--- jsr166/src/test/tck/TreeMapTest.java	2006/04/20 20:35:00	1.4
+++ jsr166/src/test/tck/TreeMapTest.java	2009/11/02 20:28:32	1.6
@@ -11,7 +11,7 @@ import java.io.*;
 
 public class TreeMapTest extends JSR166TestCase {
     public static void main(String[] args) {
-	junit.textui.TestRunner.run (suite());	
+	junit.textui.TestRunner.run (suite());
     }
     public static Test suite() {
 	return new TestSuite(TreeMapTest.class);
@@ -20,7 +20,7 @@ public class TreeMapTest extends JSR166T
     /**
      * Create a map from Integers 1-5 to Strings "A"-"E".
      */
-    private static TreeMap map5() {   
+    private static TreeMap map5() {
 	TreeMap map = new TreeMap();
         assertTrue(map.isEmpty());
 	map.put(one, "A");
@@ -43,7 +43,7 @@ public class TreeMapTest extends JSR166T
     }
 
     /**
-     *  
+     *
      */
     public void testConstructFromSorted() {
         TreeMap map = map5();
@@ -169,11 +169,33 @@ public class TreeMapTest extends JSR166T
         Iterator i = s.iterator();
         Integer last = (Integer)i.next();
         assertEquals(last, one);
+        int count = 1;
         while (i.hasNext()) {
             Integer k = (Integer)i.next();
             assertTrue(last.compareTo(k) < 0);
             last = k;
+            ++count;
         }
+        assertEquals(count ,5);
+    }
+
+    /**
+     * descending iterator of key set is inverse ordered
+     */
+    public void testKeySetDescendingIteratorOrder() {
+        TreeMap map = map5();
+	NavigableSet s = map.navigableKeySet();
+        Iterator i = s.descendingIterator();
+        Integer last = (Integer)i.next();
+        assertEquals(last, five);
+        int count = 1;
+        while (i.hasNext()) {
+            Integer k = (Integer)i.next();
+            assertTrue(last.compareTo(k) > 0);
+            last = k;
+            ++count;
+        }
+        assertEquals(count ,5);
     }
 
     /**
@@ -185,11 +207,33 @@ public class TreeMapTest extends JSR166T
         Iterator i = s.iterator();
         Integer last = (Integer)i.next();
         assertEquals(last, five);
+        int count = 1;
         while (i.hasNext()) {
             Integer k = (Integer)i.next();
             assertTrue(last.compareTo(k) > 0);
             last = k;
+            ++count;
+        }
+        assertEquals(count, 5);
+    }
+
+    /**
+     *  descending iterator of descendingKeySet is ordered
+     */
+    public void testDescendingKeySetDescendingIteratorOrder() {
+        TreeMap map = map5();
+	NavigableSet s = map.descendingKeySet();
+        Iterator i = s.descendingIterator();
+        Integer last = (Integer)i.next();
+        assertEquals(last, one);
+        int count = 1;
+        while (i.hasNext()) {
+            Integer k = (Integer)i.next();
+            assertTrue(last.compareTo(k) < 0);
+            last = k;
+            ++count;
         }
+        assertEquals(count, 5);
     }
 
     /**
@@ -216,7 +260,7 @@ public class TreeMapTest extends JSR166T
         Iterator it = s.iterator();
         while (it.hasNext()) {
             Map.Entry e = (Map.Entry) it.next();
-            assertTrue( 
+            assertTrue(
                        (e.getKey().equals(one) && e.getValue().equals("A")) ||
                        (e.getKey().equals(two) && e.getValue().equals("B")) ||
                        (e.getKey().equals(three) && e.getValue().equals("C")) ||
@@ -235,7 +279,7 @@ public class TreeMapTest extends JSR166T
         Iterator it = s.iterator();
         while (it.hasNext()) {
             Map.Entry e = (Map.Entry) it.next();
-            assertTrue( 
+            assertTrue(
                        (e.getKey().equals(one) && e.getValue().equals("A")) ||
                        (e.getKey().equals(two) && e.getValue().equals("B")) ||
                        (e.getKey().equals(three) && e.getValue().equals("C")) ||
@@ -525,7 +569,7 @@ public class TreeMapTest extends JSR166T
         for (int i = 1; i <= 5; ++i) {
             assertTrue(s.indexOf(String.valueOf(i)) >= 0);
         }
-    }        
+    }
 
     // Exception tests
 
@@ -614,7 +658,7 @@ public class TreeMapTest extends JSR166T
         k = (Integer)(r.next());
         assertEquals(two, k);
         assertFalse(r.hasNext());
-        
+
         Iterator j = sm.keySet().iterator();
         j.next();
         j.remove();
@@ -648,7 +692,7 @@ public class TreeMapTest extends JSR166T
         k = (Integer)(r.next());
         assertEquals(two, k);
         assertFalse(r.hasNext());
-        
+
         Iterator j = sm.keySet().iterator();
         j.next();
         j.remove();
@@ -1058,5 +1102,5 @@ public class TreeMapTest extends JSR166T
     static boolean eq(Integer i, int j) {
         return i == null ? j == -1 : i == j;
     }
-    
+
 }