public void getPresentValueTest()
{
List <ICashTransaction> cashTransactions = new List <ICashTransaction>();
ICashTransactionFactory cashTransactionFactory = new MockCashTransactionFactory();
DateTime date = DateTime.Today.Subtract(new TimeSpan(365, 6, 0, 0, 0)); // exactly one year ago (year = 365.25 days)
decimal amount = 500m;
cashTransactions.Add(cashTransactionFactory.create(date, amount));
ICashAnalysis cashAnalysis = new CashAnalysis();
PrivateObject privateCashAnalysis = new PrivateObject(cashAnalysis);
Assert.AreEqual(750d, privateCashAnalysis.Invoke("getPresentValue", cashTransactions, .5));
cashTransactions.Add(cashTransactionFactory.create(date, amount));
Assert.AreEqual(1500d, privateCashAnalysis.Invoke("getPresentValue", cashTransactions, .5));
}
public void getRateOfReturnTest()
{
List <ICashTransaction> cashTransactions = new List <ICashTransaction>();
ICashTransactionFactory cashTransactionFactory = new MockCashTransactionFactory();
DateTime date = DateTime.Today.Subtract(new TimeSpan(365, 6, 0, 0, 0)); // exactly one year ago (year = 365.25 days)
decimal amount = 500;
ICashTransaction cashTransaction = cashTransactionFactory.create(date, amount);
cashTransactions.Add(cashTransaction);
ICashAnalysis cashAnalysis = new CashAnalysis();
Assert.AreEqual(.5, cashAnalysis.getRateOfReturn(cashTransactions, 750d));
cashTransaction = cashTransactionFactory.create(date, amount);
cashTransactions.Add(cashTransaction);
Assert.AreEqual(.5, cashAnalysis.getRateOfReturn(cashTransactions, 1500d));
}
