1// { dg-require-namedlocale "en_US.ISO-8859-1" }
2
3// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
4
5// Copyright (C) 2003-2015 Free Software Foundation, Inc.
6//
7// This file is part of the GNU ISO C++ Library.  This library is free
8// software; you can redistribute it and/or modify it under the
9// terms of the GNU General Public License as published by the
10// Free Software Foundation; either version 3, or (at your option)
11// any later version.
12
13// This library is distributed in the hope that it will be useful,
14// but WITHOUT ANY WARRANTY; without even the implied warranty of
15// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16// GNU General Public License for more details.
17
18// You should have received a copy of the GNU General Public License along
19// with this library; see the file COPYING3.  If not see
20// <http://www.gnu.org/licenses/>.
21
22// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
23
24#include <locale>
25#include <cstring>
26#include <testsuite_hooks.h>
27
28// Need to explicitly set the state(mbstate_t) to zero.
29// How to do this is not specified by the ISO C99 standard, so we
30// might need to add some operators to make the intuiative case
31// work:
32//   w_codecvt::state_type state00;
33//   state00 = 0;
34// or, can use this explicit "C" initialization:
35//   w_codecvt::state_type state01 = {0, 0};
36// .. except Ulrich says: Use memset. Always use memset. Feel the force...
37void
38zero_state(std::mbstate_t& state)
39{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
40
41// Required instantiation
42// codecvt<wchar_t, char, mbstate_t>
43void test03()
44{
45  using namespace std;
46  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
47  typedef codecvt_base::result			result;
48  typedef wchar_t				int_type;
49  typedef char					ext_type;
50  typedef char_traits<char>			ext_traits;
51
52  bool test __attribute__((unused)) = true;
53  const ext_type* 	e_lit = "a";
54  const int_type 	i_lit[] = { L'a', 0x20ac, 0x0 };
55  const int_type*       ifrom_next;
56  int 			size = wcslen(i_lit);
57  ext_type* 		e_arr = new ext_type[size + 1];
58  ext_type* 		e_ref = new ext_type[size + 1];
59  memset(e_arr, 0xf0, size + 1);
60  memset(e_ref, 0xf0, size + 1);
61  ext_type*		eto_next;
62
63  locale loc = locale("en_US.ISO-8859-1");
64  locale::global(loc);
65  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc);
66
67  // out
68  w_codecvt::state_type state02;
69  zero_state(state02);
70  result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next,
71		       e_arr, e_arr + size, eto_next);
72  VERIFY( r2 == codecvt_base::error );
73  VERIFY( ifrom_next == i_lit + 1 );
74  VERIFY( eto_next == e_arr + 1 );
75  VERIFY( !ext_traits::compare(e_arr, e_lit, 1) );
76  VERIFY( !ext_traits::compare(eto_next, e_ref, size) );
77
78  delete [] e_arr;
79  delete [] e_ref;
80}
81
82int main ()
83{
84  test03();
85  return 0;
86}
87