File: not_eof.pass.cpp

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//===----------------------------------------------------------------------===//
//
// 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++03, c++11, c++14, c++17

// <string>

// template<> struct char_traits<char8_t>

// static constexpr int_type not_eof(int_type c);

#include <string>
#include <cassert>

#include "test_macros.h"

int main(int, char**)
{
#if defined(__cpp_lib_char8_t) && __cpp_lib_char8_t >= 201811L
    assert(std::char_traits<char8_t>::not_eof(u8'a') == u8'a');
    assert(std::char_traits<char8_t>::not_eof(u8'A') == u8'A');
    assert(std::char_traits<char8_t>::not_eof(0) == 0);
    assert(std::char_traits<char8_t>::not_eof(std::char_traits<char8_t>::eof()) !=
           std::char_traits<char8_t>::eof());
#endif

  return 0;
}