1// Copyright (C) 2003, 2009 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 3, 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 COPYING3.  If not see
16// <http://www.gnu.org/licenses/>.
17
18// 27.8.1.4 Overridden virtual functions
19
20#include <fstream>
21#include <testsuite_hooks.h>
22
23// libstdc++/9533
24void test_02()
25{
26  using namespace std;
27  bool test __attribute__((unused)) = true;
28  const char* name = "tmp_file1";
29  const char* strlit = "0123456789";
30
31  filebuf fb;
32
33  int written = 0;
34  fb.open(name, ios_base::out | ios_base::trunc);
35  for (int i = 0; i < BUFSIZ; ++i)
36    written += fb.sputn(strlit, 10);
37  fb.close();
38
39  int read = 0;
40  int n = 0;
41  char buf[10];
42  fb.open(name, ios_base::in);
43  do
44    {
45      n = fb.sgetn(buf, sizeof(buf));
46      read += n;
47    }
48  while (n);
49
50  VERIFY( read == written );
51}
52
53int
54main()
55{
56  test_02();
57  return 0;
58}
59