Index: src/test/api/java/common/javax/swing/plaf/basic/BasicFileChooserUITest.java =================================================================== --- src/test/api/java/common/javax/swing/plaf/basic/BasicFileChooserUITest.java (revision 490131) +++ src/test/api/java/common/javax/swing/plaf/basic/BasicFileChooserUITest.java (working copy) @@ -75,6 +75,17 @@ assertEquals(0, ui.getApproveButtonMnemonic(fc)); } + public void testGetApproveButtonToolTipText() throws Exception { + try { + javax.swing.plaf.basic.BasicFileChooserUI b = + new javax.swing.plaf.basic.BasicFileChooserUI(new JFileChooser("")); + b.getApproveButtonToolTipText(null); + fail("NPE should be thrown"); + } catch (NullPointerException npe) { + // PASSED + } + } + public void testGetModel() throws Exception { ui.installUI(fc); assertNotNull(ui.getModel());