Boost.RangeEx merged into Boost.Range

[SVN r60897]
2010-03-28 16:08:35 +00:00
parent 1461479a17
commit b0d1db7c2e
471 changed files with 48610 additions and 2065 deletions
--- a/test/algorithm_test/nth_element.cpp
+++ b/test/algorithm_test/nth_element.cpp
@ -0,0 +1,149 @@
+//  Copyright Neil Groves 2009. Use, modification and
+//  distribution is subject to the Boost Software License, Version
+//  1.0. (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+//
+//
+// For more information, see http://www.boost.org/libs/range/
+//
+#include <boost/range/algorithm/nth_element.hpp>
+
+#include <boost/test/test_tools.hpp>
+#include <boost/test/unit_test.hpp>
+
+#include <boost/assign.hpp>
+#include <boost/bind.hpp>
+#include <algorithm>
+#include <functional>
+#include <list>
+#include <numeric>
+#include <deque>
+#include <vector>
+
+namespace boost
+{
+    namespace
+    {
+        struct nth_element_policy
+        {
+            template<class Container, class Iterator>
+            void test_nth_element(Container& cont, Iterator mid)
+            {
+                boost::nth_element(cont, mid);
+            }
+
+            template<class Container, class Iterator>
+            void reference_nth_element(Container& cont, Iterator mid)
+            {
+                std::nth_element(cont.begin(), mid, cont.end());
+            }
+        };
+
+        template<class BinaryPredicate>
+        struct nth_element_pred_policy
+        {
+            template<class Container, class Iterator>
+            void test_nth_element(Container& cont, Iterator mid)
+            {
+                boost::nth_element(cont, mid, BinaryPredicate());
+            }
+
+            template<class Container, class Iterator>
+            void reference_nth_element(Container& cont, Iterator mid)
+            {
+                std::nth_element(cont.begin(), mid, cont.end(), BinaryPredicate());
+            }
+        };
+
+        template<class Container, class TestPolicy>
+        void test_nth_element_tp_impl(Container& cont, TestPolicy policy)
+        {
+            Container reference(cont);
+            Container test(cont);
+
+            typedef BOOST_DEDUCED_TYPENAME range_iterator<Container>::type iterator_t;
+
+            BOOST_CHECK_EQUAL( reference.size(), test.size() );
+            if (reference.size() != test.size())
+                return;
+
+            iterator_t reference_mid = reference.begin();
+            iterator_t test_mid = test.begin();
+
+            bool complete = false;
+            while (!complete)
+            {
+                if (reference_mid == reference.end())
+                    complete = true;
+
+                policy.test_nth_element(test, test_mid);
+                policy.reference_nth_element(reference, reference_mid);
+
+                BOOST_CHECK_EQUAL_COLLECTIONS(
+                    reference.begin(), reference.end(),
+                    test.begin(), test.end()
+                    );
+
+                if (reference_mid != reference.end())
+                {
+                    ++reference_mid;
+                    ++test_mid;
+                }
+            }
+        }
+
+        template<class Container>
+        void test_nth_element_impl(Container& cont)
+        {
+            test_nth_element_tp_impl(cont, nth_element_policy());
+        }
+
+        template<class Container, class BinaryPredicate>
+        void test_nth_element_impl(Container& cont, BinaryPredicate pred)
+        {
+            test_nth_element_tp_impl(cont, nth_element_pred_policy<BinaryPredicate>());
+        }
+
+        template<class Container>
+        void run_tests(Container& cont)
+        {
+            test_nth_element_impl(cont);
+            test_nth_element_impl(cont, std::less<int>());
+            test_nth_element_impl(cont, std::greater<int>());
+        }
+
+        template<class Container>
+        void test_nth_element_impl()
+        {
+            using namespace boost::assign;
+
+            Container cont;
+            run_tests(cont);
+
+            cont.clear();
+            cont += 1;
+            run_tests(cont);
+
+            cont.clear();
+            cont += 1,2,3,4,5,6,7,8,9;
+            run_tests(cont);
+        }
+
+        void test_nth_element()
+        {
+            test_nth_element_impl< std::vector<int> >();
+            test_nth_element_impl< std::deque<int> >();
+        }
+    }
+}
+
+boost::unit_test::test_suite*
+init_unit_test_suite(int argc, char* argv[])
+{
+    boost::unit_test::test_suite* test
+        = BOOST_TEST_SUITE( "RangeTestSuite.algorithm.nth_element" );
+
+    test->add( BOOST_TEST_CASE( &boost::test_nth_element ) );
+
+    return test;
+}