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Test invalid WebP background colors

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This commit is contained in:
Andrew Murray 2022-04-26 18:55:54 +10:00
parent bcded33cee
commit f64dd53897
1 changed files with 11 additions and 0 deletions
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11
Tests/test_file_webp.py
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@ -185,6 +185,17 @@ class TestFileWebp:
Image.open(blob).load() Image.open(blob).load()
Image.open(blob).load() Image.open(blob).load()
@pytest.mark.parametrize(
"background",
(0, (0,), (-1, 0, 1, 2), (253, 254, 255, 256)),
)
@skip_unless_feature("webp_anim")
def test_invalid_background(self, background, tmp_path):
temp_file = str(tmp_path / "temp.webp")
im = hopper()
with pytest.raises(OSError):
im.save(temp_file, save_all=True, append_images=[im], background=background)
@skip_unless_feature("webp_anim") @skip_unless_feature("webp_anim")
def test_background_from_gif(self, tmp_path): def test_background_from_gif(self, tmp_path):
# Save L mode GIF with background # Save L mode GIF with background