1 // Copyright (C) 2001, 2004, 2005 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 2, 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 COPYING. If not, write to the Free
16 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
19 // 25.?? algorithms, rotate()
22 #include <testsuite_hooks.h>
25 bool test
__attribute__((unused
)) = true;
27 int A
[] = {1, 2, 3, 4, 5, 6, 7};
28 int B
[] = {2, 3, 4, 5, 6, 7, 1};
29 int C
[] = {1, 2, 3, 4, 5, 6, 7};
30 int D
[] = {5, 6, 7, 1, 2, 3, 4};
31 const int N
= sizeof(A
) / sizeof(int);
33 /* need a test for a forward iterator -- can't think of one that makes sense */
35 /* biderectional iterator */
40 typedef std::list
<int> Container
;
42 Container
a(A
, A
+ N
);
43 VERIFY(std::equal(a
.begin(), a
.end(), A
));
45 Container::iterator i
= a
.begin();
46 rotate(a
.begin(), ++i
, a
.end());
47 VERIFY(std::equal(a
.begin(), a
.end(), B
));
50 rotate(a
.begin(), --i
, a
.end());
51 VERIFY(std::equal(a
.begin(), a
.end(), C
));
55 rotate(a
.begin(), ++i
, a
.end());
56 VERIFY(std::equal(a
.begin(), a
.end(), D
));
64 rotate(A
, A
+ 1, A
+ N
);
65 VERIFY(std::equal(A
, A
+ N
, B
));
67 rotate(A
, A
+ N
- 1, A
+ N
);
68 VERIFY(std::equal(A
, A
+ N
, C
));
70 rotate(A
, A
+ 4, A
+ N
);
71 VERIFY(std::equal(A
, A
+ N
, D
));