76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
/*=============================================================================
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Copyright (c) 2016 Kohei Takahashi
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#include <boost/detail/lightweight_test.hpp>
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#include <boost/fusion/container.hpp>
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#include <boost/fusion/sequence.hpp>
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#include <boost/fusion/sequence/io/out.hpp>
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#include <boost/fusion/iterator/equal_to.hpp>
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#include <boost/fusion/adapted/struct/define_struct.hpp>
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#include <boost/mpl/assert.hpp>
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#include <boost/mpl/is_sequence.hpp>
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#include <boost/static_assert.hpp>
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#include <iostream>
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BOOST_FUSION_DEFINE_TPL_STRUCT((M), BOOST_PP_EMPTY(), empty_struct, )
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int
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main()
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{
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using namespace boost;
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using namespace boost::fusion;
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std::cout << tuple_open('[');
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std::cout << tuple_close(']');
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std::cout << tuple_delimiter(", ");
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{
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BOOST_MPL_ASSERT_NOT((traits::is_view<empty_struct<void> >));
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empty_struct<void> e;
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std::cout << e << std::endl;
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BOOST_TEST(e == make_vector());
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BOOST_STATIC_ASSERT(fusion::result_of::size<empty_struct<void> >::value == 0);
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BOOST_STATIC_ASSERT(fusion::result_of::empty<empty_struct<void> >::value);
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}
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{
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vector<> v;
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empty_struct<void> e;
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BOOST_TEST(v == e);
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BOOST_TEST_NOT(v != e);
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BOOST_TEST_NOT(v < e);
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BOOST_TEST(v <= e);
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BOOST_TEST_NOT(v > e);
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BOOST_TEST(v >= e);
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}
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{
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empty_struct<void> e;
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// conversion from empty_struct to vector
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vector<> v(e);
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v = e;
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// conversion from empty_struct to list
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//list<> l(e);
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//l = e;
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}
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{ // begin/end
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typedef fusion::result_of::begin<empty_struct<void> >::type b;
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typedef fusion::result_of::end<empty_struct<void> >::type e;
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BOOST_MPL_ASSERT((fusion::result_of::equal_to<b, e>));
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}
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BOOST_MPL_ASSERT((mpl::is_sequence<empty_struct<void> >));
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return boost::report_errors();
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}
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