1// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
2
3// Copyright (C) 2001-2015 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 3, 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 COPYING3.  If not see
18// <http://www.gnu.org/licenses/>.
19
20// 27.8.1.4 Overridden virtual functions
21
22#include <fstream>
23#include <testsuite_hooks.h>
24
25const char name_05[] = "filebuf_virtuals-5.txt"; // empty file, need to create
26
27bool over_called;
28
29class Derived_filebuf : public std::filebuf
30{
31public:
32  int_type overflow(int_type c)
33  {
34    over_called = true;
35    return std::filebuf::overflow(c);
36  }
37
38  const char_type* pub_epptr() const
39  {
40    return epptr();
41  }
42
43  const char_type* pub_pptr() const
44  {
45    return pptr();
46  }
47};
48
49// libstdc++/9701 (partial)
50void test11()
51{
52  bool test __attribute__((unused)) = true;
53
54  bool over_expected;
55
56  // sputn
57  Derived_filebuf dfbuf_02;
58  dfbuf_02.open(name_05, std::ios_base::out);
59  over_called = false;
60  dfbuf_02.sputn("sonne's", 7);
61  VERIFY( over_called );
62  over_expected = dfbuf_02.pub_epptr() == dfbuf_02.pub_pptr();
63  over_called = false;
64  dfbuf_02.sputn(" peak", 5);
65  VERIFY( (!over_expected && !over_called)
66	  || (over_expected && over_called) );
67  dfbuf_02.close();
68}
69
70int main()
71{
72  test11();
73  return 0;
74}
75