/* * Copyright (c) 2000, 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 4300224 * @summary BasicListUI.ListDataHandler improperly updates list selection on insertion * @run main bug4300224 */ import javax.swing.JList; import javax.swing.DefaultListModel; public class bug4300224 { public static void main(String[] args) throws Exception { DefaultListModel model = new DefaultListModel<>(); JList list = new JList<>(model); model.addElement("List Item 1"); model.addElement("List Item 2"); model.addElement("List Item 3"); model.addElement("List Item 4"); list.setSelectedIndex(2); model.insertElementAt("Inserted Item", 0); if (list.getSelectedIndex() != 3) { throw new RuntimeException("Inserted element improperly updates list selection"); } } }