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46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
// Copyright 2017, 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/hash_append.hpp>
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#include <boost/hash2/fnv1a.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/config.hpp>
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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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template<class Hash, class Flavor, class T>
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BOOST_CXX14_CONSTEXPR typename Hash::result_type test( T const& v )
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{
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Hash h;
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Flavor f{};
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hash_append( h, f, v );
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return h.result();
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}
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#define STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
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#if defined(BOOST_NO_CXX14_CONSTEXPR) || ( defined(BOOST_GCC) && BOOST_GCC < 60000 )
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# define TEST_EQ(x1, x2) BOOST_TEST_EQ(x1, x2)
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#else
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# define TEST_EQ(x1, x2) BOOST_TEST_EQ(x1, x2); STATIC_ASSERT(x1 == x2)
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#endif
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int main()
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{
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using namespace boost::hash2;
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TEST_EQ( (test<fnv1a_32, little_endian_flavor, int[4]>({ 1, 2, 3, 4 })), 1041505217 );
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TEST_EQ( (test<fnv1a_32, big_endian_flavor, int[4]>({ 1, 2, 3, 4 })), 3216558841 );
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return boost::report_errors();
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}
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