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-rw-r--r--include/gtest/gtest-param-test.h20
1 files changed, 19 insertions, 1 deletions
diff --git a/include/gtest/gtest-param-test.h b/include/gtest/gtest-param-test.h
index 9a1d8a62..038f9ba7 100644
--- a/include/gtest/gtest-param-test.h
+++ b/include/gtest/gtest-param-test.h
@@ -1406,9 +1406,26 @@ internal::CartesianProductHolder10<Generator1, Generator2, Generator3,
GTEST_TEST_CLASS_NAME_(test_case_name, test_name)::AddToRegistry(); \
void GTEST_TEST_CLASS_NAME_(test_case_name, test_name)::TestBody()
-# define INSTANTIATE_TEST_CASE_P(prefix, test_case_name, generator) \
+// The optional last argument to INSTANTIATE_TEST_CASE_P allows the user
+// to specify a function or functor that generates custom test name suffixes
+// based on the test parameters. The function should accept one argument of
+// type testing::TestParamInfo<class ParamType>, and return std::string.
+//
+// testing::PrintToStringParamName is a builtin test suffix generator that
+// returns the value of testing::PrintToString(GetParam()). It does not work
+// for std::string or C strings.
+//
+// Note: test names must be non-empty, unique, and may only contain ASCII
+// alphanumeric characters or underscore.
+
+# define INSTANTIATE_TEST_CASE_P(prefix, test_case_name, generator, ...) \
::testing::internal::ParamGenerator<test_case_name::ParamType> \
gtest_##prefix##test_case_name##_EvalGenerator_() { return generator; } \
+ ::std::string gtest_##prefix##test_case_name##_EvalGenerateName_( \
+ const ::testing::TestParamInfo<test_case_name::ParamType>& info) { \
+ return ::testing::internal::GetParamNameGen<test_case_name::ParamType> \
+ (__VA_ARGS__)(info); \
+ } \
int gtest_##prefix##test_case_name##_dummy_ GTEST_ATTRIBUTE_UNUSED_ = \
::testing::UnitTest::GetInstance()->parameterized_test_registry(). \
GetTestCasePatternHolder<test_case_name>(\
@@ -1417,6 +1434,7 @@ internal::CartesianProductHolder10<Generator1, Generator2, Generator3,
__FILE__, __LINE__))->AddTestCaseInstantiation(\
#prefix, \
&gtest_##prefix##test_case_name##_EvalGenerator_, \
+ &gtest_##prefix##test_case_name##_EvalGenerateName_, \
__FILE__, __LINE__)
} // namespace testing