public void ComposedConversion()
        {
            string message = "It's à tèst with a basic document.";

            //Convert a string document to a base64 document
            DocumentConverter <string> documentConverter = DocumentConverter
                                                           .STRING
                                                           .Compose(DocumentConverter.BASE64);

            Document document       = documentConverter.Get(message);
            string   stringDocument = documentConverter.Get(document);

            Assert.AreEqual(message, stringDocument);
        }