Index: modules/swing/src/test/api/java/common/javax/swing/text/DefaultCaretTest.java =================================================================== --- modules/swing/src/test/api/java/common/javax/swing/text/DefaultCaretTest.java (revision 488211) +++ modules/swing/src/test/api/java/common/javax/swing/text/DefaultCaretTest.java (working copy) @@ -452,6 +452,12 @@ assertEquals(1, ((ExtJTextArea) jta).flag); } + // Regression for HARMONY-2780 + public void testAdjustVisibilityNull() { + new DefaultCaret().adjustVisibility(null); + // No exception is expected + } + public void testFireStateChanged() { SimpleChangeListenerForFire CHL1 = new SimpleChangeListenerForFire("L1"); SimpleChangeListenerForFire CHL2 = new SimpleChangeListenerForFire("L2");