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68 lines
1.6 KiB
C++
68 lines
1.6 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/hash_append.hpp>
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#include <boost/hash2/fnv1a.hpp>
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#include <boost/describe/class.hpp>
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#include <boost/config.hpp>
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#include <boost/config/pragma_message.hpp>
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#if !defined(BOOST_DESCRIBE_CXX14)
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BOOST_PRAGMA_MESSAGE( "Test skipped, because BOOST_DESCRIBE_CXX14 is not defined" )
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int main() {}
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#elif defined(BOOST_MSVC) && BOOST_MSVC >= 1910 && BOOST_MSVC < 1930
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BOOST_PRAGMA_MESSAGE( "Test skipped, because BOOST_MSVC is 191x or 192x" )
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int main() {}
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#else
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#include <boost/core/lightweight_test.hpp>
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#include <utility>
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template<class T1, class T2> struct pair
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{
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T1 first;
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T2 second;
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BOOST_DESCRIBE_CLASS(pair, (), (first, second), (), ())
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};
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template<class Hash, class Flavor, class T1, class T2, class R> void test( pair<T1, T2> const& p1, std::pair<T1, T2> const& p2, R r )
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{
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Flavor f;
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{
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Hash h;
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hash_append( h, f, p1 );
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BOOST_TEST_EQ( h.result(), r );
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}
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{
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Hash h;
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hash_append( h, f, p2 );
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BOOST_TEST_EQ( h.result(), r );
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}
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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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test<fnv1a_32, default_flavor, int, float>( {}, {}, 2615243109 );
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test<fnv1a_32, little_endian_flavor, int, float>( {}, {}, 2615243109 );
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test<fnv1a_32, big_endian_flavor, int, float>( {}, {}, 2615243109 );
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test<fnv1a_32, little_endian_flavor, char, double>( { 'A', 3.14 }, { 'A', 3.14 }, 2789734447 );
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test<fnv1a_32, big_endian_flavor, char, double>( { 'A', 3.14 }, { 'A', 3.14 }, 1423350833 );
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return boost::report_errors();
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}
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#endif
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