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