public void CanAddExtendedUriProperty()
 {
     vCard v = new vCard();
       v.AddExtendedProperty("where", "http://here.net", new vCardUriProperty("ldap://somefellow"));
       vCardUriProperty p = v.GetExtendedProperty("where", "http://here.net") as vCardUriProperty;
       Assert.IsNotNull(p);
       Assert.AreEqual("ldap://somefellow", p.ToString());
       Assert.AreEqual("ldap://somefellow", p.Uri);
 }
 public void CanAddExtendedTextProperty()
 {
     vCard v = new vCard();
       v.AddExtendedProperty("why", "http://because.net", new vCardTextProperty("It is red"));
       vCardTextProperty p = v.GetExtendedProperty("why", "http://because.net") as vCardTextProperty;
       Assert.IsNotNull(p);
       Assert.AreEqual("It is red", p.ToString());
       Assert.AreEqual("It is red", p.Text);
 }