1// Derived from libstdc++/12048 by LJR <ljrittle@acm.org> with
2// reminder from Petur Runolfsson <peturr02@ru.is>.
3
4// Copyright (C) 2003 Free Software Foundation, Inc.
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
9// Free Software Foundation; either version 2, or (at your option)
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
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,
20// USA.
21
22#include <iostream>
23#include <testsuite_hooks.h>
24
25void
26test01()
27{
28  std::freopen("cin_unget-1.txt", "r", stdin);
29
30  char c1;
31  char c2;
32  std::cin.get(c1);
33  std::cin.unget();
34  std::cin.get(c2);
35  VERIFY( std::cin.good() );
36  VERIFY( c1 == c2 );
37}
38
39int main(void)
40{
41  test01();
42  return 0;
43}
44