public void ExtensibleSerializationWithOneExtension()
        {
            ExtensibleXmlGraphSerializer ser = new ExtensibleXmlGraphSerializer();
            Graph g = GetTestGraph();

            IXmlExtension extension = new TestExtension();

            ser.RegisterExtension(extension);

            XDocument doc = ser.Serialize(g);

            Assert.IsNotNull(doc);

            ExtensionXmlNames extNames   = new ExtensionXmlNames();
            XElement          extensions = doc.Root.Element(extNames.ExtensionListElement);

            Assert.IsNotNull(extensions);
        }
        public void ExtensibleDeserialization()
        {
            ExtensibleXmlGraphSerializer ser = new ExtensibleXmlGraphSerializer();
            Graph g = GetTestGraph();

            IXmlExtension extension = new TestExtension();

            ser.RegisterExtension(extension);

            XDocument doc  = ser.Serialize(g);
            string    path = Path.GetTempFileName();

            doc.Save(path);

            Assert.IsTrue(File.Exists(path));

            ExtensibleXmlGraphDeserializer extDeser = new ExtensibleXmlGraphDeserializer();
            var result = extDeser.Load(path);

            Assert.IsNotNull(result);
            Assert.IsNotNull(result.Graph);
            Assert.AreEqual(1, result.Extensions.Count);
        }