def test_lib_cdate_Julianday(self):
for m in range(3, 6):
for d in range(10, 20):
j = cdate.julianDay(2020, m, d)
jy, jm, jd = cdate.FromJulian(j)
self.assertEqual(
(2020, m, d), (jy, jm, jd),
msg='Julian/Gregorian round-trip failed for 2020-%i-%i' %
(m, d))
