public void Default () 
		{
			PrincipalPermissionAttribute a = new PrincipalPermissionAttribute (SecurityAction.Assert);
			Assert.IsNull (a.Name, "Name");
			Assert.IsNull (a.Role, "Role");
			Assert.IsTrue (a.Authenticated, "Authenticated");
			Assert.AreEqual (a.ToString (), a.TypeId.ToString (), "TypeId");
			Assert.IsFalse (a.Unrestricted, "Unrestricted");

			PrincipalPermission perm = (PrincipalPermission) a.CreatePermission ();
			Assert.IsNotNull (perm, "CreatePermission");
		}