u-boot/test/lib/test_crc8.c
Heinrich Schuchardt 3080ddf970 test: unit test for crc8
Add a unit test for the crc8() function.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2023-03-13 13:56:14 +01:00

29 lines
763 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2023, Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
*
* Unit test for crc8
*/
#include <test/lib.h>
#include <test/ut.h>
#include <u-boot/crc.h>
static int lib_crc8(struct unit_test_state *uts) {
const char str[] = {0x20, 0xf4, 0xd8, 0x24, 0x6f, 0x41, 0x91, 0xae,
0x46, 0x61, 0xf6, 0x55, 0xeb, 0x38, 0x47, 0x0f,
0xec, 0xd8};
int actual1, actual2, actual3;
int expected1 = 0x47, expected2 = 0xea, expected3 = expected1;
actual1 = crc8(0, str, sizeof(str));
ut_asserteq(expected1, actual1);
actual2 = crc8(0, str, 7);
ut_asserteq(expected2, actual2);
actual3 = crc8(actual2, str + 7, sizeof(str) - 7);
ut_asserteq(expected3, actual3);
return 0;
}
LIB_TEST(lib_crc8, 0);