RequestFocusAndHideTest.java revision 14851:980da45565c8 
1/*
2 * Copyright (c) 2007, 2016, 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
24/*
25  @test
26  @key headful
27  @bug       6562853 6562853 6562853
28  @summary   Tests that focus can not be set to removed component.
29  @author    Oleg Sukhodolsky: area=awt.focus
30  @library   ../../regtesthelpers
31  @build     Util
32  @run       main RequestFocusAndHideTest
33*/
34
35import java.awt.Button;
36import java.awt.Component;
37import java.awt.EventQueue;
38import java.awt.FlowLayout;
39import java.awt.Frame;
40import java.awt.KeyboardFocusManager;
41import java.awt.Robot;
42
43import test.java.awt.regtesthelpers.Util;
44
45public class RequestFocusAndHideTest {
46    public static void main(String[] args) throws InterruptedException, java.lang.reflect.InvocationTargetException
47    {
48        final Frame frame = new Frame("the test");
49        frame.setLayout(new FlowLayout());
50        final Button btn1 = new Button("button 1");
51        frame.add(btn1);
52        frame.add(new Button("button 2"));
53        frame.add(new Button("button 3"));
54        frame.pack();
55        frame.setVisible(true);
56
57        Robot r = Util.createRobot();
58        Util.waitForIdle(r);
59        Util.clickOnComp(btn1, r);
60        Util.waitForIdle(r);
61        KeyboardFocusManager kfm = KeyboardFocusManager.getCurrentKeyboardFocusManager();
62        if (kfm.getFocusOwner() != btn1) {
63            throw new RuntimeException("test error: can not set focus on " + btn1 + ".");
64        }
65
66        EventQueue.invokeAndWait(new Runnable() {
67                public void run() {
68                    final int n_comps = frame.getComponentCount();
69                    for (int i = 0; i < n_comps; ++i) {
70                        frame.getComponent(i).setVisible(false);
71                    }
72                }
73            });
74        Util.waitForIdle(r);
75        final Component focus_owner = kfm.getFocusOwner();
76
77        if (focus_owner != null && !focus_owner.isVisible()) {
78            throw new RuntimeException("we have invisible focus owner");
79        }
80        System.out.println("test passed");
81        frame.dispose();
82    }
83}
84