1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * comedi/drivers/tests/unittest.h 4 * Simple framework for unittests for comedi drivers. 5 * 6 * COMEDI - Linux Control and Measurement Device Interface 7 * Copyright (C) 2016 Spencer E. Olson <olsonse@umich.edu> 8 * based of parts of drivers/of/unittest.c 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 #ifndef _COMEDI_DRIVERS_TESTS_UNITTEST_H 22 #define _COMEDI_DRIVERS_TESTS_UNITTEST_H 23 24 static struct unittest_results { 25 int passed; 26 int failed; 27 } unittest_results; 28 29 typedef void (*unittest_fptr)(void); 30 31 #define unittest(result, fmt, ...) ({ \ 32 bool failed = !(result); \ 33 if (failed) { \ 34 ++unittest_results.failed; \ 35 pr_err("FAIL %s():%i " fmt, __func__, __LINE__, \ 36 ##__VA_ARGS__); \ 37 } else { \ 38 ++unittest_results.passed; \ 39 pr_debug("pass %s():%i " fmt, __func__, __LINE__, \ 40 ##__VA_ARGS__); \ 41 } \ 42 failed; \ 43 }) 44 45 /** 46 * Execute an array of unit tests. 47 * @name: Name of set of unit tests--will be shown at INFO log level. 48 * @unit_tests: A null-terminated list of unit tests to execute. 49 */ 50 static inline void exec_unittests(const char *name, 51 const unittest_fptr *unit_tests) 52 { 53 pr_info("begin comedi:\"%s\" unittests\n", name); 54 55 for (; (*unit_tests) != NULL; ++unit_tests) 56 (*unit_tests)(); 57 58 pr_info("end of comedi:\"%s\" unittests - %i passed, %i failed\n", name, 59 unittest_results.passed, unittest_results.failed); 60 } 61 62 #endif /* _COMEDI_DRIVERS_TESTS_UNITTEST_H */ 63