diff options
Diffstat (limited to 'src/boost/libs/hana/test/detail/any_of.cpp')
-rw-r--r-- | src/boost/libs/hana/test/detail/any_of.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/detail/any_of.cpp b/src/boost/libs/hana/test/detail/any_of.cpp new file mode 100644 index 000000000..3d71cc29e --- /dev/null +++ b/src/boost/libs/hana/test/detail/any_of.cpp @@ -0,0 +1,45 @@ +// 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/detail/any_of.hpp> +#include <boost/hana/detail/wrong.hpp> +#include <boost/hana/integral_constant.hpp> +namespace hana = boost::hana; + + +template <typename I> +struct is_even { + static constexpr bool value = I::value % 2 == 0; +}; + + +static_assert(!hana::detail::any_of<is_even>::value, ""); +static_assert(!hana::detail::any_of<is_even, hana::int_<1>>::value, ""); +static_assert(!hana::detail::any_of<is_even, hana::int_<1>, hana::int_<3>>::value, ""); +static_assert(!hana::detail::any_of<is_even, hana::int_<1>, hana::int_<3>, hana::int_<5>>::value, ""); +static_assert(!hana::detail::any_of<is_even, hana::int_<1>, hana::int_<3>, hana::int_<5>, hana::int_<7>>::value, ""); + +static_assert(hana::detail::any_of<is_even, hana::int_<0>>::value, ""); +static_assert(hana::detail::any_of<is_even, hana::int_<0>, hana::int_<2>>::value, ""); +static_assert(hana::detail::any_of<is_even, hana::int_<0>, hana::int_<2>, hana::int_<4>>::value, ""); +static_assert(hana::detail::any_of<is_even, hana::int_<0>, hana::int_<2>, hana::int_<4>, hana::int_<6>>::value, ""); + +static_assert(hana::detail::any_of<is_even, hana::int_<0>, hana::int_<1>>::value, ""); +static_assert(hana::detail::any_of<is_even, hana::int_<0>, hana::int_<1>, hana::int_<2>>::value, ""); +static_assert(hana::detail::any_of<is_even, hana::int_<0>, hana::int_<1>, hana::int_<2>, hana::int_<3>>::value, ""); +static_assert(hana::detail::any_of<is_even, hana::int_<0>, hana::int_<1>, hana::int_<2>, hana::int_<3>, hana::int_<4>>::value, ""); +static_assert(hana::detail::any_of<is_even, hana::int_<1>, hana::int_<3>, hana::int_<5>, hana::int_<8>>::value, ""); +static_assert(hana::detail::any_of<is_even, hana::int_<1>, hana::int_<8>, hana::int_<5>, hana::int_<7>>::value, ""); + +// Make sure we short-circuit properly +template <typename ...Dummy> +struct fail { + static_assert(hana::detail::wrong<Dummy...>::value, + "this must never be instantiated"); +}; +static_assert(hana::detail::any_of<is_even, hana::int_<1>, hana::int_<2>, fail<>>::value, ""); +static_assert(hana::detail::any_of<is_even, hana::int_<1>, hana::int_<2>, fail<>, hana::int_<3>>::value, ""); +static_assert(hana::detail::any_of<is_even, hana::int_<1>, hana::int_<2>, fail<>, hana::int_<4>>::value, ""); + +int main() { } |