/*

 * 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");

            }

        }

    }

}