1// 2003-04-30  Petur Runolfsson <peturr02@ru.is>
2
3// Copyright (C) 2003-2015 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING3.  If not see
18// <http://www.gnu.org/licenses/>.
19
20#include <testsuite_hooks.h>
21#include <cstdio>
22#include <iostream>
23
24void test02()
25{
26  using namespace std;
27
28  bool test __attribute__((unused)) = true;
29
30  int c1 = fgetc(stdin);
31  int c2 = cin.rdbuf()->sputbackc(c1);
32  VERIFY( c2 == c1 );
33
34  int c3 = fgetc(stdin);
35  VERIFY( c3 == c1 );
36  ungetc(c3, stdin);
37
38  int c4 = cin.rdbuf()->sgetc();
39  VERIFY( c4 == c3 );
40}
41
42int main()
43{
44  test02();
45  return 0;
46}
47