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b2dad0e3 | 1 | // 1999-05-21 bkoz |
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2 | // 2000-05-21 Benjamin Kosnik <bkoz@redhat.com> |
3 | // 2001-01-17 Loren J. Rittle <ljrittle@acm.org> | |
b2dad0e3 | 4 | |
748086b7 | 5 | // Copyright (C) 1999, 2000, 2001, 2003, 2009 Free Software Foundation |
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6 | // |
7 | // This file is part of the GNU ISO C++ Library. This library is free | |
8 | // software; you can redistribute it and/or modify it under the | |
9 | // terms of the GNU General Public License as published by the | |
748086b7 | 10 | // Free Software Foundation; either version 3, or (at your option) |
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11 | // any later version. |
12 | ||
13 | // This library is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | ||
18 | // You should have received a copy of the GNU General Public License along | |
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19 | // with this library; see the file COPYING3. If not see |
20 | // <http://www.gnu.org/licenses/>. | |
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21 | |
22 | // 27.4.2.4 ios_base static members | |
db353c2c GDR |
23 | // @require@ %-*.tst |
24 | // @diff@ %-*.tst %-*.txt | |
b2dad0e3 | 25 | |
824a9109 | 26 | #include <cstdio> |
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27 | #include <sstream> |
28 | #include <iostream> | |
fe413112 | 29 | #include <testsuite_hooks.h> |
b2dad0e3 | 30 | |
58f60b5c | 31 | // N.B. Once we have called sync_with_stdio(false), we can never go back. |
b2dad0e3 | 32 | |
23cac885 | 33 | void test02() |
58f60b5c | 34 | { |
11f10e6b | 35 | bool test __attribute__((unused)) = true; |
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36 | |
37 | std::stringbuf strbuf01; | |
38 | std::ios ios01(&strbuf01); | |
39 | ||
40 | // 1: basic invocation | |
41 | VERIFY( ios01.sync_with_stdio() ); | |
42 | VERIFY( ios01.sync_with_stdio(false) ); //returns previous state | |
43 | ||
44 | // 2: need to test interleaving of C and C++ io on a file object. | |
45 | VERIFY( std::cout.good() ); | |
46 | VERIFY( !std::cout.sync_with_stdio(0) ); | |
47 | VERIFY( std::cout.good() ); | |
48 | VERIFY( !std::cout.sync_with_stdio(0) ); | |
49 | VERIFY( std::cout.good() ); | |
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50 | } |
51 | ||
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52 | int main(void) |
53 | { | |
824a9109 | 54 | test02(); |
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55 | return 0; |
56 | } |