30 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// <system_error>10 11// class error_category12 13// bool operator<(const error_category& rhs) const;14 15#include <system_error>16#include <cassert>17 18#include "test_macros.h"19 20int main(int, char**)21{22 const std::error_category& e_cat1 = std::generic_category();23 const std::error_category& e_cat2 = std::generic_category();24 const std::error_category& e_cat3 = std::system_category();25 assert(!(e_cat1 < e_cat2) && !(e_cat2 < e_cat1));26 assert((e_cat1 < e_cat3) || (e_cat3 < e_cat1));27 28 return 0;29}30