russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
109 lines
3.7 KiB
Java
109 lines
3.7 KiB
Java
/*
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* Copyright (c) 2000, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4323121
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* @summary Tests whether a button model always returns true for isArmed()
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* when mouse hovers over the button
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* @key headful
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* @run main bug4323121
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*/
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import java.awt.Point;
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import java.awt.Robot;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.util.concurrent.CountDownLatch;
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import javax.swing.JButton;
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import javax.swing.JFrame;
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import javax.swing.SwingUtilities;
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import static java.util.concurrent.TimeUnit.SECONDS;
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public final class bug4323121 {
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static JFrame frame;
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static JButton button;
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static volatile Point buttonCenter;
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private static final CountDownLatch mouseEntered = new CountDownLatch(1);
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// Usage of this flag is thread-safe because of using the mouseEntered latch
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private static boolean modelArmed;
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public static void main(String[] args) throws Exception {
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Robot robot = new Robot();
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robot.setAutoDelay(100);
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try {
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SwingUtilities.invokeAndWait(() -> {
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button = new JButton("gotcha");
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button.addMouseListener(new MouseAdapter() {
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@Override
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public void mouseEntered(MouseEvent e) {
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if (button.getModel().isArmed()) {
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modelArmed = true;
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}
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mouseEntered.countDown();
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}
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});
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frame = new JFrame("bug4323121");
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frame.getContentPane().add(button);
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frame.pack();
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frame.setLocationRelativeTo(null);
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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frame.setVisible(true);
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});
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robot.waitForIdle();
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SwingUtilities.invokeAndWait(() -> {
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Point location = button.getLocationOnScreen();
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buttonCenter = new Point(location.x + button.getWidth() / 2,
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location.y + button.getHeight() / 2);
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});
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robot.mouseMove(buttonCenter.x, buttonCenter.y);
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if (!mouseEntered.await(1, SECONDS)) {
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throw new RuntimeException("Mouse entered event wasn't received");
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}
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if (modelArmed) {
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throw new RuntimeException("getModel().isArmed() returns true "
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+ "when mouse hovers over the button");
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}
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} finally {
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SwingUtilities.invokeAndWait(() -> {
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if (frame != null) {
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frame.dispose();
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}
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});
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}
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}
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}
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