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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, 2009 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 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;

}