1// 2003-06-02 Paolo Carlini <pcarlini@unitus.it>
2
3// Copyright (C) 2003 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 2, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING.  If not, write to the Free
18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19// USA.
20
21// 27.8.1.4 Overridden virtual functions
22
23#include <fstream>
24#include <testsuite_hooks.h>
25
26const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it
27
28// libstdc++/9761
29void test01()
30{
31  using namespace std;
32  bool test __attribute__((unused)) = true;
33
34  filebuf fbuf;
35  filebuf::int_type r1, r2;
36
37  fbuf.open(name_01, ios_base::in);
38
39  fbuf.sbumpc();
40  fbuf.sbumpc();
41
42  r1 = fbuf.sputbackc('a');
43  r2 = fbuf.sputbackc('b');
44
45  fbuf.close();
46
47  VERIFY( r1 != filebuf::traits_type::eof() );
48  VERIFY( r2 == filebuf::traits_type::eof() );
49}
50
51int main()
52{
53  test01();
54  return 0;
55}
56