// SPDX-License-Identifier: GPL-2.0-only#include <kunit/test.h>#include <linux/int_log.h> struct test_case_params {	u32 value;	unsigned int expected_result;	const char *name;};  /* The expected result takes into account the log error */static const struct test_case_params intlog2_params[] = {	{0, 0, "Log base 2 of 0"},	{1, 0, "Log base 2 of 1"},	{2, 16777216, "Log base 2 of 2"},	{3, 26591232, "Log base 2 of 3"},	{4, 33554432, "Log base 2 of 4"},	{8, 50331648, "Log base 2 of 8"},	{16, 67108864, "Log base 2 of 16"},	{32, 83886080, "Log base 2 of 32"},	{U32_MAX, 536870911, "Log base 2 of MAX"},}; static const struct test_case_params intlog10_params[] = {	{0, 0, "Log base 10 of 0"},	{1, 0, "Log base 10 of 1"},	{6, 13055203, "Log base 10 of 6"},	{10, 16777225, "Log base 10 of 10"},	{100, 33554450, "Log base 10 of 100"},	{1000, 50331675, "Log base 10 of 1000"},	{10000, 67108862, "Log base 10 of 10000"},	{U32_MAX, 161614247, "Log base 10 of MAX"}}; static void get_desc(const struct test_case_params *tc, char *desc){	strscpy(desc, tc->name, KUNIT_PARAM_DESC_SIZE);}  KUNIT_ARRAY_PARAM(intlog2, intlog2_params, get_desc); static void intlog2_test(struct kunit *test){	const struct test_case_params *tc = (const struct test_case_params *)test->param_value; 	KUNIT_EXPECT_EQ(test, tc->expected_result, intlog2(tc->value));} KUNIT_ARRAY_PARAM(intlog10, intlog10_params, get_desc); static void intlog10_test(struct kunit *test){	const struct test_case_params *tc = (const struct test_case_params *)test->param_value; 	KUNIT_EXPECT_EQ(test, tc->expected_result, intlog10(tc->value));} static struct kunit_case math_int_log_test_cases[] = {	KUNIT_CASE_PARAM(intlog2_test, intlog2_gen_params),	KUNIT_CASE_PARAM(intlog10_test, intlog10_gen_params),	{}}; static struct kunit_suite int_log_test_suite = {	.name = "math-int_log",	.test_cases =  math_int_log_test_cases,}; kunit_test_suites(&int_log_test_suite); MODULE_DESCRIPTION("math.int_log KUnit test suite");MODULE_LICENSE("GPL");