public void TestGetPaymentSum()
{
var testSubject = new Balance();
var dt = DateTime.Now;
testSubject.AddTransaction(dt.AddDays(-360), new Pecuniam(-450.0M));
testSubject.AddTransaction(dt.AddDays(-30), new Pecuniam(-461.0M));
testSubject.AddTransaction(dt.AddDays(-120), new Pecuniam(-458.0M));
testSubject.AddTransaction(dt.AddDays(-150), new Pecuniam(-457.0M));
testSubject.AddTransaction(dt.AddDays(-90), new Pecuniam(-459.0M));
testSubject.AddTransaction(dt.AddDays(-240), new Pecuniam(-454.0M));
testSubject.AddTransaction(dt.AddDays(-60), new Pecuniam(-460.0M));
testSubject.AddTransaction(dt.AddDays(-300), new Pecuniam(-452.0M));
testSubject.AddTransaction(dt.AddDays(-270), new Pecuniam(-453.0M));
testSubject.AddTransaction(dt.AddDays(-180), new Pecuniam(-456.0M));
testSubject.AddTransaction(dt.AddDays(-210), new Pecuniam(-455.0M));
testSubject.AddTransaction(dt.AddDays(-330), new Pecuniam(-451.0M));
//charges
testSubject.AddTransaction(dt.AddDays(-365), new Pecuniam(8000.0M));
testSubject.AddTransaction(dt.AddDays(-350), new Pecuniam(164.4M));
testSubject.AddTransaction(dt.AddDays(-198), new Pecuniam(165.4M));
testSubject.AddTransaction(dt.AddDays(-24), new Pecuniam(166.4M));
testSubject.AddTransaction(dt.AddDays(-74), new Pecuniam(167.4M));
testSubject.AddTransaction(dt.AddDays(-88), new Pecuniam(168.4M));
testSubject.AddTransaction(dt.AddDays(-92), new Pecuniam(169.4M));
testSubject.AddTransaction(dt.AddDays(-121), new Pecuniam(170.4M));
testSubject.AddTransaction(dt.AddDays(-180), new Pecuniam(171.4M));
testSubject.AddTransaction(dt.AddDays(-142), new Pecuniam(172.4M));
testSubject.AddTransaction(dt.AddDays(-155), new Pecuniam(173.4M));
var testResult =
testSubject.GetDebitSum(new Tuple<DateTime, DateTime>(dt.AddDays(-31).Date, DateTime.Now));
Assert.AreEqual(-461.0M, testResult.Amount);
testSubject.AddTransaction(dt.AddDays(-15), new Pecuniam(-120.0M));
testResult =
testSubject.GetDebitSum(new Tuple<DateTime, DateTime>(dt.AddDays(-31).Date, DateTime.Now));
Assert.AreEqual((-461.0M - 120.0M), testResult.Amount);
testResult = testSubject.GetDebitSum(new Tuple<DateTime, DateTime>(dt.AddDays(-365), dt));
Assert.AreEqual(-5466.0M - 120.0M, testResult.Amount);
testResult = testSubject.GetCreditSum(new Tuple<DateTime, DateTime>(dt.AddDays(-365), dt));
Assert.AreEqual(9689M, testResult.Amount);
}
public void TestGetCurrentNoInterest()
{
var testBalance = new Balance();
testBalance.AddTransaction(DateTime.Now.AddDays(-15), new Pecuniam(2000.0M));
testBalance.AddTransaction(DateTime.Now.AddDays(-12), new Pecuniam(-451.0M));
testBalance.AddTransaction(DateTime.Now.AddDays(-12), new Pecuniam(-101.91M));
testBalance.AddTransaction(DateTime.Now.AddDays(-12), new Pecuniam(-87.88M));
testBalance.AddTransaction(DateTime.Now.AddDays(-12), new Pecuniam(-32.47M));
testBalance.AddTransaction(DateTime.Now.AddDays(-12), new Pecuniam(-16.88M));
var testResult = testBalance.GetCurrent(DateTime.Now, 0);
Assert.AreEqual(1309.86M, testResult.Amount);
System.Diagnostics.Debug.WriteLine(testResult.Amount);
}
public void TestGetTransactionsFromUpTo()
{
//set some past date
var testBalance = new Balance();
var dt = DateTime.Today.ToUniversalTime();
testBalance.AddTransaction(dt.AddDays(-360), new Pecuniam(450.0M));
testBalance.AddTransaction(dt.AddDays(-180), new Pecuniam(450.0M));
testBalance.AddTransaction(dt.AddDays(-30), new Pecuniam(450.0M));
var testResult = testBalance.GetTransactionsBetween(dt.AddDays(-360), dt.AddDays(-180));
Assert.AreEqual(1, testResult.Count);
testResult = testBalance.GetTransactionsBetween(dt.AddDays(-360), dt.AddDays(-180), true);
Assert.AreEqual(2, testResult.Count);
testResult = testBalance.GetTransactionsBetween(dt.AddDays(-360), dt.AddDays(-179));
Assert.AreEqual(2, testResult.Count);
testResult = testBalance.GetTransactionsBetween(dt.AddDays(-360), dt);
Assert.AreEqual(3, testResult.Count);
}
public void TestTransactionsGetCurrentWithVariableRate()
{
//set some past date
var testBalance = new Balance();
