1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/* SPDX-License-Identifier: MPL-2.0 */
#include "testutil.hpp"
#include "testutil_unity.hpp"
#include <stdio.h>
#include <stdlib.h>
#include <vector>
SETUP_TEARDOWN_TESTCONTEXT
void test_system_max ()
{
// Keep allocating sockets until we run out of system resources
const int no_of_sockets = 2 * 65536;
zmq_ctx_set (get_test_context (), ZMQ_MAX_SOCKETS, no_of_sockets);
std::vector<void *> sockets;
while (true) {
void *socket = zmq_socket (get_test_context (), ZMQ_PAIR);
if (!socket)
break;
sockets.push_back (socket);
}
TEST_ASSERT_LESS_OR_EQUAL (no_of_sockets,
static_cast<int> (sockets.size ()));
printf ("Socket creation failed after %i sockets\n",
static_cast<int> (sockets.size ()));
// System is out of resources, further calls to zmq_socket should return NULL
for (unsigned int i = 0; i < 10; ++i) {
TEST_ASSERT_NULL (zmq_socket (get_test_context (), ZMQ_PAIR));
}
// Clean up.
for (unsigned int i = 0; i < sockets.size (); ++i)
TEST_ASSERT_SUCCESS_ERRNO (zmq_close (sockets[i]));
}
void test_zmq_default_max ()
{
// Keep allocating sockets until we hit the default limit
std::vector<void *> sockets;
while (true) {
void *socket = zmq_socket (get_test_context (), ZMQ_PAIR);
if (!socket)
break;
sockets.push_back (socket);
}
// We may stop sooner if system has fewer available sockets
TEST_ASSERT_LESS_OR_EQUAL (ZMQ_MAX_SOCKETS_DFLT, sockets.size ());
// Further calls to zmq_socket should return NULL
for (unsigned int i = 0; i < 10; ++i) {
TEST_ASSERT_NULL (zmq_socket (get_test_context (), ZMQ_PAIR));
}
// Clean up
for (unsigned int i = 0; i < sockets.size (); ++i)
TEST_ASSERT_SUCCESS_ERRNO (zmq_close (sockets[i]));
}
int main (void)
{
setup_test_environment ();
UNITY_BEGIN ();
RUN_TEST (test_system_max);
RUN_TEST (test_zmq_default_max);
return UNITY_END ();
}
|
