test/jdk/javax/swing/JFrame/4962534/bug4962534.java

*** 1,7 ****
  /*
!  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 20,42 ****
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  /*
!  test
!  @bug 4962534 7104594
   @summary JFrame dances very badly
!  @author dav@sparc.spb.su area=
!  @run applet bug4962534.html
   */
! import java.applet.Applet;
  import java.awt.*;
  import java.awt.event.*;
  import java.util.Random;
  import javax.swing.*;
  
! public class bug4962534 extends Applet {
  
      Robot robot;
      volatile Point framePosition;
      volatile Point newFrameLocation;
      JFrame frame;
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   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  /*
!   @test
!   @key headful
!   @bug 4962534
    @summary JFrame dances very badly
!   @run main bug4962534
   */
! 
  import java.awt.*;
  import java.awt.event.*;
  import java.util.Random;
  import javax.swing.*;
  
! public class bug4962534 {
  
      Robot robot;
      volatile Point framePosition;
      volatile Point newFrameLocation;
      JFrame frame;
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      Component titleComponent;
      JLayeredPane lPane;
      volatile boolean titleFound = false;
      public static Object LOCK = new Object();
  
!     @Override
      public void init() {
          try {
              SwingUtilities.invokeAndWait(new Runnable() {
                  @Override
                  public void run() {
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      Component titleComponent;
      JLayeredPane lPane;
      volatile boolean titleFound = false;
      public static Object LOCK = new Object();
  
!     public static void main(final String[] args) {
!         bug4962534 app = new bug4962534();
!         app.init();
!         app.start();
!     }
! 
      public void init() {
          try {
              SwingUtilities.invokeAndWait(new Runnable() {
                  @Override
                  public void run() {
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          } catch (Exception ex) {
              throw new RuntimeException("Init failed. " + ex.getMessage());
          }
      }//End  init()
  
-     @Override
      public void start() {
-         validate();
- 
          try {
              setJLayeredPaneEDT();
              setTitleComponentEDT();
          } catch (Exception ex) {
              ex.printStackTrace();
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          }
          JFrame.setDefaultLookAndFeelDecorated(true);
          frame = new JFrame("JFrame Dance Test");
          frame.pack();
          frame.setSize(450, 260);
+         frame.setLocationRelativeTo(null);
          frame.setVisible(true);
      }
  
      private void setJLayeredPaneEDT() throws Exception {