forked from boostorg/optional
69 lines
1.5 KiB
C++
69 lines
1.5 KiB
C++
// Copyright (C) 2014 Andrzej Krzemienski.
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//
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// Use, modification, and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/lib/optional for documentation.
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//
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// You are welcome to contact the author at:
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// akrzemi1@gmail.com
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//
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// Revisions:
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//
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#include<iostream>
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#include<stdexcept>
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#include<string>
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#define BOOST_ENABLE_ASSERT_HANDLER
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#include "boost/bind/apply.hpp" // Included just to test proper interaction with boost::apply<> as reported by Daniel Wallin
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#include "boost/mpl/bool.hpp"
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#include "boost/mpl/bool_fwd.hpp" // For mpl::true_ and mpl::false_
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#include "boost/optional/optional.hpp"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "boost/none.hpp"
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#include "boost/test/minimal.hpp"
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#include "optional_test_common.cpp"
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struct SemiRegular // no operator==
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{
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private: void operator==(SemiRegular const&) const {}
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private: void operator!=(SemiRegular const&) const {}
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};
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void test_equal_to_none_of_noncomparable_T()
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{
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optional<SemiRegular> i = SemiRegular();
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optional<SemiRegular> o;
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BOOST_CHECK(i != boost::none);
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BOOST_CHECK(boost::none != i);
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BOOST_CHECK(o == boost::none);
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BOOST_CHECK(boost::none == o);
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}
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int test_main( int, char* [] )
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{
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try
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{
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test_equal_to_none_of_noncomparable_T();
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}
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catch ( ... )
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{
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BOOST_ERROR("Unexpected Exception caught!");
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}
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return 0;
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}
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