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// Copyright 2005 Alexander Nasonov.
//
// 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/any.hpp>
#include <boost/test/test_tools.hpp>
using namespace boost;
void test_cast_to_reference()
{
int i = 7;
any a(i), b(a);
const any c(i);
int& ra1 = any_cast<int& >(a);
int const& ra2 = any_cast<int const& >(a);
int const volatile& ra3 = any_cast<int const volatile&>(a);
BOOST_CHECK(&ra1 == &ra2 && &ra2 == &ra3);
int& rb1 = any_cast<int& >(b);
int const& rb2 = any_cast<int const& >(b);
int const volatile& rb3 = any_cast<int const volatile&>(b);
BOOST_CHECK(&rb1 == &rb2 && &rb2 == &rb3);
int const& rc1 = any_cast<int const& >(c);
int const volatile& rc2 = any_cast<int const volatile&>(c);
BOOST_CHECK(&rc1 == &rc2);
BOOST_CHECK(&ra1 != &rb1 && &rb1 != &rc1 && &rc1 != &ra1);
BOOST_CHECK(&ra1 != &i && &rb1 != &i && &rc1 != &i);
++ra1;
int v = any_cast<int>(a);
BOOST_CHECK(v == i + 1);
--rb1;
int v2 = any_cast<int>(b);
BOOST_CHECK(v2 == i - 1);
BOOST_CHECK_THROW(
any_cast<char&>(a),
bad_any_cast);
}
int test_main(int, char* av[])
{
test_cast_to_reference();
return 0;
}
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