//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// template<> struct char_traits<char16_t>
// static char_type* assign(char_type* s, size_t n, char_type a);
#include <string>
#include <cassert>
int main()
{
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
char16_t s1[] = {1, 2, 3};
char16_t s2[3] = {0};
assert(std::char_traits<char16_t>::assign(s2, 3, char16_t(5)) == s2);
assert(s2[0] == char16_t(5));
assert(s2[1] == char16_t(5));
assert(s2[2] == char16_t(5));
assert(std::char_traits<char16_t>::assign(NULL, 0, char16_t(5)) == NULL);
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
}