RemoveHelpMenu.java revision 12677:a4299d47bd00 
1/*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24import java.awt.Frame;
25import java.awt.Menu;
26import java.awt.MenuBar;
27
28/**
29 * @test
30 * @bug 6475361
31 * @author Sergey Bylokhov
32 */
33public final class RemoveHelpMenu {
34
35    public static void main(final String[] args) {
36        final Frame frame = new Frame("RemoveHelpMenu Test");
37        try {
38            frame.pack();
39            // peer exists
40            test1(getMenuBar(frame));
41            test2(getMenuBar(frame));
42            test3(getMenuBar(frame));
43            test4(getMenuBar(frame));
44        } finally {
45            frame.dispose();
46        }
47        // peer is null
48        test1(getMenuBar(frame));
49        test2(getMenuBar(frame));
50        test3(getMenuBar(frame));
51        test4(getMenuBar(frame));
52    }
53
54    private static MenuBar getMenuBar(final Frame frame) {
55        final MenuBar menuBar = new MenuBar();
56        frame.setMenuBar(menuBar);
57        return menuBar;
58    }
59
60    private static void checkHelpMenu(final Menu menu, final boolean expected) {
61        final boolean actual = menu.toString().contains("isHelpMenu=true");
62        if (actual != expected) {
63            throw new RuntimeException("Incorrect menu type");
64        }
65    }
66
67    private static void checkMenuCount(final MenuBar bar, final int expected) {
68        final int actual = bar.getMenuCount();
69        if (actual != expected) {
70            throw new RuntimeException("Incorrect menus count");
71        }
72    }
73
74    private static void checkCurrentMenu(final MenuBar bar, final Menu menu) {
75        if (bar.getHelpMenu() != menu) {
76            throw new RuntimeException("Wrong HelpMenu");
77        }
78    }
79
80    private static void test1(final MenuBar menuBar) {
81        checkCurrentMenu(menuBar, null);
82        checkMenuCount(menuBar, 0);
83    }
84
85    private static void test2(final MenuBar menuBar) {
86        final Menu helpMenu = new Menu("Help Menu");
87        menuBar.setHelpMenu(helpMenu);
88        checkCurrentMenu(menuBar, helpMenu);
89        checkMenuCount(menuBar, 1);
90        checkHelpMenu(helpMenu, true);
91
92        menuBar.remove(helpMenu);
93        checkCurrentMenu(menuBar, null);
94        checkMenuCount(menuBar, 0);
95        checkHelpMenu(helpMenu, false);
96    }
97
98    private static void test3(final MenuBar menuBar) {
99        final Menu helpMenu1 = new Menu("Help Menu1");
100        final Menu helpMenu2 = new Menu("Help Menu2");
101        menuBar.setHelpMenu(helpMenu1);
102        checkCurrentMenu(menuBar, helpMenu1);
103        checkMenuCount(menuBar, 1);
104        checkHelpMenu(helpMenu1, true);
105        checkHelpMenu(helpMenu2, false);
106
107        menuBar.setHelpMenu(helpMenu2);
108        checkCurrentMenu(menuBar, helpMenu2);
109        checkMenuCount(menuBar, 1);
110        checkHelpMenu(helpMenu1, false);
111        checkHelpMenu(helpMenu2, true);
112
113        menuBar.remove(helpMenu2);
114        checkCurrentMenu(menuBar, null);
115        checkMenuCount(menuBar, 0);
116        checkHelpMenu(helpMenu1, false);
117        checkHelpMenu(helpMenu2, false);
118    }
119
120    private static void test4(final MenuBar menuBar) {
121        final Menu helpMenu = new Menu("Help Menu");
122        menuBar.setHelpMenu(helpMenu);
123        checkCurrentMenu(menuBar, helpMenu);
124        checkMenuCount(menuBar, 1);
125        checkHelpMenu(helpMenu, true);
126
127        menuBar.setHelpMenu(null);
128        checkCurrentMenu(menuBar, null);
129        checkMenuCount(menuBar, 0);
130        checkHelpMenu(helpMenu, false);
131    }
132}
133