public void YearlyBillingIsCorrect()
{
var recurringPayment = new RecurringPaymentInfo {
Interval = Interval.FromIsoDuration("P1Y"),
Start = new DateTime(2008, 1, 1)
};
Assert.AreEqual(TimeUnit.Year, recurringPayment.GetTimeUnit());
Assert.AreEqual(1, recurringPayment.GetTimeUnitFrequency());
var cycle = BillingCycle.CalculateFirst(
start: recurringPayment.Start,
interval: recurringPayment.Interval
);
Assert.AreEqual(TimeUnit.Year, cycle.GetTimeUnit());
Assert.AreEqual(new DateTime(2008, 1, 1), cycle.Start);
Assert.AreEqual(new DateTime(2009, 1, 1), cycle.End);
var nextCycle = cycle.CalculateNext();
Assert.AreEqual(TimeUnit.Year, nextCycle.GetTimeUnit());
Assert.AreEqual(1, nextCycle.GetTimeFrequency());
Assert.AreEqual(new DateTime(2009, 1, 1), nextCycle.Start);
Assert.AreEqual(new DateTime(2010, 1, 1), nextCycle.End);
nextCycle = nextCycle.CalculateNext();
Assert.AreEqual(TimeUnit.Year, nextCycle.GetTimeUnit());
Assert.AreEqual(1, nextCycle.GetTimeFrequency());
Assert.AreEqual(new DateTime(2010, 1, 1), nextCycle.Start);
Assert.AreEqual(new DateTime(2011, 1, 1), nextCycle.End);
}
public void DailyBillingIsCorrect()
{
var cycle = BillingCycle.CalculateFirst(
start: new DateTime(2008, 1, 1),
interval: Interval.Daily(30)
);
Assert.AreEqual(TimeUnit.Day, cycle.GetTimeUnit());
Assert.AreEqual(30, cycle.GetTimeFrequency());
Assert.AreEqual(30, cycle.Period.TimeSpan.Days);
Assert.AreEqual(new DateTime(2008, 1, 31), cycle.End);
var nextCycle = cycle.CalculateNext();
Assert.AreEqual(TimeUnit.Day, nextCycle.GetTimeUnit());
Assert.AreEqual(30, nextCycle.GetTimeFrequency());
Assert.AreEqual(new DateTime(2008, 1, 31), nextCycle.Start);
Assert.AreEqual(new DateTime(2008, 3, 1), nextCycle.End); // 29 days in Feb 2008
}