| Heinrich Schuchardt | 3080ddf | 2023-02-22 02:10:20 +0100 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * Copyright 2023, Heinrich Schuchardt <heinrich.schuchardt@canonical.com> |
| 4 | * |
| 5 | * Unit test for crc8 |
| 6 | */ |
| 7 | |
| 8 | #include <test/lib.h> |
| 9 | #include <test/ut.h> |
| 10 | #include <u-boot/crc.h> |
| 11 | |
| 12 | static int lib_crc8(struct unit_test_state *uts) { |
| 13 | const char str[] = {0x20, 0xf4, 0xd8, 0x24, 0x6f, 0x41, 0x91, 0xae, |
| 14 | 0x46, 0x61, 0xf6, 0x55, 0xeb, 0x38, 0x47, 0x0f, |
| 15 | 0xec, 0xd8}; |
| 16 | int actual1, actual2, actual3; |
| 17 | int expected1 = 0x47, expected2 = 0xea, expected3 = expected1; |
| 18 | |
| 19 | actual1 = crc8(0, str, sizeof(str)); |
| 20 | ut_asserteq(expected1, actual1); |
| 21 | actual2 = crc8(0, str, 7); |
| 22 | ut_asserteq(expected2, actual2); |
| 23 | actual3 = crc8(actual2, str + 7, sizeof(str) - 7); |
| 24 | ut_asserteq(expected3, actual3); |
| 25 | |
| 26 | return 0; |
| 27 | } |
| 28 | |
| 29 | LIB_TEST(lib_crc8, 0); |