// Copyright 2021, 2022 Peter Dimov.

// Distributed under the Boost Software License, Version 1.0.

// https://www.boost.org/LICENSE_1_0.txt

#if defined(__GNUC__) && __GNUC__ == 8

# pragma GCC diagnostic ignored "-Wsign-conversion"

#endif

#include <boost/container_hash/hash.hpp>

#include <boost/core/lightweight_test.hpp>

#include <vector>

#include <functional> // to catch msvc-14.1 conflicts

template<class T> void test()

{

typedef std::vector<T> list;

typedef boost::hash<list> hash;

int const N = 32;

std::size_t h[ N ];

list v;

for( int i = 0; i < N; ++i )

{

h[ i ] = hash()( v );

BOOST_TEST_EQ( h[ i ], hash()( v ) );

for( int j = 0; j < i; ++j )

{

BOOST_TEST_NE( h[ j ], h[ i ] );

}

v.push_back( T() );

}

}

int main()

{

test<int>();

test<float>();

test<double>();

test< std::vector<int> >();

return boost::report_errors();

}