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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 /**
  25  * @test
  26  * @key headful
  27  * @bug 6940863
  28  * @summary Textarea within scrollpane shows vertical scrollbar
  29  * @author Pavel Porvatov
  30  * @requires (os.family == "windows")
  31  * @run main bug6940863
  32  */
  33 
  34 import sun.awt.OSInfo;
  35 
  36 import javax.swing.*;
  37 import java.awt.*;
  38 import java.awt.event.ActionEvent;
  39 import java.awt.event.ActionListener;
  40 
  41 public class bug6940863 {
  42     private static JFrame frame;
  43 
  44     private static JScrollPane scrollPane;
  45 
  46     private static final Timer timer = new Timer(1000, new ActionListener() {
  47         public void actionPerformed(ActionEvent e) {
  48             boolean failed = scrollPane.getVerticalScrollBar().isShowing() ||
  49                     scrollPane.getHorizontalScrollBar().isShowing();
  50 
  51             frame.dispose();
  52 
  53             if (failed) {
  54                 throw new RuntimeException("The test failed");
  55             }
  56         }
  57     });
  58 
  59     public static void main(String[] args) throws Exception {
  60         if (OSInfo.getOSType() != OSInfo.OSType.WINDOWS) {
  61             System.out.println("The test is suitable only for Windows OS. Skipped");
  62             return;
  63         }
  64 
  65         UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
  66 
  67         SwingUtilities.invokeAndWait(new Runnable() {
  68             public void run() {
  69                 JTextArea textArea = new JTextArea();
  70 
  71                 textArea.setLineWrap(true);
  72                 textArea.setWrapStyleWord(true);
  73 
  74                 scrollPane = new JScrollPane(textArea);
  75 
  76                 scrollPane.setMinimumSize(new Dimension(200, 100));
  77                 scrollPane.setPreferredSize(new Dimension(300, 150));
  78 
  79                 frame = new JFrame("Vertical scrollbar shown without text");
  80 
  81                 frame.setContentPane(scrollPane);
  82                 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  83                 frame.pack();
  84                 frame.setVisible(true);
  85 
  86                 timer.setRepeats(false);
  87                 timer.start();
  88             }
  89         });
  90     }
  91 }