1 // 2000-08-17 Benjamin Kosnik <bkoz@cygnus.com>
3 // Copyright (C) 2000, 2002, 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<wchar_t> int_traits;
49 typedef char_traits<char> ext_traits;
52 const ext_type* e_lit = "black pearl jasmine tea";
53 const ext_type* efrom_next;
54 const int_type* i_lit = L"black pearl jasmine tea";
55 const int_type* ifrom_next;
56 int size = strlen(e_lit);
57 ext_type* e_arr = new ext_type[size + 1];
59 int_type* i_arr = new int_type[size + 1];
63 const w_codecvt* cvt = &use_facet<w_codecvt>(loc);
66 w_codecvt::state_type state01;
68 result r1 = cvt->in(state01, e_lit, e_lit + size, efrom_next,
69 i_arr, i_arr + size, ito_next);
70 VERIFY( r1 == codecvt_base::ok );
71 VERIFY( !int_traits::compare(i_arr, i_lit, size) );
72 VERIFY( efrom_next == e_lit + size );
73 VERIFY( ito_next == i_arr + size );