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// Copyright 2017, 2018 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 <map>
#include <unordered_map>
template<class Hash, class Flavor, class Map, class R> void test( R r )
{
{
Map m;
for( int i = 0; i < 64; ++i )
{
m.insert( typename Map::value_type( i, 3 * i + 1 ) );
}
Hash h;
Flavor f;
hash_append( h, f, m );
BOOST_TEST_EQ( h.result(), r );
}
{
Map m;
for( int i = 0; i < 64; ++i )
{
int j = 63 - i;
m.insert( typename Map::value_type( j, 3 * j + 1 ) );
}
Hash h;
Flavor f;
hash_append( h, f, m );
BOOST_TEST_EQ( h.result(), r );
}
{
Map m;
for( int i = 0; i < 64; ++i )
{
int j = ( i * 17 ) % 64;
m.insert( typename Map::value_type( j, 3 * j + 1 ) );
}
Hash h;
Flavor f;
hash_append( h, f, m );
BOOST_TEST_EQ( h.result(), r );
}
}
int main()
{
using namespace boost::hash2;
test< fnv1a_32, little_endian_flavor, std::map<int, int> >( 3152726101ul );
test< fnv1a_64, little_endian_flavor, std::map<int, int> >( 11386405661620022965ull );
test< fnv1a_32, little_endian_flavor, std::multimap<int, int> >( 3152726101ul );
test< fnv1a_64, little_endian_flavor, std::multimap<int, int> >( 11386405661620022965ull );
test< fnv1a_32, little_endian_flavor, std::unordered_map<int, int> >( 3137657678ul );
test< fnv1a_64, little_endian_flavor, std::unordered_map<int, int> >( 7026041901235387186ull );
test< fnv1a_32, little_endian_flavor, std::unordered_multimap<int, int> >( 3137657678ul );
test< fnv1a_64, little_endian_flavor, std::unordered_multimap<int, int> >( 7026041901235387186ull );
return boost::report_errors();
}
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