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 
  35 import java.awt.Button;
  36 import java.awt.Component;
  37 import java.awt.EventQueue;
  38 import java.awt.FlowLayout;
  39 import java.awt.Frame;
  40 import java.awt.KeyboardFocusManager;
  41 import java.awt.Robot;
  42 
  43 import test.java.awt.regtesthelpers.Util;
  44 
  45 public 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 }