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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 // 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 // Required instantiation
27 // codecvt<wchar_t, char, mbstate_t>
32 typedef codecvt
<wchar_t, char, mbstate_t> w_codecvt
;
34 locale loc
= __gnu_test::try_named_locale("en_US.UTF-8");
36 const w_codecvt
* cvt
= &use_facet
<w_codecvt
>(loc
);
38 int k
= cvt
->max_length();
39 // Each UCS-4 wide character can be converted to at most 6 narrow
40 // characters in the UTF-8 encoding.