Index: modules/awt/src/test/api/java/common/java/awt/BorderLayoutTest.java =================================================================== --- modules/awt/src/test/api/java/common/java/awt/BorderLayoutTest.java (revision 449668) +++ modules/awt/src/test/api/java/common/java/awt/BorderLayoutTest.java (working copy) @@ -119,6 +119,14 @@ assertTrue(notString); assertTrue(wrongString); assertFalse(oneTwice); + + // Regression test HARMONY-1667 + try { + layout.addLayoutComponent(null, BorderLayout.CENTER); + fail("Expected NPE"); + } catch (NullPointerException e) { + // expected + } } public final void testRemoveLayoutComponent() {