1// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
2
3// Copyright (C) 2001, 2002, 2003, 2009 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// { dg-require-fileio "" }
23
24#include <fstream>
25#include <locale>
26#include <testsuite_hooks.h>
27
28const char name_04[] = "filebuf_virtuals-4.txt"; // empty file, need to create
29
30class Cvt_to_upper : public std::codecvt<char, char, mbstate_t>
31{
32  bool do_always_noconv() const throw()
33  {
34    return false;
35  }
36};
37
38// libstdc++/9169
39// filebuf output fails if codecvt<>::out returns noconv
40void test10()
41{
42  using namespace std;
43  bool test __attribute__((unused)) = true;
44
45  locale c_loc = locale::classic();
46  locale loc(c_loc, new Cvt_to_upper);
47
48  string str("abcdefghijklmnopqrstuvwxyz");
49  string tmp;
50
51  {
52    ofstream out;
53    out.imbue(loc);
54    out.open(name_04);
55    copy(str.begin(), str.end(), ostreambuf_iterator<char>(out));
56  }
57
58  {
59    ifstream in;
60    in.open(name_04);
61    copy(istreambuf_iterator<char>(in), istreambuf_iterator<char>(),
62	 back_inserter(tmp));
63  }
64
65  VERIFY( tmp.size() == str.size() );
66  VERIFY( tmp == str );
67}
68
69int main()
70{
71  test10();
72  return 0;
73}
74