diff options
Diffstat (limited to 'src/boost/libs/hana/test/ext/std/integral_constant/constant.cpp')
-rw-r--r-- | src/boost/libs/hana/test/ext/std/integral_constant/constant.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/ext/std/integral_constant/constant.cpp b/src/boost/libs/hana/test/ext/std/integral_constant/constant.cpp new file mode 100644 index 000000000..f15fb8e80 --- /dev/null +++ b/src/boost/libs/hana/test/ext/std/integral_constant/constant.cpp @@ -0,0 +1,33 @@ +// 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/tuple.hpp> +#include <boost/hana/value.hpp> + +#include <laws/constant.hpp> + +#include <type_traits> +namespace hana = boost::hana; + + +int main() { + // value + static_assert(hana::value(std::integral_constant<int, 0>{}) == 0, ""); + static_assert(hana::value(std::integral_constant<int, 1>{}) == 1, ""); + static_assert(hana::value(std::integral_constant<int, 3>{}) == 3, ""); + + // laws + hana::test::TestConstant<hana::ext::std::integral_constant_tag<int>>{ + hana::make_tuple( + std::integral_constant<int, -10>{}, + std::integral_constant<int, -2>{}, + std::integral_constant<int, 0>{}, + std::integral_constant<int, 1>{}, + std::integral_constant<int, 3>{} + ), + hana::tuple_t<int, long, long long> + }; +} |