test/jdk/javax/accessibility/6192422/bug6192422.java

/*
 * Copyright (c) 2005, 2019, 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 javax.accessibility.Accessible;
import javax.accessibility.AccessibleContext;
import javax.accessibility.AccessibleRole;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.SwingUtilities;

/**
 * @test
 * @bug 6192422 7106851
 * @key headful
 * @summary Verifies fix for JMenuBar not being in the accessibility hierarchy
 */
public class bug6192422 {

    private static boolean foundJMenuBar = false;

    public static void main(String[] args) throws Throwable {
        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                if (!testIt()) {
                    throw new RuntimeException("JMenuBar was not found");
                }
            }
        });
    }

    /*
     * Test whether JMenuBar is in accessibility hierarchy
     */
    private static boolean testIt() {

        JFrame frame = new JFrame("bug6192422");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        /*
         * Add a menu bar to the frame using setJMenuBar. The setJMenuBar
         * method add the menu bar to the JLayeredPane.
         */
        JMenuBar menuBar = new JMenuBar();
        menuBar.add(new JMenu("foo"));
        menuBar.add(new JMenu("bar"));
        menuBar.add(new JMenu("baz"));
        frame.setJMenuBar(menuBar);

        findJMenuBar(frame.getAccessibleContext());
        return foundJMenuBar;
    }

    /*
     * Finds the JMenuBar in the Accessibility hierarchy
     */
    private static void findJMenuBar(AccessibleContext ac) {
        if (ac != null) {
            System.err.println("findJMenuBar: ac = "+ac.getClass());
            int num = ac.getAccessibleChildrenCount();
            System.err.println("  #children "+num);

            for (int i = 0; i < num; i++) {
                System.err.println("  child #"+i);
                Accessible a = ac.getAccessibleChild(i);
                AccessibleContext child = a.getAccessibleContext();
                AccessibleRole role = child.getAccessibleRole();
                System.err.println("  role "+role);
                if (role == AccessibleRole.MENU_BAR) {
                    foundJMenuBar = true;
                    return;
                }
                if (child.getAccessibleChildrenCount() > 0) {
                    findJMenuBar(child);
                }
            }
        }
    }
}