bug8049533.java revision 14851:980da45565c8 
1/*
2 * Copyright (c) 2014, 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
24import java.awt.Frame;
25import java.awt.Panel;
26import java.awt.event.MouseWheelEvent;
27import javax.swing.SwingUtilities;
28
29/**
30 * @test
31 * @key headful
32 * @bug 8049533
33 * @summary SwingUtilities.convertMouseEvent misses
34 *      MouseWheelEvent.preciseWheelRotation
35 * @run main bug8049533
36 */
37public class bug8049533 {
38
39    private static final double PRECISE_WHEEL_ROTATION = 3.14;
40
41    public static void main(String[] args) {
42        Frame frame = new Frame();
43        Panel panel = new Panel();
44        frame.add(panel);
45
46        MouseWheelEvent event = new MouseWheelEvent(panel,
47                0, 0, 0, 0, 0, 0, 0, 0, false, 0, 0,
48                2, // wheelRotation
49                PRECISE_WHEEL_ROTATION); // preciseWheelRotation
50
51        MouseWheelEvent convertedEvent = (MouseWheelEvent) SwingUtilities.
52                convertMouseEvent(event.getComponent(), event, null);
53
54        if (convertedEvent.getPreciseWheelRotation() != PRECISE_WHEEL_ROTATION) {
55            throw new RuntimeException("PreciseWheelRotation field is not copied!");
56        }
57    }
58}
59