//===----------------------------------------------------------------------===//
//
// 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<wchar_t>
// static constexpr bool lt(char_type c1, char_type c2);
// UNSUPPORTED: no-wide-characters
#include <string>
#include <cassert>
#include "test_macros.h"
int main(int, char**) {
assert(std::char_traits<wchar_t>::lt(L'\0', L'A') == (L'\0' < L'A'));
assert(std::char_traits<wchar_t>::lt(L'A', L'\0') == (L'A' < L'\0'));
assert(std::char_traits<wchar_t>::lt(L'a', L'a') == (L'a' < L'a'));
assert(std::char_traits<wchar_t>::lt(L'A', L'a') == (L'A' < L'a'));
assert(std::char_traits<wchar_t>::lt(L'a', L'A') == (L'a' < L'A'));
assert(std::char_traits<wchar_t>::lt(L'a', L'z') == (L'a' < L'z'));
assert(std::char_traits<wchar_t>::lt(L'A', L'Z') == (L'A' < L'Z'));
assert(std::char_traits<wchar_t>::lt(L' ', L'A') == (L' ' < L'A'));
assert(std::char_traits<wchar_t>::lt(L'A', L'~') == (L'A' < L'~'));
return 0;
}