public void AddHalfyearsTest()
{
int currentYear = ClockProxy.Clock.Now.Year;
const YearMonth yearStartMonth = YearMonth.April;
TimeCalendar calendar = TimeCalendar.New( TimeSpan.Zero, TimeSpan.Zero, yearStartMonth );
DateTime calendarStartDate = new DateTime( currentYear, 4, 1 );
Halfyear calendarHalfyear = new Halfyear( currentYear, YearHalfyear.First, calendar );
Assert.AreEqual( calendarHalfyear.AddHalfyears( 0 ), calendarHalfyear );
Halfyear prevH1 = calendarHalfyear.AddHalfyears( -1 );
Assert.AreEqual( prevH1.YearHalfyear, YearHalfyear.Second );
Assert.AreEqual( prevH1.BaseYear, currentYear - 1 );
Assert.AreEqual( prevH1.Start, calendarStartDate.AddMonths( -6 ) );
Assert.AreEqual( prevH1.End, calendarStartDate );
Halfyear prevH2 = calendarHalfyear.AddHalfyears( -2 );
Assert.AreEqual( prevH2.YearHalfyear, YearHalfyear.First );
Assert.AreEqual( prevH2.BaseYear, currentYear - 1 );
Assert.AreEqual( prevH2.Start, calendarStartDate.AddMonths( -12 ) );
Assert.AreEqual( prevH2.End, calendarStartDate.AddMonths( -6 ) );
Halfyear prevH3 = calendarHalfyear.AddHalfyears( -3 );
Assert.AreEqual( prevH3.YearHalfyear, YearHalfyear.Second );
Assert.AreEqual( prevH3.BaseYear, currentYear - 2 );
Assert.AreEqual( prevH3.Start, calendarStartDate.AddMonths( -18 ) );
Assert.AreEqual( prevH3.End, calendarStartDate.AddMonths( -12 ) );
Halfyear futureH1 = calendarHalfyear.AddHalfyears( 1 );
Assert.AreEqual( futureH1.YearHalfyear, YearHalfyear.Second );
Assert.AreEqual( futureH1.BaseYear, currentYear );
Assert.AreEqual( futureH1.Start, calendarStartDate.AddMonths( 6 ) );
Assert.AreEqual( futureH1.End, calendarStartDate.AddMonths( 12 ) );
Halfyear futureH2 = calendarHalfyear.AddHalfyears( 2 );
Assert.AreEqual( futureH2.YearHalfyear, YearHalfyear.First );
Assert.AreEqual( futureH2.BaseYear, currentYear + 1 );
Assert.AreEqual( futureH2.Start, calendarStartDate.AddMonths( 12 ) );
Assert.AreEqual( futureH2.End, calendarStartDate.AddMonths( 18 ) );
Halfyear futureH3 = calendarHalfyear.AddHalfyears( 3 );
Assert.AreEqual( futureH3.YearHalfyear, YearHalfyear.Second );
Assert.AreEqual( futureH3.BaseYear, currentYear + 1 );
Assert.AreEqual( futureH3.Start, calendarStartDate.AddMonths( 18 ) );
Assert.AreEqual( futureH3.End, calendarStartDate.AddMonths( 24 ) );
}
// ----------------------------------------------------------------------
private void SelectPeriod( PeriodSelectType periodSelectType )
{
int offset = 0;
switch ( periodSelectType )
{
case PeriodSelectType.Previous:
offset = -1;
break;
case PeriodSelectType.Current:
ResetWorkingPeriod();
return;
case PeriodSelectType.Next:
offset = 1;
break;
}
switch ( WorkingTimePeriod )
{
case TimePeriodMode.Year:
Year year = new Year( WorkingPeriodStartDate );
SetWorkingPeriod( year.AddYears( offset ) );
break;
case TimePeriodMode.Halfyear:
Halfyear halfyear = new Halfyear( WorkingPeriodStartDate );
SetWorkingPeriod( halfyear.AddHalfyears( offset ) );
break;
case TimePeriodMode.Quarter:
Quarter quarter = new Quarter( WorkingPeriodStartDate );
SetWorkingPeriod( quarter.AddQuarters( offset ) );
break;
case TimePeriodMode.Month:
Month month = new Month( WorkingPeriodStartDate );
SetWorkingPeriod( month.AddMonths( offset ) );
break;
case TimePeriodMode.Week:
Week week = new Week( WorkingPeriodStartDate );
SetWorkingPeriod( week.AddWeeks( offset ) );
break;
case TimePeriodMode.Day:
Day day = new Day( WorkingPeriodStartDate );
SetWorkingPeriod( day.AddDays( offset ) );
break;
}
}