/* * 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 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; } }