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/adaptor/sliced.hpp> |
12 | |
13 | #include <boost/test/test_tools.hpp> |
14 | #include <boost/test/unit_test.hpp> |
15 | |
16 | #include <boost/assign.hpp> |
17 | #include <boost/range/algorithm_ext.hpp> |
18 | |
19 | #include <algorithm> |
20 | #include <deque> |
21 | #include <vector> |
22 | |
23 | namespace boost |
24 | { |
25 | namespace |
26 | { |
27 | template< class Container > |
28 | void sliced_test_impl( Container& c ) |
29 | { |
30 | using namespace boost::adaptors; |
31 | |
32 | typedef BOOST_DEDUCED_TYPENAME Container::value_type value_t; |
33 | |
34 | std::vector< value_t > test_result1; |
35 | boost::push_back(test_result1, c | sliced(0u,c.size())); |
36 | |
37 | BOOST_CHECK_EQUAL_COLLECTIONS( test_result1.begin(), test_result1.end(), |
38 | c.begin(), c.end() ); |
39 | |
40 | std::vector< value_t > test_alt_result1; |
41 | boost::push_back(test_alt_result1, adaptors::slice(c, 0u, c.size())); |
42 | BOOST_CHECK_EQUAL_COLLECTIONS( test_alt_result1.begin(), test_alt_result1.end(), |
43 | c.begin(), c.end() ); |
44 | |
45 | BOOST_CHECK( boost::empty(c | sliced(0u, 0u)) ); |
46 | |
47 | const std::size_t half_count = c.size() / 2u; |
48 | if (half_count > 0u) |
49 | { |
50 | std::vector< value_t > test_result2; |
51 | boost::push_back(test_result2, c | sliced(0u, half_count)); |
52 | |
53 | BOOST_CHECK_EQUAL_COLLECTIONS( test_result2.begin(), test_result2.end(), |
54 | c.begin(), c.begin() + half_count ); |
55 | |
56 | std::vector< value_t > test_alt_result2; |
57 | boost::push_back(test_alt_result2, adaptors::slice(c, 0u, half_count)); |
58 | BOOST_CHECK_EQUAL_COLLECTIONS( test_alt_result2.begin(), test_alt_result2.end(), |
59 | c.begin(), c.begin() + half_count ); |
60 | } |
61 | } |
62 | |
63 | template< class Container > |
64 | void sliced_test_impl() |
65 | { |
66 | using namespace boost::assign; |
67 | |
68 | Container c; |
69 | |
70 | // Test empty |
71 | sliced_test_impl(c); |
72 | |
73 | // Test one element |
74 | c += 1; |
75 | sliced_test_impl(c); |
76 | |
77 | // Test many elements |
78 | c += 1,1,1,2,2,3,4,5,6,6,6,7,8,9; |
79 | sliced_test_impl(c); |
80 | } |
81 | |
82 | void sliced_test() |
83 | { |
84 | sliced_test_impl< std::vector< int > >(); |
85 | sliced_test_impl< std::deque< int > >(); |
86 | } |
87 | } |
88 | } |
89 | |
90 | boost::unit_test::test_suite* |
91 | init_unit_test_suite(int argc, char* argv[]) |
92 | { |
93 | boost::unit_test::test_suite* test |
94 | = BOOST_TEST_SUITE( "RangeTestSuite.adaptor.sliced" ); |
95 | |
96 | test->add( BOOST_TEST_CASE( &boost::sliced_test ) ); |
97 | |
98 | return test; |
99 | } |
100 | |