def test_msg():
data = list(b'asdf' * x for x in range(256))
byte_data_gen = msg_to_bytes(data)
total_len = next(byte_data_gen)
mv = memoryview(b''.join(byte_data_gen))
recreated_data = list(msg_from_bytes(mv))
assert data == recreated_data
def test_memoryview_wrapper():
data = list(b'asdf' * x for x in range(256))
byte_data_gen = msg_to_bytes(data)
total_len = next(byte_data_gen)
bytes = b''.join(byte_data_gen)
mv = memoryview(bytes)
assert getrefcount(bytes) == 1 + 1 + 1
assert getrefcount(mv) == 1 + 1
recreated_data = list(msg_from_bytes(mv))
assert getrefcount(bytes) == 1 + 1 + 1
del mv
del recreated_data
assert getrefcount(bytes) == 1 + 1