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 }