projects / ceph.git / blame
| 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_DROP_BACK_HPP | |
| 6 | #define BOOST_HANA_TEST_AUTO_DROP_BACK_HPP | |
| 7 | ||
| 8 | #include <boost/hana/assert.hpp> | |
| 9 | #include <boost/hana/drop_back.hpp> | |
| 10 | #include <boost/hana/equal.hpp> | |
| 11 | #include <boost/hana/integral_constant.hpp> | |
| 12 | ||
| 13 | #include <laws/base.hpp> | |
| 14 | #include "test_case.hpp" | |
| 15 | ||
| 16 | ||
| 17 | TestCase test_drop_back{[]{ | |
| 18 | namespace hana = boost::hana; | |
| 19 | using hana::test::ct_eq; | |
| 20 | ||
| 21 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 22 | hana::drop_back(MAKE_TUPLE(), hana::size_c<0>), | |
| 23 | MAKE_TUPLE() | |
| 24 | )); | |
| 25 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 26 | hana::drop_back(MAKE_TUPLE(), hana::size_c<1>), | |
| 27 | MAKE_TUPLE() | |
| 28 | )); | |
| 29 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 30 | hana::drop_back(MAKE_TUPLE(), hana::size_c<2>), | |
| 31 | MAKE_TUPLE() | |
| 32 | )); | |
| 33 | ||
| 34 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 35 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{}), hana::size_c<0>), | |
| 36 | MAKE_TUPLE(ct_eq<0>{}) | |
| 37 | )); | |
| 38 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 39 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{}), hana::size_c<1>), | |
| 40 | MAKE_TUPLE() | |
| 41 | )); | |
| 42 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 43 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{}), hana::size_c<2>), | |
| 44 | MAKE_TUPLE() | |
| 45 | )); | |
| 46 | ||
| 47 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 48 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<0>), | |
| 49 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}) | |
| 50 | )); | |
| 51 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 52 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<1>), | |
| 53 | MAKE_TUPLE(ct_eq<0>{}) | |
| 54 | )); | |
| 55 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 56 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<2>), | |
| 57 | MAKE_TUPLE() | |
| 58 | )); | |
| 59 | ||
| 60 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 61 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::size_c<0>), | |
| 62 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}) | |
| 63 | )); | |
| 64 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 65 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::size_c<1>), | |
| 66 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}) | |
| 67 | )); | |
| 68 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 69 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::size_c<2>), | |
| 70 | MAKE_TUPLE(ct_eq<0>{}) | |
| 71 | )); | |
| 72 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 73 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::size_c<3>), | |
| 74 | MAKE_TUPLE() | |
| 75 | )); | |
| 76 | ||
| 77 | // make sure hana::drop_back(xs) == hana::drop_back(xs, hana::size_c<1>) | |
| 78 | BOOST_HANA_CHECK(hana::equal( | |
| 79 | hana::drop_back(MAKE_TUPLE()), | |
| 80 | hana::drop_back(MAKE_TUPLE(), hana::size_c<1>) | |
| 81 | )); | |
| 82 | ||
| 83 | BOOST_HANA_CHECK(hana::equal( | |
| 84 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{})), | |
| 85 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{}), hana::size_c<1>) | |
| 86 | )); | |
| 87 | ||
| 88 | BOOST_HANA_CHECK(hana::equal( | |
| 89 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})), | |
| 90 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<1>) | |
| 91 | )); | |
| 92 | ||
| 93 | BOOST_HANA_CHECK(hana::equal( | |
| 94 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{})), | |
| 95 | hana::drop_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}), hana::size_c<1>) | |
| 96 | )); | |
| 97 | }}; | |
| 98 | ||
| 99 | #endif // !BOOST_HANA_TEST_AUTO_DROP_BACK_HPP |