public void MarengoCaveCovRoss() { var test = new AdversePossession() { SubjectProperty = new LegalProperty("part of 'Marengo Cave'") { IsEntitledTo = lp => lp is Ross, IsInPossessionOf = lp => lp is MarengoCaveCo }, Consent = Consent.NotGiven(), EntitledOwnersAction = Act.DueDiligence(), Inception = new DateTime(1908, 1, 1), //time the case was written Terminus = new DateTime(1937, 1, 1), IsContinuousPossession = lp => true, IsExclusivePossession = lp => true, IsOpenNotoriousPossession = lp => false }; var testResult = test.IsValid(new MarengoCaveCo(), new Ross()); Assert.IsFalse(testResult); Console.WriteLine(test.ToString()); }