private void ValidateStandardModulusWeightSumCalculation(string sc, string an, string mappingString, int expected) { var details = new BankAccountDetails(sc, an) { WeightMappings = new [] { ModulusWeightMapping.From(mappingString) } }; var actual = _checker.GetModulusSum(details, details.WeightMappings.First()); Assert.AreEqual(expected, actual); }