1 /*
   2  * Copyright (c) 2018, 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 import java.awt.EventQueue;
  25 import java.util.concurrent.atomic.AtomicBoolean;
  26 
  27 import javax.swing.JFrame;
  28 import javax.swing.JPanel;
  29 
  30 /**
  31  * @test
  32  * @key headful
  33  * @bug 8201552
  34  * @summary Container should get "graphicsConfiguration" notification when all
  35  *          its children are updated
  36  */
  37 public final class OrderOfGConfigNotify {
  38 
  39     private static String name = "graphicsConfiguration";
  40 
  41     public static void main(final String[] args) throws Exception {
  42         EventQueue.invokeAndWait(() -> {
  43             AtomicBoolean parentCalled = new AtomicBoolean(false);
  44             AtomicBoolean childCalled = new AtomicBoolean(false);
  45 
  46             JFrame frame = new JFrame();
  47 
  48             JPanel parent = new JPanel();
  49             parent.addPropertyChangeListener(evt -> {
  50                 if (!evt.getPropertyName().equals(name)) {
  51                     return;
  52                 }
  53                 if (!childCalled.get()) {
  54                     throw new RuntimeException("Parent is called/child is not");
  55                 }
  56                 parentCalled.set(true);
  57                 if (parent.getGraphicsConfiguration() == null) {
  58                     throw new RuntimeException("GraphicsConfiguration is null");
  59                 }
  60             });
  61             JPanel child = new JPanel();
  62             child.addPropertyChangeListener(evt -> {
  63                 if (!evt.getPropertyName().equals(name)) {
  64                     return;
  65                 }
  66                 childCalled.set(true);
  67                 if (child.getGraphicsConfiguration() == null) {
  68                     throw new RuntimeException("GraphicsConfiguration is null");
  69                 }
  70             });
  71             parent.add(child);
  72 
  73             // Frame.add() should update graphicsConfiguration for all hierarchy
  74             frame.add(parent);
  75             if (!parentCalled.get() || !childCalled.get()) {
  76                 throw new RuntimeException("Property listener was not called");
  77             }
  78         });
  79     }
  80 }