1 /*
   2  * Copyright (c) 2014 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      8047288
  28   @summary  Tests method isFocusable of Window component. It should be accessed only from EDT
  29   @author   artem.malinko@oracle.com
  30   @library  ../../regtesthelpers
  31   @build    Util
  32   @run      main WindowIsFocusableAccessByThreadsTest
  33 */
  34 
  35 import test.java.awt.regtesthelpers.Util;
  36 
  37 import javax.swing.*;
  38 import java.awt.*;
  39 import java.util.concurrent.atomic.AtomicBoolean;
  40 
  41 public class WindowIsFocusableAccessByThreadsTest {
  42     private static AtomicBoolean testPassed = new AtomicBoolean(true);
  43     private static volatile TestFrame frame;
  44     private static volatile TestWindow window;
  45     private static volatile Button openWindowBtn;
  46 
  47     public static void main(String[] args) {
  48         frame = new TestFrame("Test EDT access to Window components");
  49         window = new TestWindow(frame);
  50 
  51         SwingUtilities.invokeLater(WindowIsFocusableAccessByThreadsTest::init);
  52 
  53         Util.waitTillShown(frame);
  54         Robot robot = Util.createRobot();
  55         Util.clickOnComp(frame, robot, 100);
  56         Util.clickOnComp(openWindowBtn, robot, 100);
  57 
  58         Util.waitTillShown(window);
  59 
  60         if (!testPassed.get()) {
  61             throw new RuntimeException("Window component methods has been accessed not " +
  62                     "from Event Dispatching Thread");
  63         }
  64     }
  65 
  66     private static void init() {
  67         frame.setSize(400, 400);
  68         frame.setLayout(new FlowLayout());
  69         openWindowBtn = new Button("open window");
  70         openWindowBtn.addActionListener(e -> {
  71             window.setSize(100, 100);
  72             window.setLocation(400, 100);
  73             window.setVisible(true);
  74         });
  75         frame.add(openWindowBtn);
  76         frame.setVisible(true);
  77     }
  78 
  79     private static void testThread() {
  80         if (!SwingUtilities.isEventDispatchThread()) {
  81             testPassed.set(false);
  82         }
  83     }
  84 
  85     private static class TestWindow extends Window {
  86         public TestWindow(Frame owner) {
  87             super(owner);
  88         }
  89 
  90         // isFocusable method is final and we can't add this test to it.
  91         // But it invokes getFocusableWindowState and here we can check
  92         // if thread is EDT.
  93         @Override
  94         public boolean getFocusableWindowState() {
  95             testThread();
  96             return super.getFocusableWindowState();
  97         }
  98     }
  99 
 100     private static class TestFrame extends Frame {
 101         private TestFrame(String title) throws HeadlessException {
 102             super(title);
 103         }
 104 
 105         // isFocusable method is final and we can't add this test to it.
 106         // But it invokes getFocusableWindowState and here we can check
 107         // if thread is EDT.
 108         @Override
 109         public boolean getFocusableWindowState() {
 110             testThread();
 111             return super.getFocusableWindowState();
 112         }
 113     }
 114 }