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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/22_locale/codecvt/unicode/1.cc
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>
28 #ifdef _GLIBCXX_USE___ENC_TRAITS
30 // Need some char_traits specializations for this to work.
31 typedef unsigned short unicode_t
;
36 struct char_traits
<unicode_t
>
38 typedef unicode_t char_type
;
39 // Unsigned as wint_t is unsigned.
40 typedef unsigned long int_type
;
41 typedef streampos pos_type
;
42 typedef streamoff off_type
;
43 typedef mbstate_t state_type
;
46 assign(char_type
& __c1
, const char_type
& __c2
);
49 eq(const char_type
& __c1
, const char_type
& __c2
);
52 lt(const char_type
& __c1
, const char_type
& __c2
);
55 compare(const char_type
* __s1
, const char_type
* __s2
, size_t __n
)
56 { return memcmp(__s1
, __s2
, __n
); }
59 length(const char_type
* __s
);
61 static const char_type
*
62 find(const char_type
* __s
, size_t __n
, const char_type
& __a
);
65 move(char_type
* __s1
, const char_type
* __s2
, size_t __n
);
68 copy(char_type
* __s1
, const char_type
* __s2
, size_t __n
)
69 { return static_cast<char_type
*>(memcpy(__s1
, __s2
, __n
)); }
72 assign(char_type
* __s
, size_t __n
, char_type __a
);
75 to_char_type(const int_type
& __c
);
78 to_int_type(const char_type
& __c
);
81 eq_int_type(const int_type
& __c1
, const int_type
& __c2
);
87 not_eof(const int_type
& __c
);
92 initialize_state(std::__enc_traits
& state
)
95 bool length_called
= false;
97 class length_codecvt
: public std::codecvt
<unicode_t
, char, std::__enc_traits
>
99 typedef std::codecvt
<unicode_t
, char, std::__enc_traits
> unicode_codecvt
;
102 // DR75: type of first argument of do_length is state_type&
103 virtual int do_length(state_type
& state
, const extern_type
* from
,
104 const extern_type
* end
, std::size_t max
) const
106 length_called
= true;
107 return unicode_codecvt::do_length(state
, from
, end
, max
);
111 // Partial specialization using __enc_traits.
112 // codecvt<unicode_t, char, __enc_traits>
113 // UNICODE - UCS2 (big endian)
117 typedef unicode_t int_type
;
118 typedef char ext_type
;
119 typedef __enc_traits enc_type
;
120 typedef codecvt
<int_type
, ext_type
, enc_type
> unicode_codecvt
;
122 bool test
__attribute__((unused
)) = true;
123 const ext_type
* e_lit
= "black pearl jasmine tea";
124 int size
= strlen(e_lit
);
126 // construct a locale object with the specialized facet.
127 locale
loc(locale::classic(), new length_codecvt
);
128 // sanity check the constructed locale has the specialized facet.
129 VERIFY( has_facet
<unicode_codecvt
>(loc
) );
130 const unicode_codecvt
& cvt
= use_facet
<unicode_codecvt
>(loc
);
132 unicode_codecvt::state_type
state04("UCS-2BE", "ISO-8859-15", 0xfeff, 0);
133 initialize_state(state04
);
134 length_called
= false;
135 cvt
.length(state04
, e_lit
, e_lit
+ size
, 5);
136 VERIFY( length_called
);
138 #endif // _GLIBCXX_USE___ENC_TRAITS
142 #if _GLIBCXX_USE___ENC_TRAITS