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Only check DHT marker for libjpeg-turbo (#9025)

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Hugo van Kemenade 2025-06-25 11:09:55 +01:00 committed by GitHub
commit 8655b7c559
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1 changed files with 8 additions and 2 deletions
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10
Tests/test_file_jpeg.py
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@ -1067,10 +1067,16 @@ class TestFileJpeg:
for marker in b"\xff\xd8", b"\xff\xd9":
assert marker in data[1]
assert marker in data[2]
# DHT, DQT
for marker in b"\xff\xc4", b"\xff\xdb":
# DQT
markers = [b"\xff\xdb"]
if features.check_feature("libjpeg_turbo"):
# DHT
markers.append(b"\xff\xc4")
for marker in markers:
assert marker in data[1]
assert marker not in data[2]
# SOF0, SOS, APP0 (JFIF header)
for marker in b"\xff\xc0", b"\xff\xda", b"\xff\xe0":
assert marker not in data[1]