// SPDX-License-Identifier: GPL-2.0 #define _GNU_SOURCE#include <check.h>#include <stdio.h>#include <stdlib.h>#include <sched.h>#include <limits.h>#include <unistd.h>#include <sys/sysinfo.h> #include "../../src/utils.h" extern int nr_cpus; START_TEST(test_strtoi){	int result;	char buf[64]; 	ck_assert_int_eq(strtoi("123", &result), 0);	ck_assert_int_eq(result, 123);	ck_assert_int_eq(strtoi(" -456", &result), 0);	ck_assert_int_eq(result, -456); 	snprintf(buf, sizeof(buf), "%d", INT_MAX);	ck_assert_int_eq(strtoi(buf, &result), 0);	snprintf(buf, sizeof(buf), "%ld", (long)INT_MAX + 1);	ck_assert_int_eq(strtoi(buf, &result), -1); 	ck_assert_int_eq(strtoi("", &result), -1);	ck_assert_int_eq(strtoi("123abc", &result), -1);	ck_assert_int_eq(strtoi("123 ", &result), -1);}END_TEST START_TEST(test_parse_cpu_set){	cpu_set_t set; 	nr_cpus = 8;	ck_assert_int_eq(parse_cpu_set("0", &set), 0);	ck_assert(CPU_ISSET(0, &set));	ck_assert(!CPU_ISSET(1, &set)); 	ck_assert_int_eq(parse_cpu_set("0,2", &set), 0);	ck_assert(CPU_ISSET(0, &set));	ck_assert(CPU_ISSET(2, &set)); 	ck_assert_int_eq(parse_cpu_set("0-3", &set), 0);	ck_assert(CPU_ISSET(0, &set));	ck_assert(CPU_ISSET(1, &set));	ck_assert(CPU_ISSET(2, &set));	ck_assert(CPU_ISSET(3, &set)); 	ck_assert_int_eq(parse_cpu_set("1-3,5", &set), 0);	ck_assert(!CPU_ISSET(0, &set));	ck_assert(CPU_ISSET(1, &set));	ck_assert(CPU_ISSET(2, &set));	ck_assert(CPU_ISSET(3, &set));	ck_assert(!CPU_ISSET(4, &set));	ck_assert(CPU_ISSET(5, &set)); 	ck_assert_int_eq(parse_cpu_set("-1", &set), 1);	ck_assert_int_eq(parse_cpu_set("abc", &set), 1);	ck_assert_int_eq(parse_cpu_set("9999", &set), 1);}END_TEST START_TEST(test_parse_prio){	struct sched_attr attr; 	ck_assert_int_eq(parse_prio("f:50", &attr), 0);	ck_assert_uint_eq(attr.sched_policy, SCHED_FIFO);	ck_assert_uint_eq(attr.sched_priority, 50U); 	ck_assert_int_eq(parse_prio("r:30", &attr), 0);	ck_assert_uint_eq(attr.sched_policy, SCHED_RR); 	ck_assert_int_eq(parse_prio("o:0", &attr), 0);	ck_assert_uint_eq(attr.sched_policy, SCHED_OTHER);	ck_assert_int_eq(attr.sched_nice, 0); 	ck_assert_int_eq(parse_prio("d:10ms:100ms", &attr), 0);	ck_assert_uint_eq(attr.sched_policy, 6U); 	ck_assert_int_eq(parse_prio("f:999", &attr), -1);	ck_assert_int_eq(parse_prio("o:-20", &attr), -1);	ck_assert_int_eq(parse_prio("d:100ms:10ms", &attr), -1);	ck_assert_int_eq(parse_prio("x:50", &attr), -1);}END_TEST Suite *utils_suite(void){	Suite *s = suite_create("utils");	TCase *tc = tcase_create("core"); 	tcase_add_test(tc, test_strtoi);	tcase_add_test(tc, test_parse_cpu_set);	tcase_add_test(tc, test_parse_prio); 	suite_add_tcase(s, tc);	return s;}