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da31917f4f
Relicense permission collected from all relevant authors as tallied at: https://github.com/rlenferink/libzmq-relicense/blob/master/checklist.md The relicense grants are collected under RELICENSE/ and will be moved to the above repository in a later commit. Fixes https://github.com/zeromq/libzmq/issues/2376
72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
/* SPDX-License-Identifier: MPL-2.0 */
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#include "testutil.hpp"
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#include "testutil_unity.hpp"
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#include <stdio.h>
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#include <stdlib.h>
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#include <vector>
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SETUP_TEARDOWN_TESTCONTEXT
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void test_system_max ()
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{
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// Keep allocating sockets until we run out of system resources
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const int no_of_sockets = 2 * 65536;
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zmq_ctx_set (get_test_context (), ZMQ_MAX_SOCKETS, no_of_sockets);
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std::vector<void *> sockets;
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while (true) {
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void *socket = zmq_socket (get_test_context (), ZMQ_PAIR);
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if (!socket)
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break;
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sockets.push_back (socket);
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}
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TEST_ASSERT_LESS_OR_EQUAL (no_of_sockets,
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static_cast<int> (sockets.size ()));
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printf ("Socket creation failed after %i sockets\n",
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static_cast<int> (sockets.size ()));
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// System is out of resources, further calls to zmq_socket should return NULL
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for (unsigned int i = 0; i < 10; ++i) {
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TEST_ASSERT_NULL (zmq_socket (get_test_context (), ZMQ_PAIR));
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}
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// Clean up.
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for (unsigned int i = 0; i < sockets.size (); ++i)
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TEST_ASSERT_SUCCESS_ERRNO (zmq_close (sockets[i]));
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}
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void test_zmq_default_max ()
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{
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// Keep allocating sockets until we hit the default limit
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std::vector<void *> sockets;
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while (true) {
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void *socket = zmq_socket (get_test_context (), ZMQ_PAIR);
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if (!socket)
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break;
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sockets.push_back (socket);
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}
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// We may stop sooner if system has fewer available sockets
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TEST_ASSERT_LESS_OR_EQUAL (ZMQ_MAX_SOCKETS_DFLT, sockets.size ());
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// Further calls to zmq_socket should return NULL
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for (unsigned int i = 0; i < 10; ++i) {
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TEST_ASSERT_NULL (zmq_socket (get_test_context (), ZMQ_PAIR));
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}
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// Clean up
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for (unsigned int i = 0; i < sockets.size (); ++i)
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TEST_ASSERT_SUCCESS_ERRNO (zmq_close (sockets[i]));
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}
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int main (void)
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{
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setup_test_environment ();
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UNITY_BEGIN ();
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RUN_TEST (test_system_max);
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RUN_TEST (test_zmq_default_max);
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return UNITY_END ();
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}
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