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1 | // Derived from libstdc++/12048 by LJR <ljrittle@acm.org> with |
2 | // reminder from Petur Runolfsson <peturr02@ru.is>. | |
3 | ||
99dee823 | 4 | // Copyright (C) 2003-2021 Free Software Foundation, Inc. |
73780bfe LR |
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) |
73780bfe LR |
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 | |
748086b7 JJ |
18 | // with this library; see the file COPYING3. If not see |
19 | // <http://www.gnu.org/licenses/>. | |
73780bfe | 20 | |
0c20e4ec NS |
21 | // { dg-require-fileio "" } |
22 | ||
73780bfe | 23 | #include <iostream> |
b7e2f896 | 24 | #include <cstdio> |
73780bfe LR |
25 | #include <testsuite_hooks.h> |
26 | ||
27 | void | |
28 | test01() | |
29 | { | |
820d2ff7 | 30 | VERIFY( std::freopen("cin_unget-1.txt", "r", stdin) ); |
73780bfe LR |
31 | |
32 | char c1; | |
33 | char c2; | |
34 | std::cin.get(c1); | |
35 | std::cin.unget(); | |
36 | std::cin.get(c2); | |
4c620c39 PR |
37 | VERIFY( std::cin.good() ); |
38 | VERIFY( c1 == c2 ); | |
73780bfe LR |
39 | } |
40 | ||
41 | int main(void) | |
42 | { | |
43 | test01(); | |
44 | return 0; | |
45 | } |