a752c7ab
 elopes
add first test an...
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/*
* Copyright (C) 2015 Lucas Jenß
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup fs
* @brief
* @{
*
* @brief Tests for Hamming Code implementation
* @author Lucas Jenß <lucas@x3ro.de>
*/
#include <string.h>
#include "embUnit.h"
#include "ecc/hamming256.h"
static void test_single(void)
{
uint8_t data[256];
uint8_t ecc[3];
uint8_t result;
memset(data, 0xAB, 256);
hamming_compute256x(data, 256, ecc);
result = hamming_verify256x(data, 256, ecc);
TEST_ASSERT_EQUAL_INT(Hamming_ERROR_NONE, result);
data[10] |= (2 << 3);
result = hamming_verify256x(data, 256, ecc);
TEST_ASSERT_EQUAL_INT(Hamming_ERROR_SINGLEBIT, result);
data[10] |= (2 << 3);
data[20] |= (2 << 5);
result = hamming_verify256x(data, 256, ecc);
TEST_ASSERT_EQUAL_INT(Hamming_ERROR_MULTIPLEBITS, result);
memset(data, 0xAB, 256);
ecc[1] ^= 1; // Flip first bit, corrupting the ECC
result = hamming_verify256x(data, 256, ecc);
TEST_ASSERT_EQUAL_INT(Hamming_ERROR_ECC, result);
}
static void test_padding(void)
{
uint8_t data[203];
uint8_t ecc[3];
uint8_t result;
memset(data, 0xAB, 203);
hamming_compute256x(data, 203, ecc);
result = hamming_verify256x(data, 203, ecc);
TEST_ASSERT_EQUAL_INT(Hamming_ERROR_NONE, result);
data[10] |= (2 << 3);
result = hamming_verify256x(data, 203, ecc);
TEST_ASSERT_EQUAL_INT(Hamming_ERROR_SINGLEBIT, result);
data[10] |= (2 << 3);
data[20] |= (2 << 5);
result = hamming_verify256x(data, 203, ecc);
TEST_ASSERT_EQUAL_INT(Hamming_ERROR_MULTIPLEBITS, result);
memset(data, 0xAB, 203);
ecc[1] ^= 1; // Flip first bit, corrupting the ECC
result = hamming_verify256x(data, 203, ecc);
TEST_ASSERT_EQUAL_INT(Hamming_ERROR_ECC, result);
}
TestRef test_all(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_single),
new_TestFixture(test_padding),
};
EMB_UNIT_TESTCALLER(EccTest, 0, 0, fixtures);
return (TestRef) & EccTest;
}
void tests_ecc(void)
{
TESTS_RUN(test_all());
}
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