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1 | // 2000-06-29 bkoz |
2 | ||
9c9e97bd | 3 | // Copyright (C) 2000, 2001, 2002, 2003, 2004 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 | ||
9c9e97bd | 21 | // 27.6.2.4 basic_ostream seek members [lib.ostream.seeks] |
23cac885 | 22 | |
9c9e97bd | 23 | #include <ostream> |
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24 | #include <istream> |
25 | #include <sstream> | |
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26 | #include <testsuite_hooks.h> |
27 | ||
28 | const char* s = " lootpack, peanut butter wolf, rob swift, madlib, quasimoto"; | |
29 | const int times = 10; | |
30 | ||
31 | void write_rewind(std::iostream& stream) | |
32 | { | |
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33 | bool test __attribute__((unused)) = true; |
34 | ||
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35 | for (int j = 0; j < times; j++) |
36 | { | |
9c9e97bd | 37 | std::streampos begin = stream.tellp(); |
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38 | |
39 | for (int i = 0; i < times; ++i) | |
40 | stream << j << '-' << i << s << '\n'; | |
41 | ||
9c9e97bd | 42 | stream.seekp(begin); |
23cac885 | 43 | } |
9c9e97bd | 44 | VERIFY( stream.good() ); |
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45 | } |
46 | ||
47 | void check_contents(std::iostream& stream) | |
48 | { | |
11f10e6b | 49 | bool test __attribute__((unused)) = true; |
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50 | |
51 | stream.clear(); | |
52 | stream.seekg(0, std::ios::beg); | |
53 | int i = 0; | |
54 | int loop = times * times + 2; | |
55 | while (i < loop) | |
56 | { | |
57 | stream.ignore(80, '\n'); | |
58 | if (stream.good()) | |
59 | ++i; | |
60 | else | |
61 | break; | |
62 | } | |
63 | VERIFY( i == times ); | |
64 | } | |
65 | ||
66 | // stringstream | |
67 | // libstdc++/2346 | |
9c9e97bd | 68 | // N.B. The original testcase was broken, using tellg/seekg in write_rewind. |
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69 | void test03() |
70 | { | |
71 | std::stringstream sstrm; | |
72 | ||
73 | write_rewind(sstrm); | |
74 | check_contents(sstrm); | |
75 | } | |
76 | ||
77 | int main() | |
78 | { | |
79 | test03(); | |
80 | return 0; | |
81 | } |