test/jdk/javax/swing/AbstractButton/bug6298940.java

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/*
 * @test
 * @bug 6298940
 * @key headful
 * @summary Tests that mnemonic keystroke fires an action
 * @library /javax/swing/regtesthelpers
 * @build Util
 * @run main bug6298940
 */

import java.awt.Robot;
import java.awt.event.KeyEvent;
import java.util.concurrent.CountDownLatch;

import javax.swing.ButtonModel;
import javax.swing.DefaultButtonModel;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;

import static java.util.concurrent.TimeUnit.SECONDS;

public final class bug6298940 {
    private static JFrame frame;

    private static final CountDownLatch actionEvent = new CountDownLatch(1);

    private static void createAndShowGUI() {
        ButtonModel model = new DefaultButtonModel();
        model.addActionListener(event -> {
            System.out.println("ActionEvent");
            actionEvent.countDown();
        });
        model.setMnemonic('T');

        JButton button = new JButton("Test");
        button.setModel(model);

        frame = new JFrame("bug6298940");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.add(button);
        frame.pack();
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
        frame.toFront();
    }

    public static void main(String[] args) throws Exception {
        Robot robot = new Robot();

        SwingUtilities.invokeAndWait(bug6298940::createAndShowGUI);

        robot.waitForIdle();
        robot.delay(500);

        Util.hitMnemonics(robot, KeyEvent.VK_T);

        try {
            if (!actionEvent.await(1, SECONDS)) {
                throw new RuntimeException("Mnemonic didn't fire an action");
            }
        } finally {
            SwingUtilities.invokeAndWait(() -> {
                if (frame != null) {
                    frame.dispose();
                }
            });
        }
    }
}