def read(reader: BitStreamReader, _index: int) -> int:
"""
Reads Zserio varint64 type from the bit stream.
:param reader: Bit stream from which to read.
:param _index: Not used.
"""
return reader.readVarInt64()
def testReadVarInt64(self):
reader = BitStreamReader(bytes(1))
self.assertEqual(0, reader.readVarInt64())
self.assertEqual(8, reader.getBitPosition())
with self.assertRaises(PythonRuntimeException):
reader.readVarInt64()
