1 // 2003-02-06 Petur Runolfsson <peturr02@ru.is>
3 // Copyright (C) 2003 Free Software Foundation
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 2, or (at your option)
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.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING. If not, write to the Free
18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
21 // 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
24 #include <testsuite_hooks.h>
26 // Need to explicitly set the state(mbstate_t) to zero.
27 // How to do this is not specified by the ISO C99 standard, so we
28 // might need to add some operators to make the intuiative case
30 // w_codecvt::state_type state00;
32 // or, can use this explicit "C" initialization:
33 // w_codecvt::state_type state01 = {0, 0};
34 // .. except Ulrich says: Use memset. Always use memset. Feel the force...
36 zero_state(std::mbstate_t& state)
37 { std::memset(&state, 0, sizeof(std::mbstate_t)); }
39 // Required instantiation
40 // codecvt<wchar_t, char, mbstate_t>
44 typedef codecvt<wchar_t, char, mbstate_t> w_codecvt;
45 typedef codecvt_base::result result;
46 typedef wchar_t int_type;
47 typedef char ext_type;
48 typedef char_traits<char> ext_traits;
51 const ext_type* e_lit = "a";
52 const int_type i_lit[] = { L'a', 0x20ac, 0x0 };
53 const int_type* ifrom_next;
54 int size = wcslen(i_lit);
55 ext_type* e_arr = new ext_type[size + 1];
56 ext_type* e_ref = new ext_type[size + 1];
57 memset(e_arr, 0xf0, size + 1);
58 memset(e_ref, 0xf0, size + 1);
61 locale loc = __gnu_cxx_test::try_named_locale("en_US.ISO-8859-1");
63 const w_codecvt* cvt = &use_facet<w_codecvt>(loc);
66 w_codecvt::state_type state02;
68 result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next,
69 e_arr, e_arr + size, eto_next);
70 VERIFY( r2 == codecvt_base::error );
71 VERIFY( ifrom_next == i_lit + 1 );
72 VERIFY( eto_next == e_arr + 1 );
73 VERIFY( !ext_traits::compare(e_arr, e_lit, 1) );
74 VERIFY( !ext_traits::compare(eto_next, e_ref, size) );