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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, 2000, 2001, 2003 Free Software Foundation
//
// 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 2, 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 COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
 
// 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;
}