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23cac885 | 1 | // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> |
b2dad0e3 | 2 | |
83ffe9cd | 3 | // Copyright (C) 2001-2023 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 | |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
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19 | |
20 | // 27.7.1.3 Overridden virtual functions | |
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21 | |
22 | #include <sstream> | |
fe413112 | 23 | #include <testsuite_hooks.h> |
b2dad0e3 | 24 | |
23cac885 | 25 | void test02(std::stringbuf& in, bool pass) |
b2dad0e3 | 26 | { |
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27 | using namespace std; |
28 | typedef streambuf::pos_type pos_type; | |
29 | typedef streambuf::off_type off_type; | |
30 | pos_type bad = pos_type(off_type(-1)); | |
31 | pos_type p = 0; | |
32 | ||
33 | // seekoff | |
34 | p = in.pubseekoff(0, ios_base::beg, ios_base::in); | |
35 | if (pass) | |
36 | VERIFY( p != bad ); | |
b2dad0e3 | 37 | |
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38 | p = in.pubseekoff(0, ios_base::beg, ios_base::out); |
39 | VERIFY( p == bad ); | |
40 | ||
41 | p = in.pubseekoff(0, ios_base::beg); | |
42 | VERIFY( p == bad ); | |
43 | } | |
44 | ||
45 | int main() | |
b2dad0e3 | 46 | { |
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47 | using namespace std; |
48 | ||
49 | // movie star, submarine scientist! | |
50 | stringbuf in1("Hedy Lamarr", ios_base::in); | |
51 | stringbuf in2(ios_base::in); | |
52 | stringbuf in3("", ios_base::in); | |
53 | test02(in1, true); | |
54 | test02(in2, false); | |
55 | test02(in3, false); | |
04d930e6 | 56 | return 0; |
b2dad0e3 | 57 | } |