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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>
 
class testbuf : public std::filebuf
{
public:
 
  // Typedefs:
  typedef std::filebuf base_type;
  typedef base_type::traits_type traits_type;
  typedef base_type::char_type char_type;
 
  testbuf(): base_type() 
  { _M_mode = (std::ios_base::in | std::ios_base::out); }
 
  bool
  check_pointers()
  { 
    bool test __attribute__((unused)) = true;
    test = (this->pbase() == NULL);
    test &= (this->pptr() == NULL);
    return test;
  }
};
 
const char name_01[] = "filebuf_virtuals-1.txt";
 
// Test overloaded virtual functions.
void test05() 
{
  using namespace std;
  typedef std::filebuf::int_type 	int_type;
  typedef std::filebuf::traits_type 	traits_type;
  typedef std::filebuf::pos_type 	pos_type;
  typedef std::filebuf::off_type 	off_type;
  typedef size_t 			size_type;
 
  bool test __attribute__((unused)) = true;
 
  {
    testbuf 				f_tmp;
 
    // setbuf
    // pubsetbuf(char_type* s, streamsize n)
    f_tmp.pubsetbuf(0,0);
    VERIFY( f_tmp.check_pointers() );
  }
 
  {
    testbuf 				f_tmp;
 
    f_tmp.open(name_01, ios_base::out | ios_base::in);
    f_tmp.sbumpc();
 
    // setbuf
    // pubsetbuf(char_type* s, streamsize n)
    f_tmp.pubsetbuf(0, 0);
    VERIFY( f_tmp.check_pointers() );
  }
}
 
int main() 
{
  test05();
  return 0;
}