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// Copyright (C) 2003 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 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.

// 27.8.1.4 Overridden virtual functions

#include <fstream>

#include <testsuite_hooks.h>

void test01()

{

  using namespace std;

  bool test __attribute__((unused)) = true;

  const char* name = "tmp_sync_1";

  filebuf fb;

  fb.open(name, ios_base::in | ios_base::out | ios_base::trunc);

  fb.sputn("abc", 3);

  fb.pubseekoff(0, ios_base::beg);

  fb.sputc('1');

  // Sync can't be used to switch from write mode to read mode.

  fb.pubsync();

  filebuf::int_type c = fb.sbumpc();

  VERIFY( c == filebuf::traits_type::eof() );

  fb.close();

}

int main()

{

  test01();

  return 0;

}