtual ~CommonTest() { EXPECT_EQ(3, value_); } | |||||
virtual void SetUp() { | |||||
EXPECT_EQ(1, value_); | |||||
value_++; | |||||
} | |||||
virtual void TearDown() { | |||||
EXPECT_EQ(2, value_); | |||||
value_++; | |||||
} | |||||
T value_; | |||||
static T* shared_; | |||||
}; | |||||
template <typename T> | |||||
T* CommonTest<T>::shared_ = NULL; | |||||
// This #ifdef block tests typed tests. | |||||
#if GTEST_HAS_TYPED_TEST | |||||
using testing::Types; | |||||
// Tests that SetUpTestCase()/TearDownTestCase(), fixture ctor/dtor, | |||||
// and SetUp()/TearDown() work correctly in typed tests | |||||
typedef Types<char, int> TwoTypes; | |||||
TYPED_TEST_CASE(CommonTest, TwoTypes); | |||||
TYPED_TEST(CommonTest, ValuesAreCorrect) { | |||||
// Static members of the fixture class template can be visited via | |||||
// the TestFixture:: prefix. | |||||
EXPECT_EQ(5, *TestFixture::shared_); | |||||
// Typedefs in the fixture class template can be visited via the | |||||
// "typename TestFixture::" prefix. | |||||
typename TestFixture::Vector empty; | |||||
EXPECT_EQ(0U, empty.size()); | |||||
typename TestFixture::IntSet empty2; | |||||
EXPECT_EQ(0U, empty2.size()); | |||||
// Non-static members of the fixture class must be visited via | |||||
// 'this', as required by C++ for class templates. | |||||
EXPECT_EQ(2, this->value_); | |||||
} | |||||
// The second test makes sure shared_ is not deleted after the first | |||||
// test. | |||||
TYPED_TEST(CommonTest, ValuesAreStillCorrect) { | |||||
// Static members of the fixture class template can also be visited | |||||
// via 'this'. | |||||
ASSERT_TRUE(this->shared_ != NULL); | |||||
EXPECT_EQ(5, *this->shared_); | |||||
// TypeParam can be used to refer to the type parameter. | |||||
EXPECT_EQ(static_cast<TypeParam>(2), this->value_); | |||||
} | |||||
// Tests that multiple TYPED_TEST_CASE's can be defined in the same | |||||
// translation unit. | |||||
template <typename T> | |||||
class TypedTest1 : public Test { | |||||
}; | |||||
// Verifies that the second argument of TYPED_TEST_CASE can be a | |||||
// single type. | |||||
TYPED_TEST_CASE(TypedTest1, int); | |||||
TYPED_TEST(TypedTest1, A) {} | |||||
template <typename T> | |||||
class TypedTest2 : public Test { | |||||
}; | |||||
// Verifies that the second argument of TYPED_TEST_CASE can be a | |||||
// Types<...> type list. | |||||
TYPED_TEST_CASE(TypedTest2, Types<int>); | |||||
// This also verifies that tests from different typed test cases can | |||||
// share the same name. | |||||
TYPED_TEST(TypedTest2, A) {} | |||||
// Tests that a typed test case can be defined in a namespace. | |||||
namespace library1 { | |||||
template <typename T> | |||||
class NumericTest : public Test { | |||||
}; | |||||
typedef Types<int, long> NumericTypes; | |||||
TYPED_TEST_CASE(NumericTest, NumericTypes); | |||||
TYPED_TEST(NumericTest, DefaultIsZero) { | |||||
EXPECT_EQ(0, TypeParam()); | |||||
} | |||||
} // namespace library1 | |||||
// Tests that custom names work. | |||||
template <typename T> | |||||
class TypedTestWithNames : public Test {}; | |||||
class TypedTestNames { | |||||
public: | |||||
template <typename T> | |||||
static std::string GetName(int i) { | |||||
if (testing::internal::IsSame<T, char>::value) { | |||||
return std::string("char") + ::testing::PrintToString(i); | |||||
} | |||||
if (testing::internal::IsSame<T, int>::value) { | |||||
return std::string("int") + ::testing::PrintToString(i); | |||||
} | |||||
} | |||||
