1// 2000-08-17 Benjamin Kosnik <bkoz@cygnus.com>
2
3// Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009
4// Free Software Foundation
5//
6// This file is part of the GNU ISO C++ Library.  This library is free
7// software; you can redistribute it and/or modify it under the
8// terms of the GNU General Public License as published by the
9// Free Software Foundation; either version 3, or (at your option)
10// any later version.
11
12// This library is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16
17// You should have received a copy of the GNU General Public License along
18// with this library; see the file COPYING3.  If not see
19// <http://www.gnu.org/licenses/>.
20
21// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
22
23#include <locale>
24#include <cstring>
25#include <testsuite_hooks.h>
26
27// Required instantiation, degenerate conversion.
28// codecvt<char, char, mbstate_t>
29void test01()
30{
31  using namespace std;
32  typedef codecvt_base::result			result;
33  typedef codecvt<char, char, mbstate_t> 	c_codecvt;
34
35  bool test __attribute__((unused)) = true;
36  const char* 		c_lit = "black pearl jasmine tea";
37  const char* 	        from_next;
38  int 			size = 23;
39  char* 		c_arr = new char[size];
40  char*                 c_ref = new char[size];
41  char*			to_next;
42
43  locale 		loc = locale::classic();
44  c_codecvt::state_type state;
45  const c_codecvt* 	cvt = &use_facet<c_codecvt>(loc);
46
47  // According to the resolution of DR19 (see also libstd++/9168), in
48  // case of degenerate conversion ('noconv'), "there are no changes to
49  // the values in [to, to_limit)."
50  memset(c_ref, 'X', size);
51
52  // in
53  memset(c_arr, 'X', size);
54  result r1 = cvt->in(state, c_lit, c_lit + size, from_next,
55		      c_arr, c_arr + size, to_next);
56  VERIFY( r1 == codecvt_base::noconv );
57  VERIFY( !memcmp(c_arr, c_ref, size) );
58  VERIFY( from_next == c_lit );
59  VERIFY( to_next == c_arr );
60
61  delete [] c_arr;
62  delete [] c_ref;
63}
64
65int main ()
66{
67  test01();
68  return 0;
69}
70