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