}; | |||||
TYPED_TEST_CASE(TypedTestWithNames, TwoTypes, TypedTestNames); | |||||
TYPED_TEST(TypedTestWithNames, TestCaseName) { | |||||
if (testing::internal::IsSame<TypeParam, char>::value) { | |||||
EXPECT_STREQ(::testing::UnitTest::GetInstance() | |||||
->current_test_info() | |||||
->test_case_name(), | |||||
"TypedTestWithNames/char0"); | |||||
} | |||||
if (testing::internal::IsSame<TypeParam, int>::value) { | |||||
EXPECT_STREQ(::testing::UnitTest::GetInstance() | |||||
->current_test_info() | |||||
->test_case_name(), | |||||
"TypedTestWithNames/int1"); | |||||
} | |||||
} | |||||
#endif // GTEST_HAS_TYPED_TEST | |||||
// This #ifdef block tests type-parameterized tests. | |||||
#if GTEST_HAS_TYPED_TEST_P | |||||
using testing::Types; | |||||
using testing::internal::TypedTestCasePState; | |||||
// Tests TypedTestCasePState. | |||||
class TypedTestCasePStateTest : public Test { | |||||
protected: | |||||
virtual void SetUp() { | |||||
state_.AddTestName("foo.cc", 0, "FooTest", "A"); | |||||
state_.AddTestName("foo.cc", 0, "FooTest", "B"); | |||||
state_.AddTestName("foo.cc", 0, "FooTest", "C"); | |||||
} | |||||
TypedTestCasePState state_; | |||||
}; | |||||
TEST_F(TypedTestCasePStateTest, SucceedsForMatchingList) { | |||||
const char* tests = "A, B, C"; | |||||
EXPECT_EQ(tests, | |||||
state_.VerifyRegisteredTestNames("foo.cc", 1, tests)); | |||||
} | |||||
// Makes sure that the order of the tests and spaces around the names | |||||
// don't matter. | |||||
TEST_F(TypedTestCasePStateTest, IgnoresOrderAndSpaces) { | |||||
const char* tests = "A,C, B"; | |||||
EXPECT_EQ(tests, | |||||
state_.VerifyRegisteredTestNames("foo.cc", 1, tests)); | |||||
} | |||||
typedef TypedTestCasePStateTest TypedTestCasePStateDeathTest; | |||||
TEST_F(TypedTestCasePStateDeathTest, DetectsDuplicates) { | |||||
EXPECT_DEATH_IF_SUPPORTED( | |||||
state_.VerifyRegisteredTestNames("foo.cc", 1, "A, B, A, C"), | |||||
"foo\\.cc.1.?: Test A is listed more than once\\."); | |||||
} | |||||
TEST_F(TypedTestCasePStateDeathTest, DetectsExtraTest) { | |||||
EXPECT_DEATH_IF_SUPPORTED( | |||||
state_.VerifyRegisteredTestNames("foo.cc", 1, "A, B, C, D"), | |||||
"foo\\.cc.1.?: No test named D can be found in this test case\\."); | |||||
} | |||||
TEST_F(TypedTestCasePStateDeathTest, DetectsMissedTest) { | |||||
EXPECT_DEATH_IF_SUPPORTED( | |||||
state_.VerifyRegisteredTestNames("foo.cc", 1, "A, C"), | |||||
"foo\\.cc.1.?: You forgot to list test B\\."); | |||||
} | |||||
// Tests that defining a test for a parameterized test case generates | |||||
// a run-time error if the test case has been registered. | |||||
TEST_F(TypedTestCasePStateDeathTest, DetectsTestAfterRegistration) { | |||||
state_.VerifyRegisteredTestNames("foo.cc", 1, "A, B, C"); | |||||
EXPECT_DEATH_IF_SUPPORTED( | |||||
state_.AddTestName("foo.cc", 2, "FooTest", "D"), | |||||
"foo\\.cc.2.?: Test D must be defined before REGISTER_TYPED_TEST_CASE_P" | |||||
"\\(FooTest, \\.\\.\\.\\)\\."); | |||||
} | |||||
// Tests that SetUpTestCase()/TearDownTestCase(), fixture ctor/dtor, | |||||
// and SetUp()/TearDown() work correctly in type-parameterized tests. | |||||
template <typename T> | |||||
class DerivedTest : public CommonTest<T> { | |||||
}; | |||||
TYPED_TEST_CASE_P(DerivedTest); | |||||
TYPED_TEST_P(DerivedTest, ValuesAreCorrect) { | |||||
// Static members of the fixture class template can be visited via | |||||
// the TestFixture:: prefix. | |||||
EXPECT_EQ(5, *TestFixture::shared_); | |||||
