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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 | ||
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 | |
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 |