1 // Copyright (C) 2003, 2009 Free Software Foundation, Inc.
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
6 // Free Software Foundation; either version 3, or (at your option)
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.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
18 // { dg-require-fileio "" }
22 #include <testsuite_hooks.h>
27 VERIFY( std::freopen("cin_unget-1.txt", "r", stdin
) );
30 VERIFY( std::cin
.rdbuf()->sgetn(buf
, 2) == 2 );
31 int c1
= std::cin
.rdbuf()->sungetc();
32 int c2
= std::fgetc(stdin
);
33 VERIFY( c1
== std::char_traits
<char>::to_int_type(buf
[1]) );