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f1717362 | 1 | // Copyright (C) 2004-2016 Free Software Foundation, Inc. |
cf55bc95 | 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 | |
6bc9506f | 6 | // Free Software Foundation; either version 3, or (at your option) |
cf55bc95 | 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 | |
6bc9506f | 15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
cf55bc95 | 17 | |
588ac048 | 18 | // { dg-require-fileio "" } |
19 | ||
cf55bc95 | 20 | // 27.6.1.3 unformatted input functions |
21 | // NB: ostream has a particular "seeks" category. Adopt this for istreams too. | |
22 | // @require@ %-*.tst %-*.txt | |
23 | // @diff@ %-*.tst %-*.txt | |
24 | ||
25 | #include <istream> | |
26 | #include <sstream> | |
27 | #include <fstream> | |
28 | #include <testsuite_hooks.h> | |
29 | ||
30 | void test01() | |
31 | { | |
32 | using namespace std; | |
33 | typedef ios::off_type off_type; | |
34 | typedef ios::pos_type pos_type; | |
35 | ||
36 | bool test __attribute__((unused)) = true; | |
37 | const char str_lit01[] = "wistream_seeks-1.tst"; | |
38 | ||
39 | // in | |
40 | wistringstream ist1; | |
41 | pos_type p3 = ist1.tellg(); | |
42 | ||
43 | wifstream ifs1; | |
44 | pos_type p4 = ifs1.tellg(); | |
45 | ||
46 | // N.B. We implement the resolution of DR 453 and | |
47 | // istringstream::tellg() doesn't fail. | |
48 | VERIFY( p3 == pos_type(off_type(0)) ); | |
49 | VERIFY( p4 == pos_type(off_type(-1)) ); | |
50 | ||
51 | // in | |
52 | // test ctors leave things in the same positions... | |
53 | wistringstream ist2(L"bob_marley:kaya"); | |
54 | p3 = ist2.tellg(); | |
55 | ||
56 | wifstream ifs2(str_lit01); | |
57 | p4 = ifs2.tellg(); | |
58 | ||
59 | VERIFY( p3 == p4 ); | |
60 | } | |
61 | ||
62 | int main() | |
63 | { | |
64 | test01(); | |
65 | return 0; | |
66 | } |