Index: src/test/api/java/common/javax/swing/JLayeredPaneTest.java =================================================================== --- src/test/api/java/common/javax/swing/JLayeredPaneTest.java (revision 490282) +++ src/test/api/java/common/javax/swing/JLayeredPaneTest.java (working copy) @@ -268,6 +268,14 @@ assertEquals(2, layered.getIndexOf(c5_0)); layered.setPosition(c5_0, 1); assertEquals(1, layered.getIndexOf(c5_0)); + + try { + JLayeredPane lp = new JLayeredPane(); + lp.setPosition(null, 20); + fail("NPE should not be thrown"); + } catch (NullPointerException npe) { + // PASSED + } } /*