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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/core/lightweight_test.hpp>
#include <boost/describe/class.hpp>
#include <boost/array.hpp>
#include <array>
template<class Hash, class Flavor, class T, class R> void test( T const* first, T const* last, R r )
{
Hash h;
Flavor f;
boost::hash2::hash_append_range( h, f, first, last );
BOOST_TEST_EQ( h.result(), r );
}
struct X
{
};
BOOST_DESCRIBE_STRUCT(X, (), ())
// A hash_append call must always result in a call to Hash::update
int main()
{
using namespace boost::hash2;
{
boost::array<int, 0> v[ 3 ];
test<fnv1a_32, default_flavor>( v + 0, v + 1, 84696351 );
test<fnv1a_32, default_flavor>( v + 0, v + 2, 292984781 );
test<fnv1a_32, default_flavor>( v + 0, v + 3, 1253111735 );
}
{
std::array<int, 0> v[ 3 ];
test<fnv1a_32, default_flavor>( v + 0, v + 1, 84696351 );
test<fnv1a_32, default_flavor>( v + 0, v + 2, 292984781 );
test<fnv1a_32, default_flavor>( v + 0, v + 3, 1253111735 );
}
#if defined(BOOST_DESCRIBE_CXX14)
{
X v[ 3 ];
test<fnv1a_32, default_flavor>( v + 0, v + 1, 84696351 );
test<fnv1a_32, default_flavor>( v + 0, v + 2, 292984781 );
test<fnv1a_32, default_flavor>( v + 0, v + 3, 1253111735 );
}
#endif
return boost::report_errors();
}
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