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

// Copyright (C) 2001, 2002, 2003, 2009 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 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/>.

// 27.8.1.4 Overridden virtual functions

#include <fstream>

#include <testsuite_hooks.h>

const char name_05[] = "filebuf_virtuals-5.txt"; // empty file, need to create

bool over_called;

class Derived_filebuf : public std::filebuf

{

public:

  int_type overflow(int_type c)

  {

    over_called = true;

    return std::filebuf::overflow(c);

  }

  const char_type* pub_epptr() const

  { return epptr(); }

  const char_type* pub_pptr() const

  { return pptr(); }

};

// libstdc++/9701 (partial)

void test11()

{

  bool test __attribute__((unused)) = true;

  bool over_expected;

  // sputc

  Derived_filebuf dfbuf_01;

  dfbuf_01.open(name_05, std::ios_base::out);

  over_called = false;

  dfbuf_01.sputc('i');

  VERIFY( over_called );

  over_expected = dfbuf_01.pub_epptr() == dfbuf_01.pub_pptr();

  over_called = false;

  dfbuf_01.sputc('v');

  VERIFY( (!over_expected && !over_called)

          || (over_expected && over_called) );

  dfbuf_01.close();

}

int main()

{

  test11();

  return 0;

}