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73 lines
2.2 KiB
C
73 lines
2.2 KiB
C
/*
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* Copyright 2022 Benjamin Valentin <benpicco@googlemail.com>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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#include "checksum/crc32.h"
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#include "tests-checksum.h"
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static void test_checksum_crc32_sequence_empty(void)
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{
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unsigned char buf[] = "";
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uint32_t expect = 0x0;
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TEST_ASSERT_EQUAL_INT(expect, crc32(buf, sizeof(buf) - 1));
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}
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static void test_checksum_crc32_sequence_1a(void)
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{
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unsigned char buf[] = "A";
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uint32_t expect = 0xd3d99e8b;
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TEST_ASSERT_EQUAL_INT(expect, crc32(buf, sizeof(buf) - 1));
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}
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static void test_checksum_crc32_sequence_256a(void)
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{
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unsigned char buf[] = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
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uint32_t expect = 0x49975b13;
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TEST_ASSERT_EQUAL_INT(expect, crc32(buf, sizeof(buf) - 1));
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}
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static void test_checksum_crc32_sequence_1to9(void)
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{
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unsigned char buf[] = "123456789";
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uint32_t expect = 0xcbf43926;
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TEST_ASSERT_EQUAL_INT(expect, crc32(buf, sizeof(buf) - 1));
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}
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static void test_checksum_crc32_sequence_4bytes(void)
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{
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unsigned char buf[] = { 0x12, 0x34, 0x56, 0x78 };
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uint32_t expect = 0x4a090e98;
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TEST_ASSERT_EQUAL_INT(expect, crc32(buf, sizeof(buf)));
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}
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Test *tests_checksum_crc32_tests(void)
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{
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EMB_UNIT_TESTFIXTURES(fixtures) {
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new_TestFixture(test_checksum_crc32_sequence_empty),
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new_TestFixture(test_checksum_crc32_sequence_1a),
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new_TestFixture(test_checksum_crc32_sequence_256a),
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new_TestFixture(test_checksum_crc32_sequence_1to9),
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new_TestFixture(test_checksum_crc32_sequence_4bytes),
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};
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EMB_UNIT_TESTCALLER(checksum_crc32_tests, NULL, NULL, fixtures);
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return (Test *)&checksum_crc32_tests;
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}
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