public static void TestCalcAvgCommPriceByLastNTrades()
{
Random rnd = new Random();
double excepted = 0;
int n = rnd.Next(20, 100);
int id = rnd.Next(0, 10);
Transaction[] transactions = new Transaction[100];
for (int i = 0; i < transactions.Length; i++)
{
transactions[i] = new Transaction(DateTime.Now, id, rnd.Next(10, 40), rnd.Next(1, 40));
}
Transaction[] someTransactions = new Transaction[n];
for (int i = 0; i < someTransactions.Length; i++)
{
someTransactions[i] = transactions[transactions.Length - n + i];
}
for (int i = 0; i < someTransactions.Length; i++)
{
excepted += (double)someTransactions[i].getPrice();
}
excepted = excepted / (double)n;
double result = Statistics.CalcAvgCommPrice(someTransactions);
Assert.AreEqual(excepted, result);
}
public static void TestCalcAvgPrice()
{
Random rnd = new Random();
Transaction first = new Transaction(0, 12, rnd.Next(0, 50));
Transaction second = new Transaction(1, 10, rnd.Next(0, 50));
Transaction third = new Transaction(2, 15, rnd.Next(0, 50));
Transaction fourth = new Transaction(3, 14, rnd.Next(0, 50));
Transaction fifth = new Transaction(4, 11, rnd.Next(0, 50));
Transaction[] transactions = { first, second, third, fourth, fifth };
double excepted = 0;
for (int i = 0; i < transactions.Length; i++)
{
excepted += transactions[i].getPrice();
}
excepted = excepted / (double)transactions.Length;
double leastTradedComm = Statistics.CalcAvgCommPrice(transactions);
Assert.AreEqual(excepted, leastTradedComm);
}
