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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/19_diagnostics/system_error/what-4.cc
1 // { dg-options "-std=gnu++11" }
3 // Copyright (C) 2007-2016 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
20 // 19.1 Exception classes
23 #include <system_error>
24 #include <testsuite_hooks.h>
26 // Make sure each invocation of what() doesn't grow the message.
29 bool test
__attribute__((unused
)) = true;
30 std::string
s("after nine thirty, this request cannot be met");
32 std::system_error obj
=
33 std::system_error(std::make_error_code(std::errc::invalid_argument
), s
);
34 std::string
s1(obj
.what());
35 std::string
s2(obj
.what());