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/* SPDX-License-Identifier: MPL-2.0 */
#include "testutil.hpp"
#include "testutil_unity.hpp"
SETUP_TEARDOWN_TESTCONTEXT
const char bind_address[] = "tcp://127.0.0.1:*";
char connect_address[MAX_SOCKET_STRING];
// 245 chars + 10 chars for subscribe command = 255 chars
const char short_topic[] =
"ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
"ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
"ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
"ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDE";
// 246 chars + 10 chars for subscribe command = 256 chars
const char long_topic[] =
"ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
"ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
"ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
"ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEF";
template <size_t SIZE>
void test_subscribe_cancel (void *xpub, void *sub, const char (&topic)[SIZE])
{
// Ignore '\0' terminating the topic string.
const size_t topic_len = SIZE - 1;
// Subscribe for topic
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub, ZMQ_SUBSCRIBE, topic, topic_len));
// Allow receiving more than the expected number of bytes
char buffer[topic_len + 5];
// Receive subscription
int rc =
TEST_ASSERT_SUCCESS_ERRNO (zmq_recv (xpub, buffer, sizeof (buffer), 0));
TEST_ASSERT_EQUAL_INT (topic_len + 1, rc);
TEST_ASSERT_EQUAL_UINT8 (1, buffer[0]);
TEST_ASSERT_EQUAL_UINT8_ARRAY (topic, buffer + 1, topic_len);
// Unsubscribe from topic
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub, ZMQ_UNSUBSCRIBE, topic, topic_len));
// Receive unsubscription
rc =
TEST_ASSERT_SUCCESS_ERRNO (zmq_recv (xpub, buffer, sizeof (buffer), 0));
TEST_ASSERT_EQUAL_INT (topic_len + 1, rc);
TEST_ASSERT_EQUAL_UINT8 (0, buffer[0]);
TEST_ASSERT_EQUAL_UINT8_ARRAY (topic, buffer + 1, topic_len);
}
void test_xpub_subscribe_long_topic ()
{
void *xpub = test_context_socket (ZMQ_XPUB);
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (xpub, bind_address));
size_t len = MAX_SOCKET_STRING;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_getsockopt (xpub, ZMQ_LAST_ENDPOINT, connect_address, &len));
void *sub = test_context_socket (ZMQ_SUB);
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub, connect_address));
test_subscribe_cancel (xpub, sub, short_topic);
test_subscribe_cancel (xpub, sub, long_topic);
// Clean up.
test_context_socket_close (xpub);
test_context_socket_close (sub);
}
int main ()
{
setup_test_environment ();
UNITY_BEGIN ();
RUN_TEST (test_xpub_subscribe_long_topic);
return UNITY_END ();
}
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