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23cac885 | 1 | // 2000-06-29 bkoz |
6f62fbd8 | 2 | |
23cac885 | 3 | // Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation |
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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 | |
8 | // Free Software Foundation; either version 2, or (at your option) | |
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 | |
17 | // with this library; see the file COPYING. If not, write to the Free | |
83f51799 | 18 | // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
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19 | // USA. |
20 | ||
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21 | // 27.6.1.3 unformatted input functions |
22 | // NB: ostream has a particular "seeks" category. Adopt this for istreams too. | |
23 | // @require@ %-*.tst %-*.txt | |
24 | // @diff@ %-*.tst %-*.txt | |
25 | ||
0c20e4ec NS |
26 | // { dg-require-fileio "" } |
27 | ||
6f62fbd8 | 28 | #include <istream> |
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29 | #include <sstream> |
30 | #include <fstream> | |
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31 | #include <testsuite_hooks.h> |
32 | ||
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33 | void test01() |
34 | { | |
35 | using namespace std; | |
9c9e97bd | 36 | typedef ios::off_type off_type; |
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37 | typedef ios::pos_type pos_type; |
38 | ||
11f10e6b | 39 | bool test __attribute__((unused)) = true; |
23cac885 | 40 | const char str_lit01[] = "istream_seeks-1.tst"; |
6f62fbd8 | 41 | |
23cac885 | 42 | // in |
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43 | istringstream ist1; |
44 | pos_type p3 = ist1.tellg(); | |
6f62fbd8 | 45 | |
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46 | ifstream ifs1; |
47 | pos_type p4 = ifs1.tellg(); | |
6f62fbd8 | 48 | |
9c9e97bd PC |
49 | // N.B. We implement the resolution of DR 453 and |
50 | // istringstream::tellg() doesn't fail. | |
51 | VERIFY( p3 == pos_type(off_type(0)) ); | |
52 | VERIFY( p4 == pos_type(off_type(-1)) ); | |
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53 | |
54 | // in | |
55 | // test ctors leave things in the same positions... | |
56 | istringstream ist2("bob_marley:kaya"); | |
57 | p3 = ist2.tellg(); | |
6f62fbd8 | 58 | |
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59 | ifstream ifs2(str_lit01); |
60 | p4 = ifs2.tellg(); | |
61 | ||
62 | VERIFY( p3 == p4 ); | |
63 | } | |
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64 | |
65 | int main() | |
66 | { | |
67 | test01(); | |
68 | return 0; | |
69 | } |