Something went wrong. Try again.
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Something went wrong. Try again.
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162// SPDX-License-Identifier: GPL-2.0-only
#include <kunit/test.h>
#include <linux/sort.h>#include <linux/slab.h>#include <linux/module.h>
/* a simple boot-time regression test */
#define TEST_LEN 1000
static int cmpint(const void *a, const void *b){ return *(int *)a - *(int *)b;}
static void test_sort(struct kunit *test){ int *a, i, r = 1;
a = kunit_kmalloc_array(test, TEST_LEN, sizeof(*a), GFP_KERNEL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, a);
for (i = 0; i < TEST_LEN; i++) { r = (r * 725861) % 6599; a[i] = r; }
sort(a, TEST_LEN, sizeof(*a), cmpint, NULL);
for (i = 0; i < TEST_LEN - 1; i++) KUNIT_ASSERT_LE(test, a[i], a[i + 1]);
r = 48;
for (i = 0; i < TEST_LEN - 1; i++) { r = (r * 725861) % 6599; a[i] = r; }
sort(a, TEST_LEN - 1, sizeof(*a), cmpint, NULL);
for (i = 0; i < TEST_LEN - 2; i++) KUNIT_ASSERT_LE(test, a[i], a[i + 1]);}
static struct kunit_case sort_test_cases[] = { KUNIT_CASE(test_sort), {}};
static struct kunit_suite sort_test_suite = { .name = "lib_sort", .test_cases = sort_test_cases,};
kunit_test_suites(&sort_test_suite);
MODULE_DESCRIPTION("sort() KUnit test suite");MODULE_LICENSE("GPL");