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25 lines
643 B
Python
25 lines
643 B
Python
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from helper import unittest, PillowTestCase
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import sys
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from PIL import Image
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from io import BytesIO
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test_file = "Tests/images/png_decompression_dos.png"
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@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or MacOS")
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class TestPngDos(PillowTestCase):
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def test_dos_text(self):
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try:
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im = Image.open(test_file)
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im.load()
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except ValueError as msg:
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self.assert_(msg, "Decompressed Data Too Large")
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return
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for s in im.text.values():
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self.assert_(len(s) < 1024*1024, "Text chunk larger than 1M")
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if __name__ == '__main__':
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unittest.main()
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