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a5544970 | 1 | // Copyright (C) 2004-2019 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 | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
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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 | |
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15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
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17 | |
18 | // 27.6.1.3 unformatted input functions | |
19 | // DR 60 -- seekg does not effect calls to gcount | |
20 | ||
21 | #include <istream> | |
22 | #include <sstream> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | void test01() | |
26 | { | |
27 | using namespace std; | |
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28 | |
29 | wistringstream ist(L"the lamb lies down on broadway"); | |
30 | wios::pos_type pos = ist.tellg(); | |
31 | ist.ignore(4); | |
32 | int count1 = ist.gcount(); | |
33 | ist.seekg(pos); | |
34 | int count2 = ist.gcount(); | |
35 | VERIFY( count1 == count2 ); | |
36 | ist.seekg(wios::off_type(pos), wios::beg); | |
37 | count2 = ist.gcount(); | |
38 | VERIFY( count1 == count2 ); | |
39 | } | |
40 | ||
41 | int main() | |
42 | { | |
43 | test01(); | |
44 | return 0; | |
45 | } |