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/min_element.hpp>
11 #include <boost/test/test_tools.hpp>
12 #include <boost/test/unit_test.hpp>
14 #include <boost/assign.hpp>
15 #include <boost/range/iterator.hpp>
16 #include "../test_driver/range_return_test_driver.hpp"
24 namespace boost_range_test_algorithm_min_element
26 class min_element_test_policy
29 template< class Container
>
30 BOOST_DEDUCED_TYPENAME
boost::range_iterator
<Container
>::type
31 test_iter(Container
& cont
)
33 typedef BOOST_DEDUCED_TYPENAME
boost::range_iterator
<Container
>::type iter_t
;
34 iter_t result
= boost::min_element(cont
);
35 BOOST_CHECK( result
== boost::min_element(boost::make_iterator_range(cont
)) );
39 template< boost::range_return_value return_type
>
42 template< class Container
, class Policy
>
43 BOOST_DEDUCED_TYPENAME
boost::range_return
<Container
,return_type
>::type
44 operator()(Policy
&, Container
& cont
)
46 typedef BOOST_DEDUCED_TYPENAME
boost::range_return
<Container
,return_type
>::type result_t
;
47 result_t result
= boost::min_element
<return_type
>(cont
);
48 BOOST_CHECK( result
== boost::min_element
<return_type
>(boost::make_iterator_range(cont
)) );
53 template< class Container
>
54 BOOST_DEDUCED_TYPENAME
boost::range_iterator
<Container
>::type
55 reference(Container
& cont
)
57 return std::min_element(cont
.begin(), cont
.end());
62 class min_element_pred_test_policy
65 template< class Container
>
66 BOOST_DEDUCED_TYPENAME
boost::range_iterator
<Container
>::type
67 test_iter(Container
& cont
)
69 typedef BOOST_DEDUCED_TYPENAME
boost::range_iterator
<Container
>::type iter_t
;
70 iter_t result
= boost::min_element(cont
, Pred());
71 BOOST_CHECK( result
== boost::min_element(
72 boost::make_iterator_range(cont
), Pred()) );
76 Pred
pred() const { return Pred(); }
78 template< boost::range_return_value return_type
>
81 template< class Container
, class Policy
>
82 BOOST_DEDUCED_TYPENAME
boost::range_return
<Container
,return_type
>::type
83 operator()(Policy
& policy
, Container
& cont
)
85 typedef BOOST_DEDUCED_TYPENAME
boost::range_return
<Container
,return_type
>::type result_t
;
86 result_t result
= boost::min_element
<return_type
>(cont
, policy
.pred());
87 BOOST_CHECK( result
== boost::min_element
<return_type
>(
88 boost::make_iterator_range(cont
), policy
.pred()) );
93 template< class Container
>
94 BOOST_DEDUCED_TYPENAME
boost::range_iterator
<Container
>::type
95 reference(Container
& cont
)
97 return std::min_element(cont
.begin(), cont
.end(), Pred());
101 template<class Container
, class TestPolicy
>
102 void test_min_element_impl(TestPolicy policy
)
104 using namespace boost::assign
;
106 typedef BOOST_DEDUCED_TYPENAME
Container::value_type
107 value_t BOOST_RANGE_UNUSED
;
109 typedef BOOST_DEDUCED_TYPENAME
boost::remove_const
<Container
>::type
112 boost::range_test::range_return_test_driver test_driver
;
116 test_driver(cont
, policy
);
121 test_driver(cont
, policy
);
124 cont
+= 1,2,2,2,3,4,5,6,7,8,9;
126 test_driver(cont
, policy
);
129 template<class Container
>
130 void test_min_element_impl()
132 test_min_element_impl
<Container
>(min_element_test_policy());
134 test_min_element_impl
<Container
>(
135 min_element_pred_test_policy
<std::less
<int> >());
137 test_min_element_impl
<Container
>(
138 min_element_pred_test_policy
<std::greater
<int> >());
141 void test_min_element()
143 test_min_element_impl
< const std::vector
<int> >();
144 test_min_element_impl
< const std::deque
<int> >();
145 test_min_element_impl
< const std::list
<int> >();
147 test_min_element_impl
< std::vector
<int> >();
148 test_min_element_impl
< std::deque
<int> >();
149 test_min_element_impl
< std::list
<int> >();
153 boost::unit_test::test_suite
*
154 init_unit_test_suite(int argc
, char* argv
[])
156 boost::unit_test::test_suite
* test
157 = BOOST_TEST_SUITE( "RangeTestSuite.algorithm.min_element" );
159 test
->add( BOOST_TEST_CASE( &boost_range_test_algorithm_min_element::test_min_element
) );