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Diffstat (limited to 'src/boost/libs/hana/test/ext/std/integral_constant/logical.cpp')
-rw-r--r-- | src/boost/libs/hana/test/ext/std/integral_constant/logical.cpp | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/ext/std/integral_constant/logical.cpp b/src/boost/libs/hana/test/ext/std/integral_constant/logical.cpp new file mode 100644 index 000000000..38d8091c2 --- /dev/null +++ b/src/boost/libs/hana/test/ext/std/integral_constant/logical.cpp @@ -0,0 +1,63 @@ +// 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) + +#include <boost/hana/ext/std/integral_constant.hpp> + +#include <boost/hana/assert.hpp> +#include <boost/hana/equal.hpp> +#include <boost/hana/eval_if.hpp> +#include <boost/hana/functional/always.hpp> +#include <boost/hana/integral_constant.hpp> +#include <boost/hana/not.hpp> +#include <boost/hana/tuple.hpp> + +#include <laws/base.hpp> +#include <laws/logical.hpp> + +#include <type_traits> +namespace hana = boost::hana; + + +int main() { + // eval_if + { + auto t = hana::test::ct_eq<3>{}; + auto e = hana::test::ct_eq<4>{}; + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::eval_if(std::true_type{}, hana::always(t), hana::always(e)), + t + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::eval_if(std::false_type{}, hana::always(t), hana::always(e)), + e + )); + } + + // not_ + { + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::not_(std::true_type{}), + std::false_type{} + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::not_(std::false_type{}), + std::true_type{} + )); + } + + auto ints = hana::make_tuple( + std::integral_constant<int, -2>{}, + std::integral_constant<int, 0>{}, + std::integral_constant<int, 1>{}, + std::integral_constant<int, 3>{} + ); + + auto bools = hana::make_tuple(std::true_type{}, std::false_type{}); + + // laws + hana::test::TestLogical<hana::ext::std::integral_constant_tag<int>>{ints}; + hana::test::TestLogical<hana::ext::std::integral_constant_tag<bool>>{bools}; +} |