TooMuchWheelRotationEventsTest.java revision 15920:ff61a6fd0349 
1/*
2 * Copyright (c) 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.Color;
25import java.awt.GridBagConstraints;
26import java.awt.GridBagLayout;
27import java.awt.event.ActionEvent;
28import java.awt.event.ActionListener;
29import java.awt.event.WindowAdapter;
30import java.awt.event.WindowEvent;
31import java.util.concurrent.CountDownLatch;
32import java.util.concurrent.TimeUnit;
33import javax.swing.BoxLayout;
34import javax.swing.JButton;
35import javax.swing.JFrame;
36import javax.swing.JPanel;
37import javax.swing.JScrollPane;
38import javax.swing.JTextArea;
39import javax.swing.SwingUtilities;
40
41/*
42 * @test
43 * @bug 8166591
44 * @key headful
45 * @summary [macos 10.12] Trackpad scrolling of text on OS X 10.12 Sierra
46 *    is very fast (Trackpad, Retina only)
47 * @run main/manual/othervm TooMuchWheelRotationEventsTest
48 */
49public class TooMuchWheelRotationEventsTest {
50
51    private static volatile boolean testResult = false;
52    private static volatile CountDownLatch countDownLatch;
53    private static final String INSTRUCTIONS = "INSTRUCTIONS:\n"
54            + "Try to check the issue on Mac OS X 10.12 Sierra with trackpad"
55            + " on Retina display.\n"
56            + "\n"
57            + "If the trackpad is not supported, press PASS\n"
58            + "\n"
59            + "Use the trackpad to slightly scroll the JTextArea horizontally and vertically.\n"
60            + "If the text area is scrolled too fast press FAIL, else press PASS.";
61
62    public static void main(String args[]) throws Exception {
63        countDownLatch = new CountDownLatch(1);
64
65        SwingUtilities.invokeLater(TooMuchWheelRotationEventsTest::createUI);
66        countDownLatch.await(15, TimeUnit.MINUTES);
67
68        if (!testResult) {
69            throw new RuntimeException("Test fails!");
70        }
71    }
72
73    private static void createUI() {
74
75        final JFrame mainFrame = new JFrame("Trackpad scrolling test");
76        GridBagLayout layout = new GridBagLayout();
77        JPanel mainControlPanel = new JPanel(layout);
78        JPanel resultButtonPanel = new JPanel(layout);
79
80        GridBagConstraints gbc = new GridBagConstraints();
81
82        JPanel testPanel = createTestPanel();
83
84        gbc.gridx = 0;
85        gbc.gridy = 0;
86        gbc.fill = GridBagConstraints.HORIZONTAL;
87        mainControlPanel.add(testPanel, gbc);
88
89        JTextArea instructionTextArea = new JTextArea();
90        instructionTextArea.setText(INSTRUCTIONS);
91        instructionTextArea.setEditable(false);
92        instructionTextArea.setBackground(Color.white);
93
94        gbc.gridx = 0;
95        gbc.gridy = 1;
96        gbc.fill = GridBagConstraints.HORIZONTAL;
97        mainControlPanel.add(instructionTextArea, gbc);
98
99        JButton passButton = new JButton("Pass");
100        passButton.setActionCommand("Pass");
101        passButton.addActionListener((ActionEvent e) -> {
102            testResult = true;
103            mainFrame.dispose();
104            countDownLatch.countDown();
105
106        });
107
108        JButton failButton = new JButton("Fail");
109        failButton.setActionCommand("Fail");
110        failButton.addActionListener(new ActionListener() {
111            @Override
112            public void actionPerformed(ActionEvent e) {
113                mainFrame.dispose();
114                countDownLatch.countDown();
115            }
116        });
117
118        gbc.gridx = 0;
119        gbc.gridy = 0;
120        resultButtonPanel.add(passButton, gbc);
121
122        gbc.gridx = 1;
123        gbc.gridy = 0;
124        resultButtonPanel.add(failButton, gbc);
125
126        gbc.gridx = 0;
127        gbc.gridy = 2;
128        mainControlPanel.add(resultButtonPanel, gbc);
129
130        mainFrame.add(mainControlPanel);
131        mainFrame.pack();
132
133        mainFrame.addWindowListener(new WindowAdapter() {
134
135            @Override
136            public void windowClosing(WindowEvent e) {
137                mainFrame.dispose();
138                countDownLatch.countDown();
139            }
140        });
141        mainFrame.setVisible(true);
142    }
143
144    private static JPanel createTestPanel() {
145        JPanel panel = new JPanel();
146        panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
147        JTextArea textArea = new JTextArea(20, 20);
148        textArea.setText(getLongString());
149        JScrollPane scrollPane = new JScrollPane(textArea);
150        panel.add(scrollPane);
151        return panel;
152    }
153
154    private static String getLongString() {
155
156        String lowCaseString = getLongString('a', 'z');
157        String upperCaseString = getLongString('A', 'Z');
158        String digitsString = getLongString('0', '9');
159
160        int repeat = 30;
161        StringBuilder lowCaseBuilder = new StringBuilder();
162        StringBuilder upperCaseBuilder = new StringBuilder();
163        StringBuilder digitsBuilder = new StringBuilder();
164
165        for (int i = 0; i < repeat; i++) {
166            lowCaseBuilder.append(lowCaseString).append(' ');
167            upperCaseBuilder.append(upperCaseString).append(' ');
168            digitsBuilder.append(digitsString).append(' ');
169        }
170
171        StringBuilder builder = new StringBuilder();
172        for (int i = 0; i < 200; i++) {
173            builder.append(upperCaseBuilder).append('\n')
174                    .append(lowCaseBuilder).append('\n')
175                    .append(digitsBuilder).append("\n\n\n");
176        }
177
178        return builder.toString();
179    }
180
181    private static String getLongString(char c1, char c2) {
182
183        char[] chars = new char[c2 - c1 + 1];
184        for (char i = c1; i <= c2; i++) {
185            chars[i - c1] = i;
186        }
187        return new String(chars);
188    }
189}
190