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1 | // 2003-12-03 Paolo Carlini <pcarlini@suse.de> |
2 | ||
a945c346 | 3 | // Copyright (C) 2003-2024 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 | // 23.3.5.3 bitset operators | |
21 | ||
22 | #include <bitset> | |
23 | #include <sstream> | |
24 | #include <testsuite_hooks.h> | |
25 | ||
26 | void test01() | |
27 | { | |
28 | using namespace std; | |
345d69a7 | 29 | using std::bitset; // Work around struct ::bitset on rtems. |
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30 | |
31 | bitset<5> b5; | |
32 | bitset<0> b0; | |
33 | stringstream ss; | |
34 | ||
35 | ss.str("*"); | |
36 | ss >> b5; | |
37 | VERIFY( ss.rdstate() == ios_base::failbit ); | |
38 | ||
39 | ss.clear(); | |
40 | ss.str("*"); | |
41 | ss >> b0; | |
ab98b4c0 | 42 | VERIFY( ss.rdstate() == ios_base::goodbit ); // LWG 3199 |
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43 | } |
44 | ||
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45 | void |
46 | test02() | |
47 | { | |
48 | std::bitset<4> a(0b1100), b; | |
49 | std::stringstream ss; | |
50 | ss << a; | |
51 | ss >> b; // PR libstdc++/108214 | |
52 | VERIFY( b == a ); | |
53 | ||
54 | ss.str(""); | |
55 | ss.clear(); | |
56 | ||
57 | std::bitset<4000> c, d; | |
58 | for (int i = 0; i < 4000; i += 5) | |
59 | c.flip(i); | |
60 | ss << c; | |
61 | ss >> d; | |
62 | VERIFY( d == c ); | |
63 | } | |
64 | ||
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65 | int main() |
66 | { | |
67 | test01(); | |
553332c1 | 68 | test02(); |
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69 | return 0; |
70 | } |