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// 2003-02-06 Paolo Carlini <pcarlini@unitus.it>
// Copyright (C) 2003, 2005, 2009 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 27.6.2.3 class basic_ostream::sentry
#include <ostream>
#include <sstream>
#include <testsuite_hooks.h>
// libstdc++/9563
struct buf : std::streambuf
{
std::ios *io_;
buf(std::ios *io)
: io_(io) { }
virtual int
sync()
{
io_->setstate (std::ios::failbit);
return 0;
}
};
void
test02()
{
bool test __attribute__((unused)) = true;
buf b(0);
std::ostream strm(&b);
buf tb(&strm);
std::ostream tied(&tb);
strm.tie(&tied);
std::ostream::sentry s(strm);
VERIFY( !s );
}
int main()
{
test02();
return 0;
}
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