public void CanCalculateRecurrenceSet()
{
#region Arrange
var validStartDateTime = new DateTime(2014, 1, 31);
const int validMonthsBetweenOccurrences = 2;
DateTime validEndDateTime = validStartDateTime.AddMonths(9);
var validDayOfMonthMonthlyRecurrence = new DayOfMonthMonthlyRecurrence(validStartDateTime,
validMonthsBetweenOccurrences, validEndDateTime);
var expectedRecurrenceSet = new List<DateTime>
{
validStartDateTime, // 1/31/2014 (January)
validStartDateTime.AddMonths(2), // 3/31/2014 (March)
validStartDateTime.AddMonths(4), // 5/31/2014 (May)
validStartDateTime.AddMonths(6) // 7/31/2014 (July)
// no 9/31/2014 (September) because September only has 30 days so its skipped
};
#endregion
#region Act
IEnumerable<DateTime> recurrenceSet = validDayOfMonthMonthlyRecurrence.CalculateRecurrenceSet();
#endregion
#region Assert
Assert.IsTrue(expectedRecurrenceSet.SequenceEqual(recurrenceSet));
#endregion
}
public void CalculatedRecurrenceSetPagingWorks()
{
#region Arrange
var validStartDateTime = new DateTime(2014, 1, 31);
const int validMonthsBetweenOccurrences = 2;
DateTime validEndDateTime = validStartDateTime.AddMonths(9);
var validDayOfMonthMonthlyRecurrence = new DayOfMonthMonthlyRecurrence(validStartDateTime,
validMonthsBetweenOccurrences, validEndDateTime);
var expectedRecurrenceSet = new List<DateTime>
{
validStartDateTime.AddMonths(2), // 3/31/2014 (March)
validStartDateTime.AddMonths(4) // 5/31/2014 (May)
};
#endregion
#region Act
const int validSkip = 1;
const int validTake = 2;
IEnumerable<DateTime> recurrenceSet = validDayOfMonthMonthlyRecurrence.CalculateRecurrenceSet(
validSkip, validTake);
#endregion
#region Assert
Assert.IsTrue(expectedRecurrenceSet.SequenceEqual(recurrenceSet));
#endregion
}
public void CalculatedRecurrenceSetFilteringWorks()
{
#region Arrange
var validStartDateTime = new DateTime(2014, 1, 31);
const int validMonthsBetweenOccurrences = 2;
DateTime validEndDateTime = validStartDateTime.AddMonths(9);
var validDayOfMonthMonthlyRecurrence = new DayOfMonthMonthlyRecurrence(validStartDateTime,
validMonthsBetweenOccurrences, validEndDateTime);
var expectedRecurrenceSet = new List<DateTime>
{
validStartDateTime.AddMonths(2), // 3/31/2014 (March)
validStartDateTime.AddMonths(4), // 5/31/2014 (May)
validStartDateTime.AddMonths(6) // 7/31/2014 (July)
};
#endregion
#region Act
var validDateTimeWindow = new DateTimeWindow(validStartDateTime.AddDays(1),
validEndDateTime.Subtract(TimeSpan.FromDays(1)));
IEnumerable<DateTime> recurrenceSet =
validDayOfMonthMonthlyRecurrence.CalculateRecurrenceSet(dateTimeWindow: validDateTimeWindow);
#endregion
#region Assert
Assert.IsTrue(expectedRecurrenceSet.SequenceEqual(recurrenceSet));
#endregion
}
public void CalculatedRecurrenceSetEnforcesExcludedDates()
{
#region Arrange
var validStartDateTime = new DateTime(2014, 1, 31);
const int validMonthsBetweenOccurrences = 2;
DateTime validEndDateTime = validStartDateTime.AddMonths(9);
var validDayOfMonthMonthlyRecurrence = new DayOfMonthMonthlyRecurrence(validStartDateTime,
validMonthsBetweenOccurrences, validEndDateTime);
validDayOfMonthMonthlyRecurrence.Exclude(validStartDateTime.AddMonths(2));
var expectedRecurrenceSet = new List<DateTime>
{
validStartDateTime, // 1/31/2014 (January)
validStartDateTime.AddMonths(4), // 5/31/2014 (May)
validStartDateTime.AddMonths(6) // 7/31/2014 (July)
};
#endregion
#region Act
IEnumerable<DateTime> recurrenceSet = validDayOfMonthMonthlyRecurrence.CalculateRecurrenceSet();
#endregion
#region Assert
Assert.IsTrue(expectedRecurrenceSet.SequenceEqual(recurrenceSet));
#endregion
}