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1 | // 2000-08-17 Benjamin Kosnik <bkoz@cygnus.com> | |
2 | ||
3 | // Copyright (C) 2000-2024 Free Software Foundation, Inc. | |
4 | // | |
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) | |
9 | // any later version. | |
10 | ||
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. | |
15 | ||
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/>. | |
19 | ||
20 | // 22.2.1.5 - Template class codecvt [lib.locale.codecvt] | |
21 | ||
22 | #include <locale> | |
23 | #include <cstring> | |
24 | #include <testsuite_hooks.h> | |
25 | ||
26 | // Required instantiation, degenerate conversion. | |
27 | // codecvt<char, char, mbstate_t> | |
28 | void test01() | |
29 | { | |
30 | using namespace std; | |
31 | typedef codecvt_base::result result; | |
32 | typedef codecvt<char, char, mbstate_t> c_codecvt; | |
33 | ||
34 | int size = 25; | |
35 | char* c_arr = new char[size]; | |
36 | char* c_ref = new char[size]; | |
37 | ||
38 | locale loc = locale::classic(); | |
39 | const c_codecvt* cvt = &use_facet<c_codecvt>(loc); | |
40 | ||
41 | // According to the resolution of DR19 (see also libstdc++/9168), in | |
42 | // case of degenerate conversion ('noconv'), "there are no changes to | |
43 | // the values in [to, to_limit)." | |
44 | memset(c_ref, 'X', size); | |
45 | ||
46 | VERIFY( cvt->always_noconv() ); | |
47 | ||
48 | delete [] c_arr; | |
49 | delete [] c_ref; | |
50 | } | |
51 | ||
52 | int main () | |
53 | { | |
54 | test01(); | |
55 | return 0; | |
56 | } |