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_FRONT_HPP | |
| 6 | #define BOOST_HANA_TEST_AUTO_DROP_FRONT_HPP | |
| 7 | ||
| 8 | #include <boost/hana/assert.hpp> | |
| 9 | #include <boost/hana/drop_front.hpp> | |
| 10 | #include <boost/hana/drop_front_exactly.hpp> | |
| 11 | #include <boost/hana/equal.hpp> | |
| 12 | #include <boost/hana/integral_constant.hpp> | |
| 13 | ||
| 14 | #include <laws/base.hpp> | |
| 15 | #include "test_case.hpp" | |
| 16 | ||
| 17 | ||
| 18 | TestCase test_drop_front{[]{ | |
| 19 | namespace hana = boost::hana; | |
| 20 | using hana::test::ct_eq; | |
| 21 | ||
| 22 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 23 | hana::drop_front(MAKE_TUPLE(), hana::size_c<0>), | |
| 24 | MAKE_TUPLE() | |
| 25 | )); | |
| 26 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 27 | hana::drop_front(MAKE_TUPLE(), hana::size_c<1>), | |
| 28 | MAKE_TUPLE() | |
| 29 | )); | |
| 30 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 31 | hana::drop_front(MAKE_TUPLE(), hana::size_c<2>), | |
| 32 | MAKE_TUPLE() | |
| 33 | )); | |
| 34 | ||
| 35 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 36 | hana::drop_front(MAKE_TUPLE(ct_eq<0>{}), hana::size_c<0>), | |
| 37 | MAKE_TUPLE(ct_eq<0>{}) | |
| 38 | )); | |
| 39 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 40 | hana::drop_front(MAKE_TUPLE(ct_eq<0>{}), hana::size_c<1>), | |
| 41 | MAKE_TUPLE() | |
| 42 | )); | |
| 43 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 44 | hana::drop_front(MAKE_TUPLE(ct_eq<0>{}), hana::size_c<2>), | |
| 45 | MAKE_TUPLE() | |
| 46 | )); | |
| 47 | ||
| 48 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 49 | hana::drop_front(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<0>), | |
| 50 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}) | |
| 51 | )); | |
| 52 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 53 | hana::drop_front(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<1>), | |
| 54 | MAKE_TUPLE(ct_eq<1>{}) | |
| 55 | )); | |
| 56 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 57 | hana::drop_front(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<2>), | |
| 58 | MAKE_TUPLE() | |
| 59 | )); | |
| 60 | ||
| 61 | // make sure hana::drop_front(xs) == hana::drop_front(xs, size_c<1>) | |
| 62 | BOOST_HANA_CHECK(hana::equal( | |
| 63 | hana::drop_front(MAKE_TUPLE()), | |
| 64 | hana::drop_front(MAKE_TUPLE(), hana::size_c<1>) | |
| 65 | )); | |
| 66 | ||
| 67 | BOOST_HANA_CHECK(hana::equal( | |
| 68 | hana::drop_front(MAKE_TUPLE(ct_eq<0>{})), | |
| 69 | hana::drop_front(MAKE_TUPLE(ct_eq<0>{}), hana::size_c<1>) | |
| 70 | )); | |
| 71 | ||
| 72 | BOOST_HANA_CHECK(hana::equal( | |
| 73 | hana::drop_front(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})), | |
| 74 | hana::drop_front(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<1>) | |
| 75 | )); | |
| 76 | ||
| 77 | BOOST_HANA_CHECK(hana::equal( | |
| 78 | hana::drop_front(MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{})), | |
| 79 | hana::drop_front(MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}), hana::size_c<1>) | |
| 80 | )); | |
| 81 | }}; | |
| 82 | ||
| 83 | TestCase test_drop_front_exactly{[]{ | |
| 84 | namespace hana = boost::hana; | |
| 85 | using hana::test::ct_eq; | |
| 86 | ||
| 87 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 88 | hana::drop_front_exactly(MAKE_TUPLE(), hana::size_c<0>), | |
| 89 | MAKE_TUPLE() | |
| 90 | )); | |
| 91 | ||
| 92 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 93 | hana::drop_front_exactly(MAKE_TUPLE(ct_eq<0>{}), hana::size_c<0>), | |
| 94 | MAKE_TUPLE(ct_eq<0>{}) | |
| 95 | )); | |
| 96 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 97 | hana::drop_front_exactly(MAKE_TUPLE(ct_eq<0>{}), hana::size_c<1>), | |
| 98 | MAKE_TUPLE() | |
| 99 | )); | |
| 100 | ||
| 101 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 102 | hana::drop_front_exactly(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<0>), | |
| 103 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}) | |
| 104 | )); | |
| 105 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 106 | hana::drop_front_exactly(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<1>), | |
| 107 | MAKE_TUPLE(ct_eq<1>{}) | |
| 108 | )); | |
| 109 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 110 | hana::drop_front_exactly(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<2>), | |
| 111 | MAKE_TUPLE() | |
| 112 | )); | |
| 113 | ||
| 114 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 115 | hana::drop_front_exactly( | |
| 116 | MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, | |
| 117 | ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}), hana::size_c<4>), | |
| 118 | MAKE_TUPLE(ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}) | |
| 119 | )); | |
| 120 | ||
| 121 | // make sure drop_front_exactly(xs) == drop_front_exactly(xs, size_c<1>) | |
| 122 | BOOST_HANA_CHECK(hana::equal( | |
| 123 | hana::drop_front_exactly(MAKE_TUPLE(ct_eq<0>{})), | |
| 124 | hana::drop_front_exactly(MAKE_TUPLE(ct_eq<0>{}), hana::size_c<1>) | |
| 125 | )); | |
| 126 | ||
| 127 | BOOST_HANA_CHECK(hana::equal( | |
| 128 | hana::drop_front_exactly(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})), | |
| 129 | hana::drop_front_exactly(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<1>) | |
| 130 | )); | |
| 131 | ||
| 132 | BOOST_HANA_CHECK(hana::equal( | |
| 133 | hana::drop_front_exactly(MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{})), | |
| 134 | hana::drop_front_exactly(MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}), hana::size_c<1>) | |
| 135 | )); | |
| 136 | }}; | |
| 137 | ||
| 138 | #endif // !BOOST_HANA_TEST_AUTO_DROP_FRONT_HPP |