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23cac885 | 1 | // 2000-06-29 bkoz |
b2dad0e3 | 2 | |
83ffe9cd | 3 | // Copyright (C) 2000-2023 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 | // 27.6.2.4 basic_ostream seek members | |
b2dad0e3 | 21 | |
0c20e4ec NS |
22 | // { dg-require-fileio "" } |
23 | ||
b2dad0e3 | 24 | #include <ostream> |
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25 | #include <sstream> |
26 | #include <fstream> | |
fe413112 | 27 | #include <testsuite_hooks.h> |
b2dad0e3 | 28 | |
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29 | void test01() |
30 | { | |
31 | using namespace std; | |
9c9e97bd | 32 | typedef ios::off_type off_type; |
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33 | typedef ios::pos_type pos_type; |
34 | ||
23cac885 | 35 | const char str_lit01[] = "ostream_seeks-1.txt"; |
b2dad0e3 | 36 | |
23cac885 | 37 | // out |
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38 | ostringstream ost1; |
39 | pos_type p1 = ost1.tellp(); | |
40 | ||
41 | ofstream ofs1; | |
42 | pos_type p2 = ofs1.tellp(); | |
43 | ||
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44 | // N.B. We implement the resolution of DR 453 and |
45 | // ostringstream::tellp() doesn't fail. | |
46 | VERIFY( p1 == pos_type(off_type(0)) ); | |
47 | VERIFY( p2 == pos_type(off_type(-1)) ); | |
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48 | |
49 | // out | |
50 | // test ctors leave things in the same positions... | |
51 | ostringstream ost2("bob_marley:kaya"); | |
52 | p1 = ost2.tellp(); | |
53 | ||
54 | ofstream ofs2(str_lit01); | |
55 | p2 = ofs2.tellp(); | |
56 | ||
57 | VERIFY( p1 == p2 ); | |
58 | } | |
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59 | |
60 | int main() | |
61 | { | |
62 | test01(); | |
04d930e6 | 63 | return 0; |
b2dad0e3 | 64 | } |