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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"
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
struct cpu_list_iterate_cb_data {
int index;
int *values;
};
static int cpu_list_iterate_callback(int cpu, void *data)
{
struct cpu_list_iterate_cb_data *cb_data = data;
ck_assert_int_eq(cpu, cb_data->values[cb_data->index++]);
return 0;
}
static int cpu_list_iterate_callback_error(int cpu, void *data)
{
struct cpu_list_iterate_cb_data *cb_data = data;
if (cpu > 10)
return -42;
ck_assert_int_eq(cpu, cb_data->values[cb_data->index++]);
return 0;
}
START_TEST(test_cpu_list_iterate)
{
struct cpu_list_iterate_cb_data cb_data;
int test_data_1[] = {1, 2, 3, 4};
int test_data_2[] = {1, 2, 10, 11, 12};
cb_data.index = 0;
cb_data.values = test_data_1;
ck_assert_int_eq(cpu_list_iterate("1,2,3,4", cpu_list_iterate_callback, &cb_data), 4);
ck_assert_int_eq(cb_data.index, 4);
cb_data.index = 0;
ck_assert_int_eq(cpu_list_iterate("1-4", cpu_list_iterate_callback, &cb_data), 4);
ck_assert_int_eq(cb_data.index, 4);
cb_data.index = 0;
ck_assert_int_eq(cpu_list_iterate("1,2-3,4", cpu_list_iterate_callback, &cb_data), 4);
ck_assert_int_eq(cb_data.index, 4);
cb_data.index = 0;
ck_assert_int_eq(cpu_list_iterate("1-3,4", cpu_list_iterate_callback, &cb_data), 4);
ck_assert_int_eq(cb_data.index, 4);
cb_data.index = 0;
ck_assert_int_eq(cpu_list_iterate("1,2-4", cpu_list_iterate_callback, &cb_data), 4);
ck_assert_int_eq(cb_data.index, 4);
cb_data.index = 0;
ck_assert_int_eq(cpu_list_iterate("1,2-4", cpu_list_iterate_callback_error, &cb_data), 4);
ck_assert_int_eq(cb_data.index, 4);
cb_data.index = 0;
cb_data.values = test_data_2;
ck_assert_int_eq(cpu_list_iterate("1,2,10-12", cpu_list_iterate_callback_error, &cb_data),
-42);
ck_assert_int_eq(cb_data.index, 3);
}
END_TEST
START_TEST(test_get_max_cpu_from_list)
{
ck_assert_int_eq(get_max_cpu_from_list("1,2,3,4-60"), 60);
ck_assert_int_eq(get_max_cpu_from_list("2,1-7,4"), 7);
ck_assert_int_eq(get_max_cpu_from_list("invalid"), -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_cpu_list_iterate);
tcase_add_test(tc, test_get_max_cpu_from_list);
tcase_add_test(tc, test_parse_cpu_set);
tcase_add_test(tc, test_parse_prio);
suite_add_tcase(s, tc);
return s;
}
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