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/*=============================================================================
Copyright (c) 2001-2007 Joel de Guzman
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/detail/lightweight_test.hpp>
#include <boost/fusion/adapted/struct/adapt_struct.hpp>
#include <boost/fusion/sequence/intrinsic/at.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/fusion/sequence/intrinsic/empty.hpp>
#include <boost/fusion/sequence/intrinsic/front.hpp>
#include <boost/fusion/sequence/intrinsic/back.hpp>
#include <boost/fusion/sequence/intrinsic/value_at.hpp>
#include <boost/fusion/sequence/io/out.hpp>
#include <boost/fusion/container/vector/vector.hpp>
#include <boost/fusion/container/list/list.hpp>
#include <boost/fusion/container/generation/make_vector.hpp>
#include <boost/fusion/container/vector/convert.hpp>
#include <boost/fusion/sequence/comparison/equal_to.hpp>
#include <boost/fusion/sequence/comparison/not_equal_to.hpp>
#include <boost/fusion/sequence/comparison/less.hpp>
#include <boost/fusion/sequence/comparison/less_equal.hpp>
#include <boost/fusion/sequence/comparison/greater.hpp>
#include <boost/fusion/sequence/comparison/greater_equal.hpp>
#include <boost/fusion/mpl.hpp>
#include <boost/fusion/support/is_view.hpp>
#include <boost/mpl/front.hpp>
#include <boost/mpl/is_sequence.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/static_assert.hpp>
#include <iostream>
#include <string>
namespace ns
{
struct point
{
int x;
int y;
int z;
};
#if !BOOST_WORKAROUND(__GNUC__,<4)
struct point_with_private_attributes
{
friend struct boost::fusion::extension::access;
private:
int x;
int y;
int z;
public:
point_with_private_attributes(int x, int y, int z):x(x),y(y),z(z)
{}
};
#endif
struct foo
{
int x;
};
struct bar
{
foo foo_;
int y;
};
}
#if BOOST_PP_VARIADICS
BOOST_FUSION_ADAPT_STRUCT(
ns::point,
x,
y,
z
)
# if !BOOST_WORKAROUND(__GNUC__,<4)
BOOST_FUSION_ADAPT_STRUCT(
ns::point_with_private_attributes,
x,
y,
z
)
# endif
struct s { int m; };
BOOST_FUSION_ADAPT_STRUCT(s, m)
BOOST_FUSION_ADAPT_STRUCT(
ns::bar,
foo_.x, // test that adapted members can actually be expressions
y
)
#else // BOOST_PP_VARIADICS
BOOST_FUSION_ADAPT_STRUCT(
ns::point,
(int, x)
(int, y)
(BOOST_FUSION_ADAPT_AUTO, z)
)
# if !BOOST_WORKAROUND(__GNUC__,<4)
BOOST_FUSION_ADAPT_STRUCT(
ns::point_with_private_attributes,
(int, x)
(int, y)
(BOOST_FUSION_ADAPT_AUTO, z)
)
# endif
struct s { int m; };
BOOST_FUSION_ADAPT_STRUCT(s, (BOOST_FUSION_ADAPT_AUTO, m))
BOOST_FUSION_ADAPT_STRUCT(
ns::bar,
(BOOST_FUSION_ADAPT_AUTO, foo_.x) // test that adapted members can actually be expressions
(BOOST_FUSION_ADAPT_AUTO, y)
)
#endif
int
main()
{
using namespace boost::fusion;
using namespace boost;
using ns::point;
std::cout << tuple_open('[');
std::cout << tuple_close(']');
std::cout << tuple_delimiter(", ");
{
BOOST_MPL_ASSERT_NOT((traits::is_view<point>));
point p = {123, 456, 789};
std::cout << at_c<0>(p) << std::endl;
std::cout << at_c<1>(p) << std::endl;
std::cout << at_c<2>(p) << std::endl;
std::cout << p << std::endl;
BOOST_TEST(p == make_vector(123, 456, 789));
at_c<0>(p) = 6;
at_c<1>(p) = 9;
at_c<2>(p) = 12;
BOOST_TEST(p == make_vector(6, 9, 12));
BOOST_STATIC_ASSERT(boost::fusion::result_of::size<point>::value == 3);
BOOST_STATIC_ASSERT(!boost::fusion::result_of::empty<point>::value);
BOOST_TEST(front(p) == 6);
BOOST_TEST(back(p) == 12);
}
{
vector<int, float, int> v1(4, 2, 2);
point v2 = {5, 3, 3};
vector<long, double, int> v3(5, 4, 4);
BOOST_TEST(v1 < v2);
BOOST_TEST(v1 <= v2);
BOOST_TEST(v2 > v1);
BOOST_TEST(v2 >= v1);
BOOST_TEST(v2 < v3);
BOOST_TEST(v2 <= v3);
BOOST_TEST(v3 > v2);
BOOST_TEST(v3 >= v2);
}
{
// conversion from point to vector
point p = {5, 3, 3};
vector<int, long, int> v(p);
v = p;
}
{
// conversion from point to list
point p = {5, 3, 3};
list<int, long, int> l(p);
l = p;
}
{ // begin/end
using namespace boost::fusion;
using boost::is_same;
typedef boost::fusion::result_of::begin<s>::type b;
typedef boost::fusion::result_of::end<s>::type e;
// this fails
BOOST_MPL_ASSERT((is_same<boost::fusion::result_of::next<b>::type, e>));
}
{
BOOST_MPL_ASSERT((mpl::is_sequence<ns::point>));
BOOST_MPL_ASSERT((boost::is_same<
boost::fusion::result_of::value_at_c<ns::point,0>::type
, mpl::front<ns::point>::type>));
}
#if !BOOST_WORKAROUND(__GNUC__,<4)
{
ns::point_with_private_attributes p(123, 456, 789);
std::cout << at_c<0>(p) << std::endl;
std::cout << at_c<1>(p) << std::endl;
std::cout << at_c<2>(p) << std::endl;
std::cout << p << std::endl;
BOOST_TEST(p == make_vector(123, 456, 789));
}
#endif
{
fusion::vector<int, float> v1(4, 2);
ns::bar v2 = {{5}, 3};
BOOST_TEST(v1 < v2);
BOOST_TEST(v1 <= v2);
BOOST_TEST(v2 > v1);
BOOST_TEST(v2 >= v1);
}
return boost::report_errors();
}
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