/******************************************************************************
The MIT License(MIT)

Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com

Copyright(c) 2026 John Wellbelove

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of this software and associated documentation files(the "Software"), to deal
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******************************************************************************/

#include "etl/manchester.h"

#include "unit_test_framework.h"
#include <etl/algorithm.h>
#include <etl/array.h>
#include <etl/span.h>
#include <utility>

SUITE(test_manchester)
{
  TEST(encode_uint8_t)
  {
    CHECK_EQUAL(0xAAAA, (etl::manchester::encode<uint8_t>(0x00U)));
    CHECK_EQUAL(0x5555, (etl::manchester::encode<uint8_t>(0xFFU)));
    CHECK_EQUAL(0xAAA9, (etl::manchester::encode<uint8_t>(0x01U)));
    CHECK_EQUAL(0x6AAA, (etl::manchester::encode<uint8_t>(0x80U)));

#if ETL_USING_CPP14
    static_assert(0xAAAA == etl::manchester::encode<uint8_t>(0x00U), "Compile time manchester encoding failed");
#endif
  }

  TEST(encode_uint8_t_inverted)
  {
    CHECK_EQUAL(0x5555, (etl::manchester_inverted::encode<uint8_t>(0x00U)));
    CHECK_EQUAL(0xAAAA, (etl::manchester_inverted::encode<uint8_t>(0xFFU)));
    CHECK_EQUAL(0x5556, (etl::manchester_inverted::encode<uint8_t>(0x01U)));
    CHECK_EQUAL(0x9555, (etl::manchester_inverted::encode<uint8_t>(0x80U)));

#if ETL_USING_CPP14
    static_assert(0x5555 == etl::manchester_inverted::encode<uint8_t>(0x00U), "Compile time manchester encoding failed");
#endif
  }

  TEST(encode_uint16_t)
  {
    CHECK_EQUAL(0x5555AAAA, (etl::manchester::encode<uint16_t>(0xFF00UL)));
    CHECK_EQUAL(0x6AAAAAA9, (etl::manchester::encode<uint16_t>(0x8001UL)));

#if ETL_USING_CPP14
    static_assert(0x5555AAAA == etl::manchester::encode<uint16_t>(0xFF00UL), "Compile time manchester encoding failed");
#endif
  }

  TEST(encode_uint16_t_inverted)
  {
    CHECK_EQUAL(0xAAAA5555, (etl::manchester_inverted::encode<uint16_t>(0xFF00UL)));
    CHECK_EQUAL(0x95555556, (etl::manchester_inverted::encode<uint16_t>(0x8001UL)));

#if ETL_USING_CPP14
    static_assert(0xAAAA5555 == etl::manchester_inverted::encode<uint16_t>(0xFF00UL), "Compile time manchester encoding failed");
#endif
  }

  TEST(encode_uint32_t)
  {
    CHECK_EQUAL(0x6AAAAAA95555AAAA, (etl::manchester::encode<uint32_t>(0x8001FF00ULL)));

#if ETL_USING_CPP14
    static_assert(0x6AAAAAA95555AAAA == etl::manchester::encode<uint32_t>(0x8001FF00ULL), "Compile time manchester encoding failed");
#endif
  }

  TEST(encode_uint32_t_inverted)
  {
    CHECK_EQUAL(0x95555556AAAA5555, (etl::manchester_inverted::encode<uint32_t>(0x8001FF00ULL)));

#if ETL_USING_CPP14
    static_assert(0x95555556AAAA5555 == etl::manchester_inverted::encode<uint32_t>(0x8001FF00ULL), "Compile time manchester encoding failed");
#endif
  }

#if ETL_USING_CPP14
  constexpr etl::array<uint8_t, 8> manchester_encoded_uint8(etl::span<const uint_least8_t> decoded)
  {
    etl::array<uint8_t, 8> encoded{0, 0, 0, 0, 0, 0, 0, 0};
    etl::manchester::encode(decoded, encoded);
    return encoded;
  }

  constexpr etl::array<uint8_t, 8> manchester_encoded_uint16(etl::span<const uint_least8_t> decoded)
  {
    etl::array<uint8_t, 8> encoded{0, 0, 0, 0, 0, 0, 0, 0};
    etl::manchester::encode<uint16_t>(decoded, encoded);
    return encoded;
  }

  constexpr etl::array<uint8_t, 8> manchester_encoded_uint32(etl::span<const uint_least8_t> decoded)
  {
    etl::array<uint8_t, 8> encoded{0, 0, 0, 0, 0, 0, 0, 0};
    etl::manchester::encode<uint32_t>(decoded, encoded);
    return encoded;
  }
#endif

