1 /* 2 * Copyright (c) 2015, 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 /** 25 * @test 26 * @bug 6967419 27 * @summary Test verifies that when we force stop PNG writing to 28 * ImageOutputStream, it should not cause IndexOutOfBoundException. 29 * @run main PngForceStopWritingTest 30 */ 31 32 import java.awt.Color; 33 import java.awt.GradientPaint; 34 import java.awt.Graphics2D; 35 import java.awt.image.BufferedImage; 36 import java.io.IOException; 37 import java.io.OutputStream; 38 import javax.imageio.ImageIO; 39 import javax.imageio.stream.ImageOutputStream; 40 41 public class PngForceStopWritingTest { 42 43 public static void main(String[] args) throws IOException { 44 45 OutputStream outputStream = new NullOutputStream(); 46 ImageOutputStream imageOutputStream = 47 ImageIO.createImageOutputStream(outputStream); 48 try { 49 ImageIO.write(createImage(2048),"PNG", imageOutputStream); 50 } catch (IOException e) { 51 imageOutputStream.close(); 52 } 53 } 54 55 private static BufferedImage createImage(int size) { 56 57 BufferedImage image = new 58 BufferedImage(size, size, BufferedImage.TYPE_3BYTE_BGR); 59 Graphics2D g = image.createGraphics(); 60 g.setPaint(new GradientPaint(0, 0, Color.blue, size, size, Color.red)); 61 g.fillRect(0, 0, size, size); 62 g.dispose(); 63 return image; 64 } 65 66 static class NullOutputStream extends OutputStream { 67 long count = 0; 68 @Override 69 public void write(int b) throws IOException { 70 count++; 71 if (count > 30000L) { 72 throw new IOException("Force stop image writing"); 73 } 74 } 75 } 76 }