def test_positive(self):
min = map_range(-100, -100, 100, 0, 1000)
half = map_range(0, -100, 100, 0, 1000)
max = map_range(100, -100, 100, 0, 1000)
assert min == 0
assert half == 500
assert max == 1000
def test_reverse(self):
ranges = (100, 0, 0, 1000)
min = map_range(0, *ranges)
half = map_range(50, *ranges)
max = map_range(100, *ranges)
assert min == 1000
assert half == 500
assert max == 0