def test_zmq_getsockopt():
from zmqpy._cffi import C, ffi
from zmqpy.constants import PUSH, IDENTITY
ctx = C.zmq_init(1)
socket = C.zmq_socket(ctx, PUSH)
identity = ffi.new('char[]', 'zmq')
ret = C.zmq_setsockopt(socket, IDENTITY, ffi.cast('void*', identity), 3)
assert ret == 0
option_len = ffi.new('unsigned long*', 3)
option = ffi.new('char*')
ret = C.zmq_getsockopt(socket,
IDENTITY,
ffi.cast('void*', option),
option_len)
assert ret == 0
assert ffi.string(ffi.cast('char*', option))[0] == "z"
assert ffi.string(ffi.cast('char*', option))[1] == "m"
assert ffi.string(ffi.cast('char*', option))[2] == "q"