  TEST(encode_span)
  {
    constexpr etl::array<const uint8_t, 4> decoded{0x00, 0xFF, 0x01, 0x80};

    etl::array<uint8_t, 8> encoded0;
    etl::array<uint8_t, 8> encoded1;
    etl::array<uint8_t, 8> encoded2;
    etl::array<uint8_t, 8> encoded3;

    etl::manchester::encode(decoded, encoded0);
    etl::manchester::encode<uint8_t>(decoded, encoded1);
    etl::manchester::encode<uint16_t>(decoded, encoded2);
    etl::manchester::encode<uint32_t>(decoded, encoded3);

    CHECK_EQUAL(0xAA, encoded0[0]);
    CHECK_EQUAL(0xAA, encoded0[1]);
    CHECK_EQUAL(0x55, encoded0[2]);
    CHECK_EQUAL(0x55, encoded0[3]);
    CHECK_EQUAL(0xA9, encoded0[4]);
    CHECK_EQUAL(0xAA, encoded0[5]);
    CHECK_EQUAL(0xAA, encoded0[6]);
    CHECK_EQUAL(0x6A, encoded0[7]);

    CHECK_TRUE(encoded0 == encoded1);
    CHECK_TRUE(encoded0 == encoded2);
    CHECK_TRUE(encoded0 == encoded3);
  }

#if ETL_USING_CPP14
  TEST(encode_span_constexpr)
  {
    constexpr etl::array<const uint8_t, 4> decoded{0x00, 0xFF, 0x01, 0x80};

    static_assert(manchester_encoded_uint8(decoded)[0] == 0xAA, "Compile time encoding with uint8_t failed");
    static_assert(manchester_encoded_uint8(decoded)[1] == 0xAA, "Compile time encoding with uint8_t failed");
    static_assert(manchester_encoded_uint8(decoded)[2] == 0x55, "Compile time encoding with uint8_t failed");
    static_assert(manchester_encoded_uint8(decoded)[3] == 0x55, "Compile time encoding with uint8_t failed");
    static_assert(manchester_encoded_uint8(decoded)[4] == 0xA9, "Compile time encoding with uint8_t failed");
    static_assert(manchester_encoded_uint8(decoded)[5] == 0xAA, "Compile time encoding with uint8_t failed");
    static_assert(manchester_encoded_uint8(decoded)[6] == 0xAA, "Compile time encoding with uint8_t failed");
    static_assert(manchester_encoded_uint8(decoded)[7] == 0x6A, "Compile time encoding with uint8_t failed");

    static_assert(manchester_encoded_uint16(decoded)[0] == 0xAA, "Compile time encoding with uint16_t failed");
    static_assert(manchester_encoded_uint16(decoded)[1] == 0xAA, "Compile time encoding with uint16_t failed");
    static_assert(manchester_encoded_uint16(decoded)[2] == 0x55, "Compile time encoding with uint16_t failed");
    static_assert(manchester_encoded_uint16(decoded)[3] == 0x55, "Compile time encoding with uint16_t failed");
    static_assert(manchester_encoded_uint16(decoded)[4] == 0xA9, "Compile time encoding with uint16_t failed");
    static_assert(manchester_encoded_uint16(decoded)[5] == 0xAA, "Compile time encoding with uint16_t failed");
    static_assert(manchester_encoded_uint16(decoded)[6] == 0xAA, "Compile time encoding with uint16_t failed");
    static_assert(manchester_encoded_uint16(decoded)[7] == 0x6A, "Compile time encoding with uint16_t failed");

