You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
1.0 KiB
C++
42 lines
1.0 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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>
|
|
|
|
// static constexpr void assign(char_type& c1, const char_type& c2);
|
|
|
|
#include <string>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
|
|
#if defined(__cpp_lib_char8_t) && __cpp_lib_char8_t >= 201811L
|
|
constexpr bool test_constexpr()
|
|
{
|
|
char8_t c = u'1';
|
|
std::char_traits<char8_t>::assign(c, u'a');
|
|
return c == u'a';
|
|
}
|
|
|
|
int main(int, char**)
|
|
{
|
|
char8_t c = u8'\0';
|
|
std::char_traits<char8_t>::assign(c, u8'a');
|
|
assert(c == u8'a');
|
|
|
|
static_assert(test_constexpr(), "");
|
|
return 0;
|
|
}
|
|
#else
|
|
int main(int, char**) {
|
|
return 0;
|
|
}
|
|
#endif
|