public void testElapsedBusinessDays() {
CalendarDate nov1 = CalendarDate.from(2004, 11, 1);
CalendarDate nov30 = CalendarDate.from(2004, 11, 30);
CalendarInterval interval = CalendarInterval.inclusive(nov1, nov30);
assertEquals(Duration.days(30), interval.length());
// 1 holiday (Thanksgiving on a Thursday) + 8 weekend days.
assertEquals(21, businessCalendar().getElapsedBusinessDays(interval));
}
