public void TestCalculateOverDueAmountWithoutInterest() { LoanProduct package = new LoanProduct { InstallmentType = new InstallmentType(1, "Monthly", 0, 1), LoanType = OLoanTypes.Flat, ChargeInterestWithinGracePeriod = true, Currency = new Currency { Id = 1 } }; Loan myContract = new Loan(package, 1000, 0.03m, 6, 1, new DateTime(2006, 1, 1), new User(), ApplicationSettings.GetInstance(""), NonWorkingDateSingleton.GetInstance(""), ProvisionTable.GetInstance(new User()), ChartOfAccounts.GetInstance(new User())); Assert.AreEqual(30m, myContract.GetInstallment(0).InterestsRepayment.Value); Assert.AreEqual(0m, myContract.GetInstallment(0).CapitalRepayment.Value); Assert.AreEqual(new DateTime(2006, 2, 1), myContract.GetInstallment(0).ExpectedDate); Assert.AreEqual(30m, myContract.GetInstallment(1).InterestsRepayment.Value); Assert.AreEqual(200m, myContract.GetInstallment(1).CapitalRepayment.Value); Assert.AreEqual(new DateTime(2006, 3, 1), myContract.GetInstallment(1).ExpectedDate); Assert.AreEqual(new DateTime(2006, 4, 3), myContract.GetInstallment(2).ExpectedDate); Assert.AreEqual(0m, myContract.CalculateOverduePrincipal(new DateTime(2006, 1, 9)).Value); Assert.AreEqual(400m, myContract.CalculateOverduePrincipal(new DateTime(2006, 4, 9)).Value); Assert.AreEqual(400m, myContract.CalculateOverduePrincipal(new DateTime(2006, 4, 9)).Value); myContract.Repay(1, new DateTime(2006, 2, 1), 30, true, false); Assert.AreEqual(400m, myContract.CalculateOverduePrincipal(new DateTime(2006, 4, 9)).Value); myContract.Repay(2, new DateTime(2006, 3, 1), 230, true, false); Assert.AreEqual(200m, myContract.CalculateOverduePrincipal(new DateTime(2006, 4, 9)).Value); myContract.Repay(3, new DateTime(2006, 4, 3), 130, true, false); Assert.AreEqual(100m, myContract.CalculateOverduePrincipal(new DateTime(2006, 4, 9)).Value); }