private void addDaysFromNextMonth()
{
var lastDayOfWeekInTargetMonth = (int)CalendarMonth
.DayOfWeek(CalendarMonth.DaysInMonth);
var nextMonth = CalendarMonth.AddMonths(1);
var lastDayOfWeek = ((int)beginningOfWeek + 6) % 7;
var daysToAdd = (lastDayOfWeek - lastDayOfWeekInTargetMonth + 7) % 7;
for (int i = 0; i < daysToAdd; i++)
{
addDay(i + 1, nextMonth, false);
}
}
public void WorksForNegativeNumberOfMonths(
int initialYear,
int initialMonth,
int monthsToAdd,
int expectedYear,
int expectedMonth)
{
var initialCalendarMonth
= new CalendarMonth(initialYear, initialMonth);
var result = initialCalendarMonth.AddMonths(monthsToAdd);
result.Year.Should().Be(expectedYear);
result.Month.Should().Be(expectedMonth);
}
private CalendarMonth convertPageIndexToCalendarMonth(int pageIndex) => initialMonth.AddMonths(pageIndex);