36 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// <string>10 11// template<> struct char_traits<char>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 20int main(int, char**) {21 assert(std::char_traits<char>::lt('\0', 'A') == ('\0' < 'A'));22 assert(std::char_traits<char>::lt('A', '\0') == ('A' < '\0'));23 24 assert(std::char_traits<char>::lt('a', 'a') == ('a' < 'a'));25 assert(std::char_traits<char>::lt('A', 'a') == ('A' < 'a'));26 assert(std::char_traits<char>::lt('a', 'A') == ('a' < 'A'));27 28 assert(std::char_traits<char>::lt('a', 'z') == ('a' < 'z'));29 assert(std::char_traits<char>::lt('A', 'Z') == ('A' < 'Z'));30 31 assert(std::char_traits<char>::lt(' ', 'A') == (' ' < 'A'));32 assert(std::char_traits<char>::lt('A', '~') == ('A' < '~'));33 34 return 0;35}36