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/*
* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* 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
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.font.FontRenderContext;
import java.awt.font.GlyphVector;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.TimeUnit;
import static java.awt.image.BufferedImage.TYPE_INT_ARGB;
/**
* @test
* @key headful
* @bug 8158072 7172749
*/
public final class ClassCastExceptionForInvalidSurface {
static GraphicsEnvironment ge
= GraphicsEnvironment.getLocalGraphicsEnvironment();
static GraphicsConfiguration gc
= ge.getDefaultScreenDevice().getDefaultConfiguration();
static volatile VolatileImage vi = gc.createCompatibleVolatileImage(10, 10);
static volatile Throwable failed;
static BlockingQueue<VolatileImage> list = new ArrayBlockingQueue<>(50);
// Will run the test no more than 15 seconds
static long endtime = System.nanoTime() + TimeUnit.SECONDS.toNanos(15);
public static void main(final String[] args) throws InterruptedException {
// Catch all uncaught exceptions and treat them as test failure
Thread.setDefaultUncaughtExceptionHandler((t, e) -> failed = e);
// Data for rendering
BufferedImage bi = new BufferedImage(10, 10, TYPE_INT_ARGB);
FontRenderContext frc = new FontRenderContext(null, false, false);
Font font = new Font("Serif", Font.PLAIN, 12);
GlyphVector gv = font.createGlyphVector(frc, new char[]{'a', '1'});
Thread t1 = new Thread(() -> {
while (!isComplete()) {
vi = gc.createCompatibleVolatileImage(10, 10);
if (!list.offer(vi)) {
vi.flush();
}
}
list.forEach(Image::flush);
});
Thread t2 = new Thread(() -> {
while (!isComplete()) {
VolatileImage vi = list.poll();
if (vi != null) {
vi.flush();
}
}
});
Thread t3 = new Thread(() -> {
while (!isComplete()) {
vi.createGraphics().drawImage(bi, 1, 1, null);
}
});
Thread t4 = new Thread(() -> {
while (!isComplete()) {
vi.createGraphics().drawGlyphVector(gv, 0, 0);
vi.createGraphics().drawOval(0, 0, 10, 10);
vi.createGraphics().drawLine(0, 0, 10, 10);
vi.createGraphics().drawString("123", 1, 1);
vi.createGraphics().draw(new Rectangle(0, 0, 10, 10));
vi.createGraphics().fillOval(0, 0, 10, 10);
final Graphics2D graphics = vi.createGraphics();
graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
graphics.fillPolygon(new int[] {0, 10, 10, 0},
new int [] {0, 0, 10, 10}, 4);
}
});
t1.start();
t2.start();
t3.start();
t4.start();
t1.join();
t2.join();
t3.join();
t4.join();
if (failed != null) {
System.err.println("Test failed");
failed.printStackTrace();
}
}
private static boolean isComplete() {
return endtime - System.nanoTime() < 0 || failed != null;
}
}
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