]>
Commit | Line | Data |
---|---|---|
b32b8144 | 1 | // Copyright Louis Dionne 2013-2017 |
7c673cae FG |
2 | // Distributed under the Boost Software License, Version 1.0. |
3 | // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) | |
4 | ||
5 | #ifndef BOOST_HANA_TEST_AUTO_SLICE_HPP | |
6 | #define BOOST_HANA_TEST_AUTO_SLICE_HPP | |
7 | ||
8 | #include <boost/hana/assert.hpp> | |
9 | #include <boost/hana/equal.hpp> | |
10 | #include <boost/hana/integral_constant.hpp> | |
11 | #include <boost/hana/range.hpp> | |
12 | #include <boost/hana/slice.hpp> | |
13 | #include <boost/hana/tuple.hpp> | |
14 | ||
15 | #include "test_case.hpp" | |
16 | #include <laws/base.hpp> | |
17 | #include <support/seq.hpp> | |
18 | ||
19 | #include <cstddef> | |
20 | ||
21 | ||
22 | TestCase test_slice{[]{ | |
23 | namespace hana = boost::hana; | |
24 | using hana::test::ct_eq; | |
25 | constexpr auto foldable = ::seq; | |
26 | ||
27 | struct undefined { }; | |
28 | ||
29 | ////////////////////////////////////////////////////////////////////////// | |
30 | // Test with arbitrary indices | |
31 | ////////////////////////////////////////////////////////////////////////// | |
32 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
33 | hana::slice(MAKE_TUPLE(), | |
34 | foldable()), | |
35 | MAKE_TUPLE() | |
36 | )); | |
37 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
38 | hana::slice(MAKE_TUPLE(undefined{}), | |
39 | foldable()), | |
40 | MAKE_TUPLE() | |
41 | )); | |
42 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
43 | hana::slice(MAKE_TUPLE(undefined{}, undefined{}), | |
44 | foldable()), | |
45 | MAKE_TUPLE() | |
46 | )); | |
47 | ||
48 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
49 | hana::slice(MAKE_TUPLE(ct_eq<0>{}), | |
50 | foldable(hana::size_c<0>)), | |
51 | MAKE_TUPLE(ct_eq<0>{}) | |
52 | )); | |
53 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
54 | hana::slice(MAKE_TUPLE(ct_eq<0>{}, undefined{}), | |
55 | foldable(hana::size_c<0>)), | |
56 | MAKE_TUPLE(ct_eq<0>{}) | |
57 | )); | |
58 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
59 | hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}), | |
60 | foldable(hana::size_c<1>)), | |
61 | MAKE_TUPLE(ct_eq<1>{}) | |
62 | )); | |
63 | ||
64 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
65 | hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), | |
66 | foldable(hana::size_c<0>, hana::size_c<1>)), | |
67 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}) | |
68 | )); | |
69 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
70 | hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), | |
71 | foldable(hana::size_c<1>, hana::size_c<0>)), | |
72 | MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{}) | |
73 | )); | |
74 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
75 | hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), | |
76 | foldable(hana::size_c<0>, hana::size_c<0>)), | |
77 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<0>{}) | |
78 | )); | |
79 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
80 | hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), | |
81 | foldable(hana::size_c<1>, hana::size_c<1>)), | |
82 | MAKE_TUPLE(ct_eq<1>{}, ct_eq<1>{}) | |
83 | )); | |
84 | ||
85 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
86 | hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), | |
87 | foldable(hana::size_c<0>, hana::size_c<1>, hana::size_c<2>)), | |
88 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}) | |
89 | )); | |
90 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
91 | hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), | |
92 | foldable(hana::size_c<0>, hana::size_c<2>, hana::size_c<1>)), | |
93 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}) | |
94 | )); | |
95 | ||
96 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
97 | hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), | |
98 | foldable(hana::size_c<0>, hana::size_c<2>, hana::size_c<1>, hana::size_c<0>)), | |
99 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{}) | |
100 | )); | |
101 | ||
102 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
103 | hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), | |
104 | foldable(hana::size_c<0>, hana::size_c<2>, hana::size_c<1>, hana::size_c<0>, hana::size_c<1>)), | |
105 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{}, ct_eq<1>{}) | |
106 | )); | |
107 | ||
108 | // Try with a tuple_c | |
109 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
110 | hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}), | |
111 | hana::tuple_c<unsigned, 1, 3, 2>), | |
112 | MAKE_TUPLE(ct_eq<1>{}, ct_eq<3>{}, ct_eq<2>{}) | |
113 | )); | |
114 | ||
115 | ||
116 | ||
117 | ////////////////////////////////////////////////////////////////////////// | |
118 | // Test with a `range` (check the optimization for contiguous indices) | |
119 | ////////////////////////////////////////////////////////////////////////// | |
120 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
121 | hana::slice(MAKE_TUPLE(), | |
122 | hana::range_c<std::size_t, 0, 0>), | |
123 | MAKE_TUPLE() | |
124 | )); | |
125 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
126 | hana::slice(MAKE_TUPLE(undefined{}), | |
127 | hana::range_c<std::size_t, 0, 0>), | |
128 | MAKE_TUPLE() | |
129 | )); | |
130 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
131 | hana::slice(MAKE_TUPLE(undefined{}, undefined{}), | |
132 | hana::range_c<std::size_t, 0, 0>), | |
133 | MAKE_TUPLE() | |
134 | )); | |
135 | ||
136 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
137 | hana::slice(MAKE_TUPLE(ct_eq<0>{}), | |
138 | hana::range_c<std::size_t, 0, 1>), | |
139 | MAKE_TUPLE(ct_eq<0>{}) | |
140 | )); | |
141 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
142 | hana::slice(MAKE_TUPLE(ct_eq<0>{}, undefined{}), | |
143 | hana::range_c<std::size_t, 0, 1>), | |
144 | MAKE_TUPLE(ct_eq<0>{}) | |
145 | )); | |
146 | ||
147 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
148 | hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}), | |
149 | hana::range_c<std::size_t, 1, 2>), | |
150 | MAKE_TUPLE(ct_eq<1>{}) | |
151 | )); | |
152 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
153 | hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}, undefined{}), | |
154 | hana::range_c<std::size_t, 1, 2>), | |
155 | MAKE_TUPLE(ct_eq<1>{}) | |
156 | )); | |
157 | ||
158 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
159 | hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), | |
160 | hana::range_c<std::size_t, 0, 2>), | |
161 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}) | |
162 | )); | |
163 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
164 | hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, undefined{}), | |
165 | hana::range_c<std::size_t, 0, 2>), | |
166 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}) | |
167 | )); | |
168 | ||
169 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
170 | hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}, ct_eq<2>{}), | |
171 | hana::range_c<std::size_t, 1, 3>), | |
172 | MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}) | |
173 | )); | |
174 | ||
175 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
176 | hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}, ct_eq<2>{}, undefined{}), | |
177 | hana::range_c<std::size_t, 1, 3>), | |
178 | MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}) | |
179 | )); | |
180 | }}; | |
181 | ||
182 | #endif // !BOOST_HANA_TEST_AUTO_SLICE_HPP |