// Non-static members of the fixture class must be visited via | |||||
// 'this', as required by C++ for class templates. | |||||
EXPECT_EQ(2, this->value_); | |||||
} | |||||
// The second test makes sure shared_ is not deleted after the first | |||||
// test. | |||||
TYPED_TEST_P(DerivedTest, ValuesAreStillCorrect) { | |||||
// Static members of the fixture class template can also be visited | |||||
// via 'this'. | |||||
ASSERT_TRUE(this->shared_ != NULL); | |||||
EXPECT_EQ(5, *this->shared_); | |||||
EXPECT_EQ(2, this->value_); | |||||
} | |||||
REGISTER_TYPED_TEST_CASE_P(DerivedTest, | |||||
ValuesAreCorrect, ValuesAreStillCorrect); | |||||
typedef Types<short, long> MyTwoTypes; | |||||
INSTANTIATE_TYPED_TEST_CASE_P(My, DerivedTest, MyTwoTypes); | |||||
// Tests that custom names work with type parametrized tests. We reuse the | |||||
// TwoTypes from above here. | |||||
template <typename T> | |||||
class TypeParametrizedTestWithNames : public Test {}; | |||||
TYPED_TEST_CASE_P(TypeParametrizedTestWithNames); | |||||
TYPED_TEST_P(TypeParametrizedTestWithNames, TestCaseName) { | |||||
if (testing::internal::IsSame<TypeParam, char>::value) { | |||||
EXPECT_STREQ(::testing::UnitTest::GetInstance() | |||||
->current_test_info() | |||||
->test_case_name(), | |||||
"CustomName/TypeParametrizedTestWithNames/parChar0"); | |||||
} | |||||
if (testing::internal::IsSame<TypeParam, int>::value) { | |||||
EXPECT_STREQ(::testing::UnitTest::GetInstance() | |||||
->current_test_info() | |||||
->test_case_name(), | |||||
"CustomName/TypeParametrizedTestWithNames/parInt1"); | |||||
} | |||||
} | |||||
REGISTER_TYPED_TEST_CASE_P(TypeParametrizedTestWithNames, TestCaseName); | |||||
class TypeParametrizedTestNames { | |||||
public: | |||||
template <typename T> | |||||
static std::string GetName(int i) { | |||||
if (testing::internal::IsSame<T, char>::value) { | |||||
return std::string("parChar") + ::testing::PrintToString(i); | |||||
} | |||||
if (testing::internal::IsSame<T, int>::value) { | |||||
return std::string("parInt") + ::testing::PrintToString(i); | |||||
} | |||||
} | |||||
}; | |||||
INSTANTIATE_TYPED_TEST_CASE_P(CustomName, TypeParametrizedTestWithNames, | |||||
TwoTypes, TypeParametrizedTestNames); | |||||
// Tests that multiple TYPED_TEST_CASE_P's can be defined in the same | |||||
// translation unit. | |||||
template <typename T> | |||||
class TypedTestP1 : public Test { | |||||
}; | |||||
TYPED_TEST_CASE_P(TypedTestP1); | |||||
// For testing that the code between TYPED_TEST_CASE_P() and | |||||
// TYPED_TEST_P() is not enclosed in a namespace. | |||||
typedef int IntAfterTypedTestCaseP; | |||||
TYPED_TEST_P(TypedTestP1, A) {} | |||||
TYPED_TEST_P(TypedTestP1, B) {} | |||||
// For testing that the code between TYPED_TEST_P() and | |||||
// REGISTER_TYPED_TEST_CASE_P() is not enclosed in a namespace. | |||||
typedef int IntBeforeRegisterTypedTestCaseP; | |||||
REGISTER_TYPED_TEST_CASE_P(TypedTestP1, A, B); | |||||
template <typename T> | |||||
class TypedTestP2 : public Test { | |||||
}; | |||||
TYPED_TEST_CASE_P(TypedTestP2); | |||||
// This also verifies that tests from different type-parameterized | |||||
// test cases can share the same name. | |||||
TYPED_TEST_P(TypedTestP2, A) {} | |||||
REGISTER_TYPED_TEST_CASE_P(TypedTestP2, A); | |||||
// Verifies that the code between TYPED_TEST_CASE_P() and | |||||
// REGISTER_TYPED_TEST_CASE_P() is not enclosed in a namespace. | |||||
IntAfterTypedTestCaseP after = 0; | |||||
