1 // SPDX-License-Identifier: GPL-2.0+
2 /* vim: set ts=8 sw=8 noet tw=80 nowrap: */
3 /*
4 * comedi/drivers/tests/example_test.c
5 * Example set of unit tests.
6 *
7 * COMEDI - Linux Control and Measurement Device Interface
8 * Copyright (C) 2016 Spencer E. Olson <olsonse@umich.edu>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 */
20
21 #include <linux/module.h>
22
23 #include "unittest.h"
24
25 /* *** BEGIN fake board data *** */
26 struct comedi_device {
27 const char *board_name;
28 int item;
29 };
30
31 static struct comedi_device dev = {
32 .board_name = "fake_device",
33 };
34
35 /* *** END fake board data *** */
36
37 /* *** BEGIN fake data init *** */
38 void init_fake(void)
39 {
40 dev.item = 10;
41 }
42
43 /* *** END fake data init *** */
44
45 void test0(void)
46 {
47 init_fake();
48 unittest(dev.item != 11, "negative result\n");
49 unittest(dev.item == 10, "positive result\n");
50 }
51
52 /* **** BEGIN simple module entry/exit functions **** */
53 static int __init unittest_enter(void)
54 {
55 const unittest_fptr unit_tests[] = {
56 (unittest_fptr)test0,
57 NULL,
58 };
59
60 exec_unittests("example", unit_tests);
61 return 0;
62 }
63
64 static void __exit unittest_exit(void) { }
65
66 module_init(unittest_enter);
67 module_exit(unittest_exit);
68
69 MODULE_AUTHOR("Spencer Olson <olsonse@umich.edu>");
70 MODULE_DESCRIPTION("Comedi unit-tests example");
71 MODULE_LICENSE("GPL");
72 /* **** END simple module entry/exit functions **** */