text: /*
   * Copyright (c) 2016 UAVCAN Team
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   *
   * Contributors: https://github.com/UAVCAN/libcanard/contributors
   */
  
  #include <catch.hpp>
  #include "canard_internals.h"
  
  /*
   * CRC-16-CCITT
   * Initial value: 0xFFFF
   * Poly: 0x1021
   * Reverse: no
   * Output xor: 0
   *
   * import crcmod
   * crc = crcmod.predefined.Crc('crc-ccitt-false')
   * crc.update('123456789')
   * crc.hexdigest()
   * '29B1'
   */
  
  TEST_CASE("CRC, Correctness")
  {
      uint16_t crc = 0xFFFFU;
  
      crc = crcAdd(crc, reinterpret_cast<const uint8_t*>("1"), 1);
      crc = crcAdd(crc, reinterpret_cast<const uint8_t*>("2"), 1);
      crc = crcAdd(crc, reinterpret_cast<const uint8_t*>("3"), 1);
  
      REQUIRE(0x5BCE == crc);                                     // Using Libuavcan as reference
  
      crc = crcAdd(crc, reinterpret_cast<const uint8_t*>("456789"), 6);
  
      REQUIRE(0x29B1 == crc);
  }
  