1 /*=============================================================================
2 Copyright (c) 2010, 2012 Christopher Schmidt, nathan Ridge
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_struct_inline.hpp>
14 #include <boost/preprocessor/empty.hpp>
15 #include <boost/mpl/assert.hpp>
16 #include <boost/static_assert.hpp>
17 #include <iostream>
18 #include <string>
19
20 struct cls
21 {
22 BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE(
23 (X)(Y),
24 point,
25 (X, x)
26 (Y, y)
27 )
28 };
29
30 template <typename = int>
31 struct tpl_cls
32 {
33 BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE(
34 (X)(Y),
35 point,
36 (X, x)
37 (Y, y)
38 )
39 };
40
41 namespace ns
42 {
43 BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE((M), s, (M, m))
44
45 BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE((M), empty_struct, )
46 }
47
48 template <typename Point>
run_test()49 void run_test()
50 {
51 using namespace boost::fusion;
52
53 std::cout << tuple_open('[');
54 std::cout << tuple_close(']');
55 std::cout << tuple_delimiter(", ");
56
57 {
58 BOOST_STATIC_ASSERT(boost::fusion::result_of::size<ns::empty_struct<int> >::value == 0);
59 BOOST_STATIC_ASSERT(boost::fusion::result_of::empty<ns::empty_struct<int> >::value);
60 }
61
62 {
63 BOOST_MPL_ASSERT_NOT((traits::is_view<Point>));
64 BOOST_STATIC_ASSERT(!traits::is_view<Point>::value);
65 Point p(123, 456);
66
67 std::cout << at_c<0>(p) << std::endl;
68 std::cout << at_c<1>(p) << std::endl;
69 std::cout << p << std::endl;
70 BOOST_TEST(p == make_vector(123, 456));
71
72 at_c<0>(p) = 6;
73 at_c<1>(p) = 9;
74 BOOST_TEST(p == make_vector(6, 9));
75
76 BOOST_STATIC_ASSERT(boost::fusion::result_of::size<Point>::value == 2);
77 BOOST_STATIC_ASSERT(!boost::fusion::result_of::empty<Point>::value);
78
79 BOOST_TEST(front(p) == 6);
80 BOOST_TEST(back(p) == 9);
81 }
82
83 {
84 vector<int, float> v1(4, 2.f);
85 Point v2(5, 3);
86 vector<long, double> v3(5, 4.);
87 BOOST_TEST(v1 < v2);
88 BOOST_TEST(v1 <= v2);
89 BOOST_TEST(v2 > v1);
90 BOOST_TEST(v2 >= v1);
91 BOOST_TEST(v2 < v3);
92 BOOST_TEST(v2 <= v3);
93 BOOST_TEST(v3 > v2);
94 BOOST_TEST(v3 >= v2);
95 }
96
97 {
98 // conversion from Point to vector
99 Point p(5, 3);
100 vector<int, long> v(p);
101 v = p;
102 }
103
104 {
105 // conversion from Point to list
106 Point p(5, 3);
107 list<int, long> l(p);
108 l = p;
109 }
110
111 { // begin/end
112 using namespace boost::fusion;
113
114 typedef boost::fusion::result_of::begin<ns::s<int> >::type b;
115 typedef boost::fusion::result_of::end<ns::s<int> >::type e;
116 // this fails
117 BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::next<b>::type, e>));
118 }
119
120
121 {
122 Point p = make_list(5,3);
123 BOOST_TEST(p == make_vector(5,3));
124
125 p = make_list(3,5);
126 BOOST_TEST(p == make_vector(3,5));
127 }
128 }
129
130 int
main()131 main()
132 {
133 run_test<cls::point<int, int> >(); // test non-template enclosing class
134 run_test<tpl_cls<>::point<int, int> >(); // test template enclosing class
135
136 return boost::report_errors();
137 }
138
139