--- jsr166/src/test/tck/TreeMapTest.java	2012/02/21 02:04:17	1.25
+++ jsr166/src/test/tck/TreeMapTest.java	2013/05/30 03:28:55	1.27
@@ -41,7 +41,7 @@ public class TreeMapTest extends JSR166T
     }
 
     /**
-     *
+     * copy constructor creates map equal to source map
      */
     public void testConstructFromSorted() {
         TreeMap map = map5();
@@ -600,7 +600,7 @@ public class TreeMapTest extends JSR166T
         NavigableMap x = map5();
         NavigableMap y = serialClone(x);
 
-        assertTrue(x != y);
+        assertNotSame(x, y);
         assertEquals(x.size(), y.size());
         assertEquals(x.toString(), y.toString());
         assertEquals(x, y);