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 * @bug 4865918 27 * @summary REGRESSION:JCK1.4a-runtime api/javax_swing/interactive/JScrollBarTests.html#JScrollBar 28 * @author Andrey Pikalev 29 * @run main bug4865918 30 */ 31 32 import javax.swing.*; 33 import java.awt.*; 34 import java.awt.event.*; 35 import java.util.*; 36 37 public class bug4865918 { 38 39 private static TestScrollBar sbar; 40 41 public static void main(String[] argv) throws Exception { 42 43 Robot robot = new Robot(); 44 SwingUtilities.invokeAndWait(new Runnable() { 45 46 public void run() { 47 createAndShowGUI(); 48 } 49 }); 50 51 robot.waitForIdle(); 52 53 SwingUtilities.invokeAndWait(new Runnable() { 54 55 @Override 56 public void run() { 57 sbar.pressMouse(); 58 } 59 }); 60 61 robot.waitForIdle(); 62 63 int value = getValue(); 64 65 if (value != 9) { 66 throw new Error("The scrollbar block increment is incorect"); 67 } 68 } 69 70 private static int getValue() throws Exception { 71 final int[] result = new int[1]; 72 73 SwingUtilities.invokeAndWait(new Runnable() { 74 @Override 75 public void run() { 76 result[0] = sbar.getValue(); 77 } 78 }); 79 80 return result[0]; 81 } 82 83 private static void createAndShowGUI() { 84 JFrame frame = new JFrame("bug4865918"); 85 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 86 87 sbar = new TestScrollBar(JScrollBar.HORIZONTAL, -1, 10, -100, 100); 88 sbar.setPreferredSize(new Dimension(200, 20)); 89 sbar.setBlockIncrement(10); 90 91 frame.getContentPane().add(sbar); 92 frame.pack(); 93 frame.setVisible(true); 94 95 } 96 97 static class TestScrollBar extends JScrollBar { 98 99 public TestScrollBar(int orientation, int value, int extent, 100 int min, int max) { 101 super(orientation, value, extent, min, max); 102 103 } 104 105 public void pressMouse() { 106 MouseEvent me = new MouseEvent(sbar, 107 MouseEvent.MOUSE_PRESSED, 108 (new Date()).getTime(), 109 MouseEvent.BUTTON1_MASK, 110 3 * getWidth() / 4, getHeight() / 2, 111 1, true); 112 processMouseEvent(me); 113 } 114 } 115 }