30 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <string>10 11// template<> struct char_traits<char32_t>12 13// static constexpr int_type not_eof(int_type c);14 15#include <string>16#include <cassert>17 18#include "test_macros.h"19 20int main(int, char**) {21#if TEST_STD_VER >= 1122 assert(std::char_traits<char32_t>::not_eof(U'a') == U'a');23 assert(std::char_traits<char32_t>::not_eof(U'A') == U'A');24#endif25 assert(std::char_traits<char32_t>::not_eof(0) == 0);26 assert(std::char_traits<char32_t>::not_eof(std::char_traits<char32_t>::eof()) != std::char_traits<char32_t>::eof());27 28 return 0;29}30