summaryrefslogtreecommitdiff
path: root/libs/fusion/test/sequence/adapt_assoc_struct.cpp
blob: 4cdabb8786fab499766a0bbe5c8300a39a9306fd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
/*=============================================================================
    Copyright (c) 2001-2007 Joel de Guzman
    Copyright (c) 2005-2007 Dan Marsden

    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_assoc_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/has_key.hpp>
#include <boost/fusion/sequence/intrinsic/at_key.hpp>
#include <boost/fusion/sequence/intrinsic/value_at.hpp>
#include <boost/fusion/sequence/intrinsic/value_at_key.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/back.hpp>
#include <boost/mpl/is_sequence.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/mpl/not.hpp>
#include <boost/type_traits/is_same.hpp>
#include <iostream>
#include <string>

namespace ns
{
    struct x_member;
    struct y_member;
    struct z_member;
    struct non_member;

    struct point
    {
        int x;
        int y;
        int z;
    };
}

#if BOOST_PP_VARIADICS
  BOOST_FUSION_ADAPT_ASSOC_STRUCT(
      ns::point,
      (x, ns::x_member)
      (y, ns::y_member)
      (int, z, ns::z_member)
  )

#else // BOOST_PP_VARIADICS
  BOOST_FUSION_ADAPT_ASSOC_STRUCT(
      ns::point,
      (BOOST_FUSION_ADAPT_AUTO, x, ns::x_member)
      (BOOST_FUSION_ADAPT_AUTO, y, ns::y_member)
      (int, z, ns::z_member)
  )

#endif

int
main()
{
    using namespace boost::fusion;
    using namespace boost;

    std::cout << tuple_open('[');
    std::cout << tuple_close(']');
    std::cout << tuple_delimiter(", ");

    {
        BOOST_MPL_ASSERT_NOT((traits::is_view<ns::point>));
        ns::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<ns::point>::value == 3);
        BOOST_STATIC_ASSERT(!boost::fusion::result_of::empty<ns::point>::value);

        BOOST_TEST(front(p) == 6);
        BOOST_TEST(back(p) == 12);
    }

    {
        fusion::vector<int, float, int> v1(4, 2, 2);
        ns::point v2 = {5, 3, 3};
        fusion::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 ns::point to vector
        ns::point p = {5, 3, 3};
        fusion::vector<int, long, int> v(p);
        v = p;
    }

    {
        // conversion from ns::point to list
        ns::point p = {5, 3, 3};
        fusion::list<int, long, int> l(p);
        l = p;
    }

    {
        // assoc stuff
        BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<ns::point, ns::x_member>));
        BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<ns::point, ns::y_member>));
        BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<ns::point, ns::z_member>));
        BOOST_MPL_ASSERT((mpl::not_<boost::fusion::result_of::has_key<ns::point, ns::non_member> >));

        BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<ns::point, ns::x_member>::type, int>));
        BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<ns::point, ns::y_member>::type, int>));
        BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<ns::point, ns::z_member>::type, int>));

        ns::point p = {5, 3, 9};
        
        BOOST_TEST(at_key<ns::x_member>(p) == 5);
        BOOST_TEST(at_key<ns::y_member>(p) == 3);
        BOOST_TEST(at_key<ns::z_member>(p) == 9);
    }

    {
        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>));
        BOOST_MPL_ASSERT((boost::is_same<
            boost::fusion::result_of::value_at_c<ns::point,2>::type
          , mpl::back<ns::point>::type>));
    }

    return boost::report_errors();
}