219 lines
6.8 KiB
C
219 lines
6.8 KiB
C
/*
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* Copyright (c) 2017 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <ztest.h>
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#include <sys/crc.h>
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#include "../../../lib/os/crc8_sw.c"
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#include "../../../lib/os/crc16_sw.c"
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#include "../../../lib/os/crc32_sw.c"
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#include "../../../lib/os/crc7_sw.c"
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void test_crc32_ieee(void)
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{
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uint8_t test1[] = { 'A' };
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uint8_t test2[] = { '1', '2', '3', '4', '5', '6', '7', '8', '9' };
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uint8_t test3[] = { 'Z', 'e', 'p', 'h', 'y', 'r' };
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zassert_equal(crc32_ieee(test1, sizeof(test1)), 0xD3D99E8B, NULL);
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zassert_equal(crc32_ieee(test2, sizeof(test2)), 0xCBF43926, NULL);
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zassert_equal(crc32_ieee(test3, sizeof(test3)), 0x20089AA4, NULL);
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}
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void test_crc16(void)
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{
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uint8_t test0[] = { };
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uint8_t test1[] = { 'A' };
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uint8_t test2[] = { '1', '2', '3', '4', '5', '6', '7', '8', '9' };
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zassert_equal(crc16(test0, sizeof(test0), 0x1021, 0xffff, true),
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0x1d0f, NULL);
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zassert_equal(crc16(test1, sizeof(test1), 0x1021, 0xffff, true),
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0x9479, NULL);
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zassert_equal(crc16(test2, sizeof(test2), 0x1021, 0xffff, true),
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0xe5cc, NULL);
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}
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void test_crc16_ansi(void)
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{
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uint8_t test0[] = { };
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uint8_t test1[] = { 'A' };
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uint8_t test2[] = { '1', '2', '3', '4', '5', '6', '7', '8', '9' };
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zassert(crc16_ansi(test0, sizeof(test0)) == 0x800d, "pass", "fail");
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zassert(crc16_ansi(test1, sizeof(test1)) == 0x8f85, "pass", "fail");
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zassert(crc16_ansi(test2, sizeof(test2)) == 0x9ecf, "pass", "fail");
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}
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void test_crc16_ccitt(void)
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{
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uint8_t test0[] = { };
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uint8_t test1[] = { 'A' };
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uint8_t test2[] = { '1', '2', '3', '4', '5', '6', '7', '8', '9' };
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uint8_t test3[] = { 'Z', 'e', 'p', 'h', 'y', 'r', 0, 0 };
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uint16_t crc;
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zassert_equal(crc16_ccitt(0, test0, sizeof(test0)), 0x0, NULL);
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zassert_equal(crc16_ccitt(0, test1, sizeof(test1)), 0x538d, NULL);
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zassert_equal(crc16_ccitt(0, test2, sizeof(test2)), 0x2189, NULL);
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/* Appending the CRC to a buffer and computing the CRC over
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* the extended buffer leaves a residual of zero.
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*/
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crc = crc16_ccitt(0, test3, sizeof(test3) - sizeof(uint16_t));
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test3[sizeof(test3)-2] = (uint8_t)(crc >> 0);
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test3[sizeof(test3)-1] = (uint8_t)(crc >> 8);
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zassert_equal(crc16_ccitt(0, test3, sizeof(test3)), 0, NULL);
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}
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void test_crc16_ccitt_for_ppp(void)
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{
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/* Example capture including FCS from
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* https://www.horo.ch/techno/ppp-fcs/examples_en.html
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*/
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uint8_t test0[] = {
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0xff, 0x03, 0xc0, 0x21, 0x01, 0x01, 0x00, 0x17,
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0x02, 0x06, 0x00, 0x0a, 0x00, 0x00, 0x05, 0x06,
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0x00, 0x2a, 0x2b, 0x78, 0x07, 0x02, 0x08, 0x02,
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0x0d, 0x03, 0x06, 0xa5, 0xf8
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};
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uint8_t test2[] = { '1', '2', '3', '4', '5', '6', '7', '8', '9' };
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zassert_equal(crc16_ccitt(0xffff, test0, sizeof(test0)),
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0xf0b8, NULL);
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zassert_equal(crc16_ccitt(0xffff, test2, sizeof(test2)) ^ 0xFFFF,
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0x906e, NULL);
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}
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void test_crc16_itu_t(void)
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{
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uint8_t test2[] = { '1', '2', '3', '4', '5', '6', '7', '8', '9' };
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zassert_equal(crc16_itu_t(0, test2, sizeof(test2)),
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0x31c3, NULL);
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}
