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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
//
//===----------------------------------------------------------------------===//
// <string>
// template<> struct char_traits<char32_t>
// static char_type* assign(char_type* s, size_t n, char_type a);
#include <string>
#include <cassert>
#include "test_macros.h"
TEST_CONSTEXPR_CXX20 bool test()
{
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
char32_t s2[3] = {0};
assert(std::char_traits<char32_t>::assign(s2, 3, char32_t(5)) == s2);
assert(s2[0] == char32_t(5));
assert(s2[1] == char32_t(5));
assert(s2[2] == char32_t(5));
assert(std::char_traits<char32_t>::assign(NULL, 0, char32_t(5)) == NULL);
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
return true;
}
int main(int, char**)
{
test();
#if TEST_STD_VER > 17
static_assert(test());
#endif
return 0;
}