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Diffstat (limited to 'src/boost/libs/hana/test/_include/auto/slice.hpp')
-rw-r--r-- | src/boost/libs/hana/test/_include/auto/slice.hpp | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/_include/auto/slice.hpp b/src/boost/libs/hana/test/_include/auto/slice.hpp new file mode 100644 index 000000000..3beb2ef0a --- /dev/null +++ b/src/boost/libs/hana/test/_include/auto/slice.hpp @@ -0,0 +1,182 @@ +// Copyright Louis Dionne 2013-2017 +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) + +#ifndef BOOST_HANA_TEST_AUTO_SLICE_HPP +#define BOOST_HANA_TEST_AUTO_SLICE_HPP + +#include <boost/hana/assert.hpp> +#include <boost/hana/equal.hpp> +#include <boost/hana/integral_constant.hpp> +#include <boost/hana/range.hpp> +#include <boost/hana/slice.hpp> +#include <boost/hana/tuple.hpp> + +#include "test_case.hpp" +#include <laws/base.hpp> +#include <support/seq.hpp> + +#include <cstddef> + + +TestCase test_slice{[]{ + namespace hana = boost::hana; + using hana::test::ct_eq; + constexpr auto foldable = ::seq; + + struct undefined { }; + + ////////////////////////////////////////////////////////////////////////// + // Test with arbitrary indices + ////////////////////////////////////////////////////////////////////////// + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(), + foldable()), + MAKE_TUPLE() + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(undefined{}), + foldable()), + MAKE_TUPLE() + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(undefined{}, undefined{}), + foldable()), + MAKE_TUPLE() + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(ct_eq<0>{}), + foldable(hana::size_c<0>)), + MAKE_TUPLE(ct_eq<0>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(ct_eq<0>{}, undefined{}), + foldable(hana::size_c<0>)), + MAKE_TUPLE(ct_eq<0>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}), + foldable(hana::size_c<1>)), + MAKE_TUPLE(ct_eq<1>{}) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), + foldable(hana::size_c<0>, hana::size_c<1>)), + MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), + foldable(hana::size_c<1>, hana::size_c<0>)), + MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), + foldable(hana::size_c<0>, hana::size_c<0>)), + MAKE_TUPLE(ct_eq<0>{}, ct_eq<0>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), + foldable(hana::size_c<1>, hana::size_c<1>)), + MAKE_TUPLE(ct_eq<1>{}, ct_eq<1>{}) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), + foldable(hana::size_c<0>, hana::size_c<1>, hana::size_c<2>)), + MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), + foldable(hana::size_c<0>, hana::size_c<2>, hana::size_c<1>)), + MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), + foldable(hana::size_c<0>, hana::size_c<2>, hana::size_c<1>, hana::size_c<0>)), + MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{}) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), + foldable(hana::size_c<0>, hana::size_c<2>, hana::size_c<1>, hana::size_c<0>, hana::size_c<1>)), + MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{}, ct_eq<1>{}) + )); + + // Try with a tuple_c + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}), + hana::tuple_c<unsigned, 1, 3, 2>), + MAKE_TUPLE(ct_eq<1>{}, ct_eq<3>{}, ct_eq<2>{}) + )); + + + + ////////////////////////////////////////////////////////////////////////// + // Test with a `range` (check the optimization for contiguous indices) + ////////////////////////////////////////////////////////////////////////// + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(), + hana::range_c<std::size_t, 0, 0>), + MAKE_TUPLE() + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(undefined{}), + hana::range_c<std::size_t, 0, 0>), + MAKE_TUPLE() + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(undefined{}, undefined{}), + hana::range_c<std::size_t, 0, 0>), + MAKE_TUPLE() + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(ct_eq<0>{}), + hana::range_c<std::size_t, 0, 1>), + MAKE_TUPLE(ct_eq<0>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(ct_eq<0>{}, undefined{}), + hana::range_c<std::size_t, 0, 1>), + MAKE_TUPLE(ct_eq<0>{}) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}), + hana::range_c<std::size_t, 1, 2>), + MAKE_TUPLE(ct_eq<1>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}, undefined{}), + hana::range_c<std::size_t, 1, 2>), + MAKE_TUPLE(ct_eq<1>{}) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), + hana::range_c<std::size_t, 0, 2>), + MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, undefined{}), + hana::range_c<std::size_t, 0, 2>), + MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}, ct_eq<2>{}), + hana::range_c<std::size_t, 1, 3>), + MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}, ct_eq<2>{}, undefined{}), + hana::range_c<std::size_t, 1, 3>), + MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}) + )); +}}; + +#endif // !BOOST_HANA_TEST_AUTO_SLICE_HPP |