1 /*
   2  * Copyright (c) 2007, 2011, 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 6827032
  28  * @summary Color chooser with drag enabled shouldn't throw NPE
  29  * @author Peter Zhelezniakov
  30  * @library ../regtesthelpers
  31  */
  32 
  33 import sun.awt.SunToolkit;
  34 
  35 import java.awt.*;
  36 import java.awt.event.*;
  37 
  38 import javax.swing.*;
  39 import javax.swing.plaf.nimbus.NimbusLookAndFeel;
  40 
  41 
  42 public class Test6827032 {
  43 
  44     private static volatile Point point;
  45     private static JColorChooser cc;
  46 
  47     public static void main(String[] args) throws Exception {
  48         UIManager.setLookAndFeel(new NimbusLookAndFeel());
  49 
  50         Robot robot = new Robot();
  51         robot.setAutoDelay(50);
  52 
  53         SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
  54 
  55         SwingUtilities.invokeAndWait(new Runnable() {
  56             public void run() {
  57                 createAndShowGUI();
  58             }
  59         });
  60 
  61         toolkit.realSync();
  62 
  63         SwingUtilities.invokeAndWait(new Runnable() {
  64             public void run() {
  65                 Component previewPanel = Util.findSubComponent(cc, "javax.swing.colorchooser.DefaultPreviewPanel");
  66                 point = previewPanel.getLocationOnScreen();
  67             }
  68         });
  69 
  70         point.translate(5, 5);
  71 
  72         robot.mouseMove(point.x, point.y);
  73         robot.mousePress(InputEvent.BUTTON1_MASK);
  74         robot.mouseRelease(InputEvent.BUTTON1_MASK);
  75     }
  76 
  77 
  78     private static void createAndShowGUI() {
  79         JFrame frame = new JFrame(Test6827032.class.getName());
  80         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  81         cc = new JColorChooser();
  82         cc.setDragEnabled(true);
  83         frame.add(cc);
  84         frame.pack();
  85         frame.setVisible(true);
  86     }
  87 }