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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;

}