diff -r 4ebc2e2fb97c -r 71c04702a3d5 test/jdk/sun/java2d/ClassCastExceptionForInvalidSurface.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/jdk/sun/java2d/ClassCastExceptionForInvalidSurface.java Tue Sep 12 19:03:39 2017 +0200 @@ -0,0 +1,130 @@ +/* + * 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; + } +}