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// 2003-06-10  Paolo Carlini  <pcarlini@unitus.it>

// 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>

const char name_08[] = "filebuf_virtuals-8.txt"; // empty file, need to create

class OverBuf : public std::filebuf

{

public:

  int_type pub_overflow(int_type c = traits_type::eof())

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

};

// According to 27.5.2.4.5 filebuf::overflow() returns not_eof(eof()).

void test01()

{

  using namespace std;

  bool test __attribute__((unused)) = true;

  typedef OverBuf::traits_type  traits_type;

  OverBuf fb;

  fb.pubsetbuf(0, 0);

  fb.open(name_08, ios_base::out | ios_base::trunc);

  VERIFY( fb.pub_overflow() == traits_type::not_eof(traits_type::eof()) );

  fb.close();

}

int main()

{

  test01();

  return 0;

}