blob: 017d0e7acce4f3972916c61255dcab996f11fe01 [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// <string>
// template<> struct char_traits<char16_t>
// static void assign(char_type& c1, const char_type& c2);
// constexpr in C++17
#include <string>
#include <cassert>
#include "test_macros.h"
#if TEST_STD_VER > 14
constexpr bool test_constexpr()
{
char16_t c = u'1';
std::char_traits<char16_t>::assign(c, u'a');
return c == u'a';
}
#endif
int main(int, char**)
{
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
#if TEST_STD_VER >= 11
char16_t c = u'\0';
std::char_traits<char16_t>::assign(c, u'a');
assert(c == u'a');
#endif
#if TEST_STD_VER > 14
static_assert(test_constexpr(), "" );
#endif
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
return 0;
}