1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <string> 10 11 // template<> struct char_traits<char16_t> 12 13 // static constexpr bool lt(char_type c1, char_type c2); 14 15 #include <string> 16 #include <cassert> 17 18 #include "test_macros.h" 19 main(int,char **)20int main(int, char**) 21 { 22 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 23 #if TEST_STD_VER >= 11 24 assert(!std::char_traits<char16_t>::lt(u'a', u'a')); 25 assert( std::char_traits<char16_t>::lt(u'A', u'a')); 26 #endif 27 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS 28 29 return 0; 30 } 31