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1 | // Copyright (C) 2004 Free Software Foundation |
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 | |
16 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
17 | // USA. | |
18 | ||
19 | // 27.6.1.3 unformatted input functions | |
20 | // NB: ostream has a particular "seeks" category. Adopt this for istreams too. | |
21 | // @require@ %-*.tst %-*.txt | |
22 | // @diff@ %-*.tst %-*.txt | |
23 | ||
24 | #include <istream> | |
25 | #include <sstream> | |
26 | #include <fstream> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | void test01() | |
30 | { | |
31 | using namespace std; | |
32 | typedef ios::off_type off_type; | |
33 | typedef ios::pos_type pos_type; | |
34 | ||
35 | bool test __attribute__((unused)) = true; | |
36 | const char str_lit01[] = "wistream_seeks-1.tst"; | |
37 | ||
38 | // in | |
39 | wistringstream ist1; | |
40 | pos_type p3 = ist1.tellg(); | |
41 | ||
42 | wifstream ifs1; | |
43 | pos_type p4 = ifs1.tellg(); | |
44 | ||
45 | // N.B. We implement the resolution of DR 453 and | |
46 | // istringstream::tellg() doesn't fail. | |
47 | VERIFY( p3 == pos_type(off_type(0)) ); | |
48 | VERIFY( p4 == pos_type(off_type(-1)) ); | |
49 | ||
50 | // in | |
51 | // test ctors leave things in the same positions... | |
52 | wistringstream ist2(L"bob_marley:kaya"); | |
53 | p3 = ist2.tellg(); | |
54 | ||
55 | wifstream ifs2(str_lit01); | |
56 | p4 = ifs2.tellg(); | |
57 | ||
58 | VERIFY( p3 == p4 ); | |
59 | } | |
60 | ||
61 | int main() | |
62 | { | |
63 | test01(); | |
64 | return 0; | |
65 | } |