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
8 #include <boost/detail/lightweight_test.hpp>
9 #include <boost/fusion/sequence.hpp>
10 #include <boost/fusion/container.hpp>
11 #include <boost/fusion/support.hpp>
12 #include <boost/fusion/sequence/io/out.hpp>
13 #include <boost/fusion/adapted/struct/define_assoc_struct.hpp>
14 #include <boost/mpl/assert.hpp>
15 #include <boost/static_assert.hpp>
16 #include <iostream>
17 #include <string>
18
19 namespace ns
20 {
21 struct x_member;
22 struct y_member;
23 struct z_member;
24 }
25
26 BOOST_FUSION_DEFINE_ASSOC_TPL_STRUCT(
27 (X)(Y),
28 (ns),
29 point,
30 (int, x, ns::x_member)
31 (int, y, ns::y_member)
32 )
33
34 BOOST_FUSION_DEFINE_ASSOC_TPL_STRUCT((M), BOOST_PP_EMPTY(), empty_struct, )
35
36 int
main()37 main()
38 {
39 using namespace boost::fusion;
40
41 typedef ns::point<int,int> point;
42
43 std::cout << tuple_open('[');
44 std::cout << tuple_close(']');
45 std::cout << tuple_delimiter(", ");
46
47 {
48 BOOST_MPL_ASSERT_NOT((traits::is_view<point>));
49 BOOST_STATIC_ASSERT(!traits::is_view<point>::value);
50 point p(123, 456);
51
52 std::cout << at_c<0>(p) << std::endl;
53 std::cout << at_c<1>(p) << std::endl;
54 std::cout << p << std::endl;
55 BOOST_TEST(p == make_vector(123, 456));
56
57 at_c<0>(p) = 6;
58 at_c<1>(p) = 9;
59 BOOST_TEST(p == make_vector(6, 9));
60
61 BOOST_STATIC_ASSERT(boost::fusion::result_of::size<point>::value == 2);
62 BOOST_STATIC_ASSERT(!boost::fusion::result_of::empty<point>::value);
63
64 BOOST_TEST(front(p) == 6);
65 BOOST_TEST(back(p) == 9);
66 }
67
68 {
69 vector<int, float> v1(4, 2.f);
70 point v2(5, 3);
71 vector<long, double> v3(5, 4.0);
72 BOOST_TEST(v1 < v2);
73 BOOST_TEST(v1 <= v2);
74 BOOST_TEST(v2 > v1);
75 BOOST_TEST(v2 >= v1);
76 BOOST_TEST(v2 < v3);
77 BOOST_TEST(v2 <= v3);
78 BOOST_TEST(v3 > v2);
79 BOOST_TEST(v3 >= v2);
80 }
81
82 {
83 // conversion from point to vector
84 point p(5, 3);
85 vector<int, long> v(p);
86 v = p;
87 }
88
89 {
90 // conversion from point to list
91 point p(5, 3);
92 list<int, long> l(p);
93 l = p;
94 }
95
96 {
97 // assoc stuff
98 BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<point, ns::x_member>));
99 BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<point, ns::y_member>));
100 BOOST_MPL_ASSERT((boost::mpl::not_<boost::fusion::result_of::has_key<point, ns::z_member> >));
101
102 BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<point, ns::x_member>::type, int>));
103 BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<point, ns::y_member>::type, int>));
104
105 point p(5, 3);
106
107 BOOST_TEST(at_key<ns::x_member>(p) == 5);
108 BOOST_TEST(at_key<ns::y_member>(p) == 3);
109 }
110
111 {
112 point p = make_list(5,3);
113 BOOST_TEST(p == make_vector(5,3));
114
115 p = make_list(3,5);
116 BOOST_TEST(p == make_vector(3,5));
117 }
118
119 return boost::report_errors();
120 }
121
122