core: fix Doxygen warning
[libusbx.git] / tests / stress.c
blobdb8d233e99382350771719f82b73f9f0b1ec9f29
1 /*
2 * libusbx stress test program to perform simple stress tests
3 * Copyright © 2012 Toby Gray <toby.gray@realvnc.com>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 #include <stdio.h>
21 #include <string.h>
22 #include <memory.h>
24 #include "libusb.h"
25 #include "libusbx_testlib.h"
27 /** Test that creates and destroys a single concurrent context
28 * 10000 times. */
29 static libusbx_testlib_result test_init_and_exit(libusbx_testlib_ctx * tctx)
31 libusb_context * ctx = NULL;
32 int i;
33 for (i = 0; i < 10000; ++i) {
34 int r = libusb_init(&ctx);
35 if (r != LIBUSB_SUCCESS) {
36 libusbx_testlib_logf(tctx,
37 "Failed to init libusb on iteration %d: %d",
38 i, r);
39 return TEST_STATUS_FAILURE;
41 libusb_exit(ctx);
42 ctx = NULL;
45 return TEST_STATUS_SUCCESS;
48 /** Tests that devices can be listed 1000 times. */
49 static libusbx_testlib_result test_get_device_list(libusbx_testlib_ctx * tctx)
51 libusb_context * ctx = NULL;
52 int r, i;
53 r = libusb_init(&ctx);
54 if (r != LIBUSB_SUCCESS) {
55 libusbx_testlib_logf(tctx, "Failed to init libusb: %d", r);
56 return TEST_STATUS_FAILURE;
58 for (i = 0; i < 1000; ++i) {
59 libusb_device ** device_list;
60 ssize_t list_size = libusb_get_device_list(ctx, &device_list);
61 if (list_size < 0 || device_list == NULL) {
62 libusbx_testlib_logf(tctx,
63 "Failed to get device list on iteration %d: %d (%p)",
64 i, -list_size, device_list);
65 return TEST_STATUS_FAILURE;
67 libusb_free_device_list(device_list, 1);
69 libusb_exit(ctx);
70 return TEST_STATUS_SUCCESS;
73 /** Tests that 100 concurrent device lists can be open at a time. */
74 static libusbx_testlib_result test_many_device_lists(libusbx_testlib_ctx * tctx)
76 #define LIST_COUNT 100
77 libusb_context * ctx = NULL;
78 libusb_device ** device_lists[LIST_COUNT];
79 int r, i;
80 memset(device_lists, 0, sizeof(device_lists));
82 r = libusb_init(&ctx);
83 if (r != LIBUSB_SUCCESS) {
84 libusbx_testlib_logf(tctx, "Failed to init libusb: %d", r);
85 return TEST_STATUS_FAILURE;
88 /* Create the 100 device lists. */
89 for (i = 0; i < LIST_COUNT; ++i) {
90 ssize_t list_size = libusb_get_device_list(ctx, &(device_lists[i]));
91 if (list_size < 0 || device_lists[i] == NULL) {
92 libusbx_testlib_logf(tctx,
93 "Failed to get device list on iteration %d: %d (%p)",
94 i, -list_size, device_lists[i]);
95 return TEST_STATUS_FAILURE;
99 /* Destroy the 100 device lists. */
100 for (i = 0; i < LIST_COUNT; ++i) {
101 if (device_lists[i]) {
102 libusb_free_device_list(device_lists[i], 1);
103 device_lists[i] = NULL;
107 libusb_exit(ctx);
108 return TEST_STATUS_SUCCESS;
109 #undef LIST_COUNT
112 /** Tests that the default context (used for various things including
113 * logging) works correctly when the first context created in a
114 * process is destroyed. */
115 static libusbx_testlib_result test_default_context_change(libusbx_testlib_ctx * tctx)
117 libusb_context * ctx = NULL;
118 int r, i;
120 for (i = 0; i < 100; ++i) {
121 /* First create a new context */
122 r = libusb_init(&ctx);
123 if (r != LIBUSB_SUCCESS) {
124 libusbx_testlib_logf(tctx, "Failed to init libusb: %d", r);
125 return TEST_STATUS_FAILURE;
128 /* Enable debug output, to be sure to use the context */
129 libusb_set_debug(NULL, LIBUSB_LOG_LEVEL_DEBUG);
130 libusb_set_debug(ctx, LIBUSB_LOG_LEVEL_DEBUG);
132 /* Now create a reference to the default context */
133 r = libusb_init(NULL);
134 if (r != LIBUSB_SUCCESS) {
135 libusbx_testlib_logf(tctx, "Failed to init libusb: %d", r);
136 return TEST_STATUS_FAILURE;
139 /* Destroy the first context */
140 libusb_exit(ctx);
141 /* Destroy the default context */
142 libusb_exit(NULL);
145 return TEST_STATUS_SUCCESS;
148 /* Fill in the list of tests. */
149 static const libusbx_testlib_test tests[] = {
150 {"init_and_exit", &test_init_and_exit},
151 {"get_device_list", &test_get_device_list},
152 {"many_device_lists", &test_many_device_lists},
153 {"default_context_change", &test_default_context_change},
154 LIBUSBX_NULL_TEST
157 int main (int argc, char ** argv)
159 return libusbx_testlib_run_tests(argc, argv, tests);