8281738: Create a regression test for checking the 'Space' key activation of focused Button
Reviewed-by: aivanov
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/*
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* Copyright (c) 2022, 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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import java.awt.Robot;
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import java.awt.event.FocusAdapter;
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import java.awt.event.FocusEvent;
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import java.awt.event.KeyEvent;
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import java.util.Arrays;
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import java.util.List;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicBoolean;
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import javax.swing.JButton;
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import javax.swing.JFrame;
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import javax.swing.JPanel;
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import javax.swing.SwingUtilities;
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import javax.swing.UIManager;
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import javax.swing.UnsupportedLookAndFeelException;
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import static java.util.stream.Collectors.toList;
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/*
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* @test
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* @key headful
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* @bug 8281738
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* @summary Check whether pressing <Space> key generates
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* ActionEvent on focused Button or not.
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* @run main SpaceKeyActivatesButton
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*/
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public class SpaceKeyActivatesButton {
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private static volatile boolean buttonPressed;
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private static JFrame frame;
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private static JButton focusedButton;
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private static CountDownLatch buttonGainedFocusLatch;
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public static void main(String[] s) throws Exception {
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runTest();
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}
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public static void runTest() throws Exception {
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Robot robot = new Robot();
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robot.setAutoDelay(100);
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robot.setAutoWaitForIdle(true);
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List<String> lafs = Arrays.stream(UIManager.getInstalledLookAndFeels())
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.map(laf -> laf.getClassName())
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.collect(toList());
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for (String laf : lafs) {
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buttonGainedFocusLatch = new CountDownLatch(1);
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try {
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buttonPressed = false;
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System.out.println("Testing laf : " + laf);
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AtomicBoolean lafSetSuccess = new AtomicBoolean(false);
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SwingUtilities.invokeAndWait(() -> {
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lafSetSuccess.set(setLookAndFeel(laf));
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// Call createUI() only if setting laf succeeded
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if (lafSetSuccess.get()) {
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createUI();
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}
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});
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// If setting laf failed, then just get next laf and continue
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if (!lafSetSuccess.get()) {
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continue;
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}
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robot.waitForIdle();
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// Wait until the button2 gains focus.
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if (!buttonGainedFocusLatch.await(3, TimeUnit.SECONDS)) {
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throw new RuntimeException("Test Failed, waited too long, " +
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"but the button can't gain focus for laf : " + laf);
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}
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robot.keyPress(KeyEvent.VK_SPACE);
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robot.keyRelease(KeyEvent.VK_SPACE);
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if (buttonPressed) {
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System.out.println("Test Passed for laf : " + laf);
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} else {
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throw new RuntimeException("Test Failed, button not pressed for laf : " + laf);
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}
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} finally {
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SwingUtilities.invokeAndWait(SpaceKeyActivatesButton::disposeFrame);
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}
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}
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}
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private static boolean setLookAndFeel(String lafName) {
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try {
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UIManager.setLookAndFeel(lafName);
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} catch (UnsupportedLookAndFeelException ignored) {
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System.out.println("Ignoring Unsupported laf : " + lafName);
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return false;
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} catch (ClassNotFoundException | InstantiationException
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| IllegalAccessException e) {
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throw new RuntimeException(e);
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}
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return true;
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}
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private static void createUI() {
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frame = new JFrame();
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JPanel panel = new JPanel();
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panel.add(new JButton("Button1"));
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focusedButton = new JButton("Button2");
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focusedButton.addActionListener(e -> buttonPressed = true);
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focusedButton.addFocusListener(new FocusAdapter() {
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@Override
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public void focusGained(FocusEvent e) {
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buttonGainedFocusLatch.countDown();
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}
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});
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panel.add(focusedButton);
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frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
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frame.add(panel);
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frame.pack();
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frame.setLocationRelativeTo(null);
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frame.setVisible(true);
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focusedButton.requestFocusInWindow();
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}
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private static void disposeFrame() {
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if (frame != null) {
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frame.dispose();
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frame = null;
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}
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}
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}
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