public void WeeklyTime_CompareTo()
{
var zoo = new WeeklyTime(DayOfWeek.Monday, 0, 0, 0);
var foo = new WeeklyTime(DayOfWeek.Monday, 1, 1, 1);
var moo = new WeeklyTime(DayOfWeek.Monday, 1, 1, 1);
var bar = new WeeklyTime(DayOfWeek.Monday, 2, 2, 2);
Assert.True(foo.CompareTo(bar) == -1);
Assert.True(foo.CompareTo(moo) == 0);
Assert.True(foo.CompareTo(zoo) == 1);
}
public void WeeklyTime_CompareToInvalid()
{
var did_throw = false;
var zoo = new WeeklyTime(DayOfWeek.Monday, 0, 0, 0);
var boo = new object();
try
{
zoo.CompareTo(boo);
}
catch (ArgumentException)
{
did_throw = true;
}
Assert.True(did_throw);
}
/// <summary>
/// This method returns the next RouteInstance to depart from the given the date time.
///
/// If the Route has no deliveryTimes, the method will return null. Otherwise, it will return a RouteInstance with
/// the DateTime of the next delivery time.
/// </summary>
/// <param name="time"></param>
/// <returns></returns>
public RouteInstance GetNextDeparture(DateTime time)
{
if (departureTimes.Count == 0) {
return null;
}
var asWeeklyTime = new WeeklyTime(time);
// find next departure time
WeeklyTime nextDeparture = null;
foreach (WeeklyTime departureTime in departureTimes)
{
var value = asWeeklyTime.CompareTo(departureTime);
if ( value <= 0)
{
nextDeparture = departureTime;
break;
}
}
int extraMinutes = 0; // extra time to add if the departureTime is next week.
// if no deliveries this week, get first one next week.
if (nextDeparture == null) {
nextDeparture = departureTimes[0];
extraMinutes = WeeklyTime.MINUTES_IN_A_WEEK;
}
// work out datetime
int minutesDifference = (int)(nextDeparture.Value.TotalMinutes - asWeeklyTime.Value.TotalMinutes) + extraMinutes;
var departureDateTime = time.AddMinutes(minutesDifference);
// create and return route instance
return new RouteInstance(this, departureDateTime);
}