public static decimal CalculateTotalPay(Customer.Family family, DateTime startTime, DateTime endTime)
{
StartTimeValidator.ValidateStartTime(startTime.TimeOfDay);
EndTimeValidator.ValidateEndTime(endTime.TimeOfDay);
if (startTime > endTime)
{
throw new StartTimeGreaterThanEndTimeException();
}
var hoursBetween = (endTime - startTime).Hours;
//determine first hour
var firstHour = startTime.Hour;
//loop control
var inLoopTimeSpan = new TimeSpan(firstHour, 0, 0);
//return variable
var totalPay = 0.00m;
for (int i = 0; i < hoursBetween; i++) //full hours are billed
{
totalPay += family.PayStructure[inLoopTimeSpan.Hours];
inLoopTimeSpan = inLoopTimeSpan.Add(new TimeSpan(1, 0, 0));
}
return(totalPay);
}
public void TestEndTime()
{
//end time is valid
DateTime endTime = new DateTime(2019, 10, 2, 2, 0, 0);
Assert.AreEqual(true, EndTimeValidator.ValidateEndTime(endTime.TimeOfDay));
//end time is invalid
endTime = new DateTime(2019, 10, 2, 5, 0, 0);
Assert.AreEqual(false, EndTimeValidator.ValidateEndTime(endTime.TimeOfDay));
}