public void Can_Be_Created_From_Integer_Year(
int year)
{
TwoThousandsCommonEraYear
.FromYearAsNumber(year)
.Should()
.NotBeNull();
}
public void Throws_Exception_When_Trying_To_Create_From_Invalid_Integer_Year(
int invalidYear)
{
Assert
.That(
() => TwoThousandsCommonEraYear.FromYearAsNumber(invalidYear),
Throws
.Exception
.TypeOf <ArgumentException>());
}
public static Period FromInstantInPeriod(DateTime instantInPeriod)
{
var endYear =
instantInPeriod.Month < 4
? instantInPeriod.Year - 1
: instantInPeriod.Year;
return(new Period(
startYear: TwoThousandsCommonEraYear.FromYearAsNumber(endYear - 1),
endYear: TwoThousandsCommonEraYear.FromYearAsNumber(endYear)));
}