File: bug8033069NoScrollBar.java

package info (click to toggle)
openjdk-11 11.0.4%2B11-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 757,028 kB
  • sloc: java: 5,016,041; xml: 1,191,974; cpp: 934,731; ansic: 555,697; sh: 24,299; objc: 12,703; python: 3,602; asm: 3,415; makefile: 2,772; awk: 351; sed: 172; perl: 114; jsp: 24; csh: 3
file content (184 lines) | stat: -rw-r--r-- 6,225 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
/*
 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

import java.awt.AWTException;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.Point;
import java.awt.Robot;
import java.awt.event.InputEvent;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UIManager.LookAndFeelInfo;
import javax.swing.UnsupportedLookAndFeelException;

/*
 * @test
 * @key headful
 * @bug 8033069
 * @summary Checks that JComboBox popup does not close when mouse wheel is
 *          rotated over combo box and over its popup. The case where popup
 *          has no scroll bar.
 * @library ../../regtesthelpers
 * @build Util
 * @run main bug8033069NoScrollBar
 * @author Alexey Ivanov
 */
public class bug8033069NoScrollBar implements Runnable {

    private static final String[] NO_SCROLL_ITEMS = new String[] {
        "A", "B", "C", "D", "E", "F"
    };

    private final Robot robot;

    private final String[] items;

    private JFrame frame;
    private JComboBox cb1;
    private JComboBox cb2;

    public static void main(String[] args) throws Exception {
        iterateLookAndFeels(new bug8033069NoScrollBar(NO_SCROLL_ITEMS));
    }

    protected static void iterateLookAndFeels(final bug8033069NoScrollBar test) throws Exception {
        LookAndFeelInfo[] lafInfo = UIManager.getInstalledLookAndFeels();
        for (LookAndFeelInfo info : lafInfo) {
            try {
                UIManager.setLookAndFeel(info.getClassName());
                System.out.println("Look and Feel: " + info.getClassName());
                test.runTest();
            } catch (UnsupportedLookAndFeelException e) {
                System.out.println("Skipping unsupported LaF: " + info);
            }
        }
    }

    public bug8033069NoScrollBar(String[] items) throws AWTException {
        this.items = items;

        robot = new Robot();
        robot.setAutoDelay(200);
    }

    private void setupUI() {
        frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        cb1 = new JComboBox<>(items);
        cb2 = new JComboBox<>(items);
        JPanel panel = new JPanel(new GridLayout(1, 2));
        panel.add(cb1);
        panel.add(cb2);

        frame.add(panel);

        frame.pack();
        frame.setVisible(true);
    }

    public void runTest() throws Exception {
        try {
            SwingUtilities.invokeAndWait(this);

            robot.waitForIdle();
            assertFalse("cb1 popup is visible",
                        Util.invokeOnEDT(cb1::isPopupVisible));

            // Move mouse pointer to the center of the fist combo box
            Point p = cb1.getLocationOnScreen();
            Dimension d = cb1.getSize();
            robot.mouseMove(p.x + d.width / 2, p.y + d.height / 2);
            // Click it to open popup
            robot.mousePress(InputEvent.BUTTON1_MASK);
            robot.mouseRelease(InputEvent.BUTTON1_MASK);

            robot.waitForIdle();
            assertTrue("cb1 popup is not visible",
                       Util.invokeOnEDT(cb1::isPopupVisible));

            robot.mouseWheel(1);
            robot.waitForIdle();
            assertTrue("cb1 popup is not visible after mouse wheel up on combo box",
                       Util.invokeOnEDT(cb1::isPopupVisible));

            robot.mouseWheel(-1);
            robot.waitForIdle();
            assertTrue("cb1 popup is not visible after mouse wheel down on combo box",
                       Util.invokeOnEDT(cb1::isPopupVisible));

            // Move mouse down on the popup
            robot.mouseMove(p.x + d.width / 2, p.y + d.height * 3);

            robot.mouseWheel(1);
            robot.waitForIdle();
            assertTrue("cb1 popup is not visible after mouse wheel up on popup",
                       Util.invokeOnEDT(cb1::isPopupVisible));

            robot.mouseWheel(-1);
            robot.waitForIdle();
            assertTrue("cb1 popup is not visible after mouse wheel down on popup",
                       Util.invokeOnEDT(cb1::isPopupVisible));


            // Move mouse pointer to the center of the second combo box
            p = cb2.getLocationOnScreen();
            d = cb2.getSize();
            robot.mouseMove(p.x + d.width / 2, p.y + d.height / 2);

            robot.mouseWheel(1);
            robot.waitForIdle();
            assertFalse("cb1 popup is visible after mouse wheel up on cb2",
                        Util.invokeOnEDT(cb1::isPopupVisible));
        } finally {
            if (frame != null) {
                frame.dispose();
            }
        }

        System.out.println("Test passed");
    }

    @Override
    public void run() {
        setupUI();
    }

    private static void assertTrue(String message, boolean value) {
        assertEquals(message, true, value);
    }

    private static void assertFalse(String message, boolean value) {
        assertEquals(message, false, value);
    }

    private static void assertEquals(String message, boolean expected, boolean actual) {
        if (expected != actual) {
            throw new RuntimeException(message);
        }
    }
}