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.Graphics2D; 26 import java.awt.GraphicsConfiguration; 27 import java.awt.GraphicsEnvironment; 28 import java.awt.Image; 29 import java.awt.Rectangle; 30 import java.awt.RenderingHints; 31 import java.awt.font.FontRenderContext; 32 import java.awt.font.GlyphVector; 33 import java.awt.image.BufferedImage; 34 import java.awt.image.VolatileImage; 35 import java.util.concurrent.ArrayBlockingQueue; 36 import java.util.concurrent.BlockingQueue; 37 import java.util.concurrent.TimeUnit; 38 39 import static java.awt.image.BufferedImage.TYPE_INT_ARGB; 40 41 /** 42 * @test 43 * @bug 8158072 7172749 44 */ 45 public final class ClassCastExceptionForInvalidSurface { 46 47 static GraphicsEnvironment ge 48 = GraphicsEnvironment.getLocalGraphicsEnvironment(); 49 50 static GraphicsConfiguration gc 51 = ge.getDefaultScreenDevice().getDefaultConfiguration(); 52 53 static volatile VolatileImage vi = gc.createCompatibleVolatileImage(10, 10); 54 55 static volatile Throwable failed; 56 57 static BlockingQueue<VolatileImage> list = new ArrayBlockingQueue<>(50); 58 59 // Will run the test no more than 15 seconds 60 static long endtime = System.nanoTime() + TimeUnit.SECONDS.toNanos(15); 61 62 public static void main(final String[] args) throws InterruptedException { 63 64 // Catch all uncaught exceptions and treat them as test failure 65 Thread.setDefaultUncaughtExceptionHandler((t, e) -> failed = e); 66 67 // Data for rendering 68 BufferedImage bi = new BufferedImage(10, 10, TYPE_INT_ARGB); 69 FontRenderContext frc = new FontRenderContext(null, false, false); 70 Font font = new Font("Serif", Font.PLAIN, 12); 71 GlyphVector gv = font.createGlyphVector(frc, new char[]{'a', '1'}); 72 73 Thread t1 = new Thread(() -> { 74 while (!isComplete()) { 75 vi = gc.createCompatibleVolatileImage(10, 10); 76 if (!list.offer(vi)) { 77 vi.flush(); 78 } 79 } 80 list.forEach(Image::flush); 81 }); 82 Thread t2 = new Thread(() -> { 83 while (!isComplete()) { 84 VolatileImage vi = list.poll(); 85 if (vi != null) { 86 vi.flush(); 87 } 88 } 89 }); 90 91 Thread t3 = new Thread(() -> { 92 while (!isComplete()) { 93 vi.createGraphics().drawImage(bi, 1, 1, null); 94 } 95 }); 96 Thread t4 = new Thread(() -> { 97 while (!isComplete()) { 98 vi.createGraphics().drawGlyphVector(gv, 0, 0); 99 vi.createGraphics().drawOval(0, 0, 10, 10); 100 vi.createGraphics().drawLine(0, 0, 10, 10); 101 vi.createGraphics().drawString("123", 1, 1); 102 vi.createGraphics().draw(new Rectangle(0, 0, 10, 10)); 103 vi.createGraphics().fillOval(0, 0, 10, 10); 104 final Graphics2D graphics = vi.createGraphics(); 105 graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, 106 RenderingHints.VALUE_ANTIALIAS_ON); 107 graphics.fillPolygon(new int[] {0, 10, 10, 0}, 108 new int [] {0, 0, 10, 10}, 4); 109 } 110 }); 111 t1.start(); 112 t2.start(); 113 t3.start(); 114 t4.start(); 115 t1.join(); 116 t2.join(); 117 t3.join(); 118 t4.join(); 119 120 if (failed != null) { 121 System.err.println("Test failed"); 122 failed.printStackTrace(); 123 } 124 } 125 126 private static boolean isComplete() { 127 return endtime - System.nanoTime() < 0 || failed != null; 128 } 129 }