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19 lines
758 B
Python
19 lines
758 B
Python
from __future__ import annotations
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from .helper import hopper
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def test_entropy() -> None:
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def entropy(mode: str) -> float:
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return hopper(mode).entropy()
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assert round(abs(entropy("1") - 0.9138803254693582), 7) == 0
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assert round(abs(entropy("L") - 7.063008716585465), 7) == 0
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assert round(abs(entropy("I") - 7.063008716585465), 7) == 0
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assert round(abs(entropy("F") - 7.063008716585465), 7) == 0
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assert round(abs(entropy("P") - 5.082506854662517), 7) == 0
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assert round(abs(entropy("RGB") - 8.821286587714319), 7) == 0
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assert round(abs(entropy("RGBA") - 7.42724306524488), 7) == 0
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assert round(abs(entropy("CMYK") - 7.4272430652448795), 7) == 0
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assert round(abs(entropy("YCbCr") - 7.698360534903628), 7) == 0
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