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); }