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1 | // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> |
2 | ||
8d9254fc | 3 | // Copyright (C) 2001-2020 Free Software Foundation, Inc. |
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4 | // |
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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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9 | // any later version. |
10 | ||
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. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
748086b7 JJ |
17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
ed242935 | 19 | |
7d6a0993 | 20 | // 27.7.1.3 Overridden virtual functions |
ed242935 | 21 | |
0c20e4ec NS |
22 | // { dg-require-fileio "" } |
23 | ||
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24 | #include <fstream> |
25 | #include <testsuite_hooks.h> | |
ed242935 | 26 | |
7d6a0993 | 27 | void test02(std::filebuf& in, bool pass) |
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28 | { |
29 | using namespace std; | |
7d6a0993 BK |
30 | typedef streambuf::pos_type pos_type; |
31 | typedef streambuf::off_type off_type; | |
32 | pos_type bad = pos_type(off_type(-1)); | |
33 | pos_type p = 0; | |
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34 | |
35 | // seekoff | |
7d6a0993 BK |
36 | p = in.pubseekoff(0, ios_base::beg, ios_base::in); |
37 | if (pass) | |
38 | VERIFY( p != bad ); | |
39 | ||
40 | p = in.pubseekoff(0, ios_base::beg, ios_base::out); | |
41 | if (pass) | |
42 | VERIFY( p != bad ); | |
ed242935 | 43 | |
7d6a0993 BK |
44 | p = in.pubseekoff(0, ios_base::beg); |
45 | if (pass) | |
46 | VERIFY( p != bad ); | |
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47 | } |
48 | ||
7d6a0993 BK |
49 | const char name_01[] = "filebuf_virtuals-1.tst"; // file with data in it |
50 | const char name_03[] = "filebuf_members-1.tst"; // empty file | |
51 | ||
52 | int main() | |
ed242935 | 53 | { |
7d6a0993 BK |
54 | using namespace std; |
55 | ||
56 | filebuf in1; | |
57 | in1.open(name_01, ios_base::in | ios_base::out); | |
58 | filebuf in2; | |
59 | filebuf in3; | |
60 | in3.open(name_03, ios_base::in | ios_base::out); | |
61 | test02(in1, true); | |
62 | test02(in2, false); | |
63 | test02(in3, true); | |
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64 | return 0; |
65 | } |