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// 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"
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;
}
int main(void)
{
int num_failed;
SRunner *sr;
sr = srunner_create(utils_suite());
srunner_run_all(sr, CK_NORMAL);
num_failed = srunner_ntests_failed(sr);
srunner_free(sr);
return (num_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}
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