/*

 * Copyright (c) 2015, 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 java.awt.Frame;

import java.awt.Menu;

import java.awt.MenuBar;

/**

 * @test

 * @bug 6475361

 * @author Sergey Bylokhov

 */

public final class RemoveHelpMenu {

    public static void main(final String[] args) {

        final Frame frame = new Frame("RemoveHelpMenu Test");

        try {

            frame.pack();

            // peer exists

            test1(getMenuBar(frame));

            test2(getMenuBar(frame));

            test3(getMenuBar(frame));

            test4(getMenuBar(frame));

        } finally {

            frame.dispose();

        }

        // peer is null

        test1(getMenuBar(frame));

        test2(getMenuBar(frame));

        test3(getMenuBar(frame));

        test4(getMenuBar(frame));

    }

    private static MenuBar getMenuBar(final Frame frame) {

        final MenuBar menuBar = new MenuBar();

        frame.setMenuBar(menuBar);

        return menuBar;

    }

    private static void checkHelpMenu(final Menu menu, final boolean expected) {

        final boolean actual = menu.toString().contains("isHelpMenu=true");

        if (actual != expected) {

            throw new RuntimeException("Incorrect menu type");

        }

    }

    private static void checkMenuCount(final MenuBar bar, final int expected) {

        final int actual = bar.getMenuCount();

        if (actual != expected) {

            throw new RuntimeException("Incorrect menus count");

        }

    }

    private static void checkCurrentMenu(final MenuBar bar, final Menu menu) {

        if (bar.getHelpMenu() != menu) {

            throw new RuntimeException("Wrong HelpMenu");

        }

    }

    private static void test1(final MenuBar menuBar) {

        checkCurrentMenu(menuBar, null);

        checkMenuCount(menuBar, 0);

    }

    private static void test2(final MenuBar menuBar) {

        final Menu helpMenu = new Menu("Help Menu");

        menuBar.setHelpMenu(helpMenu);

        checkCurrentMenu(menuBar, helpMenu);

        checkMenuCount(menuBar, 1);

        checkHelpMenu(helpMenu, true);

        menuBar.remove(helpMenu);

        checkCurrentMenu(menuBar, null);

        checkMenuCount(menuBar, 0);

        checkHelpMenu(helpMenu, false);

    }

    private static void test3(final MenuBar menuBar) {

        final Menu helpMenu1 = new Menu("Help Menu1");

        final Menu helpMenu2 = new Menu("Help Menu2");

        menuBar.setHelpMenu(helpMenu1);

        checkCurrentMenu(menuBar, helpMenu1);

        checkMenuCount(menuBar, 1);

        checkHelpMenu(helpMenu1, true);

        checkHelpMenu(helpMenu2, false);

        menuBar.setHelpMenu(helpMenu2);

        checkCurrentMenu(menuBar, helpMenu2);

        checkMenuCount(menuBar, 1);

        checkHelpMenu(helpMenu1, false);

        checkHelpMenu(helpMenu2, true);

        menuBar.remove(helpMenu2);

        checkCurrentMenu(menuBar, null);

        checkMenuCount(menuBar, 0);

        checkHelpMenu(helpMenu1, false);

        checkHelpMenu(helpMenu2, false);

    }

    private static void test4(final MenuBar menuBar) {

        final Menu helpMenu = new Menu("Help Menu");

        menuBar.setHelpMenu(helpMenu);

        checkCurrentMenu(menuBar, helpMenu);

        checkMenuCount(menuBar, 1);

        checkHelpMenu(helpMenu, true);

        menuBar.setHelpMenu(null);

        checkCurrentMenu(menuBar, null);

        checkMenuCount(menuBar, 0);

        checkHelpMenu(helpMenu, false);

    }

}