52 lines
2.1 KiB
Java
52 lines
2.1 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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/**
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* @test
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* @bug 4200096
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* @summary OffScreenImageSource.addConsumer(null) shouldn't throw (or print) a NullPointerException
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* @author Jeremy Wood
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*/
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/**
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* This makes sure if OffScreenImageSource#addConsumer(null) is called: we
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* treat that as a no-op and return immediately.
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* <p>
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* This test exists primarily to make sure the resolution to 4200096 does not
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* significantly change legacy behavior. Whether or not a NPE is printed to
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* System.err is not a hotly contested question, but at one point one of the
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* proposed (and rejected) resolutions to 4200096 had the potential to
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* throw a NPE when addConsumer(null) was called. That would be a
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* significant change that we want to avoid.
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* </p>
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*/
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public class AddNullConsumerTest {
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public static void main(String[] args) throws Exception {
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try (AutoCloseable setup = bug4200096.setupTest(false)) {
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BufferedImage bufferedImage = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
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bufferedImage.getSource().addConsumer(null);
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}
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}
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} |