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99dee823 | 1 | // Copyright (C) 2004-2021 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 | // 27.6.1.2.3 character extractors | |
19 | ||
20 | #include <istream> | |
21 | #include <sstream> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | void test02() | |
25 | { | |
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26 | std::wstring str_01; |
27 | const std::wstring str_02(L"or coltrane playing tunji with jimmy garrison"); | |
28 | const std::wstring str_03(L"coltrane"); | |
29 | ||
30 | std::wstringbuf isbuf_01(std::ios_base::in); | |
31 | std::wstringbuf isbuf_02(str_02, std::ios_base::in); | |
8fc81078 | 32 | std::wistream is_01(0); |
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33 | std::wistream is_02(&isbuf_02); |
34 | std::ios_base::iostate state1, state2, statefail; | |
35 | statefail = std::ios_base::failbit; | |
36 | ||
37 | // template<_CharT, _Traits> | |
38 | // basic_istream& operator>>(istream&, _CharT&) | |
39 | wchar_t c1 = L'c', c2 = L'c'; | |
40 | state1 = is_01.rdstate(); | |
41 | is_01 >> c1; | |
42 | state2 = is_01.rdstate(); | |
43 | VERIFY( state1 != state2 ); | |
44 | VERIFY( c1 == c2 ); | |
45 | VERIFY( static_cast<bool>(state2 & statefail) ); | |
46 | ||
47 | state1 = is_02.rdstate(); | |
48 | is_02 >> c1; | |
49 | state2 = is_02.rdstate(); | |
50 | VERIFY( state1 == state2 ); | |
51 | VERIFY( c1 == L'o' ); | |
52 | is_02 >> c1; | |
53 | is_02 >> c1; | |
54 | VERIFY( c1 == L'c' ); | |
55 | VERIFY( !static_cast<bool>(state2 & statefail) ); | |
56 | } | |
57 | ||
58 | int main() | |
59 | { | |
60 | test02(); | |
61 | return 0; | |
62 | } |