public void TestReadMultipleTreeLevels() { POIDataSamples _samples = POIDataSamples.GetPublisherInstance(); FileStream sample = _samples.GetFile("Sample.pub"); DocumentInputStream stream; NPOIFSFileSystem npoifs = new NPOIFSFileSystem(sample); try { sample = _samples.GetFile("Sample.pub"); OPOIFSFileSystem opoifs = new OPOIFSFileSystem(sample); // Ensure we have what we expect on the root Assert.AreEqual(npoifs, npoifs.Root.NFileSystem); Assert.AreEqual(npoifs, npoifs.Root.FileSystem); Assert.AreEqual(null, npoifs.Root.OFileSystem); Assert.AreEqual(null, opoifs.Root.FileSystem); Assert.AreEqual(opoifs, opoifs.Root.OFileSystem); Assert.AreEqual(null, opoifs.Root.NFileSystem); // Check inside foreach (DirectoryNode root in new DirectoryNode[] { opoifs.Root, npoifs.Root }) { // Top Level Entry top = root.GetEntry("Contents"); Assert.AreEqual(true, top.IsDocumentEntry); stream = root.CreateDocumentInputStream(top); stream.Read(); // One Level Down DirectoryNode escher = (DirectoryNode)root.GetEntry("Escher"); Entry one = escher.GetEntry("EscherStm"); Assert.AreEqual(true, one.IsDocumentEntry); stream = escher.CreateDocumentInputStream(one); stream.Read(); // Two Levels Down DirectoryNode quill = (DirectoryNode)root.GetEntry("Quill"); DirectoryNode quillSub = (DirectoryNode)quill.GetEntry("QuillSub"); Entry two = quillSub.GetEntry("CONTENTS"); Assert.AreEqual(true, two.IsDocumentEntry); stream = quillSub.CreateDocumentInputStream(two); stream.Read(); } } finally { npoifs.Close(); } }