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Test seek errors

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This commit is contained in:
Andrew Murray 2020-01-14 21:13:05 +11:00
parent f3f9190de7
commit 760bc7dd38
1 changed files with 8 additions and 0 deletions
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8
Tests/test_file_webp_animated.py
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@ -164,3 +164,11 @@ class TestFileWebpAnimation(PillowTestCase):
self.assertEqual(im.info["duration"], dur)
self.assertEqual(im.info["timestamp"], ts)
ts -= dur
def test_seek_errors(self):
with Image.open("Tests/images/iss634.webp") as im:
with self.assertRaises(EOFError):
im.seek(-1)
with self.assertRaises(EOFError):
im.seek(42)