/* * Copyright (c) 2015, 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 * @key headful * @bug 8013566 * @summary Failure of GroupLayout in combination of addPreferredGap and addGroup's * last row * @author Semyon Sadetsky */ import javax.swing.*; public class bug8013566 { public static void main(String[] args) throws Exception { SwingUtilities.invokeAndWait(new Runnable() { public void run() { final JFrame frame = new JFrame(); try { frame.setUndecorated(true); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); test(frame); } finally { frame.dispose(); } } }); System.out.println("ok"); } static void test(JFrame frame) { JComponent c1 = new JButton("Label1"); JComponent c2 = new JButton("Label22"); JComponent c3 = new JButton("Label333"); JPanel panel = new JPanel(); GroupLayout layout = new GroupLayout(panel); layout.setAutoCreateContainerGaps(true); layout.setAutoCreateGaps(true); panel.setLayout(layout); layout.setHorizontalGroup(layout.createSequentialGroup().addGroup( layout.createParallelGroup().addGroup( layout.createSequentialGroup().addComponent(c1) .addPreferredGap( LayoutStyle.ComponentPlacement.RELATED, 50, 200)) .addComponent(c2)).addComponent(c3)); layout.setVerticalGroup(layout.createSequentialGroup() .addComponent(c1).addComponent(c2).addComponent(c3) ); frame.setContentPane(panel); frame.pack(); frame.setVisible(true); if (c3.getX() != c1.getX() + c1.getWidth() + 50) { throw new RuntimeException( "Gap between 1st and 3rd component is wrong"); } } }