82 lines
2.6 KiB
Java
82 lines
2.6 KiB
Java
/*
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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.awt.Graphics;
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import java.awt.Toolkit;
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import java.awt.image.BufferedImage;
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import java.lang.reflect.InvocationTargetException;
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import javax.swing.JButton;
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import javax.swing.JFrame;
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import javax.swing.SwingUtilities;
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/**
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* @test
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* @key headful
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* @bug 8009919
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* @author Sergey Bylokhov
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* @library /lib/client/
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* @build ExtendedRobot
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* @run main JButtonPaintNPE
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*/
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public final class JButtonPaintNPE {
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private static JFrame frame;
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public static void main(final String[] args)
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throws InvocationTargetException, InterruptedException {
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SwingUtilities.invokeAndWait(() -> {
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frame = new JFrame();
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frame.add(new JButton() {
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@Override
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protected void paintComponent(final Graphics g) {
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Graphics gg = new BufferedImage(getWidth(), getHeight(),
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BufferedImage.TYPE_INT_ARGB).createGraphics();
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super.paintComponent(gg);
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gg.dispose();
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}
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});
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frame.setSize(300, 300);
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frame.setLocationRelativeTo(null);
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frame.setVisible(true);
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});
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sleep();
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SwingUtilities.invokeAndWait(() -> {
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if (frame != null) {
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frame.dispose();
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}
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});
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}
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private static void sleep() {
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try {
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ExtendedRobot robot = new ExtendedRobot();
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robot.waitForIdle(1000);
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}catch(Exception ex) {
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ex.printStackTrace();
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throw new Error("Unexpected Failure");
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}
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}
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}
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