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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/2.cc
1 // { dg-require-namedlocale "en_US.ISO-8859-1" }
3 // 2003-02-06 Petur Runolfsson <peturr02@ru.is>
5 // Copyright (C) 2003-2015 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 bool test
__attribute__((unused
)) = true;
53 const int_type
* i_lit
=
54 L
"\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
55 L
"\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
56 L
"'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
57 L
"abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86"
58 L
"\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95"
59 L
"\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4"
60 L
"\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3"
61 L
"\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2"
62 L
"\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1"
63 L
"\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0"
64 L
"\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
65 L
"\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe"
68 const int_type
* ifrom_next
;
69 int size
= wcslen(i_lit
);
70 ext_type
* e_arr
= new ext_type
[size
+ 1];
71 ext_type
* e_ref
= new ext_type
[size
+ 1];
72 memset(e_arr
, 0xf0, size
+ 1);
73 memset(e_ref
, 0xf0, size
+ 1);
76 locale loc
= locale("en_US.ISO-8859-1");
78 const w_codecvt
* cvt
= &use_facet
<w_codecvt
>(loc
);
81 w_codecvt::state_type state01
;
83 result r1
= cvt
->unshift(state01
, e_arr
, e_arr
+ size
, eto_next
);
84 VERIFY( r1
== codecvt_base::noconv
);
85 VERIFY( !ext_traits::compare(e_arr
, e_ref
, size
+ 1) );
86 VERIFY( eto_next
== e_arr
);
88 for (int i
= 0; i
< size
; ++i
)
90 w_codecvt::state_type state02
;
92 cvt
->out(state02
, i_lit
+ i
, i_lit
+ i
+ 1, ifrom_next
,
93 e_arr
, e_arr
+ size
, eto_next
);
94 memset(e_arr
, 0xf0, size
+ 1);
95 result r2
= cvt
->unshift(state02
, e_arr
, e_arr
+ size
, eto_next
);
96 VERIFY( r2
== codecvt_base::noconv
);
97 VERIFY( !ext_traits::compare(e_arr
, e_ref
, size
+ 1) );
98 VERIFY( eto_next
== e_arr
);