| // 2003-04-30 Petur Runolfsson <peturr02@ru.is> |
| |
| // Copyright (C) 2003-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| #include <testsuite_hooks.h> |
| #include <cstdio> |
| #include <iostream> |
| |
| void test02() |
| { |
| using namespace std; |
| |
| int c1 = fgetc(stdin); |
| int c2 = cin.rdbuf()->sputbackc(c1); |
| VERIFY( c2 == c1 ); |
| |
| int c3 = fgetc(stdin); |
| VERIFY( c3 == c1 ); |
| ungetc(c3, stdin); |
| |
| int c4 = cin.rdbuf()->sgetc(); |
| VERIFY( c4 == c3 ); |
| } |
| |
| int main() |
| { |
| test02(); |
| return 0; |
| } |
