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Diffstat (limited to 'src/boost/libs/hana/test/_include/auto/transform.hpp')
-rw-r--r-- | src/boost/libs/hana/test/_include/auto/transform.hpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/_include/auto/transform.hpp b/src/boost/libs/hana/test/_include/auto/transform.hpp new file mode 100644 index 000000000..478d725ac --- /dev/null +++ b/src/boost/libs/hana/test/_include/auto/transform.hpp @@ -0,0 +1,74 @@ +// 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_TRANSFORM_HPP +#define BOOST_HANA_TEST_AUTO_TRANSFORM_HPP + +#include <boost/hana/assert.hpp> +#include <boost/hana/equal.hpp> +#include <boost/hana/transform.hpp> + +#include "test_case.hpp" +#include <laws/base.hpp> + + +TestCase test_transform{[] { + namespace hana = boost::hana; + using hana::test::ct_eq; + struct undefined { }; + constexpr hana::test::_injection<0> f{}; + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::transform(MAKE_TUPLE(), undefined{}), + MAKE_TUPLE() + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::transform(MAKE_TUPLE(ct_eq<1>{}), f), + MAKE_TUPLE(f(ct_eq<1>{})) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::transform(MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}), f), + MAKE_TUPLE(f(ct_eq<1>{}), f(ct_eq<2>{})) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::transform(MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}), f), + MAKE_TUPLE(f(ct_eq<1>{}), f(ct_eq<2>{}), f(ct_eq<3>{})) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::transform(MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}), f), + MAKE_TUPLE(f(ct_eq<1>{}), f(ct_eq<2>{}), f(ct_eq<3>{}), f(ct_eq<4>{})) + )); + +#ifndef MAKE_TUPLE_NO_CONSTEXPR + struct incr { + constexpr int operator()(int i) const { return i + 1; } + }; + + static_assert(hana::equal( + hana::transform(MAKE_TUPLE(1), incr{}), + MAKE_TUPLE(2) + ), ""); + + static_assert(hana::equal( + hana::transform(MAKE_TUPLE(1, 2), incr{}), + MAKE_TUPLE(2, 3) + ), ""); + + static_assert(hana::equal( + hana::transform(MAKE_TUPLE(1, 2, 3), incr{}), + MAKE_TUPLE(2, 3, 4) + ), ""); + + static_assert(hana::equal( + hana::transform(MAKE_TUPLE(1, 2, 3, 4), incr{}), + MAKE_TUPLE(2, 3, 4, 5) + ), ""); +#endif +}}; + +#endif // !BOOST_HANA_TEST_AUTO_TRANSFORM_HPP |