1// { dg-require-namedlocale "" }
2
3// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
4
5// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009 Free Software Foundation
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 test02()
44{
45  using namespace std;
46  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
47  typedef char					ext_type;
48
49  bool test __attribute__((unused)) = true;
50  const ext_type* 	e_lit =
51    "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
52    "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
53    "'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
54    "abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86"
55    "\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95"
56    "\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4"
57    "\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3"
58    "\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2"
59    "\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1"
60    "\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0"
61    "\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
62    "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe"
63    "\xff";
64  int 			size = strlen(e_lit);
65
66  locale  loc = locale("en_US.ISO-8859-1");
67  locale::global(loc);
68  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc);
69
70  w_codecvt::state_type state01;
71  zero_state(state01);
72  int i = cvt->length(state01, e_lit, e_lit + size, 5);
73  VERIFY( i == 5 );
74
75  w_codecvt::state_type state02;
76  zero_state(state02);
77  int j = cvt->length(state02, e_lit, e_lit + size, size);
78  VERIFY( j == size );
79
80  w_codecvt::state_type state03;
81  zero_state(state03);
82  int k = cvt->length(state03, e_lit, e_lit + size, size * 2);
83  VERIFY( k == size );
84}
85
86int main ()
87{
88  test02();
89  return 0;
90}
91