1 /*
   2  * Copyright (c) 2010, 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.
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  23 
  24 /*
  25    @test
  26   @key headful
  27    @bug 6777378
  28    @summary NullPointerException in XPDefaultRenderer.paint()
  29    @author Alexander Potochkin
  30    @run main bug6777378
  31 */
  32 
  33 import sun.awt.SunToolkit;
  34 
  35 import javax.swing.*;
  36 import javax.swing.table.AbstractTableModel;
  37 import javax.swing.table.JTableHeader;
  38 import javax.swing.plaf.metal.MetalLookAndFeel;
  39 import java.awt.event.MouseEvent;
  40 import java.awt.event.InputEvent;
  41 import java.awt.*;
  42 
  43 public class bug6777378 {
  44     private static JFrame frame;
  45     private static JTableHeader header;
  46 
  47     public static void main(String[] args) throws Exception {
  48         SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
  49         Robot robot = new Robot();
  50         robot.setAutoDelay(20);
  51         SwingUtilities.invokeAndWait(new Runnable() {
  52             public void run() {
  53                 try {
  54                     UIManager.setLookAndFeel(new MetalLookAndFeel());
  55                 } catch (Exception e) {
  56                     e.printStackTrace();
  57                 }
  58                 JTable table = new JTable(new AbstractTableModel() {
  59                     public int getRowCount() {
  60                         return 10;
  61                     }
  62 
  63                     public int getColumnCount() {
  64                         return 10;
  65                     }
  66 
  67                     public Object getValueAt(int rowIndex, int columnIndex) {
  68                         return "" + rowIndex + " " + columnIndex;
  69                     }
  70                 });
  71 
  72                 header = new JTableHeader(table.getColumnModel());
  73                 header.setToolTipText("hello");
  74 
  75                 frame = new JFrame();
  76                 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  77                 frame.add(header);
  78 
  79                 frame.setSize(300, 300);
  80                 frame.setVisible(true);
  81             }
  82         });
  83         toolkit.realSync();
  84         Point point = header.getLocationOnScreen();
  85         robot.mouseMove(point.x + 20, point.y + 50);
  86         robot.mouseMove(point.x + 30, point.y + 50);
  87         robot.mousePress(InputEvent.BUTTON1_MASK);
  88         robot.mouseRelease(InputEvent.BUTTON1_MASK);
  89     }
  90 }