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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_SPAN_HPP | |
6 | #define BOOST_HANA_TEST_AUTO_SPAN_HPP | |
7 | ||
8 | #include <boost/hana/assert.hpp> | |
9 | #include <boost/hana/equal.hpp> | |
10 | #include <boost/hana/span.hpp> | |
11 | ||
12 | #include "test_case.hpp" | |
13 | #include <laws/base.hpp> | |
14 | #include <support/minimal_product.hpp> | |
15 | ||
16 | ||
17 | TestCase test_span{[]{ | |
18 | namespace hana = boost::hana; | |
19 | using hana::test::ct_eq; | |
20 | ||
21 | auto z = ct_eq<999>{}; | |
22 | auto pair = ::minimal_product; | |
23 | ||
24 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
25 | hana::span(MAKE_TUPLE(), hana::equal.to(z)), | |
26 | pair(MAKE_TUPLE(), MAKE_TUPLE()) | |
27 | )); | |
28 | ||
29 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
30 | hana::span(MAKE_TUPLE(ct_eq<0>{}), hana::equal.to(z)), | |
31 | pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{})) | |
32 | )); | |
33 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
34 | hana::span(MAKE_TUPLE(z), hana::equal.to(z)), | |
35 | pair(MAKE_TUPLE(z), MAKE_TUPLE()) | |
36 | )); | |
37 | ||
38 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
39 | hana::span(MAKE_TUPLE(ct_eq<0>{}, z), hana::equal.to(z)), | |
40 | pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, z)) | |
41 | )); | |
42 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
43 | hana::span(MAKE_TUPLE(z, ct_eq<0>{}), hana::equal.to(z)), | |
44 | pair(MAKE_TUPLE(z), MAKE_TUPLE(ct_eq<0>{})) | |
45 | )); | |
46 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
47 | hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::equal.to(z)), | |
48 | pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})) | |
49 | )); | |
50 | ||
51 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
52 | hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z)), | |
53 | pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})) | |
54 | )); | |
55 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
56 | hana::span(MAKE_TUPLE(z, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z)), | |
57 | pair(MAKE_TUPLE(z), MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{})) | |
58 | )); | |
59 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
60 | hana::span(MAKE_TUPLE(ct_eq<0>{}, z, ct_eq<2>{}), hana::equal.to(z)), | |
61 | pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, z, ct_eq<2>{})) | |
62 | )); | |
63 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
64 | hana::span(MAKE_TUPLE(z, z, ct_eq<2>{}), hana::equal.to(z)), | |
65 | pair(MAKE_TUPLE(z, z), MAKE_TUPLE(ct_eq<2>{})) | |
66 | )); | |
67 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
68 | hana::span(MAKE_TUPLE(z, z, z), hana::equal.to(z)), | |
69 | pair(MAKE_TUPLE(z, z, z), MAKE_TUPLE()) | |
70 | )); | |
71 | ||
72 | // span.by | |
73 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
74 | hana::span.by(hana::equal.to(z), MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})), | |
75 | hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z)) | |
76 | )); | |
77 | ||
78 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
79 | hana::span.by(hana::equal.to(z))(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})), | |
80 | hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z)) | |
81 | )); | |
82 | }}; | |
83 | ||
84 | #endif // !BOOST_HANA_TEST_AUTO_SPAN_HPP |