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// 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.
 
// 27.8.1.3 filebuf member functions
// @require@ %-*.tst %-*.txt
// @diff@ %-*.tst %-*.txt
 
// various tests for filebuf::open() and filebuf::close() including
// the non-portable functionality in the libstdc++-v3 IO library
 
#include <fstream>
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <ext/stdio_filebuf.h>
#include <testsuite_hooks.h>
 
const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it
 
void test_03()
{
  bool test __attribute__((unused)) = true;
  int first_fd = ::open(name_01, O_RDONLY);
  VERIFY( first_fd != -1 );
  FILE* first_file = ::fdopen(first_fd, "r");
  VERIFY( first_file != NULL );
  __gnu_cxx::stdio_filebuf<char> fb(first_file, std::ios_base::in);
 
  int second_fd = fb.fd();
 
  VERIFY( first_fd == second_fd );
}
 
int
main()
{
  test_03();
  return 0;
}