1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   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.
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  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 java.awt.*;
  33 import java.awt.event.*;
  34 
  35 import javax.swing.*;
  36 import javax.swing.plaf.nimbus.NimbusLookAndFeel;
  37 
  38 
  39 public class Test6827032 {
  40 
  41     private static volatile Point point;
  42     private static JColorChooser cc;
  43 
  44     public static void main(String[] args) throws Exception {
  45         UIManager.setLookAndFeel(new NimbusLookAndFeel());
  46 
  47         Robot robot = new Robot();
  48         robot.setAutoDelay(50);
  49 
  50 
  51         SwingUtilities.invokeAndWait(new Runnable() {
  52             public void run() {
  53                 createAndShowGUI();
  54             }
  55         });
  56 
  57         robot.waitForIdle();
  58 
  59         SwingUtilities.invokeAndWait(new Runnable() {
  60             public void run() {
  61                 Component previewPanel = Util.findSubComponent(cc, "javax.swing.colorchooser.DefaultPreviewPanel");
  62                 point = previewPanel.getLocationOnScreen();
  63             }
  64         });
  65 
  66         point.translate(5, 5);
  67 
  68         robot.mouseMove(point.x, point.y);
  69         robot.mousePress(InputEvent.BUTTON1_MASK);
  70         robot.mouseRelease(InputEvent.BUTTON1_MASK);
  71     }
  72 
  73 
  74     private static void createAndShowGUI() {
  75         JFrame frame = new JFrame(Test6827032.class.getName());
  76         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  77         cc = new JColorChooser();
  78         cc.setDragEnabled(true);
  79         frame.add(cc);
  80         frame.pack();
  81         frame.setVisible(true);
  82     }
  83 }