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/stable_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_stable_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 stable_partition_test_policy
37 template< class Container
>
38 BOOST_DEDUCED_TYPENAME
boost::range_iterator
<Container
>::type
39 test_iter(Container
& cont
)
41 Container
cont2(cont
);
43 typedef BOOST_DEDUCED_TYPENAME
boost::range_iterator
<Container
>::type iter_t
;
44 iter_t result
= boost::stable_partition(cont
, UnaryPredicate());
46 iter_t temp_result
= boost::stable_partition(
47 boost::make_iterator_range(cont2
), UnaryPredicate());
49 BOOST_CHECK_EQUAL( std::distance(cont
.begin(), result
),
50 std::distance(cont2
.begin(), temp_result
) );
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
;
68 Container
cont2(cont
);
69 result_t result
= boost::stable_partition
<return_type
>(cont
, policy
.pred());
71 result_t result2
= boost::stable_partition
<return_type
>(
72 boost::make_iterator_range(cont2
), policy
.pred());
74 boost::ignore_unused_variable_warning(result2
);
76 BOOST_CHECK_EQUAL_COLLECTIONS( cont2
.begin(), cont2
.end(),
77 cont
.begin(), cont
.end() );
83 template< class Container
>
84 BOOST_DEDUCED_TYPENAME
boost::range_iterator
<Container
>::type
85 reference(Container
& cont
)
87 return std::stable_partition(cont
.begin(), cont
.end(), UnaryPredicate());
91 template<class Container
>
92 void test_stable_partition_impl()
94 using namespace boost::assign
;
96 boost::range_test::range_return_test_driver test_driver
;
98 stable_partition_test_policy
< equal_to_5
> policy
;
101 test_driver(cont
, policy
);
105 test_driver(cont
, policy
);
108 cont
+= 1,2,2,2,2,2,3,4,5,6,7,8,9;
109 test_driver(cont
, policy
);
112 cont
+= 1,2,2,2,2,2,3,3,3,3,4,4,4,4,4,4,4,5,6,7,8,9;
113 test_driver(cont
, policy
);
116 void test_stable_partition()
118 test_stable_partition_impl
< std::vector
<int> >();
119 test_stable_partition_impl
< std::list
<int> >();
120 test_stable_partition_impl
< std::deque
<int> >();
124 boost::unit_test::test_suite
*
125 init_unit_test_suite(int argc
, char* argv
[])
127 boost::unit_test::test_suite
* test
128 = BOOST_TEST_SUITE( "RangeTestSuite.algorithm.stable_partition" );
130 test
->add( BOOST_TEST_CASE( &boost_range_test_algorithm_stable_partition::test_stable_partition
) );