]>
git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/5.cc
1d654a0c04532c32c5f999fffa6f3440a7d7d630
1 // 2003-02-06 Petur Runolfsson <peturr02@ru.is>
3 // Copyright (C) 2003-2013 Free Software Foundation, Inc.
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 3, 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 COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
20 // 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>
42 // Test handling of '\0' characters in input
47 typedef codecvt
<wchar_t, char, mbstate_t> w_codecvt
;
48 typedef codecvt_base::result result
;
49 typedef wchar_t int_type
;
50 typedef char ext_type
;
51 typedef char_traits
<wchar_t> int_traits
;
53 bool test
__attribute__((unused
)) = true;
54 const ext_type e_lit
[] = { '\0', '\0', 'f', '\0' };
55 const ext_type
* efrom_next
;
56 const int_type i_lit
[] = { L
'\0', L
'\0', L
'f', L
'\0' };
57 size_t size
= sizeof(e_lit
);
58 int_type
* i_arr
= new int_type
[size
+ 1];
59 int_type
* i_ref
= new int_type
[size
+ 1];
60 wmemset(i_arr
, static_cast<wchar_t>(0xdeadbeef), size
+ 1);
61 wmemset(i_ref
, static_cast<wchar_t>(0xdeadbeef), size
+ 1);
65 const w_codecvt
* cvt
= &use_facet
<w_codecvt
>(loc
);
68 w_codecvt::state_type state01
;
70 result r1
= cvt
->in(state01
, e_lit
, e_lit
+ size
, efrom_next
,
71 i_arr
, i_arr
+ size
, ito_next
);
72 VERIFY( r1
== codecvt_base::ok
);
73 VERIFY( efrom_next
== e_lit
+ size
);
74 VERIFY( ito_next
== i_arr
+ size
);
75 VERIFY( !int_traits::compare(i_arr
, i_lit
, size
) );
76 VERIFY( !int_traits::compare(ito_next
, i_ref
, 1) );