def test_overlap_linear_forward():
"""This tests that overlap region has basic attributes expected"""
r = Region(10, 50, context=Context(100, False, start_index=0))
r2 = Region(20, 90, context=Context(100, False, start_index=0))
overlap = r.get_overlap(r2)
print(overlap.start, overlap.end)
assert overlap.same_context(r)
assert overlap.same_context(r2)
assert overlap.start == 20
assert overlap.end == 50
assert overlap.direction == r.direction
assert r2.get_overlap(r) is None
def test_overlap_circular():
"""
Tests overlap with circular regions
r1 ------| |-------
r2 ---------| |----
"""
r1 = Region(90, 10, context=Context(100, True, start_index=2))
r2 = Region(95, 20, context=Context(100, True, start_index=2))
overlap = r1.get_overlap(r2)
assert overlap.start == 95
assert overlap.end == 10
