[boost][range] - Ticket 5486 - Removal of unnecessary variables from adjacent_filtered_range. This removes the requirement for the predicate to be default constructible.

[SVN r72102]

include/boost/range/adaptor/adjacent_filtered.hpp

@@ -143,10 +143,6 @@ namespace boost
                          skip_iter(boost::end(r), boost::end(r), p))
             {
             }
-
-        private:
-            P m_pred;
-            R* m_range;
         };
 
         template< class T >

test/Jamfile.v2

@@ -156,6 +156,7 @@ test-suite range :
 	[ range-test std_container ]
 	[ range-test string ]
 	[ range-test sub_range ]
+	[ range-test ticket_5486 ]
 	[ range-test ticket_5544_terminate_irange ]
 	[ range-test ticket_5556_is_sorted_namespace ]
     ;

test/ticket_5486.cpp

@@ -0,0 +1,56 @@
+// Boost.Range library
+//
+//  Copyright Neil Groves 2011. 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/adaptor/adjacent_filtered.hpp>
+#include <boost/range/algorithm_ext/push_back.hpp>
+
+#include <boost/test/test_tools.hpp>
+#include <boost/test/unit_test.hpp>
+
+#include <functional>
+#include <vector>
+
+namespace boost
+{
+    namespace
+    {
+        class TestTicket5486Pred
+            : public std::binary_function<int,int,bool>
+        {
+        public:
+            explicit TestTicket5486Pred(int x) {}
+            bool operator()(int,int) const { return true; }
+        private:
+            TestTicket5486Pred();
+        };
+    
+        // Ticket 5486 - pertained to predicates erroneous
+        // requiring default construction
+        void test_ticket_5486()
+        {
+            std::vector<int> v;
+            boost::push_back(v, v | boost::adaptors::adjacent_filtered(TestTicket5486Pred(1)));
+            
+            BOOST_CHECK_EQUAL_COLLECTIONS( v.begin(), v.end(),
+                                           v.begin(), v.end() );
+        }
+    }
+}
+
+boost::unit_test::test_suite*
+init_unit_test_suite(int argc, char* argv[])
+{
+    boost::unit_test::test_suite* test
+        = BOOST_TEST_SUITE( "RangeTestSuite.ticket_5486" );
+
+    test->add( BOOST_TEST_CASE( &boost::test_ticket_5486 ) );
+
+    return test;
+}