def test_field_number_to_field_01():
assert field_number_to_field(7) == (
-24, -22, -14, -12.5, -12, -10, -7, -4.5, -2,
3, 3.5, 5.5, 7.5, 8.5, 13, 17, 27, 37)
assert field_number_to_field(8) == (
-14, -13, -11.5, -9.5, -4.5, -4, -2, -1, 3,
3.5, 5, 5.5, 8, 8.5, 13, 17, 27, 37)
assert field_number_to_field(1) == (
-16, -14, -12, -10, -8, -7, -4.5, -4, -0.5,
0, 2, 3, 4, 5, 5.5, 9, 10, 13, 15, 21, 25)
assert field_number_to_field(2) == (
-20, -16, -12, -10, -8, -7, -5, -2, -0.5, 0,
2, 3, 6, 9, 10, 13, 15, 20, 21, 25, 29, 30, 31)
def _unpack(triple):
field_id, pitch, cell = triple
letter = field_id[0]
direction = _direction_letter_to_direction(letter)
field_number = int(field_id[1])
field = field_number_to_field(field_number)
return field, direction, pitch
