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Merge pull request #8766 from radarhere/ftex_test

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Improved FtexImagePlugin test coverage
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Hugo van Kemenade 2025-03-03 17:35:03 +02:00 committed by GitHub
commit 952d6e9a61
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1 changed files with 15 additions and 0 deletions
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Tests/test_file_ftex.py
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@ -1,5 +1,8 @@
from __future__ import annotations
import io
import struct
import pytest
from PIL import FtexImagePlugin, Image
@ -23,3 +26,15 @@ def test_invalid_file() -> None:
with pytest.raises(SyntaxError):
FtexImagePlugin.FtexImageFile(invalid_file)
def test_invalid_texture() -> None:
with open("Tests/images/ftex_dxt1.ftc", "rb") as fp:
data = fp.read()
# Change texture compression format
data = data[:24] + struct.pack("<i", 2) + data[28:]
with pytest.raises(ValueError, match="Invalid texture compression format: 2"):
with Image.open(io.BytesIO(data)):
pass