Pillow/Tests/test_image_entropy.py
2024-02-12 09:28:53 +11:00

19 lines
758 B
Python

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