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/remove_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 <boost/bind/bind.hpp>
18 #include <algorithm>
19 #include <functional>
20 #include <list>
21 #include <numeric>
22 #include <deque>
23 #include <vector>
24
25 namespace boost
26 {
27 namespace
28 {
29 template< class Container, class UnaryPredicate >
test_remove_if_impl(const Container & c,UnaryPredicate pred)30 void test_remove_if_impl( const Container& c, UnaryPredicate pred )
31 {
32 Container reference(c);
33
34 typedef BOOST_DEDUCED_TYPENAME Container::iterator iterator_t;
35
36 iterator_t reference_it
37 = std::remove_if(reference.begin(), reference.end(), pred);
38
39 Container test(c);
40 iterator_t test_it = boost::remove_if(test, pred);
41
42 BOOST_CHECK_EQUAL( std::distance(test.begin(), test_it),
43 std::distance(reference.begin(), reference_it) );
44
45 BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(),
46 test.begin(), test.end() );
47
48 Container test2(c);
49 iterator_t test_it2 = boost::remove_if(
50 boost::make_iterator_range(test2), pred);
51
52 BOOST_CHECK_EQUAL( std::distance(test2.begin(), test_it2),
53 std::distance(reference.begin(), reference_it) );
54
55 BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(),
56 test2.begin(), test2.end() );
57 }
58
59 template< class Container >
test_remove_if_(const Container & c,int to_remove)60 void test_remove_if_( const Container& c, int to_remove )
61 {
62 using namespace boost::placeholders;
63
64 test_remove_if_impl(c, boost::bind(std::equal_to<int>(), _1, to_remove));
65 test_remove_if_impl(c, boost::bind(std::not_equal_to<int>(), _1, to_remove));
66 }
67
68 template< class Container >
test_remove_if_impl()69 void test_remove_if_impl()
70 {
71 using namespace boost::assign;
72
73 Container cont;
74 test_remove_if_(cont, 0);
75
76 cont.clear();
77 cont += 1;
78 test_remove_if_(cont, 0);
79 test_remove_if_(cont, 1);
80
81 cont.clear();
82 cont += 1,1,1,1,1;
83 test_remove_if_(cont, 0);
84 test_remove_if_(cont, 1);
85
86 cont.clear();
87 cont += 1,2,3,4,5,6,7,8,9;
88 test_remove_if_(cont, 1);
89 test_remove_if_(cont, 9);
90 test_remove_if_(cont, 4);
91 }
92
test_remove_if()93 inline void test_remove_if()
94 {
95 test_remove_if_impl< std::vector<int> >();
96 test_remove_if_impl< std::list<int> >();
97 test_remove_if_impl< std::deque<int> >();
98 }
99 }
100 }
101
102 boost::unit_test::test_suite*
init_unit_test_suite(int argc,char * argv[])103 init_unit_test_suite(int argc, char* argv[])
104 {
105 boost::unit_test::test_suite* test
106 = BOOST_TEST_SUITE( "RangeTestSuite.algorithm.remove_if" );
107
108 test->add( BOOST_TEST_CASE( &boost::test_remove_if ) );
109
110 return test;
111 }
112