public void WeekDaysofMonthTest()
{
var firstTest = new MonthlyOccurrence(DateTime.MinValue, DateTime.MaxValue
, new Month[] { Month.January, Month.March }
, new WeekOfMonth[] { WeekOfMonth.First }
, new DayOfWeek[] { DayOfWeek.Sunday, DayOfWeek.Tuesday });
visualiseOccurrencesInRange(firstTest, today.AddDays(-today.DayOfYear), today.AddDays(365 - today.DayOfYear));
foreach (var dt in AOccurrence.DateRange(DateTime.MinValue, DateTime.MaxValue))
{
firstTest.GetNext(dt);
}
}
public void AllWeekDaysofMonthTest()
{
//Run for the whole date range for every week of the month for all days of the week.
var firstTest = new MonthlyOccurrence(DateTime.MinValue, DateTime.MaxValue
, EVERY_MONTH_OF_THE_YEAR
, new WeekOfMonth[] { WeekOfMonth.First, WeekOfMonth.Second, WeekOfMonth.Third, WeekOfMonth.Fourth, WeekOfMonth.Last }
, EVERY_DAY_OF_THE_WEEK);
// visualiseOccurrencesInRange(firstTest, today.AddDays(-today.DayOfYear), today.AddDays(365 - today.DayOfYear));
foreach (var dt in AOccurrence.DateRange(DateTime.MinValue, DateTime.MaxValue))
{
Assert.IsNotNull(firstTest.GetNext(dt));
}
}
/// <summary>
/// Return which Day of the month the date represents. For example :
/// July 17'th 2016 is the 3'rd Sunday of July 2016, therefore we would return WeekOfMonth.Third (0 based index)
/// </summary>
/// <param name="date">The day of the month</param>
/// <returns>Returns 0 first, 1, 2,3,4 or 5 (last) occurrence of the day of the week in the month</returns>
public static WeekOfMonth GetOrdinalInMonth(this DateTime date)
{
// create a range iterator of all the days in the month of the date
var range = AOccurrence.DateRange(new DateTime(date.Year, date.Month, 1),
new DateTime(date.Year, date.Month, DateTime.DaysInMonth(date.Year, date.Month))
);
// get oonly the days in the range where the days of the week of the date are the same...
//TODO: one can also do weird +7,-7 math until the bounds of the month are reached.. would that be that much faster???
var nextRange = range.Where(x => x.DayOfWeek == date.DayOfWeek);
// get the index of the day in the month where the date is the passed date
int ordinal = nextRange.Select((time, index) => new { time, index }).First(x => date == x.time).index;
if (ordinal < 0 || ordinal > 5)
{
throw new ApplicationException("Something went wrong with determining the Ordinal in the Month");
}
return((WeekOfMonth)ordinal);
}
//range(start_date, end_date):
//for n in range((end_date - start_date).days):
// yield start_date + datetime.timedelta(n)
/// <summary>
/// This method will draw the ocurrences on a timeline
/// </summary>
/// <param name="occ">An IOccurrence instance</param>
/// <param name="start"></param>
/// <param name="end"></param>
public void visualiseOccurrencesInRange(IOccurrence occ, DateTime?start = null, DateTime?end = null)
{
if (!end.HasValue)
{
end = occ.End;
}
if (!start.HasValue)
{
start = occ.Start;
}
Trace.WriteLine(String.Format(" Range from {0} to {1} ", start, end));
var now = DateTime.Now.Date;
Trace.Write("|");
foreach (var sd in AOccurrence.DateRange(start.Value, end.Value))
{
Trace.Write(String.Format(" {0,5:d} |", (sd - now).Days + 1));
}
Trace.Write("\n|");
foreach (var sd in AOccurrence.DateRange(start.Value, end.Value))
{
Trace.Write(String.Format("{0:yyyy-MM-dd}|", sd));
}
Trace.Write("\n|");
foreach (var sd in AOccurrence.DateRange(start.Value, end.Value))
{
if (sd == occ.GetNext(sd, true))
{
Trace.Write(String.Format("{0:yyyy-MM-dd}|", sd));
}
else
{
Trace.Write(" |");
}
}
}
public void EverySecondTuesdayOfTheMonth()
{
//Run for the whole date range for every week of the month for all days of the week.
var everySecondTuesday = new MonthlyOccurrence(DateTime.MinValue, DateTime.MaxValue
, EVERY_MONTH_OF_THE_YEAR
, new WeekOfMonth[] { WeekOfMonth.Second }
, new DayOfWeek[] { DayOfWeek.Tuesday });
visualiseOccurrencesInRange(everySecondTuesday, today.AddDays(-today.DayOfYear), today.AddDays(365 - today.DayOfYear));
foreach (var dt in AOccurrence.DateRange(DateTime.MinValue, DateTime.MaxValue))
{
var result = everySecondTuesday.GetNext(dt);
if (result.HasValue)
{
Assert.AreEqual(DayOfWeek.Tuesday, result.Value.DayOfWeek, $"Got result of {result} which is a {result.Value.DayOfWeek}");
}
//This test is inconclusive as it does not test the nulls
}
}
