201 lines
8.1 KiB
Java
201 lines
8.1 KiB
Java
/*
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* Copyright (c) 2012, 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 5082756
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* @summary ensure that boolean attributes follow ( "TRUE" | "FALSE" )
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* including correct (i.e. upper) case
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*
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* @run main BooleanAttributes
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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.StringReader;
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import java.util.Arrays;
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import java.util.List;
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import javax.imageio.IIOImage;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageReader;
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import javax.imageio.ImageTypeSpecifier;
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import javax.imageio.ImageWriteParam;
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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.ImageInputStream;
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import javax.imageio.stream.ImageOutputStream;
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import javax.imageio.stream.MemoryCacheImageInputStream;
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import javax.imageio.stream.MemoryCacheImageOutputStream;
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import javax.xml.transform.Result;
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import javax.xml.transform.Source;
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import javax.xml.transform.TransformerFactory;
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import javax.xml.transform.dom.DOMResult;
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import javax.xml.transform.stream.StreamSource;
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import javax.xml.xpath.XPath;
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import javax.xml.xpath.XPathConstants;
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import javax.xml.xpath.XPathFactory;
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import org.w3c.dom.Document;
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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 BooleanAttributes {
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private static TransformerFactory transformerFactory =
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TransformerFactory.newInstance();
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private static XPath xpathEngine = XPathFactory.newInstance().newXPath();
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public static void main(String[] args) throws Exception {
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test("image/png", false, "<javax_imageio_1.0 />",
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"Chroma/BlackIsZero/@value",
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"Compression/Lossless/@value");
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test("image/png", false,
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"<javax_imageio_png_1.0>" +
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"<iTXt><iTXtEntry keyword='Comment' compressionFlag='TRUE' " +
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"compressionMethod='0' languageTag='en' " +
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"translatedKeyword='comment' text='foo'/></iTXt>" +
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"</javax_imageio_png_1.0>",
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"iTXt/iTXtEntry/@compressionFlag");
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test("image/png", false,
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"<javax_imageio_png_1.0>" +
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"<iTXt><iTXtEntry keyword='Comment' compressionFlag='FALSE' " +
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"compressionMethod='0' languageTag='en' " +
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"translatedKeyword='comment' text='foo'/></iTXt>" +
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"</javax_imageio_png_1.0>",
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"iTXt/iTXtEntry/@compressionFlag");
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test("image/gif", false, "<javax_imageio_1.0 />",
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"Chroma/BlackIsZero/@value",
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"Compression/Lossless/@value");
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test("image/gif", false,
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"<javax_imageio_gif_image_1.0>" +
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"<ImageDescriptor imageLeftPosition='0' imageTopPosition='0' " +
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"imageWidth='16' imageHeight='16' interlaceFlag='TRUE' />" +
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"<LocalColorTable sizeOfLocalColorTable='2' " +
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"backgroundColorIndex='1' sortFlag='TRUE'>" +
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"<ColorTableEntry index='0' red='0' green='0' blue='0' />" +
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"<ColorTableEntry index='1' red='255' green='255' blue='255' />" +
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"</LocalColorTable>" +
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"<GraphicControlExtension disposalMethod='doNotDispose' " +
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"userInputFlag='FALSE' transparentColorFlag='TRUE' " +
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"delayTime='100' transparentColorIndex='1' />" +
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"</javax_imageio_gif_image_1.0>",
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"ImageDescriptor/@interlaceFlag",
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"LocalColorTable/@sortFlag",
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"GraphicControlExtension/@userInputFlag",
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"GraphicControlExtension/@transparentColorFlag");
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test("image/gif", true,
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"<javax_imageio_gif_stream_1.0>" +
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"<GlobalColorTable sizeOfGlobalColorTable='2' " +
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"backgroundColorIndex='1' sortFlag='TRUE'>" +
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"<ColorTableEntry index='0' red='0' green='0' blue='0' />" +
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"<ColorTableEntry index='1' red='255' green='255' blue='255' />" +
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"</GlobalColorTable>" +
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"</javax_imageio_gif_stream_1.0>",
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"GlobalColorTable/@sortFlag");
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test("image/jpeg", false, "<javax_imageio_1.0 />",
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"Compression/Lossless/@value");
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}
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private static void transform(Source src, Result dst)
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throws Exception
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{
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transformerFactory.newTransformer().transform(src, dst);
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}
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private static void verify(Node meta, String[] xpaths, boolean required)
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throws Exception
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{
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for (String xpath: xpaths) {
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NodeList list = (NodeList)
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xpathEngine.evaluate(xpath, meta, XPathConstants.NODESET);
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if (list.getLength() == 0 && required)
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throw new AssertionError("Missing value: " + xpath);
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for (int i = 0; i < list.getLength(); ++i) {
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String value = list.item(i).getNodeValue();
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if (!(value.equals("TRUE") || value.equals("FALSE")))
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throw new AssertionError(xpath + " has value " + value);
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}
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}
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}
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public static void test(String mimeType, boolean useStreamMeta,
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String metaXml, String... boolXpaths)
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throws Exception
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{
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BufferedImage img =
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new BufferedImage(16, 16, BufferedImage.TYPE_INT_RGB);
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ImageWriter iw = ImageIO.getImageWritersByMIMEType(mimeType).next();
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ByteArrayOutputStream os = new ByteArrayOutputStream();
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ImageOutputStream ios = new MemoryCacheImageOutputStream(os);
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iw.setOutput(ios);
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ImageWriteParam param = null;
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IIOMetadata streamMeta = iw.getDefaultStreamMetadata(param);
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IIOMetadata imageMeta =
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iw.getDefaultImageMetadata(new ImageTypeSpecifier(img), param);
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IIOMetadata meta = useStreamMeta ? streamMeta : imageMeta;
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Source src = new StreamSource(new StringReader(metaXml));
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DOMResult dst = new DOMResult();
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transform(src, dst);
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Document doc = (Document)dst.getNode();
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Element node = doc.getDocumentElement();
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String metaFormat = node.getNodeName();
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// Verify that the default metadata gets formatted correctly.
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verify(meta.getAsTree(metaFormat), boolXpaths, false);
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meta.mergeTree(metaFormat, node);
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// Verify that the merged metadata gets formatte correctly.
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verify(meta.getAsTree(metaFormat), boolXpaths, true);
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iw.write(streamMeta, new IIOImage(img, null, imageMeta), param);
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iw.dispose();
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ios.close();
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ImageReader ir = ImageIO.getImageReader(iw);
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byte[] bytes = os.toByteArray();
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if (bytes.length == 0)
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throw new AssertionError("Zero length image file");
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ByteArrayInputStream is = new ByteArrayInputStream(bytes);
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ImageInputStream iis = new MemoryCacheImageInputStream(is);
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ir.setInput(iis);
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if (useStreamMeta) meta = ir.getStreamMetadata();
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else meta = ir.getImageMetadata(0);
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// Verify again after writing and re-reading the image
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verify(meta.getAsTree(metaFormat), boolXpaths, true);
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}
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public static void xtest(Object... eatAnyArguments) {
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System.err.println("Disabled test! Change xtest back into test!");
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}
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}
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