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/count_if.hpp> |
12 | |
13 | #include <boost/test/test_tools.hpp> |
14 | #include <boost/test/unit_test.hpp> |
15 | |
16 | #include <boost/assign.hpp> |
17 | #include "../test_function/false_predicate.hpp" |
18 | #include "../test_function/true_predicate.hpp" |
19 | #include "../test_function/equal_to_x.hpp" |
20 | #include <algorithm> |
21 | #include <list> |
22 | #include <set> |
23 | #include <vector> |
24 | |
25 | namespace boost |
26 | { |
27 | namespace |
28 | { |
29 | template< class Container > |
30 | void test_count_if_impl() |
31 | { |
32 | using namespace boost::range_test_function; |
33 | using namespace boost::assign; |
34 | |
35 | typedef equal_to_x<int> pred_t; |
36 | typedef BOOST_DEDUCED_TYPENAME std::iterator_traits<BOOST_DEDUCED_TYPENAME Container::iterator>::difference_type diff_t; |
37 | |
38 | Container cont; |
39 | const Container& cref_cont = cont; |
40 | |
41 | BOOST_CHECK_EQUAL( 0u, boost::count_if(cont, pred_t(0)) ); |
42 | BOOST_CHECK_EQUAL( 0u, boost::count_if(cref_cont, pred_t(0)) ); |
43 | BOOST_CHECK_EQUAL( 0u, boost::count_if(boost::make_iterator_range(cont), pred_t(0)) ); |
44 | |
45 | cont += 1; |
46 | BOOST_CHECK_EQUAL( 0u, boost::count_if(cont, pred_t(0)) ); |
47 | BOOST_CHECK_EQUAL( 0u, boost::count_if(cref_cont, pred_t(0)) ); |
48 | BOOST_CHECK_EQUAL( 0u, boost::count_if(boost::make_iterator_range(cont), pred_t(0)) ); |
49 | BOOST_CHECK_EQUAL( 1u, boost::count_if(cont, pred_t(1)) ); |
50 | BOOST_CHECK_EQUAL( 1u, boost::count_if(cref_cont, pred_t(1)) ); |
51 | BOOST_CHECK_EQUAL( 1u, boost::count_if(boost::make_iterator_range(cont), pred_t(1)) ); |
52 | |
53 | cont += 2,3,4,5,6,7,8,9; |
54 | BOOST_CHECK_EQUAL( 0u, boost::count_if(cont, pred_t(0)) ); |
55 | BOOST_CHECK_EQUAL( 0u, boost::count_if(cref_cont, pred_t(0)) ); |
56 | BOOST_CHECK_EQUAL( 0u, boost::count_if(boost::make_iterator_range(cont), pred_t(0)) ); |
57 | BOOST_CHECK_EQUAL( 1u, boost::count_if(cont, pred_t(1)) ); |
58 | BOOST_CHECK_EQUAL( 1u, boost::count_if(cref_cont, pred_t(1)) ); |
59 | BOOST_CHECK_EQUAL( 1u, boost::count_if(boost::make_iterator_range(cont), pred_t(1)) ); |
60 | |
61 | cont += 2; |
62 | BOOST_CHECK_EQUAL( 0u, boost::count_if(cont, pred_t(0)) ); |
63 | BOOST_CHECK_EQUAL( 0u, boost::count_if(cref_cont, pred_t(0)) ); |
64 | BOOST_CHECK_EQUAL( 0u, boost::count_if(boost::make_iterator_range(cont), pred_t(0)) ); |
65 | BOOST_CHECK_EQUAL( 1u, boost::count_if(cont, pred_t(1)) ); |
66 | BOOST_CHECK_EQUAL( 1u, boost::count_if(cref_cont, pred_t(1)) ); |
67 | BOOST_CHECK_EQUAL( 1u, boost::count_if(boost::make_iterator_range(cont), pred_t(1)) ); |
68 | BOOST_CHECK_EQUAL( 2u, boost::count_if(cont, pred_t(2)) ); |
69 | BOOST_CHECK_EQUAL( 2u, boost::count_if(cref_cont, pred_t(2)) ); |
70 | BOOST_CHECK_EQUAL( 2u, boost::count_if(boost::make_iterator_range(cont), pred_t(2)) ); |
71 | |
72 | BOOST_CHECK_EQUAL( 0u, boost::count_if(cont, false_predicate()) ); |
73 | BOOST_CHECK_EQUAL( 0u, boost::count_if(cref_cont, false_predicate()) ); |
74 | BOOST_CHECK_EQUAL( 0u, boost::count_if(boost::make_iterator_range(cont), false_predicate()) ); |
75 | |
76 | BOOST_CHECK_EQUAL( static_cast<diff_t>(cont.size()), boost::count_if(cont, true_predicate()) ); |
77 | BOOST_CHECK_EQUAL( static_cast<diff_t>(cont.size()), boost::count_if(cref_cont, true_predicate()) ); |
78 | BOOST_CHECK_EQUAL( static_cast<diff_t>(cont.size()), boost::count_if(boost::make_iterator_range(cont), true_predicate()) ); |
79 | } |
80 | |
81 | void test_count_if() |
82 | { |
83 | test_count_if_impl< std::vector<int> >(); |
84 | test_count_if_impl< std::list<int> >(); |
85 | test_count_if_impl< std::multiset<int> >(); |
86 | } |
87 | } |
88 | } |
89 | |
90 | |
91 | boost::unit_test::test_suite* |
92 | init_unit_test_suite(int argc, char* argv[]) |
93 | { |
94 | boost::unit_test::test_suite* test |
95 | = BOOST_TEST_SUITE( "RangeTestSuite.algorithm.count_if" ); |
96 | |
97 | test->add( BOOST_TEST_CASE( &boost::test_count_if ) ); |
98 | |
99 | return test; |
100 | } |
101 | |