237 lines
8.1 KiB
C++
237 lines
8.1 KiB
C++
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/******************************************************************************
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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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https://www.etlcpp.com
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Copyright(c) 2021 John Wellbelove
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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 "unit_test_framework.h"
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#include "etl/byte.h"
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namespace
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{
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SUITE(test_byte)
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{
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//*************************************************************************
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TEST(test_byte_equality)
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{
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etl::byte b1 = etl::byte(0x5A);
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etl::byte b2 = etl::byte(0x5A);
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etl::byte b3 = etl::byte(0xA5);
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CHECK(b1 == b2);
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CHECK(b1 != b3);
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}
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//*************************************************************************
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TEST(test_byte_to_integer)
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{
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etl::byte b = etl::byte(0x5A);
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CHECK_EQUAL(0x5A, etl::to_integer<char>(b));
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CHECK_EQUAL(0x005AU, etl::to_integer<uint16_t>(b));
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CHECK_EQUAL(0x0000005A, etl::to_integer<int32_t>(b));
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}
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//*************************************************************************
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TEST(test_byte_shift_left)
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{
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unsigned char B = 0xB7;
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etl::byte b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B << 0U), etl::to_integer<unsigned char>(b << 0U));
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CHECK_EQUAL((unsigned char)(B << 1U), etl::to_integer<unsigned char>(b << 1U));
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CHECK_EQUAL((unsigned char)(B << 2U), etl::to_integer<unsigned char>(b << 2U));
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CHECK_EQUAL((unsigned char)(B << 3U), etl::to_integer<unsigned char>(b << 3U));
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CHECK_EQUAL((unsigned char)(B << 4U), etl::to_integer<unsigned char>(b << 4U));
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CHECK_EQUAL((unsigned char)(B << 5U), etl::to_integer<unsigned char>(b << 5U));
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CHECK_EQUAL((unsigned char)(B << 6U), etl::to_integer<unsigned char>(b << 6U));
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CHECK_EQUAL((unsigned char)(B << 7U), etl::to_integer<unsigned char>(b << 7U));
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CHECK_EQUAL((unsigned char)(B << 8U), etl::to_integer<unsigned char>(b << 8U));
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}
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//*************************************************************************
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TEST(test_byte_shift_left_equals)
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{
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unsigned char B = 0xB7;
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etl::byte b;
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B << 0U), etl::to_integer<unsigned char>(b <<= 0U));
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B << 1U), etl::to_integer<unsigned char>(b <<= 1U));
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B << 2U), etl::to_integer<unsigned char>(b <<= 2U));
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B << 3U), etl::to_integer<unsigned char>(b <<= 3U));
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B << 4U), etl::to_integer<unsigned char>(b <<= 4U));
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B << 5U), etl::to_integer<unsigned char>(b <<= 5U));
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B << 6U), etl::to_integer<unsigned char>(b <<= 6U));
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B << 7U), etl::to_integer<unsigned char>(b <<= 7U));
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B << 8U), etl::to_integer<unsigned char>(b <<= 8U));
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}
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//*************************************************************************
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TEST(test_byte_shift_right)
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{
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unsigned char B = 0xB7;
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etl::byte b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B >> 0U), etl::to_integer<unsigned char>(b >> 0U));
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CHECK_EQUAL((unsigned char)(B >> 1U), etl::to_integer<unsigned char>(b >> 1U));
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CHECK_EQUAL((unsigned char)(B >> 2U), etl::to_integer<unsigned char>(b >> 2U));
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CHECK_EQUAL((unsigned char)(B >> 3U), etl::to_integer<unsigned char>(b >> 3U));
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CHECK_EQUAL((unsigned char)(B >> 4U), etl::to_integer<unsigned char>(b >> 4U));
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CHECK_EQUAL((unsigned char)(B >> 5U), etl::to_integer<unsigned char>(b >> 5U));
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CHECK_EQUAL((unsigned char)(B >> 6U), etl::to_integer<unsigned char>(b >> 6U));
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CHECK_EQUAL((unsigned char)(B >> 7U), etl::to_integer<unsigned char>(b >> 7U));
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}
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}
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//*************************************************************************
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TEST(test_byte_shift_right_equals)
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{
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unsigned char B = 0xB7;
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etl::byte b;
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B >> 0U), etl::to_integer<unsigned char>(b >>= 0U));
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B >> 1U), etl::to_integer<unsigned char>(b >>= 1U));
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B >> 2U), etl::to_integer<unsigned char>(b >>= 2U));
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B >> 3U), etl::to_integer<unsigned char>(b >>= 3U));
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B >> 4U), etl::to_integer<unsigned char>(b >>= 4U));
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B >> 5U), etl::to_integer<unsigned char>(b >>= 5U));
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B >> 6U), etl::to_integer<unsigned char>(b >>= 6U));
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B >> 7U), etl::to_integer<unsigned char>(b >>= 7U));
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}
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//*************************************************************************
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TEST(test_byte_and)
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{
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unsigned char B = 0xB7;
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etl::byte b = etl::byte(B);
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for (unsigned int i = 0; i < 256; ++i)
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{
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CHECK_EQUAL((unsigned char)(B & i), etl::to_integer<unsigned char>(b & etl::byte(i)));
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}
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}
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//*************************************************************************
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TEST(test_byte_and_equals)
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{
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unsigned char B = 0xB7;
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etl::byte b;
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for (unsigned int i = 0; i < 256; ++i)
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{
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B & i), etl::to_integer<unsigned char>(b &= etl::byte(i)));
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}
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}
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//*************************************************************************
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TEST(test_byte_or)
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{
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unsigned char B = 0xB7;
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etl::byte b = etl::byte(B);
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for (unsigned int i = 0; i < 256; ++i)
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{
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CHECK_EQUAL((unsigned char)(B | i), etl::to_integer<unsigned char>(b | etl::byte(i)));
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}
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}
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//*************************************************************************
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TEST(test_byte_or_equals)
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{
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unsigned char B = 0xB7;
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etl::byte b;
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for (unsigned int i = 0; i < 256; ++i)
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{
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B | i), etl::to_integer<unsigned char>(b |= etl::byte(i)));
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}
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}
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//*************************************************************************
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TEST(test_byte_xor)
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{
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unsigned char B = 0xB7;
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etl::byte b = etl::byte(B);
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for (unsigned int i = 0; i < 256; ++i)
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{
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CHECK_EQUAL((unsigned char)(B ^ i), etl::to_integer<unsigned char>(b ^ etl::byte(i)));
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}
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}
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//*************************************************************************
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TEST(test_byte_xor_equals)
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{
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unsigned char B = 0xB7;
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etl::byte b;
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for (unsigned int i = 0; i < 256; ++i)
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{
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b = etl::byte(B);
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CHECK_EQUAL((unsigned char)(B ^ i), etl::to_integer<unsigned char>(b ^= etl::byte(i)));
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}
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}
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//*************************************************************************
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TEST(test_byte_not)
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{
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for (unsigned int i = 0; i < 256; ++i)
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{
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CHECK_EQUAL((unsigned char)(~i), etl::to_integer<unsigned char>(~etl::byte(i)));
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}
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}
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}
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