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1 | // Boost.Geometry |
2 | // Unit Test | |
3 | ||
4 | // Copyright (c) 2019 Oracle and/or its affiliates. | |
5 | ||
6 | // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle | |
7 | ||
8 | // Use, modification and distribution is subject to the Boost Software License, | |
9 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
10 | // http://www.boost.org/LICENSE_1_0.txt) | |
11 | ||
12 | ||
13 | #include <geometry_test_common.hpp> | |
14 | ||
15 | #include <boost/geometry/util/tuples.hpp> | |
16 | ||
17 | namespace bt = boost::tuples; | |
18 | namespace bgt = boost::geometry::tuples; | |
19 | namespace bm = boost::mpl; | |
20 | ||
21 | template <typename T> | |
22 | struct is_double | |
23 | : boost::is_same<T, double> | |
24 | {}; | |
25 | ||
26 | template <typename T> | |
27 | struct is_float | |
28 | : boost::is_same<T, float> | |
29 | {}; | |
30 | ||
31 | ||
32 | template <typename Tuple> | |
33 | struct is_boost_tuple | |
34 | : boost::integral_constant<bool, false> | |
35 | {}; | |
36 | ||
37 | template <class T0, class T1, class T2, class T3, class T4, class T5, class T6, class T7, class T8, class T9> | |
38 | struct is_boost_tuple<boost::tuple<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9> > | |
39 | : boost::integral_constant<bool, true> | |
40 | {}; | |
41 | ||
42 | template <typename Tuple> | |
43 | struct is_boost_tuples_cons | |
44 | : boost::integral_constant<bool, false> | |
45 | {}; | |
46 | ||
47 | template <typename HT, typename TT> | |
48 | struct is_boost_tuples_cons<boost::tuples::cons<HT, TT> > | |
49 | : boost::integral_constant<bool, true> | |
50 | {}; | |
51 | ||
52 | template <typename Tuple> | |
53 | struct is_std_pair | |
54 | : boost::integral_constant<bool, false> | |
55 | {}; | |
56 | ||
57 | template <typename F, typename S> | |
58 | struct is_std_pair<std::pair<F, S> > | |
59 | : boost::integral_constant<bool, true> | |
60 | {}; | |
61 | ||
62 | #if !defined(BOOST_NO_CXX11_HDR_TUPLE) && !defined(BOOST_NO_VARIADIC_TEMPLATES) | |
63 | ||
64 | template <typename Tuple> | |
65 | struct is_std_tuple | |
66 | : boost::integral_constant<bool, false> | |
67 | {}; | |
68 | ||
69 | template <typename ...Ts> | |
70 | struct is_std_tuple<std::tuple<Ts...> > | |
71 | : boost::integral_constant<bool, true> | |
72 | {}; | |
73 | ||
74 | #endif | |
75 | ||
76 | template <typename Tuple> | |
77 | void test_all() | |
78 | { | |
79 | typedef Tuple tuple_id; | |
80 | tuple_id tup_id(1, 2.0); | |
81 | ||
82 | BOOST_CHECK_EQUAL((bgt::get<0>(tup_id)), 1); | |
83 | BOOST_CHECK_EQUAL((bgt::get<1>(tup_id)), 2.0); | |
84 | ||
85 | BOOST_CHECK_EQUAL(int(bgt::size<tuple_id>::value), 2); | |
86 | ||
87 | BOOST_CHECK_EQUAL((bgt::find_index_if<tuple_id, is_double>::value), 1); | |
88 | BOOST_CHECK((boost::is_same<typename bgt::find_if<tuple_id, is_double>::type, double>::value)); | |
89 | ||
90 | BOOST_CHECK_EQUAL((bgt::find_index_if<tuple_id, is_float>::value), 2); | |
91 | BOOST_CHECK((boost::is_same<typename bgt::find_if<tuple_id, is_float>::type, boost::tuples::null_type>::value)); | |
92 | ||
93 | typedef typename bgt::push_back<tuple_id, float>::type tuple_idf; | |
94 | tuple_idf tup_idf = bgt::push_back<tuple_id, float>::apply(tup_id, 3.0f); | |
95 | ||
96 | BOOST_CHECK_EQUAL((bgt::get<0>(tup_idf)), 1); | |
97 | BOOST_CHECK_EQUAL((bgt::get<1>(tup_idf)), 2.0); | |
98 | BOOST_CHECK_EQUAL((bgt::get<2>(tup_idf)), 3.0f); | |
99 | ||
100 | BOOST_CHECK_EQUAL(int(bgt::size<tuple_idf>::value), 3); | |
101 | ||
102 | BOOST_CHECK_EQUAL((bgt::find_index_if<tuple_idf, is_float>::value), 2); | |
103 | BOOST_CHECK((boost::is_same<typename bgt::find_if<tuple_idf, is_float>::type, float>::value)); | |
104 | ||
105 | #if !defined(BOOST_NO_CXX11_HDR_TUPLE) && !defined(BOOST_NO_VARIADIC_TEMPLATES) | |
106 | ||
107 | BOOST_CHECK(( | |
108 | (is_boost_tuple<tuple_id>::value && is_boost_tuples_cons<tuple_idf>::value) | |
109 | || (!is_boost_tuple<tuple_id>::value && is_std_tuple<tuple_idf>::value) | |
110 | )); | |
111 | ||
112 | #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) | |
113 | ||
114 | tup_idf = bgt::push_back<tuple_id, float>::apply(std::move(tup_id), 3.0f); | |
115 | ||
116 | BOOST_CHECK_EQUAL((bgt::get<0>(tup_idf)), 1); | |
117 | BOOST_CHECK_EQUAL((bgt::get<1>(tup_idf)), 2.0); | |
118 | BOOST_CHECK_EQUAL((bgt::get<2>(tup_idf)), 3.0f); | |
119 | ||
120 | #endif | |
121 | ||
122 | #else | |
123 | ||
124 | BOOST_CHECK((is_boost_tuples_cons<tuple_idf>::type, float>::value)); | |
125 | ||
126 | #endif | |
127 | } | |
128 | ||
129 | int test_main(int, char* []) | |
130 | { | |
131 | test_all<boost::tuple<int, double> >(); | |
132 | test_all<std::pair<int, double> >(); | |
133 | ||
134 | #if !defined(BOOST_NO_CXX11_HDR_TUPLE) && !defined(BOOST_NO_VARIADIC_TEMPLATES) | |
135 | ||
136 | test_all<std::tuple<int, double> >(); | |
137 | ||
138 | #endif | |
139 | ||
140 | return 0; | |
141 | } |