diff options
Diffstat (limited to 'googletest/include/gtest/gtest-param-test.h')
| -rw-r--r-- | googletest/include/gtest/gtest-param-test.h | 125 |
1 files changed, 82 insertions, 43 deletions
diff --git a/googletest/include/gtest/gtest-param-test.h b/googletest/include/gtest/gtest-param-test.h index 804e7028..49a47ead 100644 --- a/googletest/include/gtest/gtest-param-test.h +++ b/googletest/include/gtest/gtest-param-test.h @@ -26,11 +26,14 @@ // 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. -// + // Macros and functions for implementing parameterized tests // in Google C++ Testing and Mocking Framework (Google Test) -// -// GOOGLETEST_CM0001 DO NOT DELETE + +// IWYU pragma: private, include "gtest/gtest.h" +// IWYU pragma: friend gtest/.* +// IWYU pragma: friend gmock/.* + #ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_PARAM_TEST_H_ #define GOOGLETEST_INCLUDE_GTEST_GTEST_PARAM_TEST_H_ @@ -353,9 +356,7 @@ internal::ValueArray<T...> Values(T... v) { // } // INSTANTIATE_TEST_SUITE_P(BoolSequence, FlagDependentTest, Bool()); // -inline internal::ParamGenerator<bool> Bool() { - return Values(false, true); -} +inline internal::ParamGenerator<bool> Bool() { return Values(false, true); } // Combine() allows the user to combine two or more sequences to produce // values of a Cartesian product of those sequences' elements. @@ -406,9 +407,50 @@ internal::CartesianProductHolder<Generator...> Combine(const Generator&... g) { return internal::CartesianProductHolder<Generator...>(g...); } +// ConvertGenerator() wraps a parameter generator in order to cast each produced +// value through a known type before supplying it to the test suite +// +// Synopsis: +// ConvertGenerator<T>(gen) +// - returns a generator producing the same elements as generated by gen, but +// each element is static_cast to type T before being returned +// +// It is useful when using the Combine() function to get the generated +// parameters in a custom type instead of std::tuple +// +// Example: +// +// This will instantiate tests in test suite AnimalTest each one with +// the parameter values tuple("cat", BLACK), tuple("cat", WHITE), +// tuple("dog", BLACK), and tuple("dog", WHITE): +// +// enum Color { BLACK, GRAY, WHITE }; +// struct ParamType { +// using TupleT = std::tuple<const char*, Color>; +// std::string animal; +// Color color; +// ParamType(TupleT t) : animal(std::get<0>(t)), color(std::get<1>(t)) {} +// }; +// class AnimalTest +// : public testing::TestWithParam<ParamType> {...}; +// +// TEST_P(AnimalTest, AnimalLooksNice) {...} +// +// INSTANTIATE_TEST_SUITE_P(AnimalVariations, AnimalTest, +// ConvertGenerator<ParamType::TupleT>( +// Combine(Values("cat", "dog"), +// Values(BLACK, WHITE)))); +// +template <typename T> +internal::ParamConverterGenerator<T> ConvertGenerator( + internal::ParamGenerator<T> gen) { + return internal::ParamConverterGenerator<T>(gen); +} + #define TEST_P(test_suite_name, test_name) \ class GTEST_TEST_CLASS_NAME_(test_suite_name, test_name) \ - : public test_suite_name { \ + : public test_suite_name, \ + private ::testing::internal::GTestNonCopyable { \ public: \ GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)() {} \ void TestBody() override; \ @@ -428,8 +470,6 @@ internal::CartesianProductHolder<Generator...> Combine(const Generator&... g) { return 0; \ } \ static int gtest_registering_dummy_ GTEST_ATTRIBUTE_UNUSED_; \ - GTEST_DISALLOW_COPY_AND_ASSIGN_(GTEST_TEST_CLASS_NAME_(test_suite_name, \ - test_name)); \ }; \ int GTEST_TEST_CLASS_NAME_(test_suite_name, \ test_name)::gtest_registering_dummy_ = \ @@ -453,43 +493,42 @@ internal::CartesianProductHolder<Generator...