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243 lines
7.2 KiB
C++
243 lines
7.2 KiB
C++
/******************************************************************************
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The MIT License(MIT)
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Embedded Template Library.
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https://github.com/ETLCPP/etl
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Copyright(c) 2014 jwellbelove
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files(the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions :
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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******************************************************************************/
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#include <UnitTest++/UnitTest++.h>
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#include <iterator>
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#include <string>
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#include <vector>
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#include <stdint.h>
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#include "../checksum.h"
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#include "../endian.h"
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namespace
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{
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SUITE(test_checksum)
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{
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//*************************************************************************
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TEST(test_checksum_constructor)
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{
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std::string data("123456789");
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uint8_t sum = etl::checksum<uint8_t>(data.begin(), data.end());
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CHECK_EQUAL(221, int(sum));
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}
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//*************************************************************************
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TEST(test_checksum_add_values8_add)
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{
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std::string data("123456789");
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etl::checksum<uint8_t> checksum_calculator;
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for (size_t i = 0; i < data.size(); ++i)
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{
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checksum_calculator.add(data[i]);
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}
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uint8_t sum = checksum_calculator;
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CHECK_EQUAL(221, int(sum));
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}
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//*************************************************************************
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TEST(test_checksum_add_values8_operator_plus_equals)
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{
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std::string data("123456789");
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etl::checksum<uint8_t> checksum_calculator;
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for (size_t i = 0; i < data.size(); ++i)
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{
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checksum_calculator += data[i];
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}
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uint8_t sum = checksum_calculator;
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CHECK_EQUAL(221, int(sum));
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}
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//*************************************************************************
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TEST(test_checksum_add_values8_operator_stream)
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{
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std::string data("123456789");
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etl::checksum<uint8_t> checksum_calculator;
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for (size_t i = 0; i < data.size(); ++i)
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{
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checksum_calculator << data[i];
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}
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uint8_t sum = checksum_calculator;
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CHECK_EQUAL(221, int(sum));
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}
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//*************************************************************************
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TEST(test_checksum_add_values32_add)
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{
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std::vector<uint32_t> data = { 0x04030201, 0x08070605 };
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etl::checksum<uint32_t> checksum_calculator;
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for (size_t i = 0; i < data.size(); ++i)
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{
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checksum_calculator += data[i];
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}
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uint32_t sum = checksum_calculator;
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CHECK_EQUAL(36, int(sum));
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}
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//*************************************************************************
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TEST(test_checksum_add_values32_plus_equals)
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{
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std::vector<uint32_t> data = { 0x04030201, 0x08070605 };
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etl::checksum<uint32_t> checksum_calculator;
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for (size_t i = 0; i < data.size(); ++i)
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{
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checksum_calculator.add(data[i]);
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}
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uint32_t sum = checksum_calculator;
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CHECK_EQUAL(36, int(sum));
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}
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//*************************************************************************
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TEST(test_checksum_add_values32_operator_stream)
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{
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std::vector<uint32_t> data = { 0x04030201, 0x08070605 };
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etl::checksum<uint32_t> checksum_calculator;
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for (size_t i = 0; i < data.size(); ++i)
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{
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checksum_calculator << data[i];
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}
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uint32_t sum = checksum_calculator;
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CHECK_EQUAL(36, int(sum));
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}
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//*************************************************************************
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TEST(test_checksum_add_range)
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{
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std::string data("123456789");
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etl::checksum<uint8_t> checksum_calculator;
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checksum_calculator.add(data.begin(), data.end());
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uint8_t sum = checksum_calculator.value();
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CHECK_EQUAL(221, int(sum));
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}
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//*************************************************************************
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TEST(test_checksum_add_range_sum32)
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{
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std::string data("123456789");
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etl::checksum<uint32_t> checksum_calculator;
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checksum_calculator.add(data.begin(), data.end());
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uint32_t sum = checksum_calculator.value();
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CHECK_EQUAL(477, int(sum));
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}
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//*************************************************************************
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TEST(test_checksum_add_range_endian)
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{
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std::vector<uint8_t> data1 = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
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std::vector<uint32_t> data2 = { 0x04030201, 0x08070605 };
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std::vector<uint32_t> data3 = { 0x01020304, 0x05060708 };
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uint8_t sum1 = etl::checksum<uint8_t, etl::endian::little>(data1.begin(), data1.end());
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uint8_t sum2 = etl::checksum<uint8_t, etl::endian::little>(data2.begin(), data2.end());
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CHECK_EQUAL(int(sum1), int(sum2));
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uint8_t sum3 = etl::checksum<uint8_t, etl::endian::big>(data3.begin(), data3.end());
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CHECK_EQUAL(int(sum1), int(sum3));
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}
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//*************************************************************************
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TEST(test_checksum_add_double)
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{
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double d = 3.1415927;
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etl::checksum<uint8_t> checksum_calculator;
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checksum_calculator << d;
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uint8_t sum = checksum_calculator.value();
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CHECK_EQUAL(165, int(sum));
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}
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//*************************************************************************
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TEST(test_digest)
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{
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std::string data("123456789");
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etl::checksum<uint8_t> checksum_calculator8(data.begin(), data.end());
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etl::checksum<uint16_t> checksum_calculator16(data.begin(), data.end());
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etl::checksum<uint32_t> checksum_calculator32(data.begin(), data.end());
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etl::checksum<uint64_t> checksum_calculator64(data.begin(), data.end());
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etl::ihash::generic_digest digest;
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digest = checksum_calculator8.digest();
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CHECK_EQUAL(221, *digest.first);
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CHECK_EQUAL(sizeof(uint8_t), std::distance(digest.first, digest.second));
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digest = checksum_calculator16.digest();
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CHECK_EQUAL(477, *reinterpret_cast<const uint16_t*>(digest.first));
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CHECK_EQUAL(sizeof(uint16_t), std::distance(digest.first, digest.second));
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digest = checksum_calculator32.digest();
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CHECK_EQUAL(477, *reinterpret_cast<const uint32_t*>(digest.first));
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CHECK_EQUAL(sizeof(uint32_t), std::distance(digest.first, digest.second));
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digest = checksum_calculator64.digest();
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CHECK_EQUAL(477, *reinterpret_cast<const uint64_t*>(digest.first));
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CHECK_EQUAL(sizeof(uint64_t), std::distance(digest.first, digest.second));
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}
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};
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}
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