1 // Derived from libstdc++/12048 by LJR <ljrittle@acm.org> with
2 // reminder from Petur Runolfsson <peturr02@ru.is>.
4 // Copyright (C) 2003 Free Software Foundation, Inc.
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
9 // Free Software Foundation; either version 2, or (at your option)
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.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING. If not, write to the Free
19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22 // DR 49 states that cin.rdbuf()->sbumpc() and fgetc(stdin) should be
23 // equivalent and interchangable. Currently however, cin.rdbuf()->sungetc()
24 // only returns characters that were read with cin.rdbuf()->sbumpc()
26 // { dg-require-fileio "" }
28 // { dg-do run { xfail *-*-* } }
32 #include <testsuite_hooks.h>
37 std::freopen("cin_unget-1.txt", "r", stdin);
43 c2 = std::fgetc(stdin);
48 VERIFY( std::cin.good() );
49 VERIFY( c3 == std::char_traits<char>::to_char_type(c2) );