Diff of /jsr166/src/test/tck/LinkedListTest.java

-revision 1.8, Tue Dec 28 16:15:59 2004 UTC
+revision 1.9, Wed Sep 14 23:50:31 2005 UTC
 Line 427
          assertFalse(it.hasNext());
      }
+     /**
+      *  Descending iterator iterates through all elements
+      */
+     public void testDescendingIterator() {
+         LinkedList q = populatedQueue(SIZE);
+         int i = 0;
+         Iterator it = q.descendingIterator();
+         while(it.hasNext()) {
+             assertTrue(q.contains(it.next()));
+             ++i;
+         }
+         assertEquals(i, SIZE);
+         assertFalse(it.hasNext());
+         try {
+             it.next();
+         } catch(NoSuchElementException success) {
+         }
+     }
+     /**
+      *  Descending iterator ordering is reverse FIFO
+      */
+     public void testDescendingIteratorOrdering() {
+         final LinkedList q = new LinkedList();
+         q.add(new Integer(3));
+         q.add(new Integer(2));
+         q.add(new Integer(1));
+         int k = 0;
+         for (Iterator it = q.descendingIterator(); it.hasNext();) {
+             int i = ((Integer)(it.next())).intValue();
+             assertEquals(++k, i);
+         }
+         assertEquals(3, k);
+     }
+     /**
+      * descendingIterator.remove removes current element
+      */
+     public void testDescendingIteratorRemove () {
+         final LinkedList q = new LinkedList();
+         q.add(new Integer(3));
+         q.add(new Integer(2));
+         q.add(new Integer(1));
+         Iterator it = q.descendingIterator();
+         it.next();
+         it.remove();
+         it = q.descendingIterator();
+         assertEquals(it.next(), new Integer(2));
+         assertEquals(it.next(), new Integer(3));
+         assertFalse(it.hasNext());
+     }
      /**
       * toString contains toStrings of elements

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