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83ffe9cd | 1 | // Copyright (C) 2004-2023 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 | // 27.7.2.2 member functions (istringstream_members) | |
19 | ||
20 | #include <sstream> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | void test01() | |
24 | { | |
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25 | std::wistringstream is01; |
26 | const std::wstring str00; | |
27 | const std::wstring str01 = L"123"; | |
28 | std::wstring str02; | |
29 | const int i01 = 123; | |
9c5093d1 | 30 | int a = 0, b = 0; |
a1a28bb5 | 31 | |
9c5093d1 | 32 | std::ios_base::iostate state1, state2, stateeof; |
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33 | stateeof = std::ios_base::eofbit; |
34 | ||
35 | // string str() const | |
36 | str02 = is01.str(); | |
37 | VERIFY( str00 == str02 ); | |
38 | ||
39 | // void str(const basic_string&) | |
40 | is01.str(str01); | |
41 | str02 = is01.str(); | |
42 | VERIFY( str01 == str02 ); | |
43 | state1 = is01.rdstate(); | |
44 | is01 >> a; | |
45 | state2 = is01.rdstate(); | |
46 | VERIFY( a == i01 ); | |
47 | // 22.2.2.1.2 num_get virtual functions | |
48 | // p 13 | |
49 | // in any case, if stage 2 processing was terminated by the test for | |
50 | // in == end then err != ios_base::eofbit is performed. | |
51 | VERIFY( state1 != state2 ); | |
52 | VERIFY( state2 == stateeof ); | |
53 | ||
54 | is01.str(str01); | |
55 | is01 >> b; | |
56 | VERIFY( b != a ); | |
57 | // as is01.good() is false, istream::sentry blocks extraction. | |
58 | ||
59 | is01.clear(); | |
60 | state1 = is01.rdstate(); | |
61 | is01 >> b; | |
62 | state2 = is01.rdstate(); | |
63 | VERIFY( b == a ); | |
64 | VERIFY( state1 != state2 ); | |
65 | VERIFY( state2 == stateeof ); | |
66 | } | |
67 | ||
68 | int main() | |
69 | { | |
70 | test01(); | |
71 | return 0; | |
72 | } |