summaryrefslogtreecommitdiff
path: root/libstdc++-v3/testsuite/27_io/objects/char/12048-1.cc
blob: e4982c5e7687d4e92b978e76694be99333f8b836 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
// Derived from libstdc++/12048 by LJR <ljrittle@acm.org> with
// reminder from Petur Runolfsson <peturr02@ru.is>.

// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
// 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/>.

// { dg-require-fileio "" }

#include <iostream>
#include <cstdio>
#include <testsuite_hooks.h>

void
test01()
{
  VERIFY( std::freopen("cin_unget-1.txt", "r", stdin) );

  char c1;
  char c2;
  std::cin.get(c1);
  std::cin.unget();
  std::cin.get(c2);
  VERIFY( std::cin.good() );
  VERIFY( c1 == c2 );
}

int main(void)
{
  test01();
  return 0;
}