1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   6  * under the terms of the GNU General Public License version 2 only, as
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  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
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  20  * or visit www.oracle.com if you need additional information or have any
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  23 
  24 /* @test
  25    @bug 8013566
  26    @summary Failure of GroupLayout in combination of addPreferredGap and addGroup's
  27    last row
  28    @author Semyon Sadetsky
  29 */
  30 
  31 import javax.swing.*;
  32 
  33 public class bug8013566 {
  34 
  35     public static void main(String[] args) throws Exception {
  36         SwingUtilities.invokeAndWait(new Runnable() {
  37             public void run() {
  38                 final JFrame frame = new JFrame();
  39                 try {
  40                     frame.setUndecorated(true);
  41                     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  42                     test(frame);
  43 
  44 
  45                 } finally {
  46                     frame.dispose();
  47                 }
  48             }
  49         });
  50 
  51         System.out.println("ok");
  52     }
  53 
  54     static void test(JFrame frame) {
  55         JComponent c1 = new JButton("Label1");
  56         JComponent c2 = new JButton("Label22");
  57         JComponent c3 = new JButton("Label333");
  58 
  59         JPanel panel = new JPanel();
  60         GroupLayout layout = new GroupLayout(panel);
  61         layout.setAutoCreateContainerGaps(true);
  62         layout.setAutoCreateGaps(true);
  63         panel.setLayout(layout);
  64 
  65         layout.setHorizontalGroup(layout.createSequentialGroup().addGroup(
  66                 layout.createParallelGroup().addGroup(
  67                         layout.createSequentialGroup().addComponent(c1)
  68                                 .addPreferredGap(
  69                                         LayoutStyle.ComponentPlacement.RELATED,
  70                                         50, 200))
  71                         .addComponent(c2)).addComponent(c3));
  72 
  73         layout.setVerticalGroup(layout.createSequentialGroup()
  74                         .addComponent(c1).addComponent(c2).addComponent(c3)
  75         );
  76 
  77         frame.setContentPane(panel);
  78         frame.pack();
  79         frame.setVisible(true);
  80 
  81         if (c3.getX() != c1.getX() + c1.getWidth() + 50) {
  82             throw new RuntimeException(
  83                     "Gap between 1st and 3rd component is wrong");
  84         }
  85 
  86     }
  87 }