    static_assert(manchester_encoded_uint32(decoded)[0] == 0xAA, "Compile time encoding with uint32_t failed");
    static_assert(manchester_encoded_uint32(decoded)[1] == 0xAA, "Compile time encoding with uint32_t failed");
    static_assert(manchester_encoded_uint32(decoded)[2] == 0x55, "Compile time encoding with uint32_t failed");
    static_assert(manchester_encoded_uint32(decoded)[3] == 0x55, "Compile time encoding with uint32_t failed");
    static_assert(manchester_encoded_uint32(decoded)[4] == 0xA9, "Compile time encoding with uint32_t failed");
    static_assert(manchester_encoded_uint32(decoded)[5] == 0xAA, "Compile time encoding with uint32_t failed");
    static_assert(manchester_encoded_uint32(decoded)[6] == 0xAA, "Compile time encoding with uint32_t failed");
    static_assert(manchester_encoded_uint32(decoded)[7] == 0x6A, "Compile time encoding with uint32_t failed");
  }
#endif

  TEST(encode_span_inverted)
  {
    etl::array<const uint8_t, 4> decoded{0x00, 0xFF, 0x01, 0x80};

    etl::array<uint8_t, 8> encoded0;
    etl::array<uint8_t, 8> encoded1;
    etl::array<uint8_t, 8> encoded2;
    etl::array<uint8_t, 8> encoded3;

    etl::manchester_inverted::encode(decoded, encoded0);
    etl::manchester_inverted::encode<uint8_t>(decoded, encoded1);
    etl::manchester_inverted::encode<uint16_t>(decoded, encoded2);
    etl::manchester_inverted::encode<uint32_t>(decoded, encoded3);

    CHECK_EQUAL(0x55, encoded0[0]);
    CHECK_EQUAL(0x55, encoded0[1]);
    CHECK_EQUAL(0xAA, encoded0[2]);
    CHECK_EQUAL(0xAA, encoded0[3]);
    CHECK_EQUAL(0x56, encoded0[4]);
    CHECK_EQUAL(0x55, encoded0[5]);
    CHECK_EQUAL(0x55, encoded0[6]);
    CHECK_EQUAL(0x95, encoded0[7]);

    CHECK_TRUE(encoded0 == encoded1);
    CHECK_TRUE(encoded0 == encoded2);
    CHECK_TRUE(encoded0 == encoded3);
  }

  TEST(encode_span_invalid_source)
  {
    etl::array<const uint8_t, 3> invalid_source{0x00, 0xFF, 0x01};
    etl::array<uint8_t, 8>       valid_destination;

    CHECK_THROW({ etl::manchester::encode<uint16_t>(invalid_source, valid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester::encode<uint32_t>(invalid_source, valid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester_inverted::encode<uint16_t>(invalid_source, valid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester_inverted::encode<uint32_t>(invalid_source, valid_destination); }, etl::manchester_invalid_size);
  }

  TEST(encode_span_invalid_destination)
  {
    etl::array<const uint8_t, 4> valid_source{0x00, 0xFF, 0x01, 0x80};
    etl::array<uint8_t, 7>       invalid_destination;

    CHECK_THROW({ etl::manchester::encode<uint8_t>(valid_source, invalid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester::encode<uint16_t>(valid_source, invalid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester::encode<uint32_t>(valid_source, invalid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester_inverted::encode<uint8_t>(valid_source, invalid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester_inverted::encode<uint16_t>(valid_source, invalid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester_inverted::encode<uint32_t>(valid_source, invalid_destination); }, etl::manchester_invalid_size);
  }

  TEST(decode_uint16_t)
  {
    CHECK_EQUAL(0x00, (etl::manchester::decode<uint16_t>(0xAAAAUL)));
    CHECK_EQUAL(0xFF, (etl::manchester::decode<uint16_t>(0x5555UL)));
    CHECK_EQUAL(0x01, (etl::manchester::decode<uint16_t>(0xAAA9UL)));
    CHECK_EQUAL(0x80, (etl::manchester::decode<uint16_t>(0x6AAAUL)));

#if ETL_USING_CPP14
    static_assert(0x00 == etl::manchester::decode<uint16_t>(0xAAAAUL), "Compile time manchester decoding failed");
#endif
  }

