1// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
2
3// Copyright (C) 2001, 2002, 2003, 2004 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 <locale>
25#include <testsuite_hooks.h>
26
27const char name_07[] = "filebuf_virtuals-7.txt"; // empty file, need to create
28
29class errorcvt : public std::codecvt<char, char, mbstate_t>
30{
31protected:
32  std::codecvt_base::result
33  do_out(mbstate_t&, const char* from, const char*,
34	 const char*& from_next, char* to, char*,
35	 char*& to_next) const
36  {
37    from_next = from;
38    to_next = to;
39    return std::codecvt<char, char, mbstate_t>::error;
40  }
41
42  virtual bool do_always_noconv() const throw()
43  {
44    return false;
45  }
46};
47
48// libstdc++/9182
49// basic_filebuf<>::sync and overflow do not write out any characters
50// if codecvt<>::out returns error
51void test13()
52{
53  using namespace std;
54  bool test __attribute__((unused)) = true;
55
56  locale loc =  locale::classic();
57  loc = locale(loc, new errorcvt);
58
59  filebuf fbuf1;
60  fbuf1.pubimbue(loc);
61  fbuf1.open(name_07, ios_base::out | ios_base::trunc);
62
63  try
64    {
65      fbuf1.sputn("ison", 4);
66      fbuf1.pubsync();
67      VERIFY( false );
68    }
69  catch (std::exception&)
70    {
71    }
72}
73
74int main()
75{
76  test13();
77  return 0;
78}
79