1 // { dg-require-namedlocale "" }
3 // 2003-02-06 Petur Runolfsson <peturr02@ru.is>
5 // Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation
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 2, or (at your option)
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.
18 // You should have received a copy of the GNU General Public License along
19 // with this library; see the file COPYING. If not, write to the Free
20 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
23 // 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
27 #include <testsuite_hooks.h>
29 // Need to explicitly set the state(mbstate_t) to zero.
30 // How to do this is not specified by the ISO C99 standard, so we
31 // might need to add some operators to make the intuiative case
33 // w_codecvt::state_type state00;
35 // or, can use this explicit "C" initialization:
36 // w_codecvt::state_type state01 = {0, 0};
37 // .. except Ulrich says: Use memset. Always use memset. Feel the force...
39 zero_state(std::mbstate_t& state)
40 { std::memset(&state, 0, sizeof(std::mbstate_t)); }
42 // Required instantiation
43 // codecvt<wchar_t, char, mbstate_t>
47 typedef codecvt<wchar_t, char, mbstate_t> w_codecvt;
48 typedef codecvt_base::result result;
49 typedef wchar_t int_type;
50 typedef char ext_type;
51 typedef char_traits<char> ext_traits;
53 bool test __attribute__((unused)) = true;
54 const ext_type* e_lit = "a";
55 const int_type i_lit[] = { L'a', 0x20ac, 0x0 };
56 const int_type* ifrom_next;
57 int size = wcslen(i_lit);
58 ext_type* e_arr = new ext_type[size + 1];
59 ext_type* e_ref = new ext_type[size + 1];
60 memset(e_arr, 0xf0, size + 1);
61 memset(e_ref, 0xf0, size + 1);
64 locale loc = locale("en_US.ISO-8859-1");
66 const w_codecvt* cvt = &use_facet<w_codecvt>(loc);
69 w_codecvt::state_type state02;
71 result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next,
72 e_arr, e_arr + size, eto_next);
73 VERIFY( r2 == codecvt_base::error );
74 VERIFY( ifrom_next == i_lit + 1 );
75 VERIFY( eto_next == e_arr + 1 );
76 VERIFY( !ext_traits::compare(e_arr, e_lit, 1) );
77 VERIFY( !ext_traits::compare(eto_next, e_ref, size) );