def test_frame():
ctx = Context()
test_endpoint = 'inproc://zframe.test'
output_s = ctx.socket(zmq.PAIR)
rc = output_s.bind(test_endpoint)
assert rc >= 0
input_s = ctx.socket(zmq.PAIR)
rc = input_s.connect(test_endpoint)
assert rc == 0
# Send five different frames, test ZFRAME_MORE
for i in range(0, 5):
frame = Frame("Hello")
rc = output_s.send_frame(frame, Frame.MORE)
assert rc == 0, "error sending frame rc={0}, {1}".format(rc, zmq.strerror(zmq.errno()))
# Send same frame five times, test ZFRAME_REUSE
frame = Frame("Hello")
for i in range(0, 5):
rc = output_s.send_frame(frame, Frame.MORE + Frame.REUSE)
assert rc == 0, "error sending reused frame rc={0}, {1}".format(rc, zmq.strerror(zmq.errno()))
copy = frame.dup()
assert frame == copy
frame.reset("")
assert frame != copy
assert len(copy) == 5
del frame
del copy
# Test zframe_new_empty
frame = Frame()
assert len(frame) == 0
del frame
# Send END frame
frame = Frame("NOT")
frame.reset("END")
hex_string = frame.strhex()
assert hex_string == "454E44"
frame_bytes = frame.bytes()
assert frame_bytes == "END"
string = str(frame)
assert string == "END"
rc = output_s.send_frame(frame)
assert rc == 0
# Read and count until we receive END
frame_nbr = 0
while True:
frame = input_s.recv_frame()
frame_nbr += 1
if frame == "END":
del frame
break
else:
assert len(frame) == 5
assert frame.bytes() == "Hello"
assert frame.more()
frame.set_more(0)
assert frame.more() == 0
del frame
assert frame_nbr == 11
frame = input_s.recv_frame_nowait()
assert frame is None
del ctx
