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// Copyright (C) 2003, Fernando Luis Cacciola Carballal.

//

// Use, modification, and distribution is subject to 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)

//

// See http://www.boost.org/lib/optional for documentation.

//

// You are welcome to contact the author at:

// fernando_cacciola@hotmail.com

//

#include<string>

#include "boost/optional.hpp"

struct A {} ;

struct B {} ;

//

// THIS TEST SHOULD FAIL TO COMPILE

//

void test_no_unsupported_conversion()

{

boost::optional<A> opt1;

boost::optional<B> opt2;

opt2 = opt1 ; // Cannot convert from "A" to "B"

}