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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
//
//===----------------------------------------------------------------------===//
// <system_error>
// class error_category
// virtual string message(int ev) const = 0;
#include <system_error>
#include <cassert>
#include <string>
#include <stdio.h>
#include "test_macros.h"
int main(int, char**)
{
const std::error_category& e_cat1 = std::generic_category();
const std::error_category& e_cat2 = std::system_category();
std::string m1 = e_cat1.message(5);
std::string m2 = e_cat2.message(5);
std::string m3 = e_cat2.message(6);
assert(!m1.empty());
assert(!m2.empty());
assert(!m3.empty());
assert(m1 == m2);
assert(m1 != m3);
return 0;
}
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