Index: src/test/api/java/common/javax/swing/JTreeTest.java =================================================================== --- src/test/api/java/common/javax/swing/JTreeTest.java (revision 494382) +++ src/test/api/java/common/javax/swing/JTreeTest.java (working copy) @@ -1210,6 +1210,11 @@ } else { assertNull(tree.getExpandedDescendants(rootPath)); } + + javax.swing.tree.TreePath p = + new javax.swing.tree.TreePath(new Object()); + JTree t = new JTree(); + assertNull(t.getExpandedDescendants(p)); } public void testGetSetExpandsSelectedPaths() {