> Combine(const Generator&... g) { #define GTEST_GET_FIRST_(first, ...) first #define GTEST_GET_SECOND_(first, second, ...) second -#define INSTANTIATE_TEST_SUITE_P(prefix, test_suite_name, ...) \ - static ::testing::internal::ParamGenerator<test_suite_name::ParamType> \ - gtest_##prefix##test_suite_name##_EvalGenerator_() { \ - return GTEST_EXPAND_(GTEST_GET_FIRST_(__VA_ARGS__, DUMMY_PARAM_)); \ - } \ - static ::std::string gtest_##prefix##test_suite_name##_EvalGenerateName_( \ - const ::testing::TestParamInfo<test_suite_name::ParamType>& info) { \ - if (::testing::internal::AlwaysFalse()) { \ - ::testing::internal::TestNotEmpty(GTEST_EXPAND_(GTEST_GET_SECOND_( \ - __VA_ARGS__, \ - ::testing::internal::DefaultParamName<test_suite_name::ParamType>, \ - DUMMY_PARAM_))); \ - auto t = std::make_tuple(__VA_ARGS__); \ - static_assert(std::tuple_size<decltype(t)>::value <= 2, \ - "Too Many Args!"); \ - } \ - return ((GTEST_EXPAND_(GTEST_GET_SECOND_( \ - __VA_ARGS__, \ - ::testing::internal::DefaultParamName<test_suite_name::ParamType>, \ - DUMMY_PARAM_))))(info); \ - } \ - static int gtest_##prefix##test_suite_name##_dummy_ \ - GTEST_ATTRIBUTE_UNUSED_ = \ - ::testing::UnitTest::GetInstance() \ - ->parameterized_test_registry() \ - .GetTestSuitePatternHolder<test_suite_name>( \ - GTEST_STRINGIFY_(test_suite_name), \ - ::testing::internal::CodeLocation(__FILE__, __LINE__)) \ - ->AddTestSuiteInstantiation( \ - GTEST_STRINGIFY_(prefix), \ - >est_##prefix##test_suite_name##_EvalGenerator_, \ - >est_##prefix##test_suite_name##_EvalGenerateName_, \ +#define INSTANTIATE_TEST_SUITE_P(prefix, test_suite_name, ...) \ + static ::testing::internal::ParamGenerator<test_suite_name::ParamType> \ + gtest_##prefix##test_suite_name##_EvalGenerator_() { \ + return GTEST_EXPAND_(GTEST_GET_FIRST_(__VA_ARGS__, DUMMY_PARAM_)); \ + } \ + static ::std::string gtest_##prefix##test_suite_name##_EvalGenerateName_( \ + const ::testing::TestParamInfo<test_suite_name::ParamType>& info) { \ + if (::testing::internal::AlwaysFalse()) { \ + ::testing::internal::TestNotEmpty(GTEST_EXPAND_(GTEST_GET_SECOND_( \ + __VA_ARGS__, \ + ::testing::internal::DefaultParamName<test_suite_name::ParamType>, \ + DUMMY_PARAM_))); \ + auto t = std::make_tuple(__VA_ARGS__); \ + static_assert(std::tuple_size<decltype(t)>::value <= 2, \ + "Too Many Args!"); \ + } \ + return ((GTEST_EXPAND_(GTEST_GET_SECOND_( \ + __VA_ARGS__, \ + ::testing::internal::DefaultParamName<test_suite_name::ParamType>, \ + DUMMY_PARAM_))))(info); \ + } \ + static int gtest_##prefix##test_suite_name##_dummy_ \ + GTEST_ATTRIBUTE_UNUSED_ = \ + ::testing::UnitTest::GetInstance() \ + ->parameterized_test_registry() \ + .GetTestSuitePatternHolder<test_suite_name>( \ + GTEST_STRINGIFY_(test_suite_name), \ + ::testing::internal::CodeLocation(__FILE__, __LINE__)) \ + ->AddTestSuiteInstantiation( \ + GTEST_STRINGIFY_(prefix), \ + >est_##prefix##test_suite_name##_EvalGenerator_, \ + >est_##prefix##test_suite_name##_EvalGenerateName_, \ __FILE__, __LINE__) - // Allow Marking a Parameterized test class as not needing to be instantiated. -#define GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(T) \ +#define GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(T) \ namespace gtest_do_not_use_outside_namespace_scope {} \ static const ::testing::internal::MarkAsIgnored gtest_allow_ignore_##T( \ GTEST_STRINGIFY_(T)) |