154 lines
3.8 KiB
C++
154 lines
3.8 KiB
C++
/*=============================================================================
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Copyright (c) 2010, 2012 Christopher Schmidt, Nathan Ridge
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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/sequence.hpp>
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#include <boost/fusion/container.hpp>
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#include <boost/fusion/support.hpp>
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#include <boost/fusion/sequence/io/out.hpp>
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#include <boost/fusion/adapted/struct/define_struct_inline.hpp>
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#include <boost/preprocessor/empty.hpp>
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#include <boost/mpl/assert.hpp>
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#include <boost/static_assert.hpp>
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#include <iostream>
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#include <string>
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struct cls
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{
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BOOST_FUSION_DEFINE_STRUCT_INLINE(
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point,
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(int, x)
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(int, y)
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)
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};
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template <typename = int>
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struct tpl_cls
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{
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BOOST_FUSION_DEFINE_STRUCT_INLINE(
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point,
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(int, x)
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(int, y)
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)
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};
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namespace ns
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{
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BOOST_FUSION_DEFINE_STRUCT_INLINE(s, (int, m))
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BOOST_FUSION_DEFINE_STRUCT_INLINE(empty_struct, )
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// Testing non-constexpr compatible types
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BOOST_FUSION_DEFINE_STRUCT_INLINE(
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employee,
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(std::string, name)
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(std::string, nickname)
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)
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}
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template <typename Point>
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void run_test()
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{
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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_STATIC_ASSERT(boost::fusion::result_of::size<ns::empty_struct>::value == 0);
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BOOST_STATIC_ASSERT(boost::fusion::result_of::empty<ns::empty_struct>::value);
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}
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{
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BOOST_MPL_ASSERT_NOT((traits::is_view<Point>));
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BOOST_STATIC_ASSERT(!traits::is_view<Point>::value);
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Point p(123, 456);
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std::cout << at_c<0>(p) << std::endl;
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std::cout << at_c<1>(p) << std::endl;
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std::cout << p << std::endl;
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BOOST_TEST(p == make_vector(123, 456));
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at_c<0>(p) = 6;
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at_c<1>(p) = 9;
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BOOST_TEST(p == make_vector(6, 9));
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BOOST_STATIC_ASSERT(boost::fusion::result_of::size<Point>::value == 2);
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BOOST_STATIC_ASSERT(!boost::fusion::result_of::empty<Point>::value);
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BOOST_TEST(front(p) == 6);
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BOOST_TEST(back(p) == 9);
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}
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{
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vector<int, float> v1(4, 2.0f);
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Point v2(5, 3);
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vector<long, double> v3(5, 4.);
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BOOST_TEST(v1 < v2);
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BOOST_TEST(v1 <= v2);
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BOOST_TEST(v2 > v1);
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BOOST_TEST(v2 >= v1);
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BOOST_TEST(v2 < v3);
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BOOST_TEST(v2 <= v3);
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BOOST_TEST(v3 > v2);
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BOOST_TEST(v3 >= v2);
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}
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{
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// conversion from Point to vector
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Point p(5, 3);
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vector<int, long> v(p);
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v = p;
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}
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{
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// conversion from Point to list
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Point p(5, 3);
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list<int, long> l(p);
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l = p;
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}
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{ // begin/end
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using namespace boost::fusion;
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typedef boost::fusion::result_of::begin<ns::s>::type b;
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typedef boost::fusion::result_of::end<ns::s>::type e;
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// this fails
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BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::next<b>::type, e>));
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}
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{
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Point p = make_list(5,3);
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BOOST_TEST(p == make_vector(5,3));
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p = make_list(3,5);
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BOOST_TEST(p == make_vector(3,5));
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}
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}
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int
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main()
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{
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run_test<cls::point>(); // test with non-template enclosing class
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run_test<tpl_cls<>::point>(); // test with template enclosing class
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{
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using namespace boost::fusion;
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ns::employee emp = make_list("John Doe", "jdoe");
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std::cout << at_c<0>(emp) << std::endl;
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std::cout << at_c<1>(emp) << std::endl;
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BOOST_TEST(emp == make_vector("John Doe", "jdoe"));
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}
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return boost::report_errors();
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}
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