public List<Transaction> GetTransactionBalance()
{
int leftOverBuys = 0;
FinYear theYearBefore = new FinYear(YearForStcg.StartYear-1);
Instrument theBuyInstrument = Transactions[0].Instrument;
for (int i = 0; i < Transactions.Count;)
{
if (Transactions[i].Date.CompareTo(theYearBefore.GetTaxationPeriod().Value.StartDate) > 0)
{
break;
}
if (Transactions[i].GetType() == typeof(BuyTransaction))
{
leftOverBuys += Transactions[i].Quantity;
Transactions.Remove(Transactions[i]);
}
else if (Transactions[i].GetType() == typeof(SellTransaction))
{
leftOverBuys -= Transactions[i].Quantity;
Transactions.Remove(Transactions[i]);
}
}
BuyTransaction theBuyToAppendToList = new BuyTransaction(new DateTime(2008, 06, 01), theBuyInstrument, leftOverBuys, new Price(0),0, 0);
if (theBuyToAppendToList.Quantity > 0)
{
// Transactions.Insert(0, theBuyToAppendToList);
for (int i = 0; i < Transactions.Count;i++)
{
if (Transactions[i].GetType() == typeof (SellTransaction))
{
leftOverBuys -= Transactions[i].Quantity;
if(leftOverBuys<0)
{
Transactions[i].Quantity = -leftOverBuys;
break;
}
else if(leftOverBuys>0)
{
Transactions.Remove(Transactions[i]);
i--;
}
}
}
}
return Transactions;
}
public void ShouldBeAbleToCreateATransactionShowingRemainingQuantityOfInstrumentForAllBuyAndSellBeforeOneYearPriorToTaxCalculationYear()
{
Instrument share = new Stock(new Symbol("REL"), new Price(10.00), "Rel*iance Power");
Transaction buyTransaction1 = new BuyTransaction(new DateTime(2005, 06, 01), share, 20, new Price(10.00), 5.00, 3.00);
Transaction sellTransaction1 = new SellTransaction(new DateTime(2006, 01, 01), share, 10, new Price(20.00), 5.00, 3.00);
Transaction buyTransaction2 = new BuyTransaction(new DateTime(2006, 12, 01), share, 10, new Price(30.00), 5.00, 3.00);
Transaction sellTransaction2 = new SellTransaction(new DateTime(2007, 08, 01), share, 10, new Price(50.00), 5.00, 3.00);
// The balance at end of this should be a Buy with 10 shares left.
// These transactions below will not be considered.
Transaction buyTransaction3 = new BuyTransaction(new DateTime(2008, 06, 01), share, 20, new Price(10.00), 5.00, 3.00);
Transaction sellTransaction3 = new SellTransaction(new DateTime(2009, 01, 01), share, 10, new Price(20.00), 5.00, 3.00);
Transaction buyTransaction4 = new BuyTransaction(new DateTime(2008, 12, 01), share, 10, new Price(10.00), 5.00, 3.00);
Transaction sellTransaction4 = new SellTransaction(new DateTime(2009, 08, 01), share, 10, new Price(20.00), 5.00, 3.00);
List<Transaction> listTransaction = new List<Transaction> { buyTransaction1, sellTransaction1, buyTransaction2, sellTransaction2, buyTransaction3, sellTransaction3, buyTransaction4, sellTransaction4 };
ShortTermTaxCalculator TaxCalculator = new ShortTermTaxCalculator(listTransaction, new FinYear(2009));
List<Transaction> listOfValidTransactionsForSTCG = TaxCalculator.GetTransactionBalance();
Assert.AreEqual(10,listOfValidTransactionsForSTCG[0].Quantity);
}
