public void ShouldReturnNextYear(Month month, DayOfTheWeek day, DayOfTheWeekIndex index, string expected)
{
var date = DateTime.Parse("2017-01-01");
var expectedDate = DateTime.Parse(expected);
var actual = date.AddRelativeYears(1, month, day, index);
Assert.Equal(expectedDate, actual);
}
public void ShouldReturnNextMonth(DayOfTheWeek day, DayOfTheWeekIndex index, string from, string expected)
{
var date = DateTime.Parse(from);
var expectedDate = DateTime.Parse(expected);
var actual = date.AddRelativeMonths(1, day, index);
Assert.Equal(expectedDate, actual);
}
/// <summary>
/// Initializes a new instance of the <see cref="TimeChangeRecurrence"/> class.
/// </summary>
/// <param name="dayOfTheWeekIndex">The index of the day in the month at which the time change occurs.</param>
/// <param name="dayOfTheWeek">The day of the week the time change occurs.</param>
/// <param name="month">The month the time change occurs.</param>
public TimeChangeRecurrence(
DayOfTheWeekIndex dayOfTheWeekIndex,
DayOfTheWeek dayOfTheWeek,
Month month)
: this()
{
this.dayOfTheWeekIndex = dayOfTheWeekIndex;
this.dayOfTheWeek = dayOfTheWeek;
this.month = month;
}
/// <summary>
/// Initializes a new instance of the <see cref="RelativeMonthlyPattern"/> class.
/// </summary>
/// <param name="startDate">The date and time when the recurrence starts.</param>
/// <param name="interval">The number of months between each occurrence.</param>
/// <param name="dayOfTheWeek">The day of the week each occurrence happens.</param>
/// <param name="dayOfTheWeekIndex">The relative position of the day within the month.</param>
public RelativeMonthlyPattern(
DateTime startDate,
int interval,
DayOfTheWeek dayOfTheWeek,
DayOfTheWeekIndex dayOfTheWeekIndex)
: base(startDate, interval)
{
this.DayOfTheWeek = dayOfTheWeek;
this.DayOfTheWeekIndex = dayOfTheWeekIndex;
}
/// <summary>
/// Initializes a new instance of the <see cref="TimeChangeRecurrence"/> class.
/// </summary>
/// <param name="dayOfTheWeekIndex">The index of the day in the month at which the time change occurs.</param>
/// <param name="dayOfTheWeek">The day of the week the time change occurs.</param>
/// <param name="month">The month the time change occurs.</param>
public TimeChangeRecurrence(
DayOfTheWeekIndex dayOfTheWeekIndex,
DayOfTheWeek dayOfTheWeek,
Month month)
: this()
{
this.dayOfTheWeekIndex = dayOfTheWeekIndex;
this.dayOfTheWeek = dayOfTheWeek;
this.month = month;
}
/// <summary>
/// Initializes a new instance of the <see cref="RelativeMonthlyPattern"/> class.
/// </summary>
/// <param name="startDate">The date and time when the recurrence starts.</param>
/// <param name="interval">The number of months between each occurrence.</param>
/// <param name="dayOfTheWeek">The day of the week each occurrence happens.</param>
/// <param name="dayOfTheWeekIndex">The relative position of the day within the month.</param>
public RelativeMonthlyPattern(
DateTime startDate,
int interval,
DayOfTheWeek dayOfTheWeek,
DayOfTheWeekIndex dayOfTheWeekIndex)
: base(startDate, interval)
{
this.DayOfTheWeek = dayOfTheWeek;
this.DayOfTheWeekIndex = dayOfTheWeekIndex;
}
/// <summary>
/// Initializes a new instance of the <see cref="RelativeYearlyPattern"/> class.
