| public Subtract ( System.DateTime start, System.TimeSpan offset, SeekBoundaryMode seekBoundaryMode = SeekBoundaryMode.Next ) : DateTime? | ||
| start | System.DateTime | |
| offset | System.TimeSpan | |
| seekBoundaryMode | SeekBoundaryMode | |
| return | DateTime? | |
public void PeriodLimitsSubtractTest()
{
DateTime test = new DateTime( 2011, 4, 30 );
TimeRange timeRange1 = new TimeRange( new DateTime( 2011, 4, 20 ), new DateTime( 2011, 4, 25 ) );
TimeRange timeRange2 = new TimeRange( DateTime.MinValue, new DateTime( 2011, 4, 10 ) );
CalendarDateAdd calendarDateAdd = new CalendarDateAdd();
calendarDateAdd.ExcludePeriods.Add( timeRange1 );
calendarDateAdd.ExcludePeriods.Add( timeRange2 );
Assert.AreEqual( calendarDateAdd.Subtract( test, new TimeSpan( 5, 0, 0, 0 ) ), timeRange1.Start );
Assert.IsNull( calendarDateAdd.Subtract( test, new TimeSpan( 20, 0, 0, 0 ) ) );
}
public void NoPeriodsTest()
{
DateTime test = new DateTime( 2011, 4, 12 );
CalendarDateAdd calendarDateAdd = new CalendarDateAdd();
Assert.AreEqual( calendarDateAdd.Add( test, TimeSpan.Zero ), test );
Assert.AreEqual( calendarDateAdd.Add( test, new TimeSpan( 1, 0, 0, 0 ) ), test.Add( new TimeSpan( 1, 0, 0, 0 ) ) );
Assert.AreEqual( calendarDateAdd.Add( test, new TimeSpan( -1, 0, 0, 0 ) ), test.Add( new TimeSpan( -1, 0, 0, 0 ) ) );
Assert.AreEqual( calendarDateAdd.Subtract( test, new TimeSpan( 1, 0, 0, 0 ) ), test.Subtract( new TimeSpan( 1, 0, 0, 0 ) ) );
Assert.AreEqual( calendarDateAdd.Subtract( test, new TimeSpan( -1, 0, 0, 0 ) ), test.Subtract( new TimeSpan( -1, 0, 0, 0 ) ) );
}