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1 | /*============================================================================= |
2 | Copyright (c) 2010 Christopher Schmidt | |
3 | ||
4 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
5 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
6 | ==============================================================================*/ | |
7 | #include <boost/detail/lightweight_test.hpp> | |
8 | #include <boost/fusion/sequence.hpp> | |
9 | #include <boost/fusion/support.hpp> | |
10 | #include <boost/fusion/container/list.hpp> | |
11 | #include <boost/fusion/container/vector.hpp> | |
12 | #include <boost/fusion/container/generation/make_vector.hpp> | |
13 | #include <boost/fusion/adapted/adt/adapt_assoc_adt_named.hpp> | |
14 | #include <boost/mpl/assert.hpp> | |
15 | #include <boost/mpl/not.hpp> | |
16 | #include <boost/mpl/front.hpp> | |
17 | #include <boost/mpl/is_sequence.hpp> | |
18 | #include <boost/type_traits/is_same.hpp> | |
19 | #include <boost/static_assert.hpp> | |
20 | #include <iostream> | |
21 | #include <string> | |
22 | ||
23 | namespace ns | |
24 | { | |
25 | struct x_member; | |
26 | struct y_member; | |
27 | struct z_member; | |
28 | ||
29 | class point | |
30 | { | |
31 | public: | |
32 | ||
33 | point() : x(0), y(0) {} | |
34 | point(int in_x, int in_y) : x(in_x), y(in_y) {} | |
35 | ||
36 | int get_x() const { return x; } | |
37 | int get_y() const { return y; } | |
38 | void set_x(int x_) { x = x_; } | |
39 | void set_y(int y_) { y = y_; } | |
40 | ||
41 | private: | |
42 | ||
43 | int x; | |
44 | int y; | |
45 | }; | |
46 | } | |
47 | ||
48 | #if BOOST_PP_VARIADICS | |
49 | ||
50 | BOOST_FUSION_ADAPT_ASSOC_ADT_NAMED( | |
51 | ns::point, | |
52 | point, | |
53 | (obj.get_x(), obj.set_x(val), ns::x_member) | |
54 | (int, int, obj.get_y(), obj.set_y(val), ns::y_member) | |
55 | ) | |
56 | ||
57 | #else // BOOST_PP_VARIADICS | |
58 | ||
59 | BOOST_FUSION_ADAPT_ASSOC_ADT_NAMED( | |
60 | ns::point, | |
61 | point, | |
62 | (auto, auto, obj.get_x(), obj.set_x(val), ns::x_member) | |
63 | (int, int, obj.get_y(), obj.set_y(val), ns::y_member) | |
64 | ) | |
65 | ||
66 | #endif | |
67 | ||
68 | ||
69 | class empty_adt{}; | |
70 | BOOST_FUSION_ADAPT_ASSOC_ADT_NAMED(empty_adt, renamed_empty_adt,) | |
71 | ||
72 | int | |
73 | main() | |
74 | { | |
75 | using namespace boost::fusion; | |
76 | ||
77 | std::cout << tuple_open('['); | |
78 | std::cout << tuple_close(']'); | |
79 | std::cout << tuple_delimiter(", "); | |
80 | ||
81 | { | |
82 | BOOST_MPL_ASSERT((traits::is_view<adapted::point>)); | |
92f5a8d4 | 83 | BOOST_STATIC_ASSERT(traits::is_view<adapted::point>::value); |
7c673cae FG |
84 | ns::point basep(123, 456); |
85 | adapted::point p(basep); | |
86 | ||
87 | std::cout << at_c<0>(p) << std::endl; | |
88 | std::cout << at_c<1>(p) << std::endl; | |
89 | std::cout << p << std::endl; | |
90 | BOOST_TEST(p == make_vector(123, 456)); | |
91 | ||
92 | at_c<0>(p) = 6; | |
93 | at_c<1>(p) = 9; | |
94 | BOOST_TEST(p == make_vector(6, 9)); | |
95 | ||
96 | BOOST_STATIC_ASSERT(boost::fusion::result_of::size<adapted::point>::value == 2); | |
97 | BOOST_STATIC_ASSERT(!boost::fusion::result_of::empty<adapted::point>::value); | |
98 | ||
99 | BOOST_TEST(front(p) == 6); | |
100 | BOOST_TEST(back(p) == 9); | |
101 | } | |
102 | ||
103 | { | |
104 | boost::fusion::vector<int, float> v1(4, 2.f); | |
105 | ns::point basev2(5, 3); | |
106 | adapted::point v2(basev2); | |
107 | boost::fusion::vector<long, double> v3(5, 4.); | |
108 | BOOST_TEST(v1 < v2); | |
109 | BOOST_TEST(v1 <= v2); | |
110 | BOOST_TEST(v2 > v1); | |
111 | BOOST_TEST(v2 >= v1); | |
112 | BOOST_TEST(v2 < v3); | |
113 | BOOST_TEST(v2 <= v3); | |
114 | BOOST_TEST(v3 > v2); | |
115 | BOOST_TEST(v3 >= v2); | |
116 | } | |
117 | ||
118 | { | |
119 | // conversion from adapted::point to vector | |
120 | ns::point basep(5, 3); | |
121 | adapted::point p(basep); | |
122 | boost::fusion::vector<int, long> v(p); | |
123 | v = p; | |
124 | } | |
125 | ||
126 | { | |
127 | // conversion from adated::point to list | |
128 | ns::point basep(5, 3); | |
129 | adapted::point p(basep); | |
130 | boost::fusion::list<int, long> l(p); | |
131 | l = p; | |
132 | } | |
133 | ||
134 | { | |
135 | BOOST_MPL_ASSERT((boost::mpl::is_sequence<adapted::point>)); | |
136 | BOOST_MPL_ASSERT((boost::is_same< | |
137 | boost::fusion::result_of::value_at_c<adapted::point,0>::type | |
138 | , boost::mpl::front<adapted::point>::type>)); | |
139 | } | |
140 | ||
141 | { | |
142 | // assoc stuff | |
143 | BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<adapted::point, ns::x_member>)); | |
144 | BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<adapted::point, ns::y_member>)); | |
145 | BOOST_MPL_ASSERT((boost::mpl::not_<boost::fusion::result_of::has_key<adapted::point, ns::z_member> >)); | |
146 | ||
147 | BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<adapted::point, ns::x_member>::type, int>)); | |
148 | BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<adapted::point, ns::y_member>::type, int>)); | |
149 | ||
150 | ns::point basep(5, 3); | |
151 | adapted::point p(basep); | |
152 | ||
153 | BOOST_TEST(at_key<ns::x_member>(p) == 5); | |
154 | BOOST_TEST(at_key<ns::y_member>(p) == 3); | |
155 | } | |
156 | ||
157 | return boost::report_errors(); | |
158 | } | |
159 |