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REQ/REP drop test extended

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The test now checks whether replies are dropped when reply pipe
is overflowed.

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
This commit is contained in:
Martin Sustrik 2011-07-11 15:28:02 +02:00
parent c7542981d1
commit 215cfc653e
1 changed files with 74 additions and 0 deletions
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74
tests/test_reqrep_drop.cpp
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@ -28,6 +28,8 @@ int main (int argc, char *argv [])
void *ctx = zmq_init (1);
assert (ctx);
// Check whether requests are discarded because of disconnected requester.
// Create a server.
void *xrep = zmq_socket (ctx, ZMQ_XREP);
assert (xrep);
@ -62,6 +64,78 @@ int main (int argc, char *argv [])
// Clean up.
rc = zmq_close (xrep);
assert (rc == 0);
// New test. Check whether reply is dropped because of HWM overflow.
int one = 1;
xreq = zmq_socket (ctx, ZMQ_XREQ);
assert (xreq);
rc = zmq_setsockopt (xreq, ZMQ_RCVHWM, &one, sizeof(one));
assert (rc == 0);
rc = zmq_bind (xreq, "inproc://a");
assert (rc == 0);
void *rep = zmq_socket (ctx, ZMQ_REP);
assert (rep);
rc = zmq_setsockopt (rep, ZMQ_SNDHWM, &one, sizeof(one));
assert (rc == 0);
rc = zmq_connect (rep, "inproc://a");
assert (rc == 0);
// Send request 1
rc = zmq_send (xreq, buff, 1, 0);
assert (rc == 1);
// Send request 2
rc = zmq_send (xreq, buff, 1, 0);
assert (rc == 1);
// Receive request 1
rc = zmq_recv (rep, buff, 1, 0);
assert (rc == 1);
// Send request 3
rc = zmq_send (xreq, buff, 1, 0);
assert (rc == 1);
// Send reply 1
rc = zmq_send (rep, buff, 1, 0);
assert (rc == 1);
// Receive request 2
rc = zmq_recv (rep, buff, 1, 0);
assert (rc == 1);
// Send reply 2
rc = zmq_send (rep, buff, 1, 0);
assert (rc == 1);
// Receive request 3
rc = zmq_recv (rep, buff, 1, 0);
assert (rc == 1);
// Send reply 3
rc = zmq_send (rep, buff, 1, 0);
assert (rc == 1);
// Receive reply 1
rc = zmq_recv (xreq, buff, 1, 0);
assert (rc == 1);
// Receive reply 2
rc = zmq_recv (xreq, buff, 1, 0);
assert (rc == 1);
// Try to receive reply 3, it should have been dropped.
rc = zmq_recv (xreq, buff, 1, ZMQ_DONTWAIT);
assert (rc == -1 && errno == EAGAIN);
// Clean up.
rc = zmq_close (xreq);
assert (rc == 0);
rc = zmq_close (rep);
assert (rc == 0);
rc = zmq_term (ctx);
assert (rc == 0);