def to_fixed(self):
"""Return fixed date equivalent to the Bahai date, b_date."""
g_year = (361 * (self.major - 1) +
19 * (self.cycle - 1) +
self.year - 1 +
GregorianDate.to_year(self.EPOCH))
if (self.month == self.AYYAM_I_HA):
elapsed_months = 342
elif (self.month == 19):
if (GregorianDate.is_leap_year(g_year + 1)):
elapsed_months = 347
else:
elapsed_months = 346
else:
elapsed_months = 19 * (self.month - 1)
return GregorianDate(g_year, MonthOfYear.March, 20).to_fixed() + elapsed_months + self.day
def testLeapYear(self):
self.assertTrue(GregorianDate.is_leap_year(2000))
self.assertFalse(GregorianDate.is_leap_year(1900))
