1 // { dg-require-iconv "UCS-2BE" }
2 // { dg-require-iconv "UCS-4BE" }
4 // 2000-08-23 Benjamin Kosnik <bkoz@cygnus.com>
6 // Copyright (C) 2000-2024 Free Software Foundation, Inc.
8 // This file is part of the GNU ISO C++ Library. This library is free
9 // software; you can redistribute it and/or modify it under the
10 // terms of the GNU General Public License as published by the
11 // Free Software Foundation; either version 3, or (at your option)
14 // This library is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
19 // You should have received a copy of the GNU General Public License along
20 // with this library; see the file COPYING3. If not see
21 // <http://www.gnu.org/licenses/>.
23 // 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
26 #include <testsuite_hooks.h>
27 #include <ext/codecvt_specializations.h>
29 // Partial specialization using encoding_state.
30 // codecvt<unicode_t, wchar_t, encoding_state>
34 typedef codecvt_base::result result
;
35 typedef unsigned short int_type
;
36 typedef wchar_t ext_type
;
37 typedef __gnu_cxx::encoding_state state_type
;
38 typedef codecvt
<int_type
, ext_type
, state_type
> unicode_codecvt
;
39 typedef char_traits
<int_type
> int_traits
;
40 typedef char_traits
<ext_type
> ext_traits
;
43 char e_lit_base
[96] __attribute__((aligned(__alignof__(ext_type
)))) =
45 char(0x00), char(0x00), char(0x00), char(0x62), char(0x00), char(0x00),
46 char(0x00), char(0x6c), char(0x00), char(0x00), char(0x00), char(0x61),
47 char(0x00), char(0x00), char(0x00), char(0x63), char(0x00), char(0x00),
48 char(0x00), char(0x6b), char(0x00), char(0x00), char(0x00), char(0x20),
49 char(0x00), char(0x00), char(0x00), char(0x70), char(0x00), char(0x00),
50 char(0x00), char(0x65), char(0x00), char(0x00), char(0x00), char(0x61),
51 char(0x00), char(0x00), char(0x00), char(0x72), char(0x00), char(0x00),
52 char(0x00), char(0x6c), char(0x00), char(0x00), char(0x00), char(0x20),
53 char(0x00), char(0x00), char(0x00), char(0x6a), char(0x00), char(0x00),
54 char(0x00), char(0x61), char(0x00), char(0x00), char(0x00), char(0x73),
55 char(0x00), char(0x00), char(0x00), char(0x6d), char(0x00), char(0x00),
56 char(0x00), char(0x69), char(0x00), char(0x00), char(0x00), char(0x6e),
57 char(0x00), char(0x00), char(0x00), char(0x65), char(0x00), char(0x00),
58 char(0x00), char(0x20), char(0x00), char(0x00), char(0x00), char(0x74),
59 char(0x00), char(0x00), char(0x00), char(0x65), char(0x00), char(0x00),
60 char(0x00), char(0x61), char(0x00), char(0x00), char(0x00), char(0xa0)
62 const ext_type
* e_lit
= reinterpret_cast<ext_type
*>(e_lit_base
);
64 char i_lit_base
[48] __attribute__((aligned(__alignof__(int_type
)))) =
66 char(0x00), char(0x62), char(0x00), char(0x6c), char(0x00), char(0x61),
67 char(0x00), char(0x63), char(0x00), char(0x6b), char(0x00), char(0x20),
68 char(0x00), char(0x70), char(0x00), char(0x65), char(0x00), char(0x61),
69 char(0x00), char(0x72), char(0x00), char(0x6c), char(0x00), char(0x20),
70 char(0x00), char(0x6a), char(0x00), char(0x61), char(0x00), char(0x73),
71 char(0x00), char(0x6d), char(0x00), char(0x69), char(0x00), char(0x6e),
72 char(0x00), char(0x65), char(0x00), char(0x20), char(0x00), char(0x74),
73 char(0x00), char(0x65), char(0x00), char(0x61), char(0x00), char(0xa0)
75 const int_type
* i_lit
= reinterpret_cast<int_type
*>(i_lit_base
);
77 const ext_type
* efrom_next
;
78 const int_type
* ifrom_next
;
79 ext_type
* e_arr
= new ext_type
[size
+ 1];
81 int_type
* i_arr
= new int_type
[size
+ 1];
84 // construct a locale object with the specialized facet.
85 locale
loc(locale::classic(), new unicode_codecvt
);
86 // sanity check the constructed locale has the specialized facet.
87 VERIFY( has_facet
<unicode_codecvt
>(loc
) );
88 const unicode_codecvt
& cvt
= use_facet
<unicode_codecvt
>(loc
);
91 // unicode_codecvt::state_type state01("UCS-2BE", "UCS-4BE", 0xfeff, 0);
92 unicode_codecvt::state_type
state01("UCS-2BE", "UCS-4BE", 0, 0);
93 result r1
= cvt
.in(state01
, e_lit
, e_lit
+ size
, efrom_next
,
94 i_arr
, i_arr
+ size
+ 1, ito_next
);
95 VERIFY( r1
== codecvt_base::ok
);
96 VERIFY( !int_traits::compare(i_arr
, i_lit
, size
) );
97 VERIFY( efrom_next
== e_lit
+ size
);
98 VERIFY( ito_next
== i_arr
+ size
);
101 unicode_codecvt::state_type
state02("UCS-2BE", "UCS-4BE", 0, 0);
102 result r2
= cvt
.out(state02
, i_lit
, i_lit
+ size
, ifrom_next
,
103 e_arr
, e_arr
+ size
, eto_next
);
104 VERIFY( r2
== codecvt_base::ok
); // XXX?
105 VERIFY( !ext_traits::compare(e_arr
, e_lit
, size
) );
106 VERIFY( ifrom_next
== i_lit
+ size
);
107 VERIFY( eto_next
== e_arr
+ size
);
110 ext_traits::copy(e_arr
, e_lit
, size
);
111 unicode_codecvt::state_type
state03("UCS-2BE", "UCS-4BE", 0, 0);
112 result r3
= cvt
.unshift(state03
, e_arr
, e_arr
+ size
, eto_next
);
113 VERIFY( r3
== codecvt_base::noconv
);
114 VERIFY( !ext_traits::compare(e_arr
, e_lit
, size
) );
115 VERIFY( eto_next
== e_arr
);
117 int i
= cvt
.encoding();
120 VERIFY( !cvt
.always_noconv() );
122 unicode_codecvt::state_type
state04("UCS-2BE", "UCS-4BE", 0, 0);
123 int j
= cvt
.length(state03
, e_lit
, e_lit
+ size
, 5);
126 int k
= cvt
.max_length();