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.
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   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).
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  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
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  23 
  24 /* @test
  25    @bug 6777378
  26    @summary NullPointerException in XPDefaultRenderer.paint()
  27    @author Alexander Potochkin
  28    @run main bug6777378
  29 */
  30 
  31 import sun.awt.SunToolkit;
  32 
  33 import javax.swing.*;
  34 import javax.swing.table.AbstractTableModel;
  35 import javax.swing.table.JTableHeader;
  36 import javax.swing.plaf.metal.MetalLookAndFeel;
  37 import java.awt.event.MouseEvent;
  38 import java.awt.event.InputEvent;
  39 import java.awt.*;
  40 
  41 public class bug6777378 {
  42     private static JFrame frame;
  43     private static JTableHeader header;
  44 
  45     public static void main(String[] args) throws Exception {
  46         SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
  47         Robot robot = new Robot();
  48         robot.setAutoDelay(20);
  49         SwingUtilities.invokeAndWait(new Runnable() {
  50             public void run() {
  51                 try {
  52                     UIManager.setLookAndFeel(new MetalLookAndFeel());
  53                 } catch (Exception e) {
  54                     e.printStackTrace();
  55                 }
  56                 JTable table = new JTable(new AbstractTableModel() {
  57                     public int getRowCount() {
  58                         return 10;
  59                     }
  60 
  61                     public int getColumnCount() {
  62                         return 10;
  63                     }
  64 
  65                     public Object getValueAt(int rowIndex, int columnIndex) {
  66                         return "" + rowIndex + " " + columnIndex;
  67                     }
  68                 });
  69 
  70                 header = new JTableHeader(table.getColumnModel());
  71                 header.setToolTipText("hello");
  72 
  73                 frame = new JFrame();
  74                 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  75                 frame.add(header);
  76 
  77                 frame.setSize(300, 300);
  78                 frame.setVisible(true);
  79             }
  80         });
  81         toolkit.realSync();
  82         Point point = header.getLocationOnScreen();
  83         robot.mouseMove(point.x + 20, point.y + 50);
  84         robot.mouseMove(point.x + 30, point.y + 50);
  85         robot.mousePress(InputEvent.BUTTON1_MASK);
  86         robot.mouseRelease(InputEvent.BUTTON1_MASK);
  87     }
  88 }