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// Copyright 2024 Peter Dimov.
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/hash2/hash_append.hpp>
#include <boost/hash2/fnv1a.hpp>
#include <boost/describe/class.hpp>
#include <boost/config/pragma_message.hpp>
#if !defined(BOOST_DESCRIBE_CXX14)
BOOST_PRAGMA_MESSAGE( "Test skipped, because BOOST_DESCRIBE_CXX14 is not defined" )
int main() {}
#else
#include <boost/core/lightweight_test.hpp>
struct X
{
};
BOOST_DESCRIBE_STRUCT(X, (), ())
template<class Hash, class Flavor> void test()
{
typename Hash::result_type r1, r2, r3;
Flavor f;
{
X x[ 1 ] = {};
Hash h;
hash_append( h, f, x );
r1 = h.result();
}
{
X x[ 2 ] = {};
Hash h;
hash_append( h, f, x );
r2 = h.result();
}
BOOST_TEST_NE( r2, r1 );
{
X x[ 3 ] = {};
Hash h;
hash_append( h, f, x );
r3 = h.result();
}
BOOST_TEST_NE( r3, r1 );
BOOST_TEST_NE( r3, r2 );
}
int main()
{
using namespace boost::hash2;
test<fnv1a_32, default_flavor>();
test<fnv1a_32, little_endian_flavor>();
test<fnv1a_32, big_endian_flavor>();
return boost::report_errors();
}
#endif
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