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test/jdk/javax/swing/JButton/JButtonPaintNPE/JButtonPaintNPE.java

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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
  21  * questions.
  22  */
  23 
  24 
  25 import java.awt.Graphics;
  26 import java.awt.Toolkit;
  27 import java.awt.image.BufferedImage;
  28 import java.lang.reflect.InvocationTargetException;
  29 
  30 import javax.swing.JButton;
  31 import javax.swing.JFrame;
  32 import javax.swing.SwingUtilities;
  33 
  34 /**
  35  * @test
  36  * @key headful
  37  * @bug 8009919
  38  * @author Sergey Bylokhov
  39  * @library ../../../../lib/testlibrary/
  40  * @build ExtendedRobot
  41  * @run main JButtonPaintNPE
  42  */
  43 public final class JButtonPaintNPE {
  44 
  45     private static JFrame frame;
  46 
  47     public static void main(final String[] args)
  48             throws InvocationTargetException, InterruptedException {
  49         SwingUtilities.invokeAndWait(() -> {
  50             frame = new JFrame();
  51             frame.add(new JButton() {
  52                 @Override
  53                 protected void paintComponent(final Graphics g) {
  54                     Graphics gg = new BufferedImage(getWidth(), getHeight(),
  55                                   BufferedImage.TYPE_INT_ARGB).createGraphics();
  56                     super.paintComponent(gg);
  57                     gg.dispose();
  58                 }
  59             });




  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.
  22  */
  23 
  24 
  25 import java.awt.Graphics;
  26 import java.awt.Toolkit;
  27 import java.awt.image.BufferedImage;
  28 import java.lang.reflect.InvocationTargetException;
  29 
  30 import javax.swing.JButton;
  31 import javax.swing.JFrame;
  32 import javax.swing.SwingUtilities;
  33 
  34 /**
  35  * @test
  36  * @key headful
  37  * @bug 8009919
  38  * @author Sergey Bylokhov
  39  * @library ../../../../lib/client/
  40  * @build ExtendedRobot
  41  * @run main JButtonPaintNPE
  42  */
  43 public final class JButtonPaintNPE {
  44 
  45     private static JFrame frame;
  46 
  47     public static void main(final String[] args)
  48             throws InvocationTargetException, InterruptedException {
  49         SwingUtilities.invokeAndWait(() -> {
  50             frame = new JFrame();
  51             frame.add(new JButton() {
  52                 @Override
  53                 protected void paintComponent(final Graphics g) {
  54                     Graphics gg = new BufferedImage(getWidth(), getHeight(),
  55                                   BufferedImage.TYPE_INT_ARGB).createGraphics();
  56                     super.paintComponent(gg);
  57                     gg.dispose();
  58                 }
  59             });


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