1// 2000-08-17 Benjamin Kosnik <bkoz@cygnus.com>
2
3// Copyright (C) 2000-2015 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// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
21
22#include <locale>
23#include <cstring>
24#include <testsuite_hooks.h>
25
26// Required instantiation, degenerate conversion.
27// codecvt<char, char, mbstate_t>
28void test01()
29{
30  using namespace std;
31  typedef codecvt_base::result			result;
32  typedef codecvt<char, char, mbstate_t> 	c_codecvt;
33
34  bool test __attribute__((unused)) = true;
35  const char* 		c_lit = "black pearl jasmine tea";
36  const char* 	        from_next;
37  int 			size = 23;
38  char* 		c_arr = new char[size];
39  char*                 c_ref = new char[size];
40  char*			to_next;
41
42  locale 		loc = locale::classic();
43  c_codecvt::state_type state;
44  const c_codecvt* 	cvt = &use_facet<c_codecvt>(loc);
45
46  // According to the resolution of DR19 (see also libstd++/9168), in
47  // case of degenerate conversion ('noconv'), "there are no changes to
48  // the values in [to, to_limit)."
49  memset(c_ref, 'X', size);
50
51  // out
52  memset(c_arr, 'X', size);
53  result r2 = cvt->out(state, c_lit, c_lit + size, from_next,
54		       c_arr, c_arr + size, to_next);
55  VERIFY( r2 == codecvt_base::noconv );
56  VERIFY( !memcmp(c_arr, c_ref, size) );
57  VERIFY( from_next == c_lit );
58  VERIFY( to_next == c_arr );
59
60  delete [] c_arr;
61  delete [] c_ref;
62}
63
64int main ()
65{
66  test01();
67  return 0;
68}
69