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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_TAKE_WHILE_HPP | |
6 | #define BOOST_HANA_TEST_AUTO_TAKE_WHILE_HPP | |
7 | ||
8 | #include <boost/hana/assert.hpp> | |
9 | #include <boost/hana/equal.hpp> | |
10 | #include <boost/hana/not_equal.hpp> | |
11 | #include <boost/hana/take_while.hpp> | |
12 | ||
13 | #include "test_case.hpp" | |
14 | #include <laws/base.hpp> | |
15 | ||
16 | ||
17 | TestCase test_take_while{[]{ | |
18 | namespace hana = boost::hana; | |
19 | using hana::test::ct_eq; | |
20 | ||
21 | auto z = ct_eq<999>{}; | |
22 | ||
23 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
24 | hana::take_while(MAKE_TUPLE(), hana::not_equal.to(z)), | |
25 | MAKE_TUPLE() | |
26 | )); | |
27 | ||
28 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
29 | hana::take_while(MAKE_TUPLE(ct_eq<1>{}), hana::not_equal.to(z)), | |
30 | MAKE_TUPLE(ct_eq<1>{}) | |
31 | )); | |
32 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
33 | hana::take_while(MAKE_TUPLE(z), hana::not_equal.to(z)), | |
34 | MAKE_TUPLE() | |
35 | )); | |
36 | ||
37 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
38 | hana::take_while(MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}), hana::not_equal.to(z)), | |
39 | MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}) | |
40 | )); | |
41 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
42 | hana::take_while(MAKE_TUPLE(ct_eq<1>{}, z), hana::not_equal.to(z)), | |
43 | MAKE_TUPLE(ct_eq<1>{}) | |
44 | )); | |
45 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
46 | hana::take_while(MAKE_TUPLE(z, ct_eq<2>{}), hana::not_equal.to(z)), | |
47 | MAKE_TUPLE() | |
48 | )); | |
49 | ||
50 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
51 | hana::take_while(MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}), hana::not_equal.to(z)), | |
52 | MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}) | |
53 | )); | |
54 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
55 | hana::take_while(MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, z), hana::not_equal.to(z)), | |
56 | MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}) | |
57 | )); | |
58 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
59 | hana::take_while(MAKE_TUPLE(ct_eq<1>{}, z, ct_eq<3>{}), hana::not_equal.to(z)), | |
60 | MAKE_TUPLE(ct_eq<1>{}) | |
61 | )); | |
62 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
63 | hana::take_while(MAKE_TUPLE(z, ct_eq<2>{}, ct_eq<3>{}), hana::not_equal.to(z)), | |
64 | MAKE_TUPLE() | |
65 | )); | |
66 | }}; | |
67 | ||
68 | #endif // !BOOST_HANA_TEST_AUTO_TAKE_WHILE_HPP |