libzmq/tests/test_pub_invert_matching.cpp
Luca Boccassi da31917f4f Relicense from LGPL3 + exceptions to Mozilla Public License version 2.0
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Fixes https://github.com/zeromq/libzmq/issues/2376
2023-06-05 20:31:47 +01:00

94 lines
2.8 KiB
C++

/* SPDX-License-Identifier: MPL-2.0 */
#include "testutil.hpp"
#include "testutil_unity.hpp"
#include <string.h>
SETUP_TEARDOWN_TESTCONTEXT
void test ()
{
// Create a publisher
void *pub = test_context_socket (ZMQ_PUB);
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (pub, "inproc://soname"));
// Create two subscribers
void *sub1 = test_context_socket (ZMQ_SUB);
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub1, "inproc://soname"));
void *sub2 = test_context_socket (ZMQ_SUB);
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub2, "inproc://soname"));
// Subscribe pub1 to one prefix
// and pub2 to another prefix.
const char prefi_x1[] = "prefix1";
const char prefi_x2[] = "p2";
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub1, ZMQ_SUBSCRIBE, prefi_x1, strlen (prefi_x1)));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub2, ZMQ_SUBSCRIBE, prefi_x2, strlen (prefi_x2)));
// Send a message with the first prefix
send_string_expect_success (pub, prefi_x1, 0);
msleep (SETTLE_TIME);
// sub1 should receive it, but not sub2
recv_string_expect_success (sub1, prefi_x1, ZMQ_DONTWAIT);
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (sub2, NULL, 0, ZMQ_DONTWAIT));
// Send a message with the second prefix
send_string_expect_success (pub, prefi_x2, 0);
msleep (SETTLE_TIME);
// sub2 should receive it, but not sub1
recv_string_expect_success (sub2, prefi_x2, ZMQ_DONTWAIT);
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (sub1, NULL, 0, ZMQ_DONTWAIT));
// Now invert the matching
int invert = 1;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (pub, ZMQ_INVERT_MATCHING, &invert, sizeof (invert)));
// ... on both sides, otherwise the SUB socket will filter the messages out
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub1, ZMQ_INVERT_MATCHING, &invert, sizeof (invert)));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub2, ZMQ_INVERT_MATCHING, &invert, sizeof (invert)));
// Send a message with the first prefix
send_string_expect_success (pub, prefi_x1, 0);
msleep (SETTLE_TIME);
// sub2 should receive it, but not sub1
recv_string_expect_success (sub2, prefi_x1, ZMQ_DONTWAIT);
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (sub1, NULL, 0, ZMQ_DONTWAIT));
// Send a message with the second prefix
send_string_expect_success (pub, prefi_x2, 0);
msleep (SETTLE_TIME);
// sub1 should receive it, but not sub2
recv_string_expect_success (sub1, prefi_x2, ZMQ_DONTWAIT);
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (sub2, NULL, 0, ZMQ_DONTWAIT));
// Clean up.
test_context_socket_close (pub);
test_context_socket_close (sub1);
test_context_socket_close (sub2);
}
int main ()
{
setup_test_environment ();
UNITY_BEGIN ();
RUN_TEST (test);
return UNITY_END ();
}