package test
     {
         import org.as3coreaddendum.system.IIndexable;
         import org.as3coreaddendum.system.IPriority;
     
         public class TestIndexablePriority implements IIndexable, IPriority
         {
             private var _index:int;
             private var _name:String;
             private var _priority:int;
     
     
             public function get priority(): int { return _priority; }
     
             public function set priority(value:int): void { _priority = value; }
     
             public function get index(): int { return _index; }
     
             public function set index(value:int): void { _index = value; }
     
             public function TestIndexablePriority(name:String, priority:int, index:int)
             {
                 _name = name;
                 _priority = priority;
                 _index = index;
             }
     
             public function toString(): String
             {
                 return "[TestIndexablePriority " + _name + "]";
             }
         }
     }
     

     import org.as3collections.ISortedQueue;
     import org.as3collections.queues.IndexablePriorityQueue;
     import test.TestIndexablePriority;
     
     var queue1:ISortedQueue = new IndexablePriorityQueue();
     
     var o1:TestIndexablePriority = new TestIndexablePriority("o1", 1, 0);
     var o2:TestIndexablePriority = new TestIndexablePriority("o2", 2, 1);
     var o3:TestIndexablePriority = new TestIndexablePriority("o3", 2, 2);
     var o4:TestIndexablePriority = new TestIndexablePriority("o4", 4, 3);
     
     queue1.offer(o2)            // true
     queue1                      // [[TestIndexablePriority o2]]
     queue1.size()               // 1
     
     queue1.offer(o3)            // true
     queue1                      // [[TestIndexablePriority o2],[TestIndexablePriority o3]]
     queue1.size()               // 2
     
     queue1.offer(o2)            // true
     queue1                      // [[TestIndexablePriority o2],[TestIndexablePriority o2],[TestIndexablePriority o3]]
     
     queue1.offer(o1)            // true
     queue1                      // [[TestIndexablePriority o2],[TestIndexablePriority o2],[TestIndexablePriority o3],[TestIndexablePriority o1]]
     
     queue1.offer(o4)            // true
     queue1                      // [[TestIndexablePriority o4],[TestIndexablePriority o2],[TestIndexablePriority o2],[TestIndexablePriority o3],[TestIndexablePriority o1]]
     
     queue1.offer(1)             // false
     queue1                      // [[TestIndexablePriority o4],[TestIndexablePriority o2],[TestIndexablePriority o2],[TestIndexablePriority o3],[TestIndexablePriority o1]]
     
     queue1.add(1)               // ClassCastError: The element must implement the 'org.as3coreaddendum.system.IPriority' interface. Type received: int