]>
Commit | Line | Data |
---|---|---|
5f8d36fe | 1 | // 2000-08-17 Benjamin Kosnik <bkoz@cygnus.com> |
6f322d27 | 2 | |
748086b7 | 3 | // Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 |
1b716e90 | 4 | // Free Software Foundation |
6f322d27 BK |
5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
748086b7 | 9 | // Free Software Foundation; either version 3, or (at your option) |
6f322d27 BK |
10 | // any later version. |
11 | ||
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | ||
17 | // You should have received a copy of the GNU General Public License along | |
748086b7 JJ |
18 | // with this library; see the file COPYING3. If not see |
19 | // <http://www.gnu.org/licenses/>. | |
6f322d27 BK |
20 | |
21 | // 22.2.1.5 - Template class codecvt [lib.locale.codecvt] | |
22 | ||
23 | #include <locale> | |
1b716e90 | 24 | #include <cstring> |
fe413112 | 25 | #include <testsuite_hooks.h> |
6f322d27 | 26 | |
6f322d27 | 27 | // Need to explicitly set the state(mbstate_t) to zero. |
7ee9826b | 28 | // How to do this is not specified by the ISO C99 standard, so we |
6f322d27 BK |
29 | // might need to add some operators to make the intuiative case |
30 | // work: | |
31 | // w_codecvt::state_type state00; | |
32 | // state00 = 0; | |
33 | // or, can use this explicit "C" initialization: | |
34 | // w_codecvt::state_type state01 = {0, 0}; | |
35 | // .. except Ulrich says: Use memset. Always use memset. Feel the force... | |
36 | void | |
4bc95009 BK |
37 | zero_state(std::mbstate_t& state) |
38 | { std::memset(&state, 0, sizeof(std::mbstate_t)); } | |
6f322d27 BK |
39 | |
40 | // Required instantiation | |
41 | // codecvt<wchar_t, char, mbstate_t> | |
42 | void test01() | |
43 | { | |
44 | using namespace std; | |
45 | typedef codecvt<wchar_t, char, mbstate_t> w_codecvt; | |
46 | typedef codecvt_base::result result; | |
47 | typedef wchar_t int_type; | |
48 | typedef char ext_type; | |
6f322d27 | 49 | |
11f10e6b | 50 | bool test __attribute__((unused)) = true; |
6f322d27 | 51 | const ext_type* e_lit = "black pearl jasmine tea"; |
6f322d27 BK |
52 | int size = strlen(e_lit); |
53 | ext_type* e_arr = new ext_type[size + 1]; | |
54 | ext_type* eto_next; | |
6f322d27 BK |
55 | |
56 | locale loc; | |
57 | const w_codecvt* cvt = &use_facet<w_codecvt>(loc); | |
58 | ||
6f322d27 BK |
59 | // unshift |
60 | strcpy(e_arr, e_lit); | |
61 | w_codecvt::state_type state03; | |
62 | zero_state(state03); | |
63 | result r3 = cvt->unshift(state03, e_arr, e_arr + size, eto_next); | |
64 | VERIFY( r3 == codecvt_base::noconv ); | |
65 | VERIFY( !strcmp(e_arr, e_lit) ); | |
66 | VERIFY( eto_next == e_arr ); | |
e61c8e23 BK |
67 | |
68 | delete [] e_arr; | |
b5623829 | 69 | } |
6f322d27 BK |
70 | |
71 | int main () | |
72 | { | |
73 | test01(); | |
6f322d27 BK |
74 | return 0; |
75 | } |