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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/2.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>
26 // Need to explicitly set the state(mbstate_t) to zero.
27 // How to do this is not specified by the ISO C99 standard, so we
28 // might need to add some operators to make the intuiative case
30 // w_codecvt::state_type state00;
32 // or, can use this explicit "C" initialization:
33 // w_codecvt::state_type state01 = {0, 0};
34 // .. except Ulrich says: Use memset. Always use memset. Feel the force...
36 zero_state(std::mbstate_t& state
)
37 { std::memset(&state
, 0, sizeof(std::mbstate_t)); }
39 // Required instantiation
40 // codecvt<wchar_t, char, mbstate_t>
44 typedef codecvt
<wchar_t, char, mbstate_t> w_codecvt
;
45 typedef char ext_type
;
48 const ext_type
* e_lit
=
49 "\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
50 "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
51 "'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
52 "abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86"
53 "\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95"
54 "\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4"
55 "\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3"
56 "\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2"
57 "\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1"
58 "\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0"
59 "\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
60 "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe"
62 int size
= strlen(e_lit
);
64 locale loc
= __gnu_test::try_named_locale("en_US.ISO-8859-1");
66 const w_codecvt
* cvt
= &use_facet
<w_codecvt
>(loc
);
68 w_codecvt::state_type state01
;
70 int i
= cvt
->length(state01
, e_lit
, e_lit
+ size
, 5);
73 w_codecvt::state_type state02
;
75 int j
= cvt
->length(state02
, e_lit
, e_lit
+ size
, size
);
78 w_codecvt::state_type state03
;
80 int k
= cvt
->length(state03
, e_lit
, e_lit
+ size
, size
* 2);