--- jsr166/src/test/tck/SynchronousQueueTest.java	2011/12/08 19:09:58	1.41
+++ jsr166/src/test/tck/SynchronousQueueTest.java	2014/11/23 22:27:06	1.42
@@ -606,4 +606,13 @@ public class SynchronousQueueTest extend
         awaitTermination(t2);
     }
 
+    /**
+     * remove(null), contains(null) always return false
+     */
+    public void testNeverContainsNull() {
+        Collection<?> q = new SynchronousQueue();
+        assertFalse(q.contains(null));
+        assertFalse(q.remove(null));
+    }
+
 }