1 | // Boost.Range library |
2 | // |
3 | // Copyright Neil Groves 2009. Use, modification and |
4 | // distribution is subject to the Boost Software License, Version |
5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
6 | // http://www.boost.org/LICENSE_1_0.txt) |
7 | // |
8 | // |
9 | // For more information, see http://www.boost.org/libs/range/ |
10 | // |
11 | #include <boost/range/algorithm/unique_copy.hpp> |
12 | |
13 | #include <boost/test/test_tools.hpp> |
14 | #include <boost/test/unit_test.hpp> |
15 | |
16 | #include <boost/assign.hpp> |
17 | #include <algorithm> |
18 | #include <functional> |
19 | #include <list> |
20 | #include <numeric> |
21 | #include <deque> |
22 | #include <vector> |
23 | |
24 | namespace |
25 | { |
26 | template<class OutputIterator, class Value> |
27 | void test_append(OutputIterator target, Value value) |
28 | { |
29 | *target++ = value; |
30 | } |
31 | |
32 | template<class Container> |
33 | void test_unique_copy_impl(Container& c) |
34 | { |
35 | typedef BOOST_DEDUCED_TYPENAME boost::range_value<Container>::type value_type; |
36 | std::vector<value_type> reference; |
37 | std::vector<value_type> test; |
38 | |
39 | test_append( |
40 | std::unique_copy(c.begin(), c.end(), std::back_inserter(reference)), |
41 | value_type() |
42 | ); |
43 | |
44 | test_append( |
45 | boost::unique_copy(c, std::back_inserter(test)), |
46 | value_type() |
47 | ); |
48 | |
49 | BOOST_CHECK_EQUAL_COLLECTIONS(reference.begin(), reference.end(), |
50 | test.begin(), test.end()); |
51 | |
52 | test.clear(); |
53 | |
54 | test_append( |
55 | boost::unique_copy(boost::make_iterator_range(c), |
56 | std::back_inserter(test)), |
57 | value_type() |
58 | ); |
59 | |
60 | BOOST_CHECK_EQUAL_COLLECTIONS(reference.begin(), reference.end(), |
61 | test.begin(), test.end()); |
62 | } |
63 | |
64 | template<class Container, class Pred> |
65 | void test_unique_copy_impl(Container& c, Pred pred) |
66 | { |
67 | typedef BOOST_DEDUCED_TYPENAME boost::range_value<Container>::type value_type; |
68 | std::vector<value_type> reference; |
69 | std::vector<value_type> test; |
70 | |
71 | test_append( |
72 | std::unique_copy(c.begin(), c.end(), std::back_inserter(reference), pred), |
73 | value_type() |
74 | ); |
75 | |
76 | test_append( |
77 | boost::unique_copy(c, std::back_inserter(test), pred), |
78 | value_type() |
79 | ); |
80 | |
81 | BOOST_CHECK_EQUAL_COLLECTIONS(reference.begin(), reference.end(), |
82 | test.begin(), test.end()); |
83 | |
84 | test.clear(); |
85 | |
86 | test_append( |
87 | boost::unique_copy(boost::make_iterator_range(c), |
88 | std::back_inserter(test), pred), |
89 | value_type() |
90 | ); |
91 | |
92 | BOOST_CHECK_EQUAL_COLLECTIONS(reference.begin(), reference.end(), |
93 | test.begin(), test.end()); |
94 | } |
95 | |
96 | template<class Container, class Pred> |
97 | void test_unique_copy_driver(Pred pred) |
98 | { |
99 | using namespace boost::assign; |
100 | |
101 | typedef BOOST_DEDUCED_TYPENAME Container::value_type value_t; |
102 | |
103 | Container cont; |
104 | |
105 | test_unique_copy_impl(cont); |
106 | test_unique_copy_impl(cont, pred); |
107 | |
108 | cont.clear(); |
109 | cont += 1; |
110 | |
111 | std::vector<value_t> temp(cont.begin(), cont.end()); |
112 | std::sort(temp.begin(), temp.end()); |
113 | cont.assign(temp.begin(), temp.end()); |
114 | test_unique_copy_impl(cont); |
115 | |
116 | std::sort(temp.begin(), temp.end(), pred); |
117 | cont.assign(temp.begin(), temp.end()); |
118 | test_unique_copy_impl(cont, pred); |
119 | |
120 | cont.clear(); |
121 | cont += 1,2,2,2,2,3,4,5,6,7,8,9; |
122 | |
123 | temp.assign(cont.begin(), cont.end()); |
124 | std::sort(temp.begin(), temp.end()); |
125 | cont.assign(temp.begin(), temp.end()); |
126 | test_unique_copy_impl(cont); |
127 | |
128 | std::sort(temp.begin(), temp.end(), pred); |
129 | cont.assign(temp.begin(), temp.end()); |
130 | test_unique_copy_impl(cont, pred); |
131 | } |
132 | |
133 | template<class Container> |
134 | void test_unique_copy_impl() |
135 | { |
136 | test_unique_copy_driver<Container>(std::less<int>()); |
137 | test_unique_copy_driver<Container>(std::greater<int>()); |
138 | } |
139 | |
140 | void test_unique_copy() |
141 | { |
142 | test_unique_copy_impl< std::vector<int> >(); |
143 | test_unique_copy_impl< std::list<int> >(); |
144 | test_unique_copy_impl< std::deque<int> >(); |
145 | } |
146 | } |
147 | |
148 | boost::unit_test::test_suite* |
149 | init_unit_test_suite(int argc, char* argv[]) |
150 | { |
151 | boost::unit_test::test_suite* test |
152 | = BOOST_TEST_SUITE( "RangeTestSuite.algorithm.unique_copy" ); |
153 | |
154 | test->add( BOOST_TEST_CASE( &test_unique_copy ) ); |
155 | |
156 | return test; |
157 | } |
158 | |