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 
main()21 int 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