1// Copyright Louis Dionne 2013-2022
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#include <boost/hana/assert.hpp>
6#include <boost/hana/equal.hpp>
7#include <boost/hana/functional/capture.hpp>
8
9#include <laws/base.hpp>
10namespace hana = boost::hana;
11using hana::test::ct_eq;
12
13
14int main() {
15 hana::test::_injection<0> f{};
16
17 // 0-arg capture
18 BOOST_HANA_CONSTANT_CHECK(hana::equal(
19 hana::capture()(f)(),
20 f()
21 ));
22
23 BOOST_HANA_CONSTANT_CHECK(hana::equal(
24 hana::capture()(f)(ct_eq<0>{}),
25 f(ct_eq<0>{})
26 ));
27
28 BOOST_HANA_CONSTANT_CHECK(hana::equal(
29 hana::capture()(f)(ct_eq<0>{}, ct_eq<1>{}),
30 f(ct_eq<0>{}, ct_eq<1>{})
31 ));
32
33 BOOST_HANA_CONSTANT_CHECK(hana::equal(
34 hana::capture()(f)(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
35 f(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
36 ));
37
38 // 1-arg capture
39 BOOST_HANA_CONSTANT_CHECK(hana::equal(
40 hana::capture(ct_eq<77>{})(f)(),
41 f(ct_eq<77>{})
42 ));
43
44 BOOST_HANA_CONSTANT_CHECK(hana::equal(
45 hana::capture(ct_eq<77>{})(f)(ct_eq<0>{}),
46 f(ct_eq<77>{}, ct_eq<0>{})
47 ));
48
49 BOOST_HANA_CONSTANT_CHECK(hana::equal(
50 hana::capture(ct_eq<77>{})(f)(ct_eq<0>{}, ct_eq<1>{}),
51 f(ct_eq<77>{}, ct_eq<0>{}, ct_eq<1>{})
52 ));
53
54 BOOST_HANA_CONSTANT_CHECK(hana::equal(
55 hana::capture(ct_eq<77>{})(f)(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
56 f(ct_eq<77>{}, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
57 ));
58
59 // 2-args capture
60 BOOST_HANA_CONSTANT_CHECK(hana::equal(
61 hana::capture(ct_eq<77>{}, ct_eq<88>{})(f)(),
62 f(ct_eq<77>{}, ct_eq<88>{})
63 ));
64
65 BOOST_HANA_CONSTANT_CHECK(hana::equal(
66 hana::capture(ct_eq<77>{}, ct_eq<88>{})(f)(ct_eq<0>{}),
67 f(ct_eq<77>{}, ct_eq<88>{}, ct_eq<0>{})
68 ));
69
70 BOOST_HANA_CONSTANT_CHECK(hana::equal(
71 hana::capture(ct_eq<77>{}, ct_eq<88>{})(f)(ct_eq<0>{}, ct_eq<1>{}),
72 f(ct_eq<77>{}, ct_eq<88>{}, ct_eq<0>{}, ct_eq<1>{})
73 ));
74
75 BOOST_HANA_CONSTANT_CHECK(hana::equal(
76 hana::capture(ct_eq<77>{}, ct_eq<88>{})(f)(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
77 f(ct_eq<77>{}, ct_eq<88>{}, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
78 ));
79
80 // 3-args capture
81 BOOST_HANA_CONSTANT_CHECK(hana::equal(
82 hana::capture(ct_eq<77>{}, ct_eq<88>{}, ct_eq<99>{})(f)(),
83 f(ct_eq<77>{}, ct_eq<88>{}, ct_eq<99>{})
84 ));
85
86 BOOST_HANA_CONSTANT_CHECK(hana::equal(
87 hana::capture(ct_eq<77>{}, ct_eq<88>{}, ct_eq<99>{})(f)(ct_eq<0>{}),
88 f(ct_eq<77>{}, ct_eq<88>{}, ct_eq<99>{}, ct_eq<0>{})
89 ));
90
91 BOOST_HANA_CONSTANT_CHECK(hana::equal(
92 hana::capture(ct_eq<77>{}, ct_eq<88>{}, ct_eq<99>{})(f)(ct_eq<0>{}, ct_eq<1>{}),
93 f(ct_eq<77>{}, ct_eq<88>{}, ct_eq<99>{}, ct_eq<0>{}, ct_eq<1>{})
94 ));
95
96 BOOST_HANA_CONSTANT_CHECK(hana::equal(
97 hana::capture(ct_eq<77>{}, ct_eq<88>{}, ct_eq<99>{})(f)(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
98 f(ct_eq<77>{}, ct_eq<88>{}, ct_eq<99>{}, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
99 ));
100}
101

source code of boost/libs/hana/test/functional/capture.cpp