1// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
2
3// Copyright (C) 2001, 2002, 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 <locale>
25#include <testsuite_hooks.h>
26
27const char name_04[] = "filebuf_virtuals-4.txt"; // empty file, need to create
28
29class Cvt_to_upper : public std::codecvt<char, char, mbstate_t>
30{
31  bool do_always_noconv() const throw()
32  {
33    return false;
34  }
35};
36
37// libstdc++/9169
38// filebuf output fails if codecvt<>::out returns noconv
39void test10()
40{
41  using namespace std;
42  bool test __attribute__((unused)) = true;
43
44  locale c_loc = locale::classic();
45  locale loc(c_loc, new Cvt_to_upper);
46
47  string str("abcdefghijklmnopqrstuvwxyz");
48  string tmp;
49
50  {
51    ofstream out;
52    out.imbue(loc);
53    out.open(name_04);
54    copy(str.begin(), str.end(), ostreambuf_iterator<char>(out));
55  }
56
57  {
58    ifstream in;
59    in.open(name_04);
60    copy(istreambuf_iterator<char>(in), istreambuf_iterator<char>(),
61	 back_inserter(tmp));
62  }
63
64  VERIFY( tmp.size() == str.size() );
65  VERIFY( tmp == str );
66}
67
68int main()
69{
70  test10();
71  return 0;
72}
73