var dt = DateTime.Now;
testBalance.AddTransaction(dt.AddDays(-360), new Pecuniam(450.0M));
//180 day spread
testBalance.AddTransaction(dt.AddDays(-180), new Pecuniam(450.0M));
//150 day spread
testBalance.AddTransaction(dt.AddDays(-30), new Pecuniam(450.0M));
//say there was not interest for the first 180 days
var testVariableRate = new Dictionary<DateTime, float>
{
{dt.AddDays(-180), 0.0F},
{dt.AddDays(-30), 0.055F},
{dt.AddDays(14), 0.195F}//30 days ago the rate jumped to usury
};
var testResult = testBalance.GetCurrent(dt, testVariableRate);
Assert.AreEqual(1392.68M, testResult.Amount);
}
public void TestTransactionsGetCurrent()
{
var testBalance = new Balance();
//monthly payments
testBalance.AddTransaction(DateTime.Now.AddDays(-360), new Pecuniam(-450.0M));
testBalance.AddTransaction(DateTime.Now.AddDays(-30), new Pecuniam(-461.0M));
testBalance.AddTransaction(DateTime.Now.AddDays(-120), new Pecuniam(-458.0M));
testBalance.AddTransaction(DateTime.Now.AddDays(-150), new Pecuniam(-457.0M));
testBalance.AddTransaction(DateTime.Now.AddDays(-90), new Pecuniam(-459.0M));
testBalance.AddTransaction(DateTime.Now.AddDays(-240), new Pecuniam(-454.0M));
testBalance.AddTransaction(DateTime.Now.AddDays(-60), new Pecuniam(-460.0M));
testBalance.AddTransaction(DateTime.Now.AddDays(-300), new Pecuniam(-452.0M));
testBalance.AddTransaction(DateTime.Now.AddDays(-270), new Pecuniam(-453.0M));
testBalance.AddTransaction(DateTime.Now.AddDays(-180), new Pecuniam(-456.0M));
testBalance.AddTransaction(DateTime.Now.AddDays(-210), new Pecuniam(-455.0M));
testBalance.AddTransaction(DateTime.Now.AddDays(-330), new Pecuniam(-451.0M));
//charges
testBalance.AddTransaction(DateTime.Now.AddDays(-365), new Pecuniam(8000.0M));
testBalance.AddTransaction(DateTime.Now.AddDays(-350), new Pecuniam(164.4M));
testBalance.AddTransaction(DateTime.Now.AddDays(-198), new Pecuniam(165.4M));
testBalance.AddTransaction(DateTime.Now.AddDays(-24), new Pecuniam(166.4M));
testBalance.AddTransaction(DateTime.Now.AddDays(-74), new Pecuniam(167.4M));
testBalance.AddTransaction(DateTime.Now.AddDays(-88), new Pecuniam(168.4M));
testBalance.AddTransaction(DateTime.Now.AddDays(-92), new Pecuniam(169.4M));
testBalance.AddTransaction(DateTime.Now.AddDays(-121), new Pecuniam(170.4M));
testBalance.AddTransaction(DateTime.Now.AddDays(-180), new Pecuniam(171.4M));
testBalance.AddTransaction(DateTime.Now.AddDays(-142), new Pecuniam(172.4M));
testBalance.AddTransaction(DateTime.Now.AddDays(-155), new Pecuniam(173.4M));
var testResult = testBalance.GetCurrent(DateTime.Now, 0.0875f);
Assert.IsTrue(testResult.Amount <= 4723.45M || testResult.Amount >= 4723.46M);
System.Diagnostics.Debug.WriteLine(testResult.Amount);
}
public void TestSort()
{
var testBalance = new Balance();
//monthly payments
var dt = DateTime.Now;
var oldestDt = dt.AddDays(-360);
var newestDt = dt.AddDays(-30);
testBalance.AddTransaction(oldestDt, new Pecuniam(-450.0M));
testBalance.AddTransaction(newestDt, new Pecuniam(-461.0M));
testBalance.AddTransaction(dt.AddDays(-120), new Pecuniam(-458.0M));
testBalance.AddTransaction(dt.AddDays(-150), new Pecuniam(-457.0M));
testBalance.AddTransaction(dt.AddDays(-90), new Pecuniam(-459.0M));
testBalance.AddTransaction(dt.AddDays(-240), new Pecuniam(-454.0M));
testBalance.AddTransaction(dt.AddDays(-60), new Pecuniam(-460.0M));
testBalance.AddTransaction(dt.AddDays(-300), new Pecuniam(-452.0M));
testBalance.AddTransaction(dt.AddDays(-270), new Pecuniam(-453.0M));
testBalance.AddTransaction(dt.AddDays(-180), new Pecuniam(-456.0M));
testBalance.AddTransaction(dt.AddDays(-210), new Pecuniam(-455.0M));
testBalance.AddTransaction(dt.AddDays(-330), new Pecuniam(-451.0M));
var testResult = testBalance.Transactions.FirstOrDefault();
Assert.IsNotNull(testResult);
Assert.IsTrue(testResult.AtTime.Date == oldestDt.Date);
testResult = testBalance.Transactions.LastOrDefault();
Assert.IsNotNull(testResult);
Assert.IsTrue(testResult.AtTime.Date == newestDt.Date);
}