def test_page_max_size(self): page = OggPage() page.packets = [b"1" * 255 * 255] page.complete = False page2 = OggPage() page2.packets = [b""] page2.sequence = 1 page2.continued = True self.failUnlessEqual( [b"1" * 255 * 255], OggPage.to_packets([page, page2]))
def test_read_max_size(self): page = OggPage() page.packets = [b"1" * 255 * 255] page.complete = False page2 = OggPage() page2.packets = [b"", b"foo"] page2.sequence = 1 page2.continued = True data = page.write() + page2.write() fileobj = io.BytesIO(data) self.failUnlessEqual(OggPage(fileobj), page) self.failUnlessEqual(OggPage(fileobj), page2) self.failUnlessRaises(EOFError, OggPage, fileobj)
def test_theora_bad_version(self): page = OggPage(open(self.filename, "rb")) packet = page.packets[0] packet = packet[:7] + b"\x03\x00" + packet[9:] page.packets = [packet] fileobj = io.BytesIO(page.write()) self.failUnlessRaises(IOError, OggTheoraInfo, fileobj)
def test_crc_py25(self): # Make sure page.write can handle both signed/unsigned int # return values of crc32. # http://code.google.com/p/mutagen/issues/detail?id=63 # http://docs.python.org/library/zlib.html#zlib.crc32 import zlib old_crc = zlib.crc32 def zlib_uint(*args): return (old_crc(*args) & 0xffffffff) def zlib_int(*args): return cdata.int_be(cdata.to_uint_be(old_crc(*args) & 0xffffffff)) try: page = OggPage() page.packets = [b"abc"] zlib.crc32 = zlib_uint uint_data = page.write() zlib.crc32 = zlib_int int_data = page.write() finally: zlib.crc32 = old_crc self.failUnlessEqual(uint_data, int_data)
def test_page_max_size_alone_too_big(self): page = OggPage() page.packets = [b"1" * 255 * 255] page.complete = True self.failUnlessRaises(ValueError, page.write)