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54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
// Copyright 2024 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/hash2/siphash.hpp>
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#include <boost/hash2/detail/config.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/config.hpp>
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#include <cstring>
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#if defined(BOOST_MSVC) && BOOST_MSVC < 1920
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# pragma warning(disable: 4307) // integral constant overflow
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#endif
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#define STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
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template<class H, std::size_t N> BOOST_CXX14_CONSTEXPR typename H::result_type test( unsigned char const (&seed)[ 16 ], unsigned char const (&v)[ N ] )
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{
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H h( seed, 16 );
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h.update( v, N / 3 );
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h.update( v, N - N / 3 );
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return h.result();
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}
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int main()
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{
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using namespace boost::hash2;
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constexpr unsigned char seed[ 16 ] = {};
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constexpr unsigned char v21[ 21 ] = {};
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constexpr unsigned char v45[ 45 ] = {};
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BOOST_TEST_EQ( test<siphash_32>( seed, v21 ), 3273912247 );
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BOOST_TEST_EQ( test<siphash_32>( seed, v45 ), 3389005632 );
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BOOST_TEST_EQ( test<siphash_64>( seed, v21 ), 17634937937087799533ull );
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BOOST_TEST_EQ( test<siphash_64>( seed, v45 ), 7083435387605517692 );
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#if !defined(BOOST_NO_CXX14_CONSTEXPR)
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STATIC_ASSERT( test<siphash_32>( seed, v21 ) == 3273912247 );
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STATIC_ASSERT( test<siphash_32>( seed, v45 ) == 3389005632 );
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STATIC_ASSERT( test<siphash_64>( seed, v21 ) == 17634937937087799533ull );
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STATIC_ASSERT( test<siphash_64>( seed, v45 ) == 7083435387605517692 );
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#endif
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return boost::report_errors();
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}
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