File: DefaultCaretRequestsFocusTest.java

package info (click to toggle)
openjdk-21 21.0.8%2B9-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 823,976 kB
  • sloc: java: 5,613,338; xml: 1,643,607; cpp: 1,296,296; ansic: 420,291; asm: 404,850; objc: 20,994; sh: 15,271; javascript: 11,245; python: 6,895; makefile: 2,362; perl: 357; awk: 351; sed: 172; jsp: 24; csh: 3
file content (193 lines) | stat: -rw-r--r-- 7,088 bytes parent folder | download | duplicates (14)
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
185
186
187
188
189
190
191
192
193
/*
 * Copyright (c) 2002, 2022, 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.GridLayout;
import java.awt.Point;
import java.awt.Robot;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import java.util.stream.Collectors;
import javax.swing.InputVerifier;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UIManager.LookAndFeelInfo;
import javax.swing.UnsupportedLookAndFeelException;

import static javax.swing.UIManager.getInstalledLookAndFeels;

/*
 * @test
 * @key headful
 * @bug 4532513
 * @summary Verifies that DefaultCaret doesn't requests focus in mouseClick and mousePressed
 *          causing the associated input verifier to fire twice.
 * @run main DefaultCaretRequestsFocusTest
 */
public class DefaultCaretRequestsFocusTest {

    private static JTextField jTextField1;
    private static JTextField jTextField2;
    private static JTextField jTextField3;
    private static JFrame frame;
    private static Robot robot;
    private static volatile int shouldYieldFocusCount;

    public static void main(String[] args) throws Exception {
        runTest();
    }

    public static void runTest() throws Exception {
        robot = new Robot();
        robot.setAutoWaitForIdle(true);
        robot.setAutoDelay(200);

        List<String> lafs = Arrays.stream(getInstalledLookAndFeels())
                                  .map(LookAndFeelInfo::getClassName)
                                  .collect(Collectors.toList());
        for (final String laf : lafs) {
            try {
                AtomicBoolean lafSetSuccess = new AtomicBoolean(false);
                SwingUtilities.invokeAndWait(() -> {
                    lafSetSuccess.set(setLookAndFeel(laf));
                    if (lafSetSuccess.get()) {
                        createUI();
                    }
                });
                if (!lafSetSuccess.get()) {
                    continue;
                }
                robot.waitForIdle();

                AtomicReference<Point> jTextField1LocRef = new AtomicReference<>();
                AtomicReference<Point> jTextField2LocRef = new AtomicReference<>();
                SwingUtilities.invokeAndWait(() -> {
                    jTextField1LocRef.set(jTextField1.getLocationOnScreen());
                    jTextField2LocRef.set(jTextField2.getLocationOnScreen());
                });
                final Point jTextField1Loc = jTextField1LocRef.get();
                final Point jTextField2Loc = jTextField2LocRef.get();

                shouldYieldFocusCount = 0;

                // Click on TextField2
                robot.mouseMove(jTextField2Loc.x + 5, jTextField2Loc.y + 5);
                robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
                robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);

                typeSomeText();

                // Click on TextField1
                robot.mouseMove(jTextField1Loc.x + 5, jTextField1Loc.y + 5);
                robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
                robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);

                typeSomeText();

                if (shouldYieldFocusCount == 1) {
                    System.out.println("Test passed for " + laf);
                } else {
                    throw new RuntimeException("Test failed for " + laf
                            + " as InputVerifier.shouldYieldFocus() was called " + shouldYieldFocusCount
                            + " times on jTextField2, but it is expected to be called only once.");
                }

            } finally {
                SwingUtilities.invokeAndWait(DefaultCaretRequestsFocusTest::disposeFrame);
            }
        }
    }

    private static void typeSomeText() {
        robot.keyPress(KeyEvent.VK_T);
        robot.keyRelease(KeyEvent.VK_T);
        robot.keyPress(KeyEvent.VK_E);
        robot.keyRelease(KeyEvent.VK_E);
        robot.keyPress(KeyEvent.VK_X);
        robot.keyRelease(KeyEvent.VK_X);
        robot.keyPress(KeyEvent.VK_T);
        robot.keyRelease(KeyEvent.VK_T);
    }

    private static void createUI() {
        frame = new JFrame();
        jTextField1 = new JTextField(6);
        jTextField2 = new JTextField(6);
        jTextField3 = new JTextField(6);
        JPanel panel = new JPanel();
        panel.setLayout(new GridLayout(3, 1));
        panel.add(jTextField1);
        panel.add(jTextField2);
        panel.add(jTextField3);

        InputVerifier iv = new InputVerifier() {
            public boolean verify(JComponent input) {
                System.out.println("InputVerifier.verify() called");
                return false;
            }

            public boolean shouldYieldFocus(JComponent input) {
                ++shouldYieldFocusCount;
                System.out.println("InputVerifier.shouldYieldFocus() called " + shouldYieldFocusCount);
                return false;
            }
        };

        jTextField2.setInputVerifier(iv);

        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        frame.add(panel);
        frame.pack();
        frame.setAlwaysOnTop(true);
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
    }

    private static boolean setLookAndFeel(String lafName) {
        try {
            UIManager.setLookAndFeel(lafName);
        } catch (UnsupportedLookAndFeelException ignored) {
            System.out.println("Ignoring Unsupported laf : " + lafName);
            return false;
        } catch (ClassNotFoundException | InstantiationException
                | IllegalAccessException e) {
            throw new RuntimeException(e);
        }
        return true;
    }

    private static void disposeFrame() {
        if (frame != null) {
            frame.dispose();
            frame = null;
        }
    }

}