// Copyright 2017, 2018 Peter Dimov.
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt

#include <boost/hash2/siphash.hpp>
#include <boost/hash2/hash_append.hpp>
#include <boost/core/lightweight_test.hpp>
#include <cstdint>
#include <vector>
#include <list>

static const std::uint64_t vectors_sip64[64] =
{
    0x726fdb47dd0e0e31,
    0x74f839c593dc67fd,
    0x0d6c8009d9a94f5a,
    0x85676696d7fb7e2d,
    0xcf2794e0277187b7,
    0x18765564cd99a68d,
    0xcbc9466e58fee3ce,
    0xab0200f58b01d137,
    0x93f5f5799a932462,
    0x9e0082df0ba9e4b0,
    0x7a5dbbc594ddb9f3,
    0xf4b32f46226bada7,
    0x751e8fbc860ee5fb,
    0x14ea5627c0843d90,
    0xf723ca908e7af2ee,
    0xa129ca6149be45e5,
    0x3f2acc7f57c29bdb,
    0x699ae9f52cbe4794,
    0x4bc1b3f0968dd39c,
    0xbb6dc91da77961bd,
    0xbed65cf21aa2ee98,
    0xd0f2cbb02e3b67c7,
    0x93536795e3a33e88,
    0xa80c038ccd5ccec8,
    0xb8ad50c6f649af94,
    0xbce192de8a85b8ea,
    0x17d835b85bbb15f3,
    0x2f2e6163076bcfad,
    0xde4daaaca71dc9a5,
    0xa6a2506687956571,
    0xad87a3535c49ef28,
    0x32d892fad841c342,
    0x7127512f72f27cce,
    0xa7f32346f95978e3,
    0x12e0b01abb051238,
    0x15e034d40fa197ae,
    0x314dffbe0815a3b4,
    0x027990f029623981,
    0xcadcd4e59ef40c4d,
    0x9abfd8766a33735c,
    0x0e3ea96b5304a7d0,
    0xad0c42d6fc585992,
    0x187306c89bc215a9,
    0xd4a60abcf3792b95,
    0xf935451de4f21df2,
    0xa9538f0419755787,
    0xdb9acddff56ca510,
    0xd06c98cd5c0975eb,
    0xe612a3cb9ecba951,
    0xc766e62cfcadaf96,
    0xee64435a9752fe72,
    0xa192d576b245165a,
    0x0a8787bf8ecb74b2,
    0x81b3e73d20b49b6f,
    0x7fa8220ba3b2ecea,
    0x245731c13ca42499,
    0xb78dbfaf3a8d83bd,
    0xea1ad565322a1a0b,
    0x60e61c23a3795013,
    0x6606d7e446282b93,
    0x6ca4ecb15c5f91e1,
    0x9f626da15c9625f3,
    0xe51b38608ef25f57,
    0x958a324ceb064572,
};

int main()
{
    unsigned char k[ 16 ];

    for( int i = 0; i < 16; ++i )
    {
        k[ i ] = static_cast<unsigned char>( i );
    }

    {
        unsigned char in[ 64 ];

        for( int i = 0; i < 64; ++i )
        {
            in[ i ] = static_cast<unsigned char>( i );

            boost::hash2::siphash_64 h( k, 16 );

            h.update( in, i );

            BOOST_TEST_EQ( h.result(), vectors_sip64[ i ] );
        }
    }

    {
        unsigned char in[ 64 ];

        for( int i = 0; i < 64; ++i )
        {
            in[ i ] = static_cast<unsigned char>( i );

            boost::hash2::siphash_64 h( k, 16 );

            hash_append_range( h, {}, in, in + i );

            BOOST_TEST_EQ( h.result(), vectors_sip64[ i ] );
        }
    }

    {
        std::vector<unsigned char> in;

        for( int i = 0; i < 64; ++i )
        {
            boost::hash2::siphash_64 h( k, 16 );

            hash_append_range( h, {}, in.begin(), in.end() );

            BOOST_TEST_EQ( h.result(), vectors_sip64[ i ] );

            in.push_back( static_cast<unsigned char>( i ) );
        }
    }

    {
        std::list<unsigned char> in;

        for( int i = 0; i < 64; ++i )
        {
            boost::hash2::siphash_64 h( k, 16 );

            hash_append_range( h, {}, in.begin(), in.end() );

            BOOST_TEST_EQ( h.result(), vectors_sip64[ i ] );

            in.push_back( static_cast<unsigned char>( i ) );
        }
    }

    return boost::report_errors();
}