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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/4.cc
1 // { dg-require-namedlocale "en_US.UTF-8" }
3 // 2003-02-06 Petur Runolfsson <peturr02@ru.is>
5 // Copyright (C) 2003-2017 Free Software Foundation, Inc.
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 3, 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 COPYING3. If not see
20 // <http://www.gnu.org/licenses/>.
22 // 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>
46 typedef codecvt
<wchar_t, char, mbstate_t> w_codecvt
;
47 typedef codecvt_base::result result
;
48 typedef wchar_t int_type
;
49 typedef char ext_type
;
50 typedef char_traits
<char> ext_traits
;
52 const int_type i_lit
[] = {
53 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc,
54 0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
55 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, L
'!',
56 L
'"', L
'#', L
'$', L
'%', L
'&', L
'\'', L
'(', L
')', L
'*', L
'+',
57 L
',', L
'-', L
'.', L
'/', L
'0', L
'1', L
'2', L
'3', L
'4', L
'5',
58 L
'6', L
'7', L
'8', L
'9', L
':', L
';', L
'<', L
'=', L
'>', L
'?',
59 L
'@', L
'}', L
'~', 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85,
60 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
61 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
62 0x9a, 0x9b, 0x9c, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0x100,
63 0x101, 0x102, 0x103, 0x104, 0x105, 0x106, 0x107, 0x108, 0x109,
64 0x10a, 0x10b, 0x10c, 0x10d, 0x10e, 0x10f, 0x110, 0x111, 0x112,
65 0x113, 0x114, 0x115, 0x116, 0x117, 0x118, 0x119, 0x7f8, 0x7f9,
66 0x7fa, 0x7fb, 0x7fc, 0x7fd, 0x7fe, 0x7ff, 0x800, 0x801, 0x802,
67 0x803, 0x804, 0x805, 0x806, 0x807, 0x808, 0x809, 0x80a, 0x80b,
68 0x80c, 0x80d, 0x80e, 0x80f, 0x810, 0x811, 0x812, 0x813, 0x814,
69 0x815, 0x816, 0x817, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, L
'@',
70 0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000,
71 0x10000, 0x20000, 0x40000, 0x80000, 0x100000, 0x0
74 const int_type
* ifrom_next
;
75 int size
= wcslen(i_lit
);
76 ext_type
* e_arr
= new ext_type
[size
+ 1];
77 ext_type
* e_ref
= new ext_type
[size
+ 1];
78 memset(e_arr
, 0xf0, size
+ 1);
79 memset(e_ref
, 0xf0, size
+ 1);
82 locale loc
= locale("en_US.UTF-8");
84 const w_codecvt
* cvt
= &use_facet
<w_codecvt
>(loc
);
87 w_codecvt::state_type state01
;
89 result r1
= cvt
->unshift(state01
, e_arr
, e_arr
+ size
, eto_next
);
90 VERIFY( r1
== codecvt_base::noconv
);
91 VERIFY( !ext_traits::compare(e_arr
, e_ref
, size
+ 1) );
92 VERIFY( eto_next
== e_arr
);
94 for (int i
= 0; i
< size
; ++i
)
96 w_codecvt::state_type state02
;
98 cvt
->out(state02
, i_lit
+ i
, i_lit
+ i
+ 1, ifrom_next
,
99 e_arr
, e_arr
+ size
, eto_next
);
100 memset(e_arr
, 0xf0, size
+ 1);
101 result r2
= cvt
->unshift(state02
, e_arr
, e_arr
+ size
, eto_next
);
102 VERIFY( r2
== codecvt_base::noconv
);
103 VERIFY( !ext_traits::compare(e_arr
, e_ref
, size
+ 1) );
104 VERIFY( eto_next
== e_arr
);