1 | // Copyright Neil Groves 2009. Use, modification and |
2 | // distribution is subject to the Boost Software License, Version |
3 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
4 | // http://www.boost.org/LICENSE_1_0.txt) |
5 | // |
6 | // |
7 | // For more information, see http://www.boost.org/libs/range/ |
8 | // |
9 | #include <boost/range/algorithm/rotate_copy.hpp> |
10 | |
11 | #include <boost/test/test_tools.hpp> |
12 | #include <boost/test/unit_test.hpp> |
13 | |
14 | #include <boost/assign.hpp> |
15 | #include <algorithm> |
16 | #include <functional> |
17 | #include <list> |
18 | #include <numeric> |
19 | #include <deque> |
20 | #include <vector> |
21 | |
22 | namespace |
23 | { |
24 | template<class OutputIterator, class Value> |
25 | void test_append(OutputIterator target, Value value) |
26 | { |
27 | *target++ = value; |
28 | } |
29 | |
30 | template<class Container, class Iterator> |
31 | void test_rotate_copy_impl(Container& cont, Iterator where_it) |
32 | { |
33 | typedef BOOST_DEDUCED_TYPENAME boost::range_value<Container>::type |
34 | value_type; |
35 | |
36 | std::vector<value_type> reference; |
37 | std::vector<value_type> test; |
38 | |
39 | typedef BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type |
40 | iterator_t BOOST_RANGE_UNUSED; |
41 | |
42 | test_append( |
43 | std::rotate_copy(cont.begin(), where_it, cont.end(), |
44 | std::back_inserter(reference)), |
45 | value_type() |
46 | ); |
47 | |
48 | test_append( |
49 | boost::rotate_copy(cont, where_it, std::back_inserter(test)), |
50 | value_type() |
51 | ); |
52 | |
53 | BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(), |
54 | test.begin(), test.end() ); |
55 | |
56 | test.clear(); |
57 | |
58 | test_append( |
59 | boost::rotate_copy(boost::make_iterator_range(cont), where_it, |
60 | std::back_inserter(test)), |
61 | value_type() |
62 | ); |
63 | |
64 | BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(), |
65 | test.begin(), test.end() ); |
66 | } |
67 | |
68 | template<class Container> |
69 | void test_rotate_copy_impl(Container& cont) |
70 | { |
71 | typedef BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type iterator_t; |
72 | |
73 | iterator_t last = cont.end(); |
74 | for (iterator_t it = cont.begin(); it != last; ++it) |
75 | { |
76 | test_rotate_copy_impl(cont, it); |
77 | } |
78 | } |
79 | |
80 | template<class Container> |
81 | void test_rotate_copy_impl() |
82 | { |
83 | using namespace boost::assign; |
84 | |
85 | Container cont; |
86 | test_rotate_copy_impl(cont); |
87 | |
88 | cont.clear(); |
89 | cont += 1; |
90 | test_rotate_copy_impl(cont); |
91 | |
92 | cont.clear(); |
93 | cont += 1,2,3,4,5,6,7,8,9; |
94 | test_rotate_copy_impl(cont); |
95 | } |
96 | |
97 | void test_rotate_copy() |
98 | { |
99 | test_rotate_copy_impl< std::vector<int> >(); |
100 | test_rotate_copy_impl< std::list<int> >(); |
101 | test_rotate_copy_impl< std::deque<int> >(); |
102 | } |
103 | } |
104 | |
105 | boost::unit_test::test_suite* |
106 | init_unit_test_suite(int argc, char* argv[]) |
107 | { |
108 | boost::unit_test::test_suite* test |
109 | = BOOST_TEST_SUITE( "RangeTestSuite.algorithm.rotate_copy" ); |
110 | |
111 | test->add( BOOST_TEST_CASE( &test_rotate_copy ) ); |
112 | |
113 | return test; |
114 | } |
115 | |