1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  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 import java.awt.Font;
  25 import java.awt.GraphicsConfiguration;
  26 import java.awt.GraphicsEnvironment;
  27 import java.awt.Image;
  28 import java.awt.Rectangle;
  29 import java.awt.font.FontRenderContext;
  30 import java.awt.font.GlyphVector;
  31 import java.awt.image.BufferedImage;
  32 import java.awt.image.VolatileImage;
  33 import java.util.concurrent.ArrayBlockingQueue;
  34 import java.util.concurrent.BlockingQueue;
  35 import java.util.concurrent.TimeUnit;
  36 
  37 import static java.awt.image.BufferedImage.TYPE_INT_ARGB;
  38 
  39 /**
  40  * @test
  41  * @bug 8158072
  42  */
  43 public final class ClassCastExceptionForInvalidSurface {
  44 
  45     static GraphicsEnvironment ge
  46             = GraphicsEnvironment.getLocalGraphicsEnvironment();
  47 
  48     static GraphicsConfiguration gc
  49             = ge.getDefaultScreenDevice().getDefaultConfiguration();
  50 
  51     static volatile VolatileImage vi = gc.createCompatibleVolatileImage(10, 10);
  52 
  53     static volatile Throwable failed;
  54 
  55     static BlockingQueue<VolatileImage> list = new ArrayBlockingQueue<>(50);
  56 
  57     // Will run the test no more than 15 seconds
  58     static long endtime = System.nanoTime() + TimeUnit.SECONDS.toNanos(15);
  59 
  60     public static void main(final String[] args) throws InterruptedException {
  61 
  62         // Catch all uncaught exceptions and treat them as test failure
  63         Thread.setDefaultUncaughtExceptionHandler((t, e) -> failed = e);
  64 
  65         // Data for rendering
  66         BufferedImage bi = new BufferedImage(10, 10, TYPE_INT_ARGB);
  67         FontRenderContext frc = new FontRenderContext(null, false, false);
  68         Font font = new Font("Serif", Font.PLAIN, 12);
  69         GlyphVector gv = font.createGlyphVector(frc, new char[]{'a', '1'});
  70 
  71         Thread t1 = new Thread(() -> {
  72             while (!isComplete()) {
  73                 vi = gc.createCompatibleVolatileImage(10, 10);
  74                 if (!list.offer(vi)) {
  75                     vi.flush();
  76                 }
  77             }
  78             list.forEach(Image::flush);
  79         });
  80         Thread t2 = new Thread(() -> {
  81             while (!isComplete()) {
  82                 VolatileImage vi = list.poll();
  83                 if (vi != null) {
  84                     vi.flush();
  85                 }
  86             }
  87         });
  88 
  89         Thread t3 = new Thread(() -> {
  90             while (!isComplete()) {
  91                 vi.createGraphics().drawImage(bi, 1, 1, null);
  92             }
  93         });
  94         Thread t4 = new Thread(() -> {
  95             while (!isComplete()) {
  96                 vi.createGraphics().drawGlyphVector(gv, 0, 0);
  97                 vi.createGraphics().drawOval(0, 0, 10, 10);
  98                 vi.createGraphics().drawLine(0, 0, 10, 10);
  99                 vi.createGraphics().drawString("123", 1, 1);
 100                 vi.createGraphics().draw(new Rectangle(0, 0, 10, 10));
 101                 vi.createGraphics().fillOval(0, 0, 10, 10);
 102             }
 103         });
 104         t1.start();
 105         t2.start();
 106         t3.start();
 107         t4.start();
 108         t1.join();
 109         t2.join();
 110         t3.join();
 111         t4.join();
 112 
 113         if (failed != null) {
 114             System.err.println("Test failed");
 115             failed.printStackTrace();
 116         }
 117     }
 118 
 119     private static boolean isComplete() {
 120         return endtime - System.nanoTime() < 0 || failed != null;
 121     }
 122 }