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Ole André Vadla Ravnås 2022-05-07 01:01:45 +02:00
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include/linux/kernel_ut.h Executable file
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/*
* A lightwight way to do unittest for kernel code.
*
* Copyright (C) 2013 Allwinner.
*
* Mintow <duanmintao@allwinnertech.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef _KERNEL_UT_H_
#define _KERNEL_UT_H_
#include <linux/kernel.h>
/* Usage:
1. Call UT_DECLARE(), define some global variables;
2. Define an array of ut_case_t, for example:
static ut_case_t gs_ut_case[] = {
{"test case1 name", NULL, ut_test_case1, NULL},
{"test case2 name", NULL, ut_test_case2, NULL},
};
3. Call UT_RUN(gs_ut_case), gs_ut_case is defined in 2.
4. Call UT_END(), display the statistics result.
*/
/* This macro must be called in the global section, not in a function. */
#define UT_DECLARE() \
static unsigned int gs_ut_ok = 0; \
static unsigned int gs_ut_fail = 0; \
static unsigned int gs_ut_assert_per_case = 0;
#define UT_ASSERT(value) \
do { \
gs_ut_assert_per_case++; \
if (value) \
gs_ut_ok++; \
else { \
gs_ut_fail++; \
printk(KERN_NOTICE"%s, %d - (%s) failed! \n", __FILE__, __LINE__, #value); \
} \
} while (0)
#define UT_INIT() \
do { \
gs_ut_ok = 0; \
gs_ut_fail = 0; \
} while (0)
#define UT_RUN(testcase) \
do { \
int i; \
printk(KERN_NOTICE"Run %s[] ... \n", #testcase); \
for (i=0; i<ARRAY_SIZE(testcase); i++) { \
gs_ut_assert_per_case = 0; \
printk(KERN_NOTICE"Test case %d: %s \n", i, testcase[i].name); \
if (testcase[i].init != NULL) \
testcase[i].init(); \
if (testcase[i].run != NULL) \
testcase[i].run(); \
if (testcase[i].cleanup != NULL) \
testcase[i].cleanup(); \
printk(KERN_NOTICE"\tAssert cnt %d. \n", gs_ut_assert_per_case); \
} \
} while (0)
#define UT_END() \
printk(KERN_NOTICE"Unittest assert: Total: %u, Ok: %u, Fail: %u \n", \
gs_ut_ok + gs_ut_fail, gs_ut_ok, gs_ut_fail)
#define UT_RESULT(buf, len) \
snprintf(buf, len, "Unittest assert: Total: %u, Ok: %u, Fail: %u \n", \
gs_ut_ok + gs_ut_fail, gs_ut_ok, gs_ut_fail)
typedef struct {
char *name;
void (*init)(void);
void (*run)(void);
void (*cleanup)(void);
} ut_case_t;
#endif /* end of _KERNEL_UT_H_ */