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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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*
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* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
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*
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* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
/*
* @ test
* @ bug 6529151
* @ key headful
* @ summary Verifies no NPE is thrown in SynthLookAndFeel $ Handler
* @ run main RepaintNPE
*/
import java.awt.Container;
import java.awt.Component;
import java.awt.Robot;
import java.awt.Point;
import java.awt.event.InputEvent;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.plaf.ComponentUI;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
public class RepaintNPE
{
private static JFrame frame;
private static JButton showDialogButton = null ;
private static class DumbDialog extends JDialog {
public DumbDialog ( JFrame parent )
{
super ( parent, "DumbDialog" , true );
setDefaultCloseOperation ( DISPOSE_ON_CLOSE );
JEditorPane editorPane = new JEditorPane();
editorPane.setContentType ( "text/html" );
editorPane.setEditable ( false );
JScrollPane scrollPane = new JScrollPane ( editorPane );
add( scrollPane );
setSize( 400 , 400 );
setVisible( true );
}
public void dispose() {
super .dispose();
myDispose( this );
}
private void myDispose( Container container ) {
Component[] components = container.getComponents ();
for ( Component comp : components ) {
// Special dispose for JComponent's remove UI
if (comp instanceof JComponent) {
JComponent jComp = (JComponent)comp;
try
{
ComponentUI compUI = jComp.getUI();
compUI.uninstallUI ( jComp );
} catch ( Throwable t ) {}
// Recurse children
myDispose( jComp );
}
}
}
}
public static void main ( String args [] ) throws Exception
{
Robot robot = new Robot();
UIManager.setLookAndFeel("javax.swing.plaf.nimbus.NimbusLookAndFeel" );
SwingUtilities.invokeAndWait ( () -> {
frame = new JFrame();
showDialogButton = new JButton( "Show Dialog" );
showDialogButton.addActionListener((e) -> {
if ( e.getSource() == showDialogButton ) {
new DumbDialog ( frame );
}
});
frame.add ( showDialogButton );
frame.setSize( 100 , 100 );
frame.setLocationRelativeTo(null );
frame.setUndecorated(true );
frame.setVisible( true );
});
robot.waitForIdle();
robot.delay(1000 );
Point loc = frame.getLocationOnScreen();
robot.mouseMove(loc.x+10 , loc.y+10 );
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(1000 );
SwingUtilities.invokeAndWait(() -> frame.dispose());
}
}
Messung V0.5 in Prozent C=93 H=94 G=93
¤ Dauer der Verarbeitung: 0.3 Sekunden
¤
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