jdk/test/javax/swing/plaf/windows/6921687/bug6921687.java

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/* @test
   @bug 6921687 8079428
   @summary Mnemonic disappears after repeated attempts to open menu items using
   mnemonics
   @author Semyon Sadetsky
   @library /lib/testlibrary
   @build jdk.testlibrary.OSInfo
   @run main bug6921687
  */


import jdk.testlibrary.OSInfo;
import javax.swing.*;
import java.awt.*;
import java.awt.event.KeyEvent;


public class bug6921687 {

    private static Class lafClass;
    private static JFrame frame;

    public static void main(String[] args) throws Exception {
        if (OSInfo.getOSType() != OSInfo.OSType.WINDOWS) {
            System.out.println("Only Windows platform test. Test is skipped.");
            System.out.println("ok");
            return;
        }
        lafClass = Class.forName(UIManager.getSystemLookAndFeelClassName());
        UIManager.setLookAndFeel((LookAndFeel) lafClass.newInstance());
        try {
            SwingUtilities.invokeAndWait(new Runnable() {
                public void run() {
                    frame = new JFrame();
                    frame.setUndecorated(true);
                    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                    setup(frame);
                }
            });

            final Robot robot = new Robot();
            robot.setAutoDelay(20);
            robot.keyPress(KeyEvent.VK_ALT);
            robot.keyPress(KeyEvent.VK_F);
            robot.keyRelease(KeyEvent.VK_F);
            robot.keyRelease(KeyEvent.VK_ALT);
            robot.waitForIdle();
            checkMnemonics();

            robot.keyPress(KeyEvent.VK_ALT);
            robot.keyPress(KeyEvent.VK_S);
            robot.keyRelease(KeyEvent.VK_S);
            robot.keyRelease(KeyEvent.VK_ALT);
            robot.waitForIdle();
            checkMnemonics();
            System.out.println("ok");
        } finally {
            frame.dispose();
        }

    }

    private static void checkMnemonics() throws Exception {
        if ((Boolean) lafClass.getMethod("isMnemonicHidden").invoke(lafClass)) {
            throw new RuntimeException("Mnemonics are hidden");
        }
    }

    private static void setup(JFrame frame) {
        JMenuBar menuBar = new JMenuBar();
        frame.setJMenuBar(menuBar);

        // First Menu, F - Mnemonic
        JMenu firstMenu = new JMenu("First Menu");
        firstMenu.setMnemonic(KeyEvent.VK_F);
        firstMenu.add(new JMenuItem("One", KeyEvent.VK_O));
        firstMenu.add(new JMenuItem("Two", KeyEvent.VK_T));
        menuBar.add(firstMenu);

        // Second Menu, S - Mnemonic
        JMenu secondMenu = new JMenu("Second Menu");
        secondMenu.setMnemonic(KeyEvent.VK_S);
        secondMenu.add(new JMenuItem("A Menu Item", KeyEvent.VK_A));
        menuBar.add(secondMenu);

        frame.setSize(350, 250);
        frame.setVisible(true);

    }
}