You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
This repo is archived. You can view files and clone it, but cannot push or open issues/pull-requests.
libcxx_old/test/std/diagnostics/syserr/syserr.errcat/syserr.errcat.derived/message.pass.cpp

38 lines
975 B
C++

//===----------------------------------------------------------------------===//
//
// 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;
}