/// </summary>
/// <param name="startDate">The date and time when the recurrence starts.</param>
/// <param name="month">The month of the year each occurrence happens.</param>
/// <param name="dayOfTheWeek">The day of the week each occurrence happens.</param>
/// <param name="dayOfTheWeekIndex">The relative position of the day within the month.</param>
public RelativeYearlyPattern(
DateTime startDate,
Month month,
DayOfTheWeek dayOfTheWeek,
DayOfTheWeekIndex dayOfTheWeekIndex)
: base(startDate)
{
this.Month = month;
this.DayOfTheWeek = dayOfTheWeek;
this.DayOfTheWeekIndex = dayOfTheWeekIndex;
}
private static DateTime Calculate(DayOfTheWeek dayOfTheWeek, DayOfTheWeekIndex dayOfTheWeekIndex, int month, int year)
{
if (dayOfTheWeekIndex == DayOfTheWeekIndex.Last)
{
int daysInMonth = DateTime.DaysInMonth(year, month);
var lastDayOfMonth = new DateTime(year, month, daysInMonth);
while (!CheckDayOfWeek(lastDayOfMonth.DayOfWeek, dayOfTheWeek))
{
lastDayOfMonth = lastDayOfMonth.AddDays(-1);
}
return(lastDayOfMonth);
}
else
{
int count = (int)dayOfTheWeekIndex;
var day = new DateTime(year, month, 1);
do
{
if (CheckDayOfWeek(day.DayOfWeek, dayOfTheWeek))
{
if (count != 0)
{
count--;
}
else
{
return(day);
}
}
day = day.AddDays(1);
} while (true);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="RelativeYearlyPattern"/> class.
/// </summary>
/// <param name="startDate">The date and time when the recurrence starts.</param>
/// <param name="month">The month of the year each occurrence happens.</param>
/// <param name="dayOfTheWeek">The day of the week each occurrence happens.</param>
/// <param name="dayOfTheWeekIndex">The relative position of the day within the month.</param>
public RelativeYearlyPattern(
DateTime startDate,
Month month,
DayOfTheWeek dayOfTheWeek,
DayOfTheWeekIndex dayOfTheWeekIndex)
: base(startDate)
{
this.Month = month;
this.DayOfTheWeek = dayOfTheWeek;
this.DayOfTheWeekIndex = dayOfTheWeekIndex;
}
/// <summary>
/// Initializes a new instance of the <see cref="RelativeMonthlyPattern"/> class.
/// </summary>
/// <param name="startDate">The date and time when the recurrence starts.</param>
/// <param name="interval">The number of months between each occurrence.</param>
/// <param name="dayOfTheWeek">The day of the week each occurrence happens.</param>
/// <param name="dayOfTheWeekIndex">The relative position of the day within the month.</param>
RelativeMonthlyPattern(
DateTime startDate,
int interval,
DayOfTheWeek dayOfTheWeek,
DayOfTheWeekIndex dayOfTheWeekIndex)
: super(startDate, interval)
/// <summary>
/// Returns a new <see cref="System.DateTime"/> that adds the relative number of years to the value of this instance.
/// </summary>
/// <param name="datetime">The datetime.</param>
/// <param name="value">The value.</param>
/// <param name="month">The month.</param>
/// <param name="dayOfTheWeek">The day of the week.</param>
/// <param name="dayOfTheWeekIndex">Index of the day of the week.</param>
public static DateTime AddRelativeYears(this DateTime datetime, int value, Month month, DayOfTheWeek dayOfTheWeek, DayOfTheWeekIndex dayOfTheWeekIndex)
{
return(Calculate(dayOfTheWeek, dayOfTheWeekIndex, (int)month, datetime.Year + value).Add(datetime.TimeOfDay));
}
/// <summary>
/// Returns a new <see cref="System.DateTime"/> that adds the relative number of months to the value of this instance.
/// </summary>
/// <param name="datetime">The datetime.</param>
/// <param name="value">The value.</param>
/// <param name="dayOfTheWeek">The day of the week.</param>
/// <param name="dayOfTheWeekIndex">Index of the day of the week.</param>
public static DateTime AddRelativeMonths(this DateTime datetime, int value, DayOfTheWeek dayOfTheWeek, DayOfTheWeekIndex dayOfTheWeekIndex)
{
var v = datetime.AddMonths(value);
return(Calculate(dayOfTheWeek, dayOfTheWeekIndex, v.Month, v.Year).Add(datetime.TimeOfDay));
}
/// <summary>
/// Initializes a new instance of the <see cref="RelativeYearlyPattern"/> class.
/// </summary>
/// <param name="startDate">The date and time when the recurrence starts.</param>
/// <param name="month">The month of the year each occurrence happens.</param>
/// <param name="dayOfTheWeek">The day of the week each occurrence happens.</param>
/// <param name="dayOfTheWeekIndex">The relative position of the day within the month.</param>
RelativeYearlyPattern(
DateTime startDate,
Month month,
DayOfTheWeek dayOfTheWeek,
DayOfTheWeekIndex dayOfTheWeekIndex)
: super(startDate)
