1 // { dg-require-namedlocale "" }
3 // 2003-02-06 Petur Runolfsson <peturr02@ru.is>
5 // Copyright (C) 2003, 2005 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]
26 #include <testsuite_hooks.h>
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
32 // w_codecvt::state_type state00;
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...
38 zero_state(std::mbstate_t& state
)
39 { std::memset(&state
, 0, sizeof(std::mbstate_t)); }
41 // Required instantiation
42 // codecvt<wchar_t, char, mbstate_t>
44 // Test handling of illegal input sequence in UTF-8.
48 typedef codecvt
<wchar_t, char, mbstate_t> w_codecvt
;
49 typedef codecvt_base::result result
;
50 typedef wchar_t int_type
;
51 typedef char ext_type
;
52 typedef char_traits
<wchar_t> int_traits
;
54 bool test
__attribute__((unused
)) = true;
55 const ext_type
* e_lit
= "a\xc0\xff";
56 const ext_type
* efrom_next
;
57 const int_type
* i_lit
= L
"a";
58 int size
= strlen(e_lit
);
59 int_type
* i_arr
= new int_type
[size
+ 1];
60 int_type
* i_ref
= new int_type
[size
+ 1];
61 wmemset(i_arr
, 0xdeadbeef, size
+ 1);
62 wmemset(i_ref
, 0xdeadbeef, size
+ 1);
65 locale loc
= locale("en_US.UTF-8");
67 const w_codecvt
* cvt
= &use_facet
<w_codecvt
>(loc
);
70 w_codecvt::state_type state01
;
72 result r1
= cvt
->in(state01
, e_lit
, e_lit
+ size
, efrom_next
,
73 i_arr
, i_arr
+ size
, ito_next
);
74 VERIFY( r1
== codecvt_base::error
);
75 VERIFY( efrom_next
== e_lit
+ 1 );
76 VERIFY( ito_next
== i_arr
+ 1 );
77 VERIFY( !int_traits::compare(i_arr
, i_lit
, 1) );
78 VERIFY( !int_traits::compare(ito_next
, i_ref
, size
) );