test_dgram.cpp

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/* SPDX-License-Identifier: MPL-2.0 */
 
#include "testutil.hpp"
#include "testutil_unity.hpp"
 
#include <stdlib.h>
#include <string.h>
 
SETUP_TEARDOWN_TESTCONTEXT
 
void str_send_to (void *s_, const char *content_, const char *address_)
{
    send_string_expect_success (s_, address_, ZMQ_SNDMORE);
    send_string_expect_success (s_, content_, 0);
}
 
void str_recv_from (void *s_, char **ptr_content_, char **ptr_address_)
{
    *ptr_address_ = s_recv (s_);
    TEST_ASSERT_NOT_NULL (ptr_address_);
 
    *ptr_content_ = s_recv (s_);
    TEST_ASSERT_NOT_NULL (ptr_content_);
}
 
static const char test_question[] = "Is someone there ?";
static const char test_answer[] = "Yes, there is !";
 
void test_connect_fails ()
{
    void *socket = test_context_socket (ZMQ_DGRAM);
 
    //  Connecting dgram should fail
    TEST_ASSERT_FAILURE_ERRNO (ENOCOMPATPROTO,
                               zmq_connect (socket, ENDPOINT_4));
 
    test_context_socket_close (socket);
}
 
void test_roundtrip ()
{
    char *message_string;
    char *address;
 
    void *sender = test_context_socket (ZMQ_DGRAM);
    void *listener = test_context_socket (ZMQ_DGRAM);
 
    TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (listener, ENDPOINT_4));
 
    TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (sender, ENDPOINT_5));
 
    str_send_to (sender, test_question, strrchr (ENDPOINT_4, '/') + 1);
 
    str_recv_from (listener, &message_string, &address);
    TEST_ASSERT_EQUAL_STRING (test_question, message_string);
    TEST_ASSERT_EQUAL_STRING (strrchr (ENDPOINT_5, '/') + 1, address);
    free (message_string);
 
    str_send_to (listener, test_answer, address);
    free (address);
 
    str_recv_from (sender, &message_string, &address);
    TEST_ASSERT_EQUAL_STRING (test_answer, message_string);
    TEST_ASSERT_EQUAL_STRING (strrchr (ENDPOINT_4, '/') + 1, address);
    free (message_string);
    free (address);
 
    test_context_socket_close (sender);
    test_context_socket_close (listener);
}
 
int main (void)
{
    setup_test_environment ();
 
    UNITY_BEGIN ();
    RUN_TEST (test_connect_fails);
    RUN_TEST (test_roundtrip);
    return UNITY_END ();
}