1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <string>
11
12// template<> struct char_traits<char16_t>
13
14// static constexpr int_type not_eof(int_type c);
15
16#include <string>
17#include <cassert>
18
19#include "test_macros.h"
20
21int main()
22{
23#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
24#if TEST_STD_VER >= 11
25    assert(std::char_traits<char16_t>::not_eof(u'a') == u'a');
26    assert(std::char_traits<char16_t>::not_eof(u'A') == u'A');
27#endif
28    assert(std::char_traits<char16_t>::not_eof(0) == 0);
29    assert(std::char_traits<char16_t>::not_eof(std::char_traits<char16_t>::eof()) !=
30           std::char_traits<char16_t>::eof());
31#endif  // _LIBCPP_HAS_NO_UNICODE_CHARS
32}
33