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99dee823 | 1 | // Copyright (C) 2005-2021 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 | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
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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 | |
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15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
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17 | |
18 | // 27.6.2.6 Unformatted output functions | |
19 | // | |
20 | // _GLIBCXX_RESOLVE_LIB_DEFECTS | |
21 | // DR 60. What is a formatted input function? | |
22 | // basic_ostream::flush() does not behave as an unformatted output function. | |
23 | ||
24 | #include <ostream> | |
25 | #include <testsuite_hooks.h> | |
26 | #include <testsuite_io.h> | |
27 | ||
28 | void test02() | |
29 | { | |
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30 | __gnu_test::sync_wstreambuf buf; |
31 | std::wostream os(&buf); | |
32 | ||
33 | __gnu_test::sync_wstreambuf buf_tie; | |
34 | std::wostream os_tie(&buf_tie); | |
35 | ||
36 | // No sentry should be constructed so os.tie()->flush() should not be | |
37 | // called. | |
38 | os.tie(&os_tie); | |
39 | ||
40 | os.flush(); | |
41 | ||
42 | VERIFY( os.good() ); | |
43 | VERIFY( buf.sync_called() ); | |
44 | VERIFY( !buf_tie.sync_called() ); | |
45 | ||
46 | // os.rdbuf()->pubsync() should be called even if !os.good(). | |
47 | os.setstate(std::ios_base::eofbit); | |
48 | ||
49 | os.flush(); | |
50 | ||
51 | VERIFY( os.rdstate() == std::ios_base::eofbit ); | |
52 | VERIFY( buf.sync_called() ); | |
53 | VERIFY( !buf_tie.sync_called() ); | |
54 | } | |
55 | ||
56 | int main() | |
57 | { | |
58 | test02(); | |
59 | return 0; | |
60 | } | |
61 |