| /* |
| * 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; |
| } |
| } |