Pillow/Tests/test_image_histogram.py
2023-12-21 13:13:31 +02:00

19 lines
596 B
Python

from __future__ import annotations
from .helper import hopper
def test_histogram():
def histogram(mode):
h = hopper(mode).histogram()
return len(h), min(h), max(h)
assert histogram("1") == (256, 0, 10994)
assert histogram("L") == (256, 0, 662)
assert histogram("I") == (256, 0, 662)
assert histogram("F") == (256, 0, 662)
assert histogram("P") == (256, 0, 1551)
assert histogram("RGB") == (768, 4, 675)
assert histogram("RGBA") == (1024, 0, 16384)
assert histogram("CMYK") == (1024, 0, 16384)
assert histogram("YCbCr") == (768, 0, 1908)