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