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Merge 78b4e9b8bb into 52204f78f9

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Hannes Vogt 2025-03-29 21:57:50 +00:00 • committed by GitHub
commit c976c2466b
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2 changed files with 25 additions and 1 deletions
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13
googletest/include/gtest/internal/gtest-type-util.h
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@ -184,11 +184,22 @@ struct Types<Head_> {
using Tail = None;
};
// Helper metafunction to convert an empty ::testing::Types list to None
template <typename... Ts>
struct types_or_none {
using type = Types<Ts...>;
};
template <>
struct types_or_none<> {
using type = None;
};
// Helper metafunctions to tell apart a single type from types
// generated by ::testing::Types
template <typename... Ts>
struct ProxyTypeList {
using type = Types<Ts...>;
using type = typename types_or_none<Ts...>::type;
};
template <typename>

13
googletest/test/gtest-typed-test_test.cc
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@ -144,6 +144,19 @@ TYPED_TEST_SUITE(TypedTest2, Types<int>);
// share the same name.
TYPED_TEST(TypedTest2, A) {}
template <typename T>
class TypedTest3 : public Test {
};
// Verifies that an empty Types<> type list works.
// This is useful in case Types<> is constructed conditionally, e.g.
// `my_types = typename std::conditional<have_types, some_types, Types<>>::type;`
TYPED_TEST_SUITE(TypedTest3, Types<>);
TYPED_TEST(TypedTest3, A) {
ASSERT_TRUE(false); // Make sure this test is never executed.
}
// Tests that a typed test case can be defined in a namespace.
namespace library1 {