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Test truncated header

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This commit is contained in:
Andrew Murray 2025-04-10 22:07:55 +10:00
parent dce9608961
commit b2945ec2aa
1 changed files with 11 additions and 3 deletions
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14
Tests/test_file_xpm.py
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@ -33,14 +33,22 @@ def test_rgb() -> None:
assert_image_similar(im, hopper(), 16)
def test_cannot_read() -> None:
def test_truncated_header() -> None:
data = b"/* XPM */"
with pytest.raises(SyntaxError, match="broken XPM file"):
with XpmImagePlugin.XpmImageFile(BytesIO(data)):
pass
def test_cannot_read_color() -> None:
with open(TEST_FILE, "rb") as fp:
data = fp.read().split(b"#")[0]
with pytest.raises(ValueError, match="cannot read this XPM file"):
with Image.open(BytesIO(data)) as im:
with Image.open(BytesIO(data)):
pass
with pytest.raises(ValueError, match="cannot read this XPM file"):
with Image.open(BytesIO(data+b"invalid")) as im:
with Image.open(BytesIO(data + b"invalid")):
pass