1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 10 11 // <string> 12 13 // template<> struct char_traits<char8_t> 14 15 // static constexpr int_type not_eof(int_type c); 16 17 #include <string> 18 #include <cassert> 19 20 #include "test_macros.h" 21 main()22int main() 23 { 24 #if defined(__cpp_lib_char8_t) && __cpp_lib_char8_t >= 201811L 25 assert(std::char_traits<char8_t>::not_eof(u8'a') == u8'a'); 26 assert(std::char_traits<char8_t>::not_eof(u8'A') == u8'A'); 27 assert(std::char_traits<char8_t>::not_eof(0) == 0); 28 assert(std::char_traits<char8_t>::not_eof(std::char_traits<char8_t>::eof()) != 29 std::char_traits<char8_t>::eof()); 30 #endif 31 } 32