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Diffstat (limited to '')
-rw-r--r-- | src/boost/libs/hana/test/_include/laws/product.hpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/_include/laws/product.hpp b/src/boost/libs/hana/test/_include/laws/product.hpp new file mode 100644 index 000000000..18e5a15d2 --- /dev/null +++ b/src/boost/libs/hana/test/_include/laws/product.hpp @@ -0,0 +1,46 @@ +// 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_LAWS_PRODUCT_HPP +#define BOOST_HANA_TEST_LAWS_PRODUCT_HPP + +#include <boost/hana/assert.hpp> +#include <boost/hana/concept/product.hpp> +#include <boost/hana/core/make.hpp> +#include <boost/hana/core/when.hpp> +#include <boost/hana/equal.hpp> +#include <boost/hana/first.hpp> +#include <boost/hana/second.hpp> + +#include <laws/base.hpp> + + +namespace boost { namespace hana { namespace test { + template <typename P, typename = when<true>> + struct TestProduct : TestProduct<P, laws> { + using TestProduct<P, laws>::TestProduct; + }; + + template <typename P> + struct TestProduct<P, laws> { + template <typename Elements> + TestProduct(Elements elements) { + foreach2(elements, [](auto x, auto y) { + static_assert(Product<decltype(hana::make<P>(x, y))>{}, ""); + + BOOST_HANA_CHECK(hana::equal( + hana::first(hana::make<P>(x, y)), + x + )); + + BOOST_HANA_CHECK(hana::equal( + hana::second(hana::make<P>(x, y)), + y + )); + }); + } + }; +}}} // end namespace boost::hana::test + +#endif // !BOOST_HANA_TEST_LAWS_PRODUCT_HPP |