protected void setUp() throws Exception {
String dirname = System.getProperty("HDGF.testdata.path");
String filename = dirname + "/Test_Visio-Some_Random_Text.vsd";
ptrFactory = new PointerFactory(11);
chunkFactory = new ChunkFactory(11);
FileInputStream fin = new FileInputStream(filename);
POIFSFileSystem filesystem = new POIFSFileSystem(fin);
DocumentEntry docProps =