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Added tests for iTXt saving.

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This commit is contained in:
Fredrik Tolf 2014-07-23 07:27:51 -07:00
parent 2b4d91ed53
commit 823d377e47
1 changed files with 16 additions and 0 deletions
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16
Tests/test_file_png.py
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@ -265,6 +265,22 @@ class TestFilePng(PillowTestCase):
self.assertEqual(im.info, {'TXT': 'VALUE', 'ZIP': 'VALUE'})
self.assertEqual(im.text, {'TXT': 'VALUE', 'ZIP': 'VALUE'})
def test_roundtrip_itxt(self):
# Check iTXt roundtripping
im = Image.new("RGB", (32, 32))
info = PngImagePlugin.PngInfo()
info.add_itxt("spam", "Eggs", "en", "Spam")
info.add_text("eggs", PngImagePlugin.iTXt("Spam", "en", "Eggs"), zip=True)
im = roundtrip(im, pnginfo=info)
self.assertEqual(im.info, {"spam": "Eggs", "eggs": "Spam"})
self.assertEqual(im.text, {"spam": "Eggs", "eggs": "Spam"})
self.assertEqual(im.text["spam"].lang, "en")
self.assertEqual(im.text["spam"].tkey, "Spam")
self.assertEqual(im.text["eggs"].lang, "en")
self.assertEqual(im.text["eggs"].tkey, "Eggs")
def test_scary(self):
# Check reading of evil PNG file. For information, see:
# http://scary.beasts.org/security/CESA-2004-001.txt