Index: src/test/api/java/common/javax/swing/plaf/basic/BasicTextAreaUITest.java =================================================================== --- src/test/api/java/common/javax/swing/plaf/basic/BasicTextAreaUITest.java (revision 490924) +++ src/test/api/java/common/javax/swing/plaf/basic/BasicTextAreaUITest.java (working copy) @@ -96,6 +96,13 @@ assertTrue(ui.create(elem) instanceof PlainView); jta.setLineWrap(true); assertTrue(ui.create(elem) instanceof WrappedPlainView); + + try { + new BasicTextAreaUI().create(null); + fail("NPE should be thrown"); + } catch (NullPointerException npe) { + // PASSED + } } public void testGetPropertyPrefix() {