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
   7  * published by the Free Software Foundation.
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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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  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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  23 
  24 /*
  25   @test
  26   @key headful
  27   @bug 7036733
  28   @summary Regression : NullPointerException when scrolling horizontally on AWT List
  29   @author Andrei Dmitriev area=awt-list
  30   @library ../../regtesthelpers
  31   @build Util
  32   @run main ScrollOut
  33 */
  34 
  35 import java.awt.*;
  36 import java.awt.event.*;
  37 import sun.awt.SunToolkit;
  38 import test.java.awt.regtesthelpers.Util;
  39 
  40 public class ScrollOut
  41 {
  42     public static final void main(String args[])
  43     {
  44         final Frame frame = new Frame();
  45         final List list = new List();
  46         Robot robot = null;
  47 
  48         for (int i = 0; i < 5; i++){
  49             list.add("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
  50         }
  51 
  52         frame.add(list);
  53 
  54         frame.pack();
  55         frame.setLocationRelativeTo(null);
  56         frame.setVisible(true);
  57 
  58         ((SunToolkit)Toolkit.getDefaultToolkit()).realSync();
  59 
  60         try{
  61             robot = new Robot();
  62         }catch(AWTException e){
  63             throw new RuntimeException(e);
  64         }
  65 
  66         //Drag from center to the outside on left
  67         Point from = new Point(list.getLocationOnScreen().x + list.getWidth()/2,
  68                                list.getLocationOnScreen().y + list.getHeight()/2);
  69         Point to = new Point(list.getLocationOnScreen().x - 30,
  70                              from.y);
  71 
  72         ((SunToolkit)Toolkit.getDefaultToolkit()).realSync();
  73         Util.drag(robot, from, to, InputEvent.BUTTON1_MASK);
  74 
  75         ((SunToolkit)Toolkit.getDefaultToolkit()).realSync();
  76 
  77         //Drag from center to the outside on up
  78         to = new Point(from.x,
  79                        list.getLocationOnScreen().y - 50);
  80 
  81         ((SunToolkit)Toolkit.getDefaultToolkit()).realSync();
  82         Util.drag(robot, from, to, InputEvent.BUTTON1_MASK);
  83 
  84     }//End  init()
  85 }