1 // Copyright (C) 2003, 2005, 2009 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
18 // 27.8.1.4 Overridden virtual functions
20 // { dg-require-fileio "" }
24 #include <testsuite_hooks.h>
25 #include <testsuite_character.h>
31 using __gnu_test::pod_uchar;
32 typedef basic_filebuf<pod_uchar>::traits_type traits_type;
34 bool test __attribute__((unused)) = true;
35 const char* name = "tmp_seekpos_12790";
37 locale loc(locale::classic(),
38 new codecvt<traits_type::char_type, char,
39 traits_type::state_type>);
41 basic_filebuf<pod_uchar> fb;
44 fb.open(name, ios_base::in | ios_base::out | ios_base::trunc);
45 fb.sputc(pod_uchar::from<char>('b'));
46 fb.sputc(pod_uchar::from<char>(0xff));
47 fb.sputc(pod_uchar::from<char>('c'));
48 fb.sputc(pod_uchar::from<char>(0xff));
50 fb.pubseekoff(0, ios_base::beg);
53 traits_type::pos_type pos = fb.pubseekoff(0, ios_base::cur);
57 // Check that seekoff sets the current state for output
60 fb.sputc(pod_uchar::from<char>('a'));
61 fb.sputc(pod_uchar::from<char>(0));
62 fb.sputc(pod_uchar::from<char>(0));
63 fb.sputc(pod_uchar::from<char>(0));
64 fb.sputc(pod_uchar::from<char>(0));
68 traits_type::int_type c = fb.sbumpc();
69 VERIFY( c != traits_type::eof() );
70 VERIFY( traits_type::eq(traits_type::to_char_type(c),
71 pod_uchar::from<char>('a')) );