1 /*
2  * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
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).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
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 test.java.awt.regtesthelpers.Util;
38 
39 public class ScrollOut
40 {
main(String args[])41     public static final void main(String args[])
42     {
43         final Frame frame = new Frame();
44         final List list = new List();
45         Robot robot = null;
46 
47         for (int i = 0; i < 5; i++){
48             list.add("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
49         }
50 
51         frame.add(list);
52 
53         frame.pack();
54         frame.setLocationRelativeTo(null);
55         frame.setVisible(true);
56 
57 
58         try{
59             robot = new Robot();
60         }catch(AWTException e){
61             throw new RuntimeException(e);
62         }
63         robot.waitForIdle();
64 
65         //Drag from center to the outside on left
66         Point from = new Point(list.getLocationOnScreen().x + list.getWidth()/2,
67                                list.getLocationOnScreen().y + list.getHeight()/2);
68         Point to = new Point(list.getLocationOnScreen().x - 30,
69                              from.y);
70 
71         robot.waitForIdle();
72         Util.drag(robot, from, to, InputEvent.BUTTON1_MASK);
73 
74         robot.waitForIdle();
75 
76         //Drag from center to the outside on up
77         to = new Point(from.x,
78                        list.getLocationOnScreen().y - 50);
79 
80         robot.waitForIdle();
81         Util.drag(robot, from, to, InputEvent.BUTTON1_MASK);
82 
83     }//End  init()
84 }
85