public void PosTest4() { System.Globalization.Calendar tbc = new ThaiBuddhistCalendar(); Random rand = new Random(-55); int year = tbc.MaxSupportedDateTime.Year + 543; int month = tbc.MaxSupportedDateTime.Month; int era; for (int i = 0; i < tbc.Eras.Length; i++) { era = tbc.Eras[i]; Assert.False(tbc.IsLeapMonth(year, month, era)); } }