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f1717362 | 1 | // Copyright (C) 2015-2016 Free Software Foundation, Inc. |
dfd88237 | 2 | // |
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) | |
7 | // any later version. | |
8 | ||
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. | |
13 | ||
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/>. | |
17 | ||
18 | // { dg-options "-std=gnu++11" } | |
19 | ||
20 | #include <algorithm> | |
21 | #include <iterator> | |
22 | #include <forward_list> | |
23 | #include <list> | |
24 | #include <vector> | |
25 | #include <testsuite_hooks.h> | |
26 | ||
27 | template<typename Container> | |
28 | void | |
29 | test(Container& c) | |
30 | { | |
31 | int size = std::distance(c.begin(), c.end()); | |
32 | for (int i=0; i < size; ++i) | |
33 | { | |
34 | auto first = c.begin(), middle = std::next(first, i), last = c.end(); | |
35 | auto r = std::rotate(first, middle, last); | |
36 | auto expected = std::next(first, std::distance(middle, last)); | |
37 | VERIFY( r == expected ); | |
38 | } | |
39 | } | |
40 | ||
41 | void | |
42 | test01() | |
43 | { | |
44 | // test random access iterators | |
45 | std::vector<int> v{ 0, 1, 2, 3, 4 }; | |
46 | test(v); | |
47 | v.push_back(5); | |
48 | test(v); | |
49 | } | |
50 | ||
51 | void | |
52 | test02() | |
53 | { | |
54 | // test bidirectional iterators | |
55 | std::list<int> l{ 0, 1, 2, 3, 4 }; | |
56 | test(l); | |
57 | l.push_back(5); | |
58 | test(l); | |
59 | } | |
60 | ||
61 | void | |
62 | test03() | |
63 | { | |
64 | // test forward iterators | |
65 | std::forward_list<int> l{ 0, 1, 2, 3, 4 }; | |
66 | test(l); | |
67 | l.push_front(5); | |
68 | test(l); | |
69 | } | |
70 | ||
71 | int | |
72 | main() | |
73 | { | |
74 | test01(); | |
75 | test02(); | |
76 | test03(); | |
77 | } |