def test_t():
"""Test translating positions."""
s = Span(0, 10, 10, cyclic=True)
assert s.t(0) == 0
assert s.t(1) == 1
assert s.t(10) == 0
assert s.t(-1) == 9
def test_t_index5():
"""Test translating positions."""
s = Span(0, 10, 10, cyclic=True, index=5)
assert s.t(0) == 5
assert s.t(1) == 6
assert s.t(9) == 14
assert s.t(10) == 5
assert s.t(-1) == 14
def test_simple_len(self, index):
s = Span(90, 10, 100, cyclic=True, index=index)
assert len(s) == 20
print(s.t(100))