78 lines
2.9 KiB
Java
78 lines
2.9 KiB
Java
/*
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* Copyright (c) 2016, 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 8167281
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* @summary Test verifies that accessing nth item in NodeList doesn't throw
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* IndexOutOfBoundsException.
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* @run main NthItemNodeListTest
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*/
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageReader;
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import javax.imageio.metadata.IIOMetadata;
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import javax.imageio.metadata.IIOMetadataFormatImpl;
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import javax.imageio.stream.ImageInputStream;
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import javax.imageio.stream.MemoryCacheImageInputStream;
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import org.w3c.dom.Element;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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public class NthItemNodeListTest {
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public static void main(String[] args) throws IOException {
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// Generate some trivial image and save it to a temporary array
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ByteArrayOutputStream tmp = new ByteArrayOutputStream();
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ImageIO.write(new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB),
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"gif", tmp);
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// Read it back in
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ImageInputStream in = new MemoryCacheImageInputStream(
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new ByteArrayInputStream(tmp.toByteArray()));
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ImageReader reader = ImageIO.getImageReaders(in).next();
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reader.setInput(in);
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// Retrieve standard image metadata tree
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IIOMetadata meta = reader.getImageMetadata(0);
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if (meta == null || !meta.isStandardMetadataFormatSupported()) {
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throw new Error("Test failure: Missing metadata");
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}
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Element root = (Element) meta.
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getAsTree(IIOMetadataFormatImpl.standardMetadataFormatName);
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NodeList nodeList = root.
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getElementsByTagName(root.getFirstChild().getNodeName());
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/*
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* Accessing the nth node should return null and not throw
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* IndexOutOfBoundsException.
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*/
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Node n = (nodeList.item(nodeList.getLength()));
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}
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}
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