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// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>

// Copyright (C) 2001, 2002, 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>

const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it

// libstdc++/9439, libstdc++/9425

// basic_filebuf<>::pbackfail calls basic_filebuf<>::seekoff, but

// fails to check the return value

void test09()

{

  using namespace std;

  bool test __attribute__((unused)) = true;

  filebuf fbuf;

  fbuf.open(name_01, ios_base::in);

  filebuf::int_type r = fbuf.sputbackc('a');

  fbuf.close();

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

}

int main()

{

  test09();

  return 0;

}