def test_overhang_right_diff(self):
s1 = Span(20, 80, 100, True)
s2 = Span(70, 90, 100, True)
diff = s1.differences(s2)
assert len(diff) == 1
assert diff[0].a == 20
assert diff[0].b == 70
diff = s2.differences(s1)
print(diff)
assert len(diff) == 1
assert diff[0].a == 80
assert diff[0].b == 90
def test_overhang_left_diff(self):
s1 = Span(20, 80, 100, True)
s2 = Span(10, 30, 100, True)
diff = s1.differences(s2)
assert len(diff) == 1
assert diff[0].a == 30
assert diff[0].b == 80
diff = s2.differences(s1)
print(diff)
assert len(diff) == 1
assert diff[0].a == 10
assert diff[0].b == 20
def test_no_overlap_diff(self):
s1 = Span(20, 80, 100, True)
s2 = Span(90, 95, 100, True)
diff = s1.differences(s2)
assert len(diff) == 1
assert s1.a == 20
assert s1.b == 80
def test_linear_diff(self):
s1 = Span(20, 80, 100, True)
s2 = Span(30, 50, 100, True)
diff = s1.differences(s2)
assert len(diff) == 2
assert diff[0].a == 20
assert diff[0].b == 30
assert diff[1].a == 50
assert diff[1].b == 80