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void test_crc8_ccitt(void)
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{
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uint8_t test0[] = { 0 };
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uint8_t test1[] = { 'A' };
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uint8_t test2[] = { '1', '2', '3', '4', '5', '6', '7', '8', '9' };
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zassert(crc8_ccitt(CRC8_CCITT_INITIAL_VALUE, test0,
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sizeof(test0)) == 0xF3, "pass", "fail");
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zassert(crc8_ccitt(CRC8_CCITT_INITIAL_VALUE, test1,
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sizeof(test1)) == 0x33, "pass", "fail");
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zassert(crc8_ccitt(CRC8_CCITT_INITIAL_VALUE, test2,
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sizeof(test2)) == 0xFB, "pass", "fail");
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}
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void test_crc7_be(void)
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{
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uint8_t test0[] = { 0 };
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uint8_t test1[] = { 'A' };
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uint8_t test2[] = { '1', '2', '3', '4', '5', '6', '7', '8', '9' };
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zassert_equal(crc7_be(0, test0, sizeof(test0)), 0, NULL);
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zassert_equal(crc7_be(0, test1, sizeof(test1)), 0xDA, NULL);
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zassert_equal(crc7_be(0, test2, sizeof(test2)), 0xEA, NULL);
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}
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void test_crc8(void)
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{
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uint8_t fcs, expected;
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uint8_t test0[] = { 0x00 };
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uint8_t test1[] = { 0xBE, 0xEF };
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uint8_t test2[] = { 0x07, 0x3F }; /* GSM 07.10 example */
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uint8_t test3[] = { 0x07, 0x3F, 0x89 }; /* GSM 07.10 example */
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uint8_t test4[] = { 0x03, 0x02, 0x0A, 0x38, 0x17, 0x00 };
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uint8_t test5[] = { 0x03, 0x3f, 0x01, 0x1c }; /* Our GSM 07.10 calc */
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fcs = crc8(test0, sizeof(test0), 0x00, 0x00, false);
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expected = 0x00;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test0, sizeof(test0), 0x31, 0x00, false);
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expected = 0x00;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test1, sizeof(test1), 0x07, 0x00, false);
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expected = 0x1a;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test1, sizeof(test1), 0x31, 0xff, false);
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expected = 0x92;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test1, sizeof(test1), 0x07, 0x00, false);
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expected = 0x1a;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test2, sizeof(test2), 0x31, 0x00, false);
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expected = 0x45;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test2, sizeof(test2), 0x31, 0xff, false);
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expected = 0xc4;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test2, sizeof(test2), 0x07, 0x00, false);
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expected = 0xd6;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test2, sizeof(test2), 0x07, 0xff, false);
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expected = 0x01;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test2, sizeof(test2), 0xe0, 0xff, true);
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expected = 0x76;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test3, sizeof(test3), 0xe0, 0xff, true);
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expected = 0xcf;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test3, sizeof(test3), 0x07, 0xff, false);
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expected = 0xb1;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test4, sizeof(test4), 0x31, 0x00, false);
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expected = 0x3a;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test4, sizeof(test4), 0x07, 0x00, false);
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expected = 0xaf;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test4, sizeof(test4), 0x9b, 0xff, false);
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expected = 0xf0;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test4, sizeof(test4), 0x1d, 0xfd, false);
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expected = 0x49;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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fcs = crc8(test5, sizeof(test5), 0xe0, 0xff, true);
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expected = 0xcf;
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zassert_equal(fcs, expected, "0x%02x vs 0x%02x", fcs, expected);
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}
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void test_main(void)
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{
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ztest_test_suite(test_crc,
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ztest_unit_test(test_crc32_ieee),
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ztest_unit_test(test_crc16),
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ztest_unit_test(test_crc16_ansi),
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ztest_unit_test(test_crc16_ccitt),
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ztest_unit_test(test_crc16_ccitt_for_ppp),
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ztest_unit_test(test_crc16_itu_t),
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ztest_unit_test(test_crc8_ccitt),
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ztest_unit_test(test_crc7_be),
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ztest_unit_test(test_crc8));
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ztest_run_test_suite(test_crc);
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}
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