91 lines
3.3 KiB
Java
91 lines
3.3 KiB
Java
/*
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* Copyright (c) 2023, 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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import java.awt.image.BufferedImage;
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import java.awt.image.ColorModel;
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import java.awt.image.ImageConsumer;
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import java.util.Hashtable;
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/**
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* @test
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* @bug 4200096
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* @summary This makes sure NPE's that come from the ImageConsumer are still printed to System.err
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* @author Jeremy Wood
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*/
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/**
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* This test makes sure that if an ImageConsumer throws a NullPointerException: that NPE
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* should be printed to System.err.
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* <p>
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* Most of the discussion around JDK-4200096 focuses on how we handle NPE's that come from
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* OffScreenImageSource itself, but this test checks how we handle NPE's that come from
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* the ImageConsumer that's listening to an OffScreenImageSource.
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* </p>
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* <p>
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* This test is enforcing a legacy behavior.
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* </p>
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*/
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public class LegitimateNullPointerTest {
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public static void main(String[] args) throws Exception {
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try (AutoCloseable setup = bug4200096.setupTest(true)) {
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BufferedImage bufferedImage = new BufferedImage(10, 10, BufferedImage.TYPE_INT_ARGB);
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bufferedImage.getSource().addConsumer(new ImageConsumer() {
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@Override
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public void setDimensions(int width, int height) {
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throw new NullPointerException();
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}
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@Override
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public void setProperties(Hashtable<?, ?> props) {
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// intentionally empty
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}
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@Override
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public void setColorModel(ColorModel model) {
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// intentionally empty
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}
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@Override
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public void setHints(int hintflags) {
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// intentionally empty
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}
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@Override
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public void setPixels(int x, int y, int w, int h, ColorModel model, byte[] pixels, int off, int scansize) {
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// intentionally empty
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}
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@Override
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public void setPixels(int x, int y, int w, int h, ColorModel model, int[] pixels, int off, int scansize) {
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// intentionally empty
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}
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@Override
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public void imageComplete(int status) {
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// intentionally empty
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}
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});
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}
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}
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} |