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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 | ||
21 | #include <locale> | |
22 | #include <fstream> | |
23 | #include <testsuite_hooks.h> | |
24 | #include <testsuite_character.h> | |
25 | ||
26 | // libstdc++/12790 | |
27 | void test01() | |
28 | { | |
29 | using namespace std; | |
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30 | using __gnu_test::pod_uchar; |
31 | typedef basic_filebuf<pod_uchar>::traits_type traits_type; | |
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32 | |
33 | bool test __attribute__((unused)) = true; | |
34 | const char* name = "tmp_seekoff_12790"; | |
35 | ||
36 | locale loc(locale::classic(), | |
37 | new codecvt<traits_type::char_type, char, | |
38 | traits_type::state_type>); | |
39 | ||
821503db | 40 | basic_filebuf<pod_uchar> fb; |
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41 | fb.pubimbue(loc); |
42 | ||
43 | fb.open(name, ios_base::out | ios_base::trunc); | |
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44 | fb.sputc(pod_uchar::from<char>('b')); |
45 | fb.sputc(pod_uchar::from<char>(0xff)); | |
46 | fb.sputc(pod_uchar::from<char>('a')); | |
47 | fb.sputc(pod_uchar::from<char>(0xfc)); | |
48 | fb.sputc(pod_uchar::from<char>(0)); | |
49 | fb.sputc(pod_uchar::from<char>(0)); | |
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50 | |
51 | fb.close(); | |
52 | fb.open(name, ios_base::in); | |
53 | ||
54 | fb.sbumpc(); | |
55 | fb.sbumpc(); | |
56 | ||
57 | // Check that seekoff returns the correct state | |
58 | traits_type::pos_type pos = fb.pubseekoff(0, ios_base::cur); | |
59 | ||
60 | traits_type::int_type c = fb.sbumpc(); | |
61 | VERIFY( c != traits_type::eof() ); | |
62 | VERIFY( traits_type::eq(traits_type::to_char_type(c), | |
821503db | 63 | pod_uchar::from<char>('a')) ); |
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64 | fb.sbumpc(); |
65 | ||
66 | fb.pubseekpos(pos); | |
67 | ||
68 | c = fb.sbumpc(); | |
69 | VERIFY( c != traits_type::eof() ); | |
70 | VERIFY( traits_type::eq(traits_type::to_char_type(c), | |
821503db | 71 | pod_uchar::from<char>('a')) ); |
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72 | |
73 | fb.close(); | |
74 | } | |
75 | ||
76 | int main() | |
77 | { | |
78 | test01(); | |
79 | return 0; | |
80 | } |