1// 2003-05-03  Petur Runolfsson  <peturr02@ru.is>
2
3// Copyright (C) 2003-2015 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 <locale>
23#include <fstream>
24#include <cctype>
25#include <testsuite_hooks.h>
26
27class Cvt_to_upper : public std::codecvt<char, char, std::mbstate_t>
28{
29  typedef std::codecvt<char, char, std::mbstate_t> Base;
30
31public:
32  explicit Cvt_to_upper(std::size_t refs = 0)
33  : Base(refs)
34  { }
35
36protected:
37  virtual result
38  do_in(state_type&,
39	const extern_type* from, const extern_type* from_end,
40	const extern_type*& from_next,
41	intern_type* to, intern_type* to_end,
42	intern_type*& to_next) const
43  {
44    while (from < from_end && to < to_end)
45      *to++ = std::toupper(*from++);
46
47    to_next = to;
48    from_next = from;
49    return from == from_end ? ok : partial;
50  }
51
52  virtual bool
53  do_always_noconv() const throw()
54  {
55    return false;
56  }
57};
58
59// libstdc++/9027
60void test01()
61{
62  using namespace std;
63
64  bool test __attribute__((unused)) = true;
65  const char* name = "filebuf_virtuals-1.txt";
66  locale loc (locale::classic(), new Cvt_to_upper);
67
68  filebuf fbin;
69  fbin.pubimbue(loc);
70  fbin.open(name, ios_base::in);
71
72  int c;
73  while ((c = fbin.sbumpc()) != EOF)
74    {
75      VERIFY( !islower(c) );
76    }
77
78  fbin.close();
79}
80
81int main()
82{
83  test01();
84  return 0;
85}
86