  TEST(decode_uint16_t_inverted)
  {
    CHECK_EQUAL(0x00, (etl::manchester_inverted::decode<uint16_t>(0x5555UL)));
    CHECK_EQUAL(0xFF, (etl::manchester_inverted::decode<uint16_t>(0xAAAAUL)));
    CHECK_EQUAL(0x01, (etl::manchester_inverted::decode<uint16_t>(0x5556UL)));
    CHECK_EQUAL(0x80, (etl::manchester_inverted::decode<uint16_t>(0x9555UL)));

#if ETL_USING_CPP14
    static_assert(0x00 == etl::manchester_inverted::decode<uint16_t>(0x5555UL), "Compile time manchester decoding failed");
#endif
  }

  TEST(decode_uint32_t)
  {
    CHECK_EQUAL(0xFF00UL, (etl::manchester::decode<uint32_t>(0x5555AAAAUL)));
    CHECK_EQUAL(0x8001UL, (etl::manchester::decode<uint32_t>(0x6AAAAAA9UL)));

#if ETL_USING_CPP14
    static_assert(0xFF00UL == etl::manchester::decode<uint32_t>(0x5555AAAAUL), "Compile time manchester decoding failed");
#endif
  }

  TEST(decode_uint32_t_inverted)
  {
    CHECK_EQUAL(0xFF00UL, (etl::manchester_inverted::decode<uint32_t>(0xAAAA5555UL)));
    CHECK_EQUAL(0x8001UL, (etl::manchester_inverted::decode<uint32_t>(0x95555556UL)));

#if ETL_USING_CPP14
    static_assert(0xFF00UL == etl::manchester_inverted::decode<uint32_t>(0xAAAA5555UL), "Compile time manchester decoding failed");
#endif
  }

  TEST(decode_uint64_t)
  {
    CHECK_EQUAL(0x8001FF00ULL, (etl::manchester::decode<uint64_t>(0x6AAAAAA95555AAAAULL)));

#if ETL_USING_CPP14
    static_assert(0x8001FF00ULL == etl::manchester::decode<uint64_t>(0x6AAAAAA95555AAAAULL), "Compile time manchester decoding failed");
#endif
  }

  TEST(decode_uint64_t_inverted)
  {
    CHECK_EQUAL(0x8001FF00ULL, (etl::manchester_inverted::decode<uint64_t>(0x95555556AAAA5555ULL)));

#if ETL_USING_CPP14
    static_assert(0x8001FF00ULL == etl::manchester_inverted::decode<uint64_t>(0x95555556AAAA5555ULL), "Compile time manchester decoding failed");
#endif
  }

#if ETL_USING_CPP14
  constexpr etl::array<uint8_t, 4> manchester_decoded_uint16(etl::span<const uint_least8_t> encoded)
  {
    etl::array<uint8_t, 4> decoded{0, 0, 0, 0};
    etl::manchester::decode(encoded, decoded);
    return decoded;
  }

  constexpr etl::array<uint8_t, 4> manchester_decoded_uint32(etl::span<const uint_least8_t> encoded)
  {
    etl::array<uint8_t, 4> decoded{0, 0, 0, 0};
    etl::manchester::decode<uint32_t>(encoded, decoded);
    return decoded;
  }

  constexpr etl::array<uint8_t, 4> manchester_decoded_uint64(etl::span<const uint_least8_t> encoded)
  {
    etl::array<uint8_t, 4> decoded{0, 0, 0, 0};
    etl::manchester::decode<uint64_t>(encoded, decoded);
    return decoded;
  }
#endif

  TEST(decode_span)
  {
    constexpr etl::array<const uint8_t, 8> encoded{0xAA, 0xAA, 0x55, 0x55, 0xA9, 0xAA, 0xAA, 0x6A};

    etl::array<uint8_t, 4> decoded0;
    etl::array<uint8_t, 4> decoded1;
    etl::array<uint8_t, 4> decoded2;
    etl::array<uint8_t, 4> decoded3;

    etl::manchester::decode(encoded, decoded0);
    etl::manchester::decode<uint16_t>(encoded, decoded1);
    etl::manchester::decode<uint32_t>(encoded, decoded2);
    etl::manchester::decode<uint64_t>(encoded, decoded3);

    CHECK_EQUAL(0x00, decoded0[0]);
    CHECK_EQUAL(0xFF, decoded0[1]);
    CHECK_EQUAL(0x01, decoded0[2]);
    CHECK_EQUAL(0x80, decoded0[3]);

