def test_intersects_when_disjoint():
a = ((1, 2), (3, 4))
b = ((5, 6), (7, 8))
assert not intersects(a, b)
assert not intersects(b, a)
def test_intersects_when_overlap():
a = ((1, 2), (5, 6))
b = ((3, 4), (7, 8))
assert intersects(a, b)
assert intersects(b, a)
def test_intersects_when_contained():
a = ((1, 2), (7, 8))
b = ((3, 4), (5, 6))
assert intersects(a, b)
assert intersects(b, a)
def test_intersects_when_equal():
a = ((1, 2), (3, 4))
assert intersects(a, a)
