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1 | // Derived from libstdc++/12048 by LJR <ljrittle@acm.org> with |
2 | // reminder from Petur Runolfsson <peturr02@ru.is>. | |
3 | ||
aa118a03 | 4 | // Copyright (C) 2003-2014 Free Software Foundation, Inc. |
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5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
748086b7 | 9 | // Free Software Foundation; either version 3, or (at your option) |
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10 | // any later version. |
11 | ||
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | ||
17 | // You should have received a copy of the GNU General Public License along | |
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18 | // with this library; see the file COPYING3. If not see |
19 | // <http://www.gnu.org/licenses/>. | |
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20 | |
21 | #include <iostream> | |
4c620c39 | 22 | #include <cwchar> |
b7e2f896 | 23 | #include <cstdio> |
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24 | #include <testsuite_hooks.h> |
25 | ||
26 | void | |
27 | test01() | |
28 | { | |
820d2ff7 | 29 | VERIFY( std::freopen("cin_unget-1.txt", "r", stdin) ); |
73780bfe | 30 | |
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31 | wchar_t buf[2]; |
32 | VERIFY( std::wcin.rdbuf()->sgetn(buf, 2) == 2 ); | |
33 | std::wint_t c1 = std::wcin.rdbuf()->sungetc(); | |
34 | std::wint_t c2 = std::wcin.rdbuf()->sbumpc(); | |
35 | VERIFY( c1 == std::char_traits<wchar_t>::to_int_type(buf[1]) ); | |
36 | VERIFY( c2 == c1 ); | |
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37 | } |
38 | ||
39 | int main(void) | |
40 | { | |
41 | test01(); | |
42 | return 0; | |
43 | } |