diff options
Diffstat (limited to 'libcxx/test/std/utilities')
-rw-r--r-- | libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/type_identity.pass.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/type_identity.pass.cpp b/libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/type_identity.pass.cpp new file mode 100644 index 00000000000..079986685a1 --- /dev/null +++ b/libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/type_identity.pass.cpp @@ -0,0 +1,40 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 + +// type_traits + +// type_identity + +#include <type_traits> + +#include "test_macros.h" + +template <class T> +void test_type_identity() +{ + static_assert((std::is_same<typename std::type_identity<T>::type, T>::value), ""); + static_assert((std::is_same< std::type_identity_t<T>, T>::value), ""); +} + +int main() +{ + test_type_identity<void>(); + test_type_identity<int>(); + test_type_identity<const volatile int>(); + test_type_identity<int*>(); + test_type_identity< int[3]>(); + test_type_identity<const int[3]>(); + + test_type_identity<void (*)()>(); + test_type_identity<int(int) const>(); + test_type_identity<int(int) volatile>(); + test_type_identity<int(int) &>(); + test_type_identity<int(int) &&>(); +} |