33 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// UNSUPPORTED: no-localization10 11// <system_error>12 13// class error_code14 15// template <class charT, class traits>16// basic_ostream<charT,traits>&17// operator<<(basic_ostream<charT,traits>& os, const error_code& ec);18 19#include <system_error>20#include <sstream>21#include <cassert>22 23#include "test_macros.h"24 25int main(int, char**)26{27 std::ostringstream out;28 out << std::error_code(std::io_errc::stream);29 assert(out.str() == "iostream:1");30 31 return 0;32}33