1 // SPDX-License-Identifier: GPL-2.0-only
3 #include <kunit/test.h>
5 #include <linux/sort.h>
6 #include <linux/slab.h>
7 #include <linux/module.h>
9 /* a simple boot-time regression test */
13 static int cmpint(const void *a, const void *b)
15 return *(int *)a - *(int *)b;
18 static void test_sort(struct kunit *test)
22 a = kunit_kmalloc_array(test, TEST_LEN, sizeof(*a), GFP_KERNEL);
23 KUNIT_ASSERT_NOT_ERR_OR_NULL(test, a);
25 for (i = 0; i < TEST_LEN; i++) {
26 r = (r * 725861) % 6599;
30 sort(a, TEST_LEN, sizeof(*a), cmpint, NULL);
32 for (i = 0; i < TEST_LEN-1; i++)
33 KUNIT_ASSERT_LE(test, a[i], a[i + 1]);
36 static struct kunit_case sort_test_cases[] = {
37 KUNIT_CASE(test_sort),
41 static struct kunit_suite sort_test_suite = {
43 .test_cases = sort_test_cases,
46 kunit_test_suites(&sort_test_suite);
48 MODULE_LICENSE("GPL");