/* * Copyright (c) 1999, 2023, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 4243927 * @summary Tests that methods getAccessibleChild() and getAccessibleAt() * of class JTableHeader.AccessibleJTableHeader do not throw NPE */ import javax.accessibility.AccessibleComponent; import javax.accessibility.AccessibleContext; import javax.swing.table.JTableHeader; import javax.swing.table.TableColumn; public class bug4243927 { public static void main(String[] argv) { JTableHeader header = new JTableHeader(); header.getColumnModel().addColumn(new TableColumn(0)); AccessibleContext c = header.getAccessibleContext(); c.getAccessibleChild(0); ((AccessibleComponent)c).getAccessibleAt(new java.awt.Point(0,0)); } }