1// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
2
3// Copyright (C) 2003 Free Software Foundation
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// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
22
23#include <locale>
24#include <testsuite_hooks.h>
25
26bool length_called = false;
27
28class length_codecvt : public std::codecvt<char, char, std::mbstate_t>
29{
30  typedef std::codecvt<char, char, std::mbstate_t> c_codecvt;
31
32public:
33  // DR75: type of first argument of do_length is state_type&
34  virtual int do_length(state_type& state, const extern_type* from,
35                        const extern_type* end, std::size_t max) const
36  {
37    length_called = true;
38    return c_codecvt::do_length(state, from, end, max);
39  }
40};
41
42// Required instantiation, degenerate conversion.
43// codecvt<char, char, mbstate_t>
44//
45// libstdc++/9224
46void test02()
47{
48  using namespace std;
49  typedef codecvt_base::result			result;
50  typedef codecvt<char, char, mbstate_t> 	c_codecvt;
51
52  bool test __attribute__((unused)) = true;
53  const char* 		c_lit = "black pearl jasmine tea";
54  int 			size = 25;
55
56  locale 		loc (locale::classic(), new length_codecvt);
57  c_codecvt::state_type state;
58  const c_codecvt* 	cvt = &use_facet<c_codecvt>(loc);
59
60  length_called = false;
61  cvt->length(state, c_lit, c_lit + size, 5);
62  VERIFY( length_called );
63}
64
65int main ()
66{
67  test02();
68  return 0;
69}
70