IntBeforeRegisterTypedTestCaseP before = 0; | |||||
// Verifies that the last argument of INSTANTIATE_TYPED_TEST_CASE_P() | |||||
// can be either a single type or a Types<...> type list. | |||||
INSTANTIATE_TYPED_TEST_CASE_P(Int, TypedTestP1, int); | |||||
INSTANTIATE_TYPED_TEST_CASE_P(Int, TypedTestP2, Types<int>); | |||||
// Tests that the same type-parameterized test case can be | |||||
// instantiated more than once in the same translation unit. | |||||
INSTANTIATE_TYPED_TEST_CASE_P(Double, TypedTestP2, Types<double>); | |||||
// Tests that the same type-parameterized test case can be | |||||
// instantiated in different translation units linked together. | |||||
// (ContainerTest is also instantiated in gtest-typed-test_test.cc.) | |||||
typedef Types<std::vector<double>, std::set<char> > MyContainers; | |||||
INSTANTIATE_TYPED_TEST_CASE_P(My, ContainerTest, MyContainers); | |||||
// Tests that a type-parameterized test case can be defined and | |||||
// instantiated in a namespace. | |||||
namespace library2 { | |||||
template <typename T> | |||||
class NumericTest : public Test { | |||||
}; | |||||
TYPED_TEST_CASE_P(NumericTest); | |||||
TYPED_TEST_P(NumericTest, DefaultIsZero) { | |||||
EXPECT_EQ(0, TypeParam()); | |||||
} | |||||
TYPED_TEST_P(NumericTest, ZeroIsLessThanOne) { | |||||
EXPECT_LT(TypeParam(0), TypeParam(1)); | |||||
} | |||||
REGISTER_TYPED_TEST_CASE_P(NumericTest, | |||||
DefaultIsZero, ZeroIsLessThanOne); | |||||
typedef Types<int, double> NumericTypes; | |||||
INSTANTIATE_TYPED_TEST_CASE_P(My, NumericTest, NumericTypes); | |||||
static const char* GetTestName() { | |||||
return testing::UnitTest::GetInstance()->current_test_info()->name(); | |||||
} | |||||
// Test the stripping of space from test names | |||||
template <typename T> class TrimmedTest : public Test { }; | |||||
TYPED_TEST_CASE_P(TrimmedTest); | |||||
TYPED_TEST_P(TrimmedTest, Test1) { EXPECT_STREQ("Test1", GetTestName()); } | |||||
TYPED_TEST_P(TrimmedTest, Test2) { EXPECT_STREQ("Test2", GetTestName()); } | |||||
TYPED_TEST_P(TrimmedTest, Test3) { EXPECT_STREQ("Test3", GetTestName()); } | |||||
TYPED_TEST_P(TrimmedTest, Test4) { EXPECT_STREQ("Test4", GetTestName()); } | |||||
TYPED_TEST_P(TrimmedTest, Test5) { EXPECT_STREQ("Test5", GetTestName()); } | |||||
REGISTER_TYPED_TEST_CASE_P( | |||||
TrimmedTest, | |||||
Test1, Test2,Test3 , Test4 ,Test5 ); // NOLINT | |||||
template <typename T1, typename T2> struct MyPair {}; | |||||
// Be sure to try a type with a comma in its name just in case it matters. | |||||
typedef Types<int, double, MyPair<int, int> > TrimTypes; | |||||
INSTANTIATE_TYPED_TEST_CASE_P(My, TrimmedTest, TrimTypes); | |||||
} // namespace library2 | |||||
#endif // GTEST_HAS_TYPED_TEST_P | |||||
#if !defined(GTEST_HAS_TYPED_TEST) && !defined(GTEST_HAS_TYPED_TEST_P) | |||||
// Google Test may not support type-parameterized tests with some | |||||
// compilers. If we use conditional compilation to compile out all | |||||
// code referring to the gtest_main library, MSVC linker will not link | |||||
// that library at all and consequently complain about missing entry | |||||
// point defined in that library (fatal error LNK1561: entry point | |||||
// must be defined). This dummy test keeps gtest_main linked in. | |||||
TEST(DummyTest, TypedTestsAreNotSupportedOnThisPlatform) {} | |||||
#if _MSC_VER | |||||
GTEST_DISABLE_MSC_WARNINGS_POP_() // 4127 | |||||
#endif // _MSC_VER | |||||
#endif // #if !defined(GTEST_HAS_TYPED_TEST) && !defined(GTEST_HAS_TYPED_TEST_P) |