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Added iTXt tests.

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This commit is contained in:
Fredrik Tolf 2014-07-23 01:09:06 -07:00
parent c469dd9ae5
commit 2b4d91ed53
1 changed files with 33 additions and 0 deletions
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33
Tests/test_file_png.py
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@ -129,6 +129,39 @@ class TestFilePng(PillowTestCase):
HEAD + chunk(b'zTXt', b'spam\0\0' + zlib.compress(b'egg')) + TAIL)
self.assertEqual(im.info, {'spam': 'egg'})
def test_bad_itxt(self):
im = load(HEAD + chunk(b'iTXt') + TAIL)
self.assertEqual(im.info, {})
im = load(HEAD + chunk(b'iTXt', b'spam') + TAIL)
self.assertEqual(im.info, {})
im = load(HEAD + chunk(b'iTXt', b'spam\0') + TAIL)
self.assertEqual(im.info, {})
im = load(HEAD + chunk(b'iTXt', b'spam\0\x02') + TAIL)
self.assertEqual(im.info, {})
im = load(HEAD + chunk(b'iTXt', b'spam\0\0\0foo\0') + TAIL)
self.assertEqual(im.info, {})
im = load(HEAD + chunk(b'iTXt', b'spam\0\0\0en\0Spam\0egg') + TAIL)
self.assertEqual(im.info, {"spam": "egg"})
self.assertEqual(im.info["spam"].lang, "en")
self.assertEqual(im.info["spam"].tkey, "Spam")
im = load(HEAD + chunk(b'iTXt', b'spam\0\1\0en\0Spam\0' + zlib.compress(b"egg")[:1]) + TAIL)
self.assertEqual(im.info, {})
im = load(HEAD + chunk(b'iTXt', b'spam\0\1\1en\0Spam\0' + zlib.compress(b"egg")) + TAIL)
self.assertEqual(im.info, {})
im = load(HEAD + chunk(b'iTXt', b'spam\0\1\0en\0Spam\0' + zlib.compress(b"egg")) + TAIL)
self.assertEqual(im.info, {"spam": "egg"})
self.assertEqual(im.info["spam"].lang, "en")
self.assertEqual(im.info["spam"].tkey, "Spam")
def test_interlace(self):
file = "Tests/images/pil123p.png"