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821503db | 1 | // Copyright (C) 2003, 2005 Free Software Foundation, Inc. |
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2 | // |
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 2, or (at your option) | |
7 | // any later version. | |
8 | ||
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. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING. If not, write to the Free | |
83f51799 | 16 | // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
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17 | // USA. |
18 | ||
19 | // 27.8.1.4 Overridden virtual functions | |
20 | ||
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21 | // { dg-require-fileio "" } |
22 | ||
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23 | #include <locale> |
24 | #include <fstream> | |
25 | #include <testsuite_hooks.h> | |
26 | #include <testsuite_character.h> | |
27 | ||
28 | // libstdc++/12790 | |
29 | void test01() | |
30 | { | |
31 | using namespace std; | |
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32 | using __gnu_test::pod_uchar; |
33 | typedef basic_filebuf<pod_uchar>::traits_type traits_type; | |
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34 | |
35 | bool test __attribute__((unused)) = true; | |
36 | const char* name = "tmp_seekpos_12790"; | |
37 | ||
38 | locale loc(locale::classic(), | |
39 | new codecvt<traits_type::char_type, char, | |
40 | traits_type::state_type>); | |
41 | ||
821503db | 42 | basic_filebuf<pod_uchar> fb; |
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43 | fb.pubsetbuf(0, 0); |
44 | fb.pubimbue(loc); | |
45 | ||
46 | fb.open(name, ios_base::in | ios_base::out | ios_base::trunc); | |
47 | traits_type::pos_type pos = fb.pubseekoff(0, ios_base::cur); | |
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48 | fb.sputc(pod_uchar::from<char>('a')); |
49 | fb.sputc(pod_uchar::from<char>(0xff)); | |
50 | fb.sputc(pod_uchar::from<char>(0)); | |
51 | fb.sputc(pod_uchar::from<char>(0)); | |
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52 | |
53 | // Check that seekpos restores the state correctly | |
54 | fb.pubseekpos(pos); | |
55 | ||
56 | traits_type::int_type c = fb.sbumpc(); | |
57 | VERIFY( c != traits_type::eof() ); | |
58 | VERIFY( traits_type::eq(traits_type::to_char_type(c), | |
821503db | 59 | pod_uchar::from<char>('a')) ); |
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60 | |
61 | fb.close(); | |
62 | } | |
63 | ||
64 | int main() | |
65 | { | |
66 | test01(); | |
67 | return 0; | |
68 | } |