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23cac885 | 1 | // Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc. |
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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 | |
83f51799 | 16 | // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
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17 | // USA. |
18 | ||
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19 | // 27.8.1.10 ofstream member functions |
20 | // @require@ %-*.tst | |
21 | // @diff@ %-*.tst %-*.txt | |
d422980b | 22 | |
23cac885 | 23 | #include <ostream> |
d422980b | 24 | #include <fstream> |
fe413112 | 25 | #include <testsuite_hooks.h> |
d422980b | 26 | |
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27 | const char name_01[] = "ofstream_members-1.tst"; |
28 | ||
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29 | void |
30 | redirect_buffer(std::ios& stream, std::streambuf* new_buf) | |
31 | { stream.rdbuf(new_buf); } | |
32 | ||
33 | std::streambuf* | |
34 | active_buffer(std::ios& stream) | |
35 | { return stream.rdbuf(); } | |
36 | ||
37 | // libstdc++/2832 | |
23cac885 | 38 | void test03() |
d422980b | 39 | { |
11f10e6b | 40 | bool test __attribute__((unused)) = true; |
d422980b | 41 | const char* strlit01 = "fuck war"; |
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42 | const std::string str00; |
43 | const std::string str01(strlit01); | |
44 | std::string str02; | |
45 | std::filebuf fbuf; | |
46 | std::streambuf* pbasebuf0 = &fbuf; | |
47 | ||
23cac885 | 48 | std::ofstream sstrm1; |
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49 | // derived rdbuf() always returns original streambuf, even though |
50 | // it's no longer associated with the stream. | |
51 | std::filebuf* const buf1 = sstrm1.rdbuf(); | |
52 | // base rdbuf() returns the currently associated streambuf | |
53 | std::streambuf* pbasebuf1 = active_buffer(sstrm1); | |
54 | redirect_buffer(sstrm1, &fbuf); | |
55 | std::filebuf* const buf2 = sstrm1.rdbuf(); | |
56 | std::streambuf* pbasebuf2 = active_buffer(sstrm1); | |
57 | VERIFY( buf1 == buf2 ); | |
58 | VERIFY( pbasebuf1 != pbasebuf2 ); | |
59 | VERIFY( pbasebuf2 == pbasebuf0 ); | |
60 | ||
61 | // How confusing and non-intuitive is this? | |
62 | // These semantics are a joke, a serious defect, and incredibly lame. | |
63 | } | |
64 | ||
65 | int main() | |
66 | { | |
23cac885 | 67 | test03(); |
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68 | return 0; |
69 | } | |
70 | ||
71 | ||
72 |