77 lines
2.6 KiB
Java
77 lines
2.6 KiB
Java
/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 6967419
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* @summary Test verifies that when we force stop PNG writing to
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* ImageOutputStream, it should not cause IndexOutOfBoundException.
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* @run main PngForceStopWritingTest
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*/
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import java.awt.Color;
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import java.awt.GradientPaint;
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import java.awt.Graphics2D;
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import java.awt.image.BufferedImage;
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import java.io.IOException;
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import java.io.OutputStream;
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import javax.imageio.ImageIO;
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import javax.imageio.stream.ImageOutputStream;
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public class PngForceStopWritingTest {
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public static void main(String[] args) throws IOException {
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OutputStream outputStream = new NullOutputStream();
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ImageOutputStream imageOutputStream =
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ImageIO.createImageOutputStream(outputStream);
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try {
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ImageIO.write(createImage(2048),"PNG", imageOutputStream);
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} catch (IOException e) {
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imageOutputStream.close();
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}
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}
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private static BufferedImage createImage(int size) {
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BufferedImage image = new
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BufferedImage(size, size, BufferedImage.TYPE_3BYTE_BGR);
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Graphics2D g = image.createGraphics();
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g.setPaint(new GradientPaint(0, 0, Color.blue, size, size, Color.red));
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g.fillRect(0, 0, size, size);
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g.dispose();
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return image;
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}
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static class NullOutputStream extends OutputStream {
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long count = 0;
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@Override
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public void write(int b) throws IOException {
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count++;
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if (count > 30000L) {
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throw new IOException("Force stop image writing");
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}
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}
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}
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}
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