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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_06[] = "filebuf_virtuals-6.txt"; // empty file, need to create

// libstdc++/9825

// filebuf::sputbackc breaks sbumpc

void test12()

{

  using namespace std;

  bool test __attribute__((unused)) = true;

  filebuf fbuf;

  fbuf.open(name_06, ios_base::in|ios_base::out|ios_base::trunc);

  fbuf.sputn("crazy bees!", 11);

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

  fbuf.sbumpc();

  fbuf.sputbackc('x');

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

  VERIFY( c == 'x' );

  c = fbuf.sbumpc();

  VERIFY( c == 'r' );

  c = fbuf.sbumpc();

  VERIFY( c == 'a' );

  fbuf.close();

}

int main()

{

  test12();

  return 0;

}