def test_reversals(multisegments_pair: MultisegmentsPair) -> None:
left_multisegment, right_multisegment = multisegments_pair
result = unite_multisegments(left_multisegment, right_multisegment)
assert are_multisegments_similar(
result,
unite_multisegments(reverse_multisegment(left_multisegment),
right_multisegment))
assert are_multisegments_similar(
result,
unite_multisegments(left_multisegment,
reverse_multisegment(right_multisegment)))
def test_reversals(multisegments_pair: MultisegmentsPair) -> None:
left_multisegment, right_multisegment = multisegments_pair
result = symmetric_subtract_multisegments(left_multisegment,
right_multisegment)
assert are_multisegments_similar(
result,
symmetric_subtract_multisegments(
reverse_multisegment(left_multisegment), right_multisegment))
assert are_multisegments_similar(
result,
symmetric_subtract_multisegments(
left_multisegment, reverse_multisegment(right_multisegment)))
def test_right_neutral_element(
empty_multisegment_with_multisegment: MultisegmentsPair) -> None:
empty_multisegment, multisegment = empty_multisegment_with_multisegment
result = symmetric_subtract_multisegments(multisegment, empty_multisegment)
assert are_multisegments_similar(result, multisegment)
def test_left_neutral_element(
empty_multisegment_with_multisegment: MultisegmentsPair) -> None:
empty_multisegment, multisegment = empty_multisegment_with_multisegment
result = unite_multisegments(empty_multisegment, multisegment)
assert are_multisegments_similar(result, multisegment)
def test_union_subtrahend(multisegments_triplet: MultisegmentsTriplet) -> None:
(left_multisegment, mid_multisegment,
right_multisegment) = multisegments_triplet
result = subtract_multisegments(
left_multisegment,
unite_multisegments(mid_multisegment, right_multisegment))
assert are_multisegments_similar(
result,
intersect_multisegments(
subtract_multisegments(left_multisegment, mid_multisegment),
subtract_multisegments(left_multisegment, right_multisegment)))
def test_associativity(multisegments_triplet: MultisegmentsTriplet) -> None:
(left_multisegment, mid_multisegment,
right_multisegment) = multisegments_triplet
result = unite_multisegments(
unite_multisegments(left_multisegment, mid_multisegment),
right_multisegment)
assert are_multisegments_similar(
result,
unite_multisegments(
left_multisegment,
unite_multisegments(mid_multisegment, right_multisegment)))
def test_reversals(
multipolygon_with_multisegment: MultipolygonWithMultisegment) -> None:
multipolygon, multisegment = multipolygon_with_multisegment
result = subtract_multipolygon_from_multisegment(multisegment,
multipolygon)
assert result == subtract_multipolygon_from_multisegment(
multisegment, reverse_multipolygon(multipolygon))
assert result == subtract_multipolygon_from_multisegment(
multisegment, reverse_multipolygon_borders(multipolygon))
assert result == subtract_multipolygon_from_multisegment(
multisegment, reverse_multipolygon_holes(multipolygon))
assert result == subtract_multipolygon_from_multisegment(
multisegment, reverse_multipolygon_holes_contours(multipolygon))
assert are_multisegments_similar(
result,
subtract_multipolygon_from_multisegment(
reverse_multisegment(multisegment), multipolygon))
assert are_multisegments_similar(
result,
subtract_multipolygon_from_multisegment(
reverse_multisegment_endpoints(multisegment), multipolygon))