    CHECK_TRUE(decoded0 == decoded1);
    CHECK_TRUE(decoded0 == decoded2);
    CHECK_TRUE(decoded0 == decoded3);
  }

#if ETL_USING_CPP14
  TEST(decode_span_constexpr)
  {
    constexpr etl::array<const uint8_t, 8> encoded{0xAA, 0xAA, 0x55, 0x55, 0xA9, 0xAA, 0xAA, 0x6A};

    static_assert(manchester_decoded_uint16(encoded)[0] == 0x00, "Compile time decoding with uint16_t failed");
    static_assert(manchester_decoded_uint16(encoded)[1] == 0xFF, "Compile time decoding with uint16_t failed");
    static_assert(manchester_decoded_uint16(encoded)[2] == 0x01, "Compile time decoding with uint16_t failed");
    static_assert(manchester_decoded_uint16(encoded)[3] == 0x80, "Compile time decoding with uint16_t failed");

    static_assert(manchester_decoded_uint32(encoded)[0] == 0x00, "Compile time decoding with uint32_t failed");
    static_assert(manchester_decoded_uint32(encoded)[1] == 0xFF, "Compile time decoding with uint32_t failed");
    static_assert(manchester_decoded_uint32(encoded)[2] == 0x01, "Compile time decoding with uint32_t failed");
    static_assert(manchester_decoded_uint32(encoded)[3] == 0x80, "Compile time decoding with uint32_t failed");

    static_assert(manchester_decoded_uint64(encoded)[0] == 0x00, "Compile time decoding with uint64_t failed");
    static_assert(manchester_decoded_uint64(encoded)[1] == 0xFF, "Compile time decoding with uint64_t failed");
    static_assert(manchester_decoded_uint64(encoded)[2] == 0x01, "Compile time decoding with uint64_t failed");
    static_assert(manchester_decoded_uint64(encoded)[3] == 0x80, "Compile time decoding with uint64_t failed");
  }
#endif

  TEST(decode_span_inverted)
  {
    etl::array<const uint8_t, 8> encoded{0x55, 0x55, 0xAA, 0xAA, 0x56, 0x55, 0x55, 0x95};

    etl::array<uint8_t, 4> decoded0;
    etl::array<uint8_t, 4> decoded1;
    etl::array<uint8_t, 4> decoded2;
    etl::array<uint8_t, 4> decoded3;

    etl::manchester_inverted::decode(encoded, decoded0);
    etl::manchester_inverted::decode<uint16_t>(encoded, decoded1);
    etl::manchester_inverted::decode<uint32_t>(encoded, decoded2);
    etl::manchester_inverted::decode<uint64_t>(encoded, decoded3);

    CHECK_EQUAL(0x00, decoded0[0]);
    CHECK_EQUAL(0xFF, decoded0[1]);
    CHECK_EQUAL(0x01, decoded0[2]);
    CHECK_EQUAL(0x80, decoded0[3]);

    CHECK_TRUE(decoded0 == decoded1);
    CHECK_TRUE(decoded0 == decoded2);
    CHECK_TRUE(decoded0 == decoded3);
  }

  TEST(decode_span_invalid_source)
  {
    etl::array<const uint8_t, 7> invalid_source{0x55, 0x55, 0xAA, 0xAA, 0x56, 0x55, 0x55};
    etl::array<uint8_t, 4>       valid_destination;

    CHECK_THROW({ etl::manchester::decode<uint16_t>(invalid_source, valid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester::decode<uint32_t>(invalid_source, valid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester::decode<uint64_t>(invalid_source, valid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester_inverted::decode<uint16_t>(invalid_source, valid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester_inverted::decode<uint32_t>(invalid_source, valid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester_inverted::decode<uint64_t>(invalid_source, valid_destination); }, etl::manchester_invalid_size);
  }

  TEST(decode_span_invalid_destination)
  {
    etl::array<const uint8_t, 8> valid_source{0x55, 0x55, 0xAA, 0xAA, 0x56, 0x55, 0x55, 0x95};
    etl::array<uint8_t, 3>       invalid_destination;

