Index: api/java/common/javax/swing/plaf/basic/BasicComboBoxUITest.java =================================================================== --- api/java/common/javax/swing/plaf/basic/BasicComboBoxUITest.java (revision 453197) +++ api/java/common/javax/swing/plaf/basic/BasicComboBoxUITest.java (working copy) @@ -508,6 +508,13 @@ assertEquals(newRenderer, ui.popup.getList().getCellRenderer()); } + + public void testRemove_NullEditor() throws Exception{ + // Regression test for Harmony-1749 + BasicComboBoxUI cb = new BasicComboBoxUI(); + cb.removeEditor(); + } + private void createVisibleCombo() { frame.getContentPane().add(comboBox); frame.show();