| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 |
| |
| // <string> |
| |
| // template<> struct char_traits<char8_t> |
| |
| // typedef char8_t char_type; |
| // typedef unsigned int int_type; |
| // typedef streamoff off_type; |
| // typedef u16streampos pos_type; |
| // typedef mbstate_t state_type; |
| |
| #include <string> |
| #include <type_traits> |
| #include <cstdint> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| #if defined(__cpp_lib_char8_t) && __cpp_lib_char8_t >= 201811L |
| static_assert((std::is_same<std::char_traits<char8_t>::char_type, char8_t>::value), ""); |
| static_assert((std::is_same<std::char_traits<char8_t>::int_type, unsigned int>::value), ""); |
| static_assert((std::is_same<std::char_traits<char8_t>::off_type, std::streamoff>::value), ""); |
| static_assert((std::is_same<std::char_traits<char8_t>::pos_type, std::u16streampos>::value), ""); |
| static_assert((std::is_same<std::char_traits<char8_t>::state_type, std::mbstate_t>::value), ""); |
| #endif |
| |
| return 0; |
| } |