Index: src/test/api/java/common/javax/swing/plaf/basic/BasicFileChooserUITest.java =================================================================== --- src/test/api/java/common/javax/swing/plaf/basic/BasicFileChooserUITest.java (revision 490924) +++ src/test/api/java/common/javax/swing/plaf/basic/BasicFileChooserUITest.java (working copy) @@ -164,4 +164,14 @@ ui.installUI(fc); assertNull(ui.getPreferredSize(fc)); } + + public void testEnsureFileIsVisible() { + try { + BasicFileChooserUI fc = new BasicFileChooserUI(null); + fc.ensureFileIsVisible(new JFileChooser(), new File("a")); + // PASSED + } catch (NullPointerException npe) { + fail("NPE should not be thrown"); + } + } }