def testFontFileChecksum(self):
"Tests TTFontFile and TTF parsing code"
file = TTFOpenFile("Vera.ttf")[1].read()
TTFontFile(StringIO(file), validate=1) # should not fail
file1 = file[:12345] + "\xFF" + file[12346:] # change one byte
self.assertRaises(TTFError, TTFontFile, StringIO(file1), validate=1)
file1 = file[:8] + "\xFF" + file[9:] # change one byte
self.assertRaises(TTFError, TTFontFile, StringIO(file1), validate=1)
def testFontFileChecksum(self):
"Tests TTFontFile and TTF parsing code"
F = TTFOpenFile("Vera.ttf")[1].read()
TTFontFile(getBytesIO(F), validate=1) # should not fail
F1 = F[:12345] + b"\xFF" + F[12346:] # change one byte
self.assertRaises(TTFError, TTFontFile, getBytesIO(F1), validate=1)
F1 = F[:8] + b"\xFF" + F[9:] # change one byte
self.assertRaises(TTFError, TTFontFile, getBytesIO(F1), validate=1)