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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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  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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  23 
  24 /* @test
  25  * @bug 6940863
  26  * @summary Textarea within scrollpane shows vertical scrollbar
  27  * @author Pavel Porvatov
  28  * @run main bug6940863
  29  */
  30 
  31 import sun.awt.OSInfo;
  32 
  33 import javax.swing.*;
  34 import java.awt.*;
  35 import java.awt.event.ActionEvent;
  36 import java.awt.event.ActionListener;
  37 
  38 public class bug6940863 {
  39     private static JFrame frame;
  40 
  41     private static JScrollPane scrollPane;
  42 
  43     private static final Timer timer = new Timer(1000, new ActionListener() {
  44         public void actionPerformed(ActionEvent e) {
  45             boolean failed = scrollPane.getVerticalScrollBar().isShowing() ||
  46                     scrollPane.getHorizontalScrollBar().isShowing();
  47 
  48             frame.dispose();
  49 
  50             if (failed) {
  51                 throw new RuntimeException("The test failed");
  52             }
  53         }
  54     });
  55 
  56     public static void main(String[] args) throws Exception {
  57         if (OSInfo.getOSType() != OSInfo.OSType.WINDOWS) {
  58             System.out.println("The test is suitable only for Windows OS. Skipped");
  59             return;
  60         }
  61 
  62         UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
  63 
  64         SwingUtilities.invokeAndWait(new Runnable() {
  65             public void run() {
  66                 JTextArea textArea = new JTextArea();
  67 
  68                 textArea.setLineWrap(true);
  69                 textArea.setWrapStyleWord(true);
  70 
  71                 scrollPane = new JScrollPane(textArea);
  72 
  73                 scrollPane.setMinimumSize(new Dimension(200, 100));
  74                 scrollPane.setPreferredSize(new Dimension(300, 150));
  75 
  76                 frame = new JFrame("Vertical scrollbar shown without text");
  77 
  78                 frame.setContentPane(scrollPane);
  79                 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  80                 frame.pack();
  81                 frame.setVisible(true);
  82 
  83                 timer.setRepeats(false);
  84                 timer.start();
  85             }
  86         });
  87     }
  88 }