// 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. // GOOGLETEST_CM0001 DO NOT DELETE #ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_TYPED_TEST_H_ #define GOOGLETEST_INCLUDE_GTEST_GTEST_TYPED_TEST_H_ // This header implements typed tests and type-parameterized tests. // Typed (aka type-driven) tests repeat the same test for types in a // list. You must know which types you want to test with when writing // typed tests. Here's how you do it: #if 0 // First, define a fixture class template. It should be parameterized // by a type. Remember to derive it from testing::Test. template class FooTest : public testing::Test { public: ... typedef std::list List; static T shared_; T value_; }; // Next, associate a list of types with the test suite, which will be // repeated for each type in the list. The typedef is necessary for // the macro to parse correctly. typedef testing::Types MyTypes; TYPED_TEST_SUITE(FooTest, MyTypes); // If the type list contains only one type, you can write that type // directly without Types<...>: // TYPED_TEST_SUITE(FooTest, int); // Then, use TYPED_TEST() instead of TEST_F() to define as many typed // tests for this test suite as you want. TYPED_TEST(FooTest, DoesBlah) { // Inside a test, refer to the special name TypeParam to get the type // parameter. Since we are inside a derived class template, C++ requires // us to visit the members of FooTest via 'this'. TypeParam n = this->value_; // To visit static members of the fixture, add the TestFixture:: // prefix. n += TestFixture::shared_; // To refer to typedefs in the fixture, add the "typename // TestFixture::" prefix. typename TestFixture::List values; values.push_back(n); ... } TYPED_TEST(FooTest, HasPropertyA) { ... } // TYPED_TEST_SUITE takes an optional third argument which allows to specify a // class that generates custom test name suffixes based on the type. This should // be a class which has a static template function GetName(int index) returning // a string for each type. The provided integer index equals the index of the // type in the provided type list. In many cases the index can be ignored. // // For example: // class MyTypeNames { // public: // template // static std::string GetName(int) { // if (std::is_same()) return "char"; // if (std::is_same()) return "int"; // if (std::is_same()) return "unsignedInt"; // } // }; // TYPED_TEST_SUITE(FooTest, MyTypes, MyTypeNames); #endif // 0 // Type-parameterized tests are abstract test patterns parameterized // by a type. Compared with typed tests, type-parameterized tests // allow you to define the test pattern without knowing what the type // parameters are. The defined pattern can be instantiated with // different types any number of times, in any number of translation // units. // // If you are designing an interface or concept, you can define a // suite of type-parameterized tests to verify properties that any // valid implementation of the interface/concept should have. Then, // each implementation can easily instantiate the test suite to verify // that it conforms to the requirements, without having to write // similar tests repeatedly. Here's an example: #if 0 // First, define a fixture class template. It should be parameterized // by a type. Remember to derive it from testing::Test. template class FooTest : public testing::Test { ... }; // Next, declare that you will define a type-parameterized test suite // (the _P suffix is for "parameterized" or "pattern", whichever you // prefer): TYPED_TEST_SUITE_P(FooTest); // Then, use TYPED_TEST_P() to define as many type-parameterized tests // for this type-parameterized test suite as you want. TYPED_TEST_P(FooTest, DoesBlah) { // Inside a test, refer to TypeParam to get the type parameter. TypeParam n = 0; ... } TYPED_TEST_P(FooTest, HasPropertyA) { ... } // Now the tricky part: you need to register all test patterns before // you can instantiate them. The first argument of the macro is the // test suite name; the rest are the names of the tests in this test // case. REGISTER_TYPED_TEST_SUITE_P(FooTest, DoesBlah, HasPropertyA); // Finally, you are free to instantiate the pattern with the types you // want. If you put the above code in a header file, you can #include // it in multiple C++ source files and instantiate it multiple times. // // To distinguish different instances of the pattern, the first // argument to the INSTANTIATE_* macro is a prefix that will be added // to the actual test suite name. Remember to pick unique prefixes for // different instances. typedef testing::Types MyTypes; INSTANTIATE_TYPED_TEST_SUITE_P(My, FooTest, MyTypes); // If the type list contains only one type, you can write that type // directly without Types<...