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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/4.cc
1 // { dg-require-namedlocale "" }
3 // 2003-02-06 Petur Runolfsson <peturr02@ru.is>
5 // Copyright (C) 2003, 2005, 2009 Free Software Foundation
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]
25 #include <testsuite_hooks.h>
27 // Required instantiation
28 // codecvt<wchar_t, char, mbstate_t>
32 bool test
__attribute__((unused
)) = true;
33 typedef codecvt
<wchar_t, char, mbstate_t> w_codecvt
;
35 locale loc
= locale("en_US.UTF-8");
37 const w_codecvt
* cvt
= &use_facet
<w_codecvt
>(loc
);
39 int k
= cvt
->max_length();
40 // Each UCS-4 wide character can be converted to at most 6 narrow
41 // characters in the UTF-8 encoding.