1 // Copyright Neil Groves 2009. Use, modification and
2 // distribution is subject to the Boost Software License, Version
3 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
4 // http://www.boost.org/LICENSE_1_0.txt)
7 // For more information, see http://www.boost.org/libs/range/
9 #include <boost/range/algorithm/partition.hpp>
11 #include <boost/test/test_tools.hpp>
12 #include <boost/test/unit_test.hpp>
14 #include <boost/assign.hpp>
15 #include "../test_driver/range_return_test_driver.hpp"
23 namespace boost_range_test_algorithm_partition
27 typedef bool result_type
;
28 typedef int argument_type
;
29 bool operator()(int x
) const { return x
== 5; }
32 // test the 'partition' algorithm
33 template<class UnaryPredicate
>
34 class partition_test_policy
37 template< class Container
>
38 BOOST_DEDUCED_TYPENAME
boost::range_iterator
<Container
>::type
39 test_iter(Container
& cont
)
41 typedef BOOST_DEDUCED_TYPENAME
boost::range_iterator
<Container
>::type iter_t
;
43 const Container
old_cont(cont
);
44 Container
cont2(old_cont
);
45 iter_t result
= boost::partition(cont
, UnaryPredicate());
47 boost::partition(cont2
, UnaryPredicate());
50 boost::make_iterator_range(cont2
), UnaryPredicate());
52 BOOST_CHECK_EQUAL_COLLECTIONS( cont
.begin(), cont
.end(),
53 cont2
.begin(), cont2
.end() );
58 UnaryPredicate
pred() const { return UnaryPredicate(); }
60 template< boost::range_return_value return_type
>
63 template< class Container
, class Policy
>
64 BOOST_DEDUCED_TYPENAME
boost::range_return
<Container
,return_type
>::type
65 operator()(Policy
& policy
, Container
& cont
)
67 typedef BOOST_DEDUCED_TYPENAME
boost::range_return
<Container
,return_type
>::type result_t
;
69 const Container
old_cont(cont
);
70 Container
cont2(old_cont
);
71 result_t result
= boost::partition
<return_type
>(cont
, policy
.pred());
73 // Test that operation a temporary created by using
74 // make_iterator_range.
75 boost::partition
<return_type
>(
76 boost::make_iterator_range(cont2
), policy
.pred());
78 BOOST_CHECK_EQUAL_COLLECTIONS( cont
.begin(), cont
.end(),
79 cont2
.begin(), cont2
.end() );
85 template< class Container
>
86 BOOST_DEDUCED_TYPENAME
boost::range_iterator
<Container
>::type
87 reference(Container
& cont
)
89 return std::partition(cont
.begin(), cont
.end(), UnaryPredicate());
93 template<class Container
>
94 void test_partition_impl()
96 using namespace boost::assign
;
98 boost::range_test::range_return_test_driver test_driver
;
100 partition_test_policy
< equal_to_5
> policy
;
103 test_driver(cont
, policy
);
107 test_driver(cont
, policy
);
110 cont
+= 1,2,2,2,2,2,3,4,5,6,7,8,9;
111 test_driver(cont
, policy
);
114 cont
+= 1,2,2,2,2,2,3,3,3,3,4,4,4,4,4,4,4,5,6,7,8,9;
115 test_driver(cont
, policy
);
118 void test_partition()
120 test_partition_impl
< std::vector
<int> >();
121 test_partition_impl
< std::list
<int> >();
122 test_partition_impl
< std::deque
<int> >();
126 boost::unit_test::test_suite
*
127 init_unit_test_suite(int argc
, char* argv
[])
129 boost::unit_test::test_suite
* test
130 = BOOST_TEST_SUITE( "RangeTestSuite.algorithm.partition" );
132 test
->add( BOOST_TEST_CASE( &boost_range_test_algorithm_partition::test_partition
) );