1// Copyright (C) 2003 Free Software Foundation, Inc.
2//
3// This file is part of the GNU ISO C++ Library.  This library is free
4// software; you can redistribute it and/or modify it under the
5// terms of the GNU General Public License as published by the
6// Free Software Foundation; either version 2, or (at your option)
7// any later version.
8
9// This library is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License along
15// with this library; see the file COPYING.  If not, write to the Free
16// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17// USA.
18
19// 27.8.1.4 Overridden virtual functions
20
21#include <fstream>
22#include <testsuite_hooks.h>
23
24// libstdc++/9533
25void test_02()
26{
27  using namespace std;
28  bool test __attribute__((unused)) = true;
29  const char* name = "tmp_file1";
30  const char* strlit = "0123456789";
31
32  filebuf fb;
33
34  int written = 0;
35  fb.open(name, ios_base::out | ios_base::trunc);
36  for (int i = 0; i < BUFSIZ; ++i)
37    written += fb.sputn(strlit, 10);
38  fb.close();
39
40  int read = 0;
41  int n = 0;
42  char buf[10];
43  fb.open(name, ios_base::in);
44  do
45    {
46      n = fb.sgetn(buf, sizeof(buf));
47      read += n;
48    }
49  while (n);
50
51  VERIFY( read == written );
52}
53
54int
55main()
56{
57  test_02();
58  return 0;
59}
60