gt: 				List<Exception> inp = new ArrayList<Exception>();
context: /*
   * Sleuth Kit Data Model
   *
   * Copyright 2013 Basis Technology Corp.
   * Contact: carrier <at> sleuthkit <dot> org
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.sleuthkit.datamodel;
  
  import java.io.BufferedOutputStream;
  import java.io.FileOutputStream;
  import java.io.FileWriter;
  import java.io.IOException;
  import java.io.OutputStreamWriter;
  import java.nio.charset.Charset;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  import java.util.Scanner;
  import java.util.logging.Level;
  import java.util.logging.Logger;
  import static org.junit.Assert.*;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.Parameterized;
  
  /**
   * Compares the Java test output to the C++ test output. Basic concept is to run
   * tsk_gettimes on an image to get the body file format and then make equivalent
   * output from Java code. Diff. Does not use gold standards.
   */
  @RunWith(Parameterized.class)
  public class CPPtoJavaCompare extends ImgTraverser {
  
  	private static final Logger logg = Logger.getLogger(CPPtoJavaCompare.class.getName());
  
  	public CPPtoJavaCompare(List<String> imagePaths) {
  		testName = DataModelTestSuite.CPP;
  		this.imagePaths = imagePaths;
  	}
  
  	/**
  	 * Get the sets of filenames for each test image
  	 *
  	 * @return A Collection of one-element Object arrays, where that one element
  	 * is a List<String> containing the image file paths (the type is weird
  	 * because that's what JUnit wants for parameters).
  	 */
  	@Parameterized.Parameters
  	public static Collection<Object[]> testImageData() {
  		Collection<Object[]> data = new ArrayList<Object[]>();
  
  		for (Object imagePaths : DataModelTestSuite.getImagePaths()) {
  			data.add(new Object[]{imagePaths});
  		}
  		return data;
  	}
  
  	/**
  	 * Runs the test
  	 */
  	@Test
  	public void testCppToJavaDiff() {
  		try {
  			// generate the C++ output and store it in gold standard -- even though it won't be checked in -- redesign this!
  			String standardPathCPP = DataModelTestSuite.standardFilePath(imagePaths, DataModelTestSuite.CPP);
  			java.io.File tskOutFile = new java.io.File(standardPathCPP);
  			// get rid of copy from previous runs
  			tskOutFile.delete();
  
  			runTskGetTimes(standardPathCPP, imagePaths);
  
  			assertTrue("TSK gettimes output is zero sized (" + standardPathCPP + ")", tskOutFile.length() > 0);
  
  			// perform test
  			List<Boolean> test = basicTest();
  
  			// compare exceptions
  			assertEquals("Generated exceptions  (" + outputExceptionsPath + ") differ with gold standards (" + goldExceptionsPath + ") .", test.get(0), true);
  
  			//compare sorted output instead of unsorted output
  			String goldFilePathSorted = DataModelTestSuite.sortedFlPth(goldFilePath);
  			String outputFilePathSorted = DataModelTestSuite.sortedFlPth(outputFilePath);
  			List<Boolean> ret = new ArrayList<Boolean>(1);
  			ret.add(DataModelTestSuite.comparecontent(goldFilePathSorted, outputFilePathSorted));
  			assertEquals("Java output (" + outputFilePathSorted + ") differ with C++ results (" + goldFilePathSorted + ") .", ret.get(0), true);
  		} catch (Exception ex) {
  			fail("Couldn't open gold standard file. " + ex.getMessage());
  		}
  	}
  
  	/**
  	 * Runs tsk_gettimes to create a standard for comparing DataModel and TSK
  	 * output.
  	 *
  	 * @param outputFile The path to the file to put the tsk data in. Sorted
  	 * results will be stored in separate file.
  	 * @param img the path to the image, is a list for compatability reasons
  	 */
  	private static void runTskGetTimes(String outputFile, List<String> img) {
  		String tsk_loc;
  		java.io.File up = new java.io.File(System.getProperty("user.dir"));
  		up = up.getParentFile();
  		up = up.getParentFile();
  		if (System.getProperty("os.name").contains("Windows")) {
  			tsk_loc = up.getAbsolutePath() + "\\win32\\Release\\tsk_gettimes.exe";
  		} else {
  			tsk_loc = up.getAbsolutePath() + "/tools/autotools/tsk_gettimes";
  		}
  
  		// verify it exists
  		java.io.File f = new java.io.File(tsk_loc);
  		assertTrue("cannot find tsk_gettimes method", f.exists());
  
  		String[] cmd = {tsk_loc, img.get(0)};
  		try {
  			Process p = Runtime.getRuntime().exec(cmd);
  			Scanner read = new Scanner(p.getInputStream());
  			Scanner error1 = new Scanner(p.getErrorStream());
  			FileWriter out = new FileWriter(outputFile);
  			while (read.hasNextLine()) {
  				String line = read.nextLine();
  				line = line.replace(" (deleted)", "");
  				line = line.replace("(null)", "");
  				//removes unknown data attached to metaAddr
  				String[] linecontents = line.split("\\|");
  				String metaaddrcon = linecontents[2];
  				String mtad = metaaddrcon.split("\\-")[0];
  				line = line.replace(metaaddrcon, mtad);
  				out.append(line);
  				out.flush();
  				out.append("\n");
  			}
  			DataModelTestSuite.runSort(outputFile);
  		} catch (Exception ex) {
  			logg.log(Level.SEVERE, "Failed to run CPP program", ex);
  		}
  
  		java.io.File xfile = new java.io.File(DataModelTestSuite.exceptionPath(outputFile));
  		try {
  			xfile.createNewFile();
  		} catch (IOException ex) {
  			logg.log(Level.SEVERE, "Failed to create exceptions file", ex);
  		}
  	}
  
  	/**
  	 * gets the metadata from a datamodel file object
  	 *
  	 * @param fi
  	 * @return
  	 * @throws TskCoreException
  	 */
  	private static String convertToBodyFileFormat(FsContent fi) throws TskCoreException {
  		String[] path = fi.getUniquePath().split("/", 3);
  		String name;
  		if (path[2].contains("vol_")) {
  			String[] pthget = path[2].split("_", 2);
  			name = pthget[pthget.length - 1];
  		} else {
  			name = path[2];
  		}
  		name = name.replaceAll("[^\\x20-\\x7e]", "");
  		String prpnd;
  		if (fi.isFile()) {
  			prpnd = "r/";
  		} else {
  			prpnd = "d/";
  		}
  		if (fi.isVirtual() && !fi.isDir()) {
  			prpnd = "v/";
  		}
  		return ("0|" + name + "|" + fi.metaAddr + "|" + fi.getMetaTypeAsString() + "/" + fi.getModesAsString() + "|" + fi.getUid() + "|0|" + fi.getSize() + "|" + fi.getAtime() + "|" + fi.getMtime() + "|" + fi.getCtime() + "|" + fi.getCrtime());
  	}
  
  	/**
  	 * Traverses through an image and generates a TSK gettimes like
  	 * representation
  	 *
  	 * @param sk the sleuthkit case used for the traversal
  	 * @param path the location of the output file
  	 * @return the file writer to be closed by testStandard
  	 */
  	@Override
  	public OutputStreamWriter traverse(SleuthkitCase sk, String path) {
  		OutputStreamWriter reslt;
  		try {
  			reslt = new OutputStreamWriter(new BufferedOutputStream(new FileOutputStream(path), 8192 * 4), Charset.forName("UTF-8"));
  			try {
  				tskTraverse(sk.getRootObjects(), reslt);
  				return reslt;
  			} catch (TskCoreException ex) {
  