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author | Abseil Team <absl-team@google.com> | 2019-10-09 22:14:17 (GMT) |
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committer | Gennadiy Civil <misterg@google.com> | 2019-10-10 13:21:56 (GMT) |
commit | 20b5b8ecc7a81d23b4716e22a2b35fd53379c8c6 (patch) | |
tree | 112322a7b2b59de35e9c48e17b2b6adfce2b3e2d /googletest/include/gtest/gtest-param-test.h | |
parent | 5395345ca4f0c596110188688ed990e0de5a181c (diff) | |
download | googletest-20b5b8ecc7a81d23b4716e22a2b35fd53379c8c6.zip googletest-20b5b8ecc7a81d23b4716e22a2b35fd53379c8c6.tar.gz googletest-20b5b8ecc7a81d23b4716e22a2b35fd53379c8c6.tar.bz2 |
Googletest export
Add a compile time check to ensure that the parameters to TEST_P and INSTANTIATE_TEST_SUITE_P are not empty. Some compilers already fail in that case and, even where it works, it's likely to result in technically invalid code by virtue of creating reserved identifiers:
https://en.cppreference.com/w/cpp/language/identifiers
PiperOrigin-RevId: 273832263
Diffstat (limited to 'googletest/include/gtest/gtest-param-test.h')
-rw-r--r-- | googletest/include/gtest/gtest-param-test.h | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/googletest/include/gtest/gtest-param-test.h b/googletest/include/gtest/gtest-param-test.h index e1135e9..9989765 100644 --- a/googletest/include/gtest/gtest-param-test.h +++ b/googletest/include/gtest/gtest-param-test.h @@ -58,7 +58,9 @@ class FooTest : public ::testing::TestWithParam<const char*> { // Then, use the TEST_P macro to define as many parameterized tests // for this fixture as you want. The _P suffix is for "parameterized" -// or "pattern", whichever you prefer to think. +// or "pattern", whichever you prefer to think. The arguments to the +// TEST_P macro are the test_suite_name and test_case (both which must be +// non-empty) that will form the test name. TEST_P(FooTest, DoesBlah) { // Inside a test, access the test parameter with the GetParam() method @@ -101,10 +103,10 @@ INSTANTIATE_TEST_SUITE_P(InstantiationName, // To distinguish different instances of the pattern, (yes, you // can instantiate it more than once) the first argument to the -// INSTANTIATE_TEST_SUITE_P macro is a prefix that will be added to the -// actual test suite name. Remember to pick unique prefixes for different -// instantiations. The tests from the instantiation above will have -// these names: +// INSTANTIATE_TEST_SUITE_P macro is a prefix (which must be non-empty) that +// will be added to the actual test suite name. Remember to pick unique prefixes +// for different instantiations. The tests from the instantiation above will +// have these names: // // * InstantiationName/FooTest.DoesBlah/0 for "meeny" // * InstantiationName/FooTest.DoesBlah/1 for "miny" @@ -412,6 +414,10 @@ internal::CartesianProductHolder<Generator...> Combine(const Generator&... g) { } #define TEST_P(test_suite_name, test_name) \ + static_assert(sizeof(GTEST_STRINGIFY_(test_suite_name)) > 1, \ + "test_suite_name must not be empty"); \ + static_assert(sizeof(GTEST_STRINGIFY_(test_name)) > 1, \ + "test_name must not be empty"); \ class GTEST_TEST_CLASS_NAME_(test_suite_name, test_name) \ : public test_suite_name { \ public: \ @@ -458,6 +464,10 @@ internal::CartesianProductHolder<Generator...> Combine(const Generator&... g) { #define GTEST_GET_SECOND_(first, second, ...) second #define INSTANTIATE_TEST_SUITE_P(prefix, test_suite_name, ...) \ + static_assert(sizeof(GTEST_STRINGIFY_(test_suite_name)) > 1, \ + "test_suite_name must not be empty"); \ + static_assert(sizeof(GTEST_STRINGIFY_(prefix)) > 1, \ + "prefix must not be empty"); \ static ::testing::internal::ParamGenerator<test_suite_name::ParamType> \ gtest_##prefix##test_suite_name##_EvalGenerator_() { \ return GTEST_EXPAND_(GTEST_GET_FIRST_(__VA_ARGS__, DUMMY_PARAM_)); \ |