--- jsr166/src/test/tck/TreeSetTest.java	2010/11/05 00:17:22	1.18
+++ jsr166/src/test/tck/TreeSetTest.java	2010/11/18 20:21:54	1.19
@@ -280,11 +280,17 @@ public class TreeSetTest extends JSR166T
     public void testRemoveElement() {
         TreeSet q = populatedSet(SIZE);
         for (int i = 1; i < SIZE; i+=2) {
-            assertTrue(q.remove(new Integer(i)));
+            assertTrue(q.contains(i));
+            assertTrue(q.remove(i));
+            assertFalse(q.contains(i));
+            assertTrue(q.contains(i-1));
         }
         for (int i = 0; i < SIZE; i+=2) {
-            assertTrue(q.remove(new Integer(i)));
-            assertFalse(q.remove(new Integer(i+1)));
+            assertTrue(q.contains(i));
+            assertTrue(q.remove(i));
+            assertFalse(q.contains(i));
+            assertFalse(q.remove(i+1));
+            assertFalse(q.contains(i+1));
         }
         assertTrue(q.isEmpty());
     }