Index: modules/swing/src/test/api/java/common/javax/swing/text/JTextComponentTest.java =================================================================== --- modules/swing/src/test/api/java/common/javax/swing/text/JTextComponentTest.java (revision 488923) +++ modules/swing/src/test/api/java/common/javax/swing/text/JTextComponentTest.java (working copy) @@ -401,6 +401,12 @@ assertEquals("1321", strOrderFireCaretUpdate); } + // Regression for HARMONY-2819 + public void testFireCaretUpdateNull() throws Exception { + new JTextArea().fireCaretUpdate(null); + // no exception is expected + } + public void testSetGetText() throws Exception { assertTrue(jtc.getText().equals("")); jtc.setText("JTextComponent");