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// 1999-05-21 bkoz
// 2000-05-21 Benjamin Kosnik <bkoz@redhat.com>
// 2001-01-17 Loren J. Rittle <ljrittle@acm.org>
// Copyright (C) 1999-2015 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/>.
// 27.4.2.4 ios_base static members
// @require@ %-*.tst
// @diff@ %-*.tst %-*.txt
#include <cstdio>
#include <sstream>
#include <iostream>
#include <testsuite_hooks.h>
// N.B. Once we have called sync_with_stdio(false), we can never go back.
void test02()
{
bool test __attribute__((unused)) = true;
std::stringbuf strbuf01;
std::ios ios01(&strbuf01);
// 1: basic invocation
VERIFY( ios01.sync_with_stdio() );
VERIFY( ios01.sync_with_stdio(false) ); //returns previous state
// 2: need to test interleaving of C and C++ io on a file object.
VERIFY( std::cout.good() );
VERIFY( !std::cout.sync_with_stdio(0) );
VERIFY( std::cout.good() );
VERIFY( !std::cout.sync_with_stdio(0) );
VERIFY( std::cout.good() );
}
int main(void)
{
test02();
return 0;
}
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