72 lines
2.5 KiB
Java
72 lines
2.5 KiB
Java
/*
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* Copyright (c) 2004, 2017, 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 4895547
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* @summary Test verifies that mergeTree() of JPEGMetadata does not throw the
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* NPE
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*/
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageTypeSpecifier;
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import javax.imageio.ImageWriter;
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import javax.imageio.metadata.IIOMetadata;
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import javax.imageio.stream.ImageOutputStream;
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import org.w3c.dom.Node;
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public class MergeTreeTest {
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public static void main(String[] args) throws IOException {
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ImageWriter iw =
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(ImageWriter)ImageIO.getImageWritersByFormatName("jpeg").next();
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ImageTypeSpecifier type =
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ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_RGB);
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ImageOutputStream ios =
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ImageIO.createImageOutputStream(new File("MergeTreeTest.jpeg"));
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iw.setOutput(ios);
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IIOMetadata meta = iw.getDefaultImageMetadata(type, null);
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boolean isFailed = false;
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String[] fmts = meta.getMetadataFormatNames();
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for (int i=0; i<fmts.length; i++) {
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System.out.print("Format: " + fmts[i] + " ... ");
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Node root = meta.getAsTree(fmts[i]);
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try {
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meta.mergeTree(fmts[i], root);
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} catch (NullPointerException e) {
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throw new RuntimeException("Test failed for format " + fmts[i], e);
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}
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System.out.println("PASSED");
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}
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}
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}
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