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73 lines
4.1 KiB
C++
73 lines
4.1 KiB
C++
/*
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@copyright Louis Dionne 2014
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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*/
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#include <boost/hana/foldable.hpp>
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#include <boost/hana/detail/static_assert.hpp>
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#include <boost/hana/integral.hpp>
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#include "minimal_foldable.hpp"
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using namespace boost::hana;
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int main() {
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// compile-time
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<0>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<0>, int_<1>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<1>, int_<0>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<0>, int_<1>, int_<2>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<1>, int_<0>, int_<2>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<1>, int_<2>, int_<0>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<2>, int_<1>, int_<0>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<2>, int_<0>, int_<1>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<0>, int_<1>, int_<2>, int_<3>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<1>, int_<0>, int_<2>, int_<3>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<1>, int_<2>, int_<0>, int_<3>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<1>, int_<2>, int_<3>, int_<0>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<2>, int_<1>, int_<3>, int_<0>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<2>, int_<3>, int_<1>, int_<0>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<2>, int_<3>, int_<0>, int_<1>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<3>, int_<2>, int_<0>, int_<1>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<3>, int_<0>, int_<2>, int_<1>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<3>, int_<0>, int_<1>, int_<2>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<0>, int_<2>, int_<3>, int_<1>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<0>, int_<3>, int_<1>, int_<2>)) == int_<0>);
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// constexpr/runtime
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{0})) == int{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{0}, char{1})) == int{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{1}, char{0})) == char{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{0}, char{1}, long{2})) == int{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{1}, char{0}, long{2})) == char{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{1}, char{2}, long{0})) == long{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{2}, char{1}, long{0})) == long{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{2}, char{0}, long{1})) == char{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{0}, char{1}, long{2}, double{3})) == int{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{1}, char{0}, long{2}, double{3})) == char{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{1}, char{2}, long{0}, double{3})) == long{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{1}, char{2}, long{3}, double{0})) == double{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{2}, char{1}, long{3}, double{0})) == double{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{2}, char{3}, long{1}, double{0})) == double{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{2}, char{3}, long{0}, double{1})) == long{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{3}, char{2}, long{0}, double{1})) == long{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{3}, char{0}, long{2}, double{1})) == char{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{3}, char{0}, long{1}, double{2})) == char{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{0}, char{2}, long{3}, double{1})) == int{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{0}, char{3}, long{1}, double{2})) == int{0});
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// mixed
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int{0}, char{1}, long_<2>)) == int{0});
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BOOST_HANA_STATIC_ASSERT(minimum(foldable(int_<0>, char{1}, long{2})) == int_<0>);
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}
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