def test_extents_day(self):
t = local_datetime(2014, 6, 18, 11, 11, 11)
extents = Extents(t, "day")
self.assertEqual(t, extents.current())
self.assert_extents(extents, (2014, 6, 18, 0, 0, 0), (2014, 6, 18, 23, 59, 59))
