variant/test/hash_variant_test.cpp
2011-11-22 16:05:44 +00:00

35 lines
1002 B
C++

// Copyright (c) 2011
// Antony Polukhin
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include "boost/test/minimal.hpp"
#include "boost/variant/detail/hash_variant.hpp"
#include "boost/variant.hpp"
#include "boost/functional/hash/hash.hpp"
void run()
{
typedef boost::variant<bool, int, unsigned int, double> variant_type;
boost::hash<variant_type> hasher;
variant_type bool_variant1 = true;
variant_type bool_variant2 = false;
variant_type int_variant = 1;
variant_type float_variant = 1.0;
variant_type uint_variant = static_cast<unsigned int>(1);
BOOST_CHECK(hasher(bool_variant1) != hasher(bool_variant2));
BOOST_CHECK(hasher(bool_variant1) == hasher(bool_variant1));
BOOST_CHECK(hasher(int_variant) != hasher(uint_variant));
BOOST_CHECK(hasher(float_variant) != hasher(uint_variant));
}
int test_main(int , char* [])
{
run();
return 0;
}