diff options
Diffstat (limited to 'src/boost/libs/hana/test/map/is_subset.cpp')
-rw-r--r-- | src/boost/libs/hana/test/map/is_subset.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/map/is_subset.cpp b/src/boost/libs/hana/test/map/is_subset.cpp new file mode 100644 index 000000000..3ac5da1df --- /dev/null +++ b/src/boost/libs/hana/test/map/is_subset.cpp @@ -0,0 +1,51 @@ +// 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/assert.hpp> +#include <boost/hana/is_subset.hpp> +#include <boost/hana/map.hpp> +#include <boost/hana/not.hpp> + +#include <laws/base.hpp> +#include <support/minimal_product.hpp> +namespace hana = boost::hana; + + +template <int i> +auto key() { return hana::test::ct_eq<i>{}; } + +template <int i> +auto val() { return hana::test::ct_eq<-i>{}; } + +template <int i, int j> +auto p() { return ::minimal_product(key<i>(), val<j>()); } + +int main() { + BOOST_HANA_CONSTANT_CHECK(hana::is_subset( + hana::make_map(), + hana::make_map() + )); + BOOST_HANA_CONSTANT_CHECK(hana::is_subset( + hana::make_map(), + hana::make_map(p<1, 1>()) + )); + BOOST_HANA_CONSTANT_CHECK(hana::is_subset( + hana::make_map(), + hana::make_map(p<1, 1>(), p<2, 2>()) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::is_subset( + hana::make_map(p<1, 1>()), + hana::make_map(p<1, 1>(), p<2, 2>()) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::is_subset( + hana::make_map(p<2, 2>(), p<1, 1>()), + hana::make_map(p<1, 1>(), p<2, 2>()) + )); + BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::is_subset( + hana::make_map(p<3, 3>(), p<1, 1>()), + hana::make_map(p<1, 1>(), p<2, 2>()) + ))); +} |