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Test unsupported autocontrast mode

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This commit is contained in:
Andrew Murray 2023-10-24 12:44:00 +11:00
parent ef46608974
commit f54dd84586
1 changed files with 6 additions and 0 deletions
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6
Tests/test_imageops.py
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@ -433,6 +433,12 @@ def test_exif_transpose_in_place():
assert_image_equal(im, expected)
def test_autocontrast_unsupported_mode():
im = Image.new("RGBA", (1, 1))
with pytest.raises(OSError):
ImageOps.autocontrast(im)
def test_autocontrast_cutoff():
# Test the cutoff argument of autocontrast
with Image.open("Tests/images/bw_gradient.png") as img: