public void TestRenamePrefix()
 {
     Dictionary<string, OntologyAttribute> dict = CreateRealisticNamespaceDictionary();
     nsm = new NamespaceManager(dict);
     Assert.IsNotNull(nsm["Name1"]);
     Assert.IsTrue(nsm.Count == 4);
     Assert.IsTrue(nsm.Count == 4);
     nsm.Rename("Name1", "Name5");
     Assert.IsNull(nsm["Name1"]);
     Assert.IsNotNull(nsm["Name5"]);
     Assert.IsTrue(nsm.Count == 4);
 }
 public void TestRenameADefaultNamespace()
 {
     Dictionary<string, OntologyAttribute> dict = CreateRealisticNamespaceDictionary();
     nsm = new NamespaceManager(dict);
     Assert.IsTrue(nsm.HasDefault == false);
     nsm.Default = new OntologyAttribute
     {
         BaseUri = "BaseUri5",
         GraphName = "GraphName5",
         Name = "Name5",
         Prefix = "Prefix5",
         UrlOfOntology = "UrlOfOntology5"
     };
     Assert.IsTrue(nsm.HasDefault == true);
     nsm.Rename("", "Name5");
     Assert.IsTrue(nsm.HasDefault == false);
 }