--- /dev/null 2015-11-06 15:10:30.971801000 +0530 +++ new/test/javax/imageio/plugins/png/PngForceStopWritingTest.java 2015-11-06 15:35:39.996414999 +0530 @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2015, 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. + */ + +/** + * @test + * @bug 6967419 + * @summary Test verifies that when we force stop PNG writing to + * ImageOutputStream, it should not cause IndexOutOfBoundException. + * @run main PngForceStopWritingTest + */ + +import java.awt.Color; +import java.awt.GradientPaint; +import java.awt.Graphics2D; +import java.awt.image.BufferedImage; +import java.io.IOException; +import java.io.OutputStream; +import javax.imageio.ImageIO; +import javax.imageio.stream.ImageOutputStream; + +public class PngForceStopWritingTest { + + public static void main(String[] args) throws IOException { + + OutputStream outputStream = new NullOutputStream(); + ImageOutputStream imageOutputStream = + ImageIO.createImageOutputStream(outputStream); + try { + ImageIO.write(createImage(2048),"PNG", imageOutputStream); + } catch (IOException e) { + imageOutputStream.close(); + } + } + + private static BufferedImage createImage(int size) { + + BufferedImage image = new + BufferedImage(size, size, BufferedImage.TYPE_3BYTE_BGR); + Graphics2D g = image.createGraphics(); + g.setPaint(new GradientPaint(0, 0, Color.blue, size, size, Color.red)); + g.fillRect(0, 0, size, size); + g.dispose(); + return image; + } + + static class NullOutputStream extends OutputStream { + long count = 0; + @Override + public void write(int b) throws IOException { + count++; + if (count > 30000L) { + throw new IOException("Force stop image writing"); + } + } + } +}