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_copy_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
26 {
27 template< class Iterator, class Value >
test_append(Iterator target,Value value)28 void test_append(Iterator target, Value value)
29 {
30 *target++ = value;
31 }
32
33 template< class Container, class UnaryPredicate >
test_remove_copy_if_impl(const Container & c,UnaryPredicate pred)34 void test_remove_copy_if_impl( const Container& c, UnaryPredicate pred )
35 {
36 typedef BOOST_DEDUCED_TYPENAME boost::range_value<const Container>::type value_type;
37 std::vector<value_type> reference;
38
39 test_append(
40 std::remove_copy_if(c.begin(), c.end(), std::back_inserter(reference), pred),
41 value_type()
42 );
43
44 std::vector<value_type> test;
45 test_append(
46 boost::remove_copy_if(c, std::back_inserter(test), pred),
47 value_type()
48 );
49
50 BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(),
51 test.begin(), test.end() );
52
53 std::vector<value_type> test2;
54 test_append(
55 boost::remove_copy_if(boost::make_iterator_range(c),
56 std::back_inserter(test2), pred),
57 value_type()
58 );
59
60 BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(),
61 test2.begin(), test2.end() );
62 }
63
64 template< class Container >
test_remove_copy_if_(const Container & c,int to_remove)65 void test_remove_copy_if_( const Container& c, int to_remove )
66 {
67 using namespace boost::placeholders;
68
69 test_remove_copy_if_impl(c, boost::bind(std::equal_to<int>(), _1, to_remove));
70 test_remove_copy_if_impl(c, boost::bind(std::not_equal_to<int>(), _1, to_remove));
71 }
72
73 template< class Container >
test_remove_copy_if_impl()74 void test_remove_copy_if_impl()
75 {
76 using namespace boost::assign;
77
78 Container cont;
79 test_remove_copy_if_(cont, 0);
80
81 cont.clear();
82 cont += 1;
83 test_remove_copy_if_(cont, 0);
84 test_remove_copy_if_(cont, 1);
85
86 cont.clear();
87 cont += 1,1,1,1,1;
88 test_remove_copy_if_(cont, 0);
89 test_remove_copy_if_(cont, 1);
90
91 cont.clear();
92 cont += 1,2,3,4,5,6,7,8,9;
93 test_remove_copy_if_(cont, 1);
94 test_remove_copy_if_(cont, 9);
95 test_remove_copy_if_(cont, 4);
96 }
97
test_remove_copy_if()98 inline void test_remove_copy_if()
99 {
100 test_remove_copy_if_impl< std::vector<int> >();
101 test_remove_copy_if_impl< std::list<int> >();
102 test_remove_copy_if_impl< std::deque<int> >();
103 }
104 }
105
106 boost::unit_test::test_suite*
init_unit_test_suite(int argc,char * argv[])107 init_unit_test_suite(int argc, char* argv[])
108 {
109 boost::unit_test::test_suite* test
110 = BOOST_TEST_SUITE( "RangeTestSuite.algorithm.remove_copy_if" );
111
112 test->add( BOOST_TEST_CASE( &test_remove_copy_if ) );
113
114 return test;
115 }
116