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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<char16_t>
// static constexpr bool lt(char_type c1, char_type c2);
#include <string>
#include <cassert>
#include "test_macros.h"
int main()
{
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
#if TEST_STD_VER >= 11
assert(!std::char_traits<char16_t>::lt(u'a', u'a'));
assert( std::char_traits<char16_t>::lt(u'A', u'a'));
#endif
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
}
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