public void StartOfSemesterWithCalendarShouldReturnExpectedResult()
{
var date = new DateTime( 2013, 3, 1 );
var calendar = new GregorianFiscalCalendar( 7 );
var expected = new DateTime( 2013, 1, 1 );
var actual = date.StartOfSemester( calendar );
Assert.Equal( expected.Date, actual.Date );
}
public void StartOfSemesterShouldReturnExpectedResult()
{
var date = new DateTime( 2013, 3, 1 );
var expected = new DateTime( 2013, 1, 1 );
var actual = date.StartOfSemester();
Assert.Equal( expected.Date, actual.Date );
}
public static DateTime StartOfSemester( this Calendar calendar, DateTime date )
{
Arg.NotNull( calendar, nameof( calendar ) );
Contract.Ensures( calendar.GetYear( Contract.Result<DateTime>() ) == Contract.OldValue( calendar.GetYear( date ) ) );
Contract.Ensures( Contract.Result<DateTime>().Semester( calendar ) == Contract.OldValue( date.Semester( calendar ) ) );
return date.StartOfSemester( calendar );
}