>: // INSTANTIATE_TYPED_TEST_SUITE_P(My, FooTest, int); // // Similar to the optional argument of TYPED_TEST_SUITE above, // INSTANTIATE_TEST_SUITE_P takes an optional fourth argument which allows to // generate custom names. // INSTANTIATE_TYPED_TEST_SUITE_P(My, FooTest, MyTypes, MyTypeNames); #endif // 0 #include "gtest/internal/gtest-internal.h" #include "gtest/internal/gtest-port.h" #include "gtest/internal/gtest-type-util.h" // Implements typed tests. // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE. // // Expands to the name of the typedef for the type parameters of the // given test suite. #define GTEST_TYPE_PARAMS_(TestSuiteName) gtest_type_params_##TestSuiteName##_ // Expands to the name of the typedef for the NameGenerator, responsible for // creating the suffixes of the name. #define GTEST_NAME_GENERATOR_(TestSuiteName) \ gtest_type_params_##TestSuiteName##_NameGenerator #define TYPED_TEST_SUITE(CaseName, Types, ...) \ typedef ::testing::internal::GenerateTypeList::type \ GTEST_TYPE_PARAMS_(CaseName); \ typedef ::testing::internal::NameGeneratorSelector<__VA_ARGS__>::type \ GTEST_NAME_GENERATOR_(CaseName) #define TYPED_TEST(CaseName, TestName) \ static_assert(sizeof(GTEST_STRINGIFY_(TestName)) > 1, \ "test-name must not be empty"); \ template \ class GTEST_TEST_CLASS_NAME_(CaseName, TestName) \ : public CaseName { \ private: \ typedef CaseName TestFixture; \ typedef gtest_TypeParam_ TypeParam; \ void TestBody() override; \ }; \ static bool gtest_##CaseName##_##TestName##_registered_ \ GTEST_ATTRIBUTE_UNUSED_ = ::testing::internal::TypeParameterizedTest< \ CaseName, \ ::testing::internal::TemplateSel, \ GTEST_TYPE_PARAMS_( \ CaseName)>::Register("", \ ::testing::internal::CodeLocation( \ __FILE__, __LINE__), \ GTEST_STRINGIFY_(CaseName), \ GTEST_STRINGIFY_(TestName), 0, \ ::testing::internal::GenerateNames< \ GTEST_NAME_GENERATOR_(CaseName), \ GTEST_TYPE_PARAMS_(CaseName)>()); \ template \ void GTEST_TEST_CLASS_NAME_(CaseName, \ TestName)::TestBody() // Legacy API is deprecated but still available #ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_ #define TYPED_TEST_CASE \ static_assert(::testing::internal::TypedTestCaseIsDeprecated(), ""); \ TYPED_TEST_SUITE #endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI_ // Implements type-parameterized tests. // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE. // // Expands to the namespace name that the type-parameterized tests for // the given type-parameterized test suite are defined in. The exact // name of the namespace is subject to change without notice. #define GTEST_SUITE_NAMESPACE_(TestSuiteName) gtest_suite_##TestSuiteName##_ // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE. // // Expands to the name of the variable used to remember the names of // the defined tests in the given test suite. #define GTEST_TYPED_TEST_SUITE_P_STATE_(TestSuiteName) \ gtest_typed_test_suite_p_state_##TestSuiteName##_ // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE DIRECTLY. // // Expands to the name of the variable used to remember the names of // the registered tests in the given test suite. #define GTEST_REGISTERED_TEST_NAMES_(TestSuiteName) \ gtest_registered_test_names_##TestSuiteName##_ // The variables defined in the type-parameterized test macros are // static as typically these macros are used in a .h file that can be // #included in multiple translation units linked together. #define TYPED_TEST_SUITE_P(SuiteName) \ static ::testing::internal::TypedTestSuitePState \ GTEST_TYPED_TEST_SUITE_P_STATE_(SuiteName) // Legacy API is deprecated but still available #ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_ #define TYPED_TEST_CASE_P \ static_assert(::testing::internal::TypedTestCase_P_IsDeprecated(), ""); \ TYPED_TEST_SUITE_P #endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI_ #define TYPED_TEST_P(SuiteName, TestName) \ namespace GTEST_SUITE_NAMESPACE_(SuiteName) { \ template \ class TestName : public SuiteName { \ private: \ typedef SuiteName TestFixture; \ typedef gtest_TypeParam_ TypeParam; \ void TestBody() override; \ }; \ static bool gtest_##TestName##_defined_ GTEST_ATTRIBUTE_UNUSED_ = \ GTEST_TYPED_TEST_SUITE_P_STATE_(SuiteName).AddTestName( \ __FILE__, __LINE__, GTEST_STRINGIFY_(SuiteName), \ GTEST_STRINGIFY_(TestName)); \ } \ template \ void GTEST_SUITE_NAMESPACE_( \ SuiteName)::TestName::TestBody() // Note: this won't work correctly if the trailing arguments are macros. #define REGISTER_TYPED_TEST_SUITE_P(SuiteName, ...) \ namespace GTEST_SUITE_NAMESPACE_(SuiteName) { \ typedef ::testing::internal::Templates<__VA_ARGS__> gtest_AllTests_; \ } \ static const char* const GTEST_REGISTERED_TEST_NAMES_( \ SuiteName) GTEST_ATTRIBUTE_UNUSED_ = \ GTEST_TYPED_TEST_SUITE_P_STATE_(SuiteName).VerifyRegisteredTestNames( \ GTEST_STRINGIFY_(SuiteName), __FILE__, __LINE__, #__VA_ARGS__) // Legacy API is deprecated but still available #ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_ #define REGISTER_TYPED_TEST_CASE_P \ static_assert(::testing::internal::RegisterTypedTestCase_P_IsDeprecated(), \ ""); \ REGISTER_TYPED_TEST_SUITE_P #endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI_ #define INSTANTIATE_TYPED_TEST_SUITE_P(Prefix, SuiteName, Types, ...) \ static_assert(sizeof(GTEST_STRINGIFY_(Prefix)) > 1, \ "test-suit-prefix must not be empty"); \ static bool gtest_##Prefix##_##SuiteName GTEST_ATTRIBUTE_UNUSED_ = \ ::testing::internal::TypeParameterizedTestSuite< \ SuiteName, GTEST_SUITE_NAMESPACE_(SuiteName)::gtest_AllTests_, \ ::testing::internal::GenerateTypeList::type>:: \ Register(GTEST_STRINGIFY_(Prefix), \ ::testing::internal::CodeLocation(__FILE__, __LINE__), \ >EST_TYPED_TEST_SUITE_P_STATE_(SuiteName), \ GTEST_STRINGIFY_(SuiteName), \ GTEST_REGISTERED_TEST_NAMES_(SuiteName), \ ::testing::internal::GenerateNames< \ ::testing::internal::NameGeneratorSelector< \ __VA_ARGS__>::type, \ ::testing::internal::GenerateTypeList::type>()) // Legacy API is deprecated but still available #ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_ #define INSTANTIATE_TYPED_TEST_CASE_P \ static_assert( \ ::testing::internal::InstantiateTypedTestCase_P_IsDeprecated(), ""); \ INSTANTIATE_TYPED_TEST_SUITE_P #endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI_ #endif // GOOGLETEST_INCLUDE_GTEST_GTEST_TYPED_TEST_H_