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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_PARTITION_HPP | |
6 | #define BOOST_HANA_TEST_AUTO_PARTITION_HPP | |
7 | ||
8 | #include <boost/hana/assert.hpp> | |
9 | #include <boost/hana/contains.hpp> | |
10 | #include <boost/hana/equal.hpp> | |
11 | #include <boost/hana/partition.hpp> | |
12 | ||
13 | #include "test_case.hpp" | |
14 | #include <laws/base.hpp> | |
15 | #include <support/minimal_product.hpp> | |
16 | ||
17 | ||
18 | TestCase test_partition{[]{ | |
19 | namespace hana = boost::hana; | |
20 | using hana::test::ct_eq; | |
21 | ||
22 | struct undefined { }; | |
23 | ||
24 | auto pair = ::minimal_product; | |
25 | auto pred = hana::in ^ MAKE_TUPLE(ct_eq<-1>{}, ct_eq<-2>{}, ct_eq<-3>{}, ct_eq<-4>{}, ct_eq<-5>{}); | |
26 | ||
27 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
28 | hana::partition(MAKE_TUPLE(), undefined{}), | |
29 | pair(MAKE_TUPLE(), MAKE_TUPLE()) | |
30 | )); | |
31 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
32 | hana::partition(MAKE_TUPLE(ct_eq<0>{}), pred), | |
33 | pair(MAKE_TUPLE(), | |
34 | MAKE_TUPLE(ct_eq<0>{})) | |
35 | )); | |
36 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
37 | hana::partition(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), pred), | |
38 | pair(MAKE_TUPLE(), | |
39 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})) | |
40 | )); | |
41 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
42 | hana::partition(MAKE_TUPLE(ct_eq<-1>{}), pred), | |
43 | pair(MAKE_TUPLE(ct_eq<-1>{}), | |
44 | MAKE_TUPLE()) | |
45 | )); | |
46 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
47 | hana::partition(MAKE_TUPLE(ct_eq<-1>{}, ct_eq<0>{}, ct_eq<2>{}), pred), | |
48 | pair(MAKE_TUPLE(ct_eq<-1>{}), | |
49 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{})) | |
50 | )); | |
51 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
52 | hana::partition(MAKE_TUPLE(ct_eq<0>{}, ct_eq<-3>{}, ct_eq<2>{}, ct_eq<-5>{}, ct_eq<6>{}), pred), | |
53 | pair(MAKE_TUPLE(ct_eq<-3>{}, ct_eq<-5>{}), | |
54 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<6>{})) | |
55 | )); | |
56 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
57 | hana::partition(MAKE_TUPLE(ct_eq<-1>{}, ct_eq<2>{}, ct_eq<-3>{}, ct_eq<0>{}, ct_eq<-3>{}, ct_eq<4>{}), pred), | |
58 | pair(MAKE_TUPLE(ct_eq<-1>{}, ct_eq<-3>{}, ct_eq<-3>{}), | |
59 | MAKE_TUPLE(ct_eq<2>{}, ct_eq<0>{}, ct_eq<4>{})) | |
60 | )); | |
61 | ||
62 | // partition.by | |
63 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
64 | hana::partition.by(pred, MAKE_TUPLE(ct_eq<-1>{}, ct_eq<0>{}, ct_eq<2>{})), | |
65 | hana::partition(MAKE_TUPLE(ct_eq<-1>{}, ct_eq<0>{}, ct_eq<2>{}), pred) | |
66 | )); | |
67 | ||
68 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
69 | hana::partition.by(pred)(MAKE_TUPLE(ct_eq<-1>{}, ct_eq<0>{}, ct_eq<2>{})), | |
70 | hana::partition(MAKE_TUPLE(ct_eq<-1>{}, ct_eq<0>{}, ct_eq<2>{}), pred) | |
71 | )); | |
72 | }}; | |
73 | ||
74 | #endif // !BOOST_HANA_TEST_AUTO_PARTITION_HPP |