summaryrefslogtreecommitdiff
path: root/libs/fusion/test/sequence/adapt_assoc_adt.cpp
blob: a03605f1eb1bd1a28d27dd23ba6a44fa60d67099 (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
/*=============================================================================
    Copyright (c) 2010 Christopher Schmidt

    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/sequence.hpp>
#include <boost/fusion/support.hpp>
#include <boost/fusion/container/list.hpp>
#include <boost/fusion/container/vector.hpp>
#include <boost/fusion/container/generation/make_vector.hpp>
#include <boost/fusion/adapted/adt/adapt_assoc_adt.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/mpl/not.hpp>
#include <boost/mpl/front.hpp>
#include <boost/mpl/is_sequence.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/static_assert.hpp>
#include <iostream>
#include <string>

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

    struct non_member;

    class point
    {
    public:
    
        point() : x(0), y(0), z(0) {}
        point(int in_x, int in_y, int in_z) : x(in_x), y(in_y), z(in_z) {}
            
        int get_x() const { return x; }
        int get_y() const { return y; }
        int get_z() const { return z; }
        void set_x(int x_) { x = x_; }
        void set_y(int y_) { y = y_; }
        void set_z(int z_) { z = z_; }
        
    private:
        
        int x;
        int y;
        int z;
    };
}

#if BOOST_PP_VARIADICS

BOOST_FUSION_ADAPT_ASSOC_ADT(
    ns::point,
    (int, int, obj.get_x(), obj.set_x(val), ns::x_member)
    (int, int, obj.get_y(), obj.set_y(val), ns::y_member)
    (obj.get_z(), obj.set_z(val), ns::z_member)
)

#else // BOOST_PP_VARIADICS

BOOST_FUSION_ADAPT_ASSOC_ADT(
    ns::point,
    (int, int, obj.get_x(), obj.set_x(val), ns::x_member)
    (int, int, obj.get_y(), obj.set_y(val), ns::y_member)
    (BOOST_FUSION_ADAPT_AUTO, BOOST_FUSION_ADAPT_AUTO, obj.get_z(), obj.set_z(val), ns::z_member)
)

#endif

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

    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);
    }

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

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

    {
        BOOST_MPL_ASSERT((boost::mpl::is_sequence<ns::point>));
        BOOST_MPL_ASSERT((boost::is_same<
            boost::fusion::result_of::value_at_c<ns::point,0>::type
          , boost::mpl::front<ns::point>::type>));
    }

    {
        // 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((boost::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, 1);

        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) == 1);
    }

    return boost::report_errors();
}