    CHECK_THROW({ etl::manchester::decode<uint16_t>(valid_source, invalid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester::decode<uint32_t>(valid_source, invalid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester::decode<uint64_t>(valid_source, invalid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester_inverted::decode<uint16_t>(valid_source, invalid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester_inverted::decode<uint32_t>(valid_source, invalid_destination); }, etl::manchester_invalid_size);
    CHECK_THROW({ etl::manchester_inverted::decode<uint64_t>(valid_source, invalid_destination); }, etl::manchester_invalid_size);
  }

  TEST(valid16)
  {
    CHECK_TRUE(etl::manchester::is_valid<uint16_t>(0xAAAAUL));
    CHECK_TRUE(etl::manchester_inverted::is_valid<uint16_t>(0xAAAAUL));
    CHECK_FALSE(etl::manchester::is_valid<uint16_t>(0xAAA8UL));
    CHECK_FALSE(etl::manchester_inverted::is_valid<uint16_t>(0xAAA8UL));

#if ETL_USING_CPP14
    static_assert(etl::manchester::is_valid<uint16_t>(0xAAAAUL), "Compile time manchester validity check failed");
    static_assert(etl::manchester_inverted::is_valid<uint16_t>(0xAAAAUL), "Compile time manchester validity check failed");
#endif
  }

  TEST(valid32)
  {
    CHECK_TRUE(etl::manchester::is_valid<uint32_t>(0xAAAAAAAAUL));
    CHECK_TRUE(etl::manchester_inverted::is_valid<uint32_t>(0xAAAAAAAAUL));
    CHECK_FALSE(etl::manchester::is_valid<uint32_t>(0xAAAAAAA8UL));
    CHECK_FALSE(etl::manchester_inverted::is_valid<uint32_t>(0xAAAAAAA8UL));

#if ETL_USING_CPP14
    static_assert(etl::manchester::is_valid<uint32_t>(0xAAAAAAAAUL), "Compile time manchester validity check failed");
    static_assert(etl::manchester_inverted::is_valid<uint32_t>(0xAAAAAAAAUL), "Compile time manchester validity check failed");
#endif
  }

  TEST(valid64)
  {
    CHECK_TRUE(etl::manchester::is_valid<uint64_t>(0xAAAAAAAAAAAAAAAAULL));
    CHECK_TRUE(etl::manchester_inverted::is_valid<uint64_t>(0xAAAAAAAAAAAAAAAAULL));
    CHECK_FALSE(etl::manchester::is_valid<uint64_t>(0xAAAAAAAAAAAAAAA8ULL));
    CHECK_FALSE(etl::manchester_inverted::is_valid<uint64_t>(0xAAAAAAAAAAAAAAA8ULL));

#if ETL_USING_CPP14
    static_assert(etl::manchester::is_valid<uint64_t>(0xAAAAAAAAAAAAAAAAULL), "Compile time manchester validity check failed");
    static_assert(etl::manchester_inverted::is_valid<uint64_t>(0xAAAAAAAAAAAAAAAAULL), "Compile time manchester validity check failed");
#endif
  }

  TEST(valid_span)
  {
    constexpr etl::array<uint8_t, 8> encoded1{0xAA, 0xAA, 0x55, 0x55, 0xA9, 0xAA, 0xAA, 0x6A};
    constexpr etl::array<uint8_t, 8> encoded2{0xAA, 0xAA, 0x55, 0x55, 0xA9, 0xAA, 0xAB, 0x6A};

    CHECK_TRUE(etl::manchester::is_valid(encoded1));
    CHECK_FALSE(etl::manchester::is_valid(encoded2));

#if ETL_USING_CPP14
    static_assert(etl::manchester::is_valid(encoded1), "Compile time manchester validity check failed");
    static_assert(!etl::manchester::is_valid(encoded2), "Compile time manchester validity check failed");
#endif
  }

  TEST(valid_span_on_invalid_source)
  {
    constexpr etl::array<uint8_t, 7> invalid_source{0xAA, 0xAA, 0x55, 0x55, 0xA9, 0xAA, 0xAA};
    CHECK_THROW({ std::ignore = etl::manchester::is_valid(invalid_source); }, etl::manchester_invalid_size);
  }
}