1 /*
   2  * Copyright (c) 2011, 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 4865918
  28  * @summary REGRESSION:JCK1.4a-runtime api/javax_swing/interactive/JScrollBarTests.html#JScrollBar
  29  * @author Andrey Pikalev
  30  * @run main bug4865918
  31  */
  32 
  33 import javax.swing.*;
  34 import java.awt.*;
  35 import java.awt.event.*;
  36 import java.util.*;
  37 import sun.awt.SunToolkit;
  38 
  39 public class bug4865918 {
  40 
  41     private static TestScrollBar sbar;
  42 
  43     public static void main(String[] argv) throws Exception {
  44         SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
  45 
  46         SwingUtilities.invokeAndWait(new Runnable() {
  47 
  48             public void run() {
  49                 createAndShowGUI();
  50             }
  51         });
  52 
  53         toolkit.realSync();
  54 
  55         SwingUtilities.invokeAndWait(new Runnable() {
  56 
  57             @Override
  58             public void run() {
  59                 sbar.pressMouse();
  60             }
  61         });
  62 
  63         toolkit.realSync();
  64 
  65         int value = getValue();
  66 
  67         if (value != 9) {
  68             throw new Error("The scrollbar block increment is incorect");
  69         }
  70     }
  71 
  72     private static int getValue() throws Exception {
  73         final int[] result = new int[1];
  74 
  75         SwingUtilities.invokeAndWait(new Runnable() {
  76             @Override
  77             public void run() {
  78                 result[0] = sbar.getValue();
  79             }
  80         });
  81 
  82         return result[0];
  83     }
  84 
  85     private static void createAndShowGUI() {
  86         JFrame frame = new JFrame("bug4865918");
  87         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  88 
  89         sbar = new TestScrollBar(JScrollBar.HORIZONTAL, -1, 10, -100, 100);
  90         sbar.setPreferredSize(new Dimension(200, 20));
  91         sbar.setBlockIncrement(10);
  92 
  93         frame.getContentPane().add(sbar);
  94         frame.pack();
  95         frame.setVisible(true);
  96 
  97     }
  98 
  99     static class TestScrollBar extends JScrollBar {
 100 
 101         public TestScrollBar(int orientation, int value, int extent,
 102                 int min, int max) {
 103             super(orientation, value, extent, min, max);
 104 
 105         }
 106 
 107         public void pressMouse() {
 108             MouseEvent me = new MouseEvent(sbar,
 109                     MouseEvent.MOUSE_PRESSED,
 110                     (new Date()).getTime(),
 111                     MouseEvent.BUTTON1_MASK,
 112                     3 * getWidth() / 4, getHeight() / 2,
 113                     1, true);
 114             processMouseEvent(me);
 115         }
 116     }
 117 }