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// Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation
//
// 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.
 
#include <cstdio>
#include <fstream>
#include <ext/stdio_filebuf.h>
#include <testsuite_hooks.h>
 
void test1()
{
  using namespace std;
  bool test __attribute__((unused)) = true;
 
  FILE* file = fopen("tmp_10063-1", "w");
  putc('0', file);
  putc('1', file);
  {
    __gnu_cxx::stdio_filebuf<char> sbuf(file, ios_base::out);
    sbuf.sputc('2');
    sbuf.sputc('3');
  }
  putc('4', file);	
  fclose(file);
 
  filebuf fbuf;
  fbuf.open("tmp_10063-1", ios_base::in);	
  char buf[10];
  streamsize n = fbuf.sgetn(buf, sizeof(buf));		
  fbuf.close();
 
  VERIFY(n == 5);
  VERIFY(!memcmp(buf, "01234", 5)); 
}
 
int main()
{
  test1();
  return 0;
}