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66 lines
3.0 KiB
C++
66 lines
3.0 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/mcd.hpp>
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#include <boost/hana/detail/constexpr.hpp>
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#include <boost/hana/detail/minimal/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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using namespace boost::hana;
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BOOST_HANA_CONSTEXPR_LAMBDA auto f = [](auto x) {
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return x;
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};
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template <typename mcd>
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void test() {
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constexpr auto foldable = detail::minimal::foldable<mcd>;
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// compile-time
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BOOST_HANA_STATIC_ASSERT(count(f, foldable()) == size_t<0>);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int_<1>)) == size_t<1>);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int_<0>)) == size_t<0>);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int_<1>, char_<1>)) == size_t<2>);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int_<1>, char_<0>)) == size_t<1>);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int_<0>, char_<1>)) == size_t<1>);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int_<0>, char_<0>)) == size_t<0>);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int_<1>, char_<1>, long_<1>)) == size_t<3>);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int_<1>, char_<1>, long_<0>)) == size_t<2>);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int_<1>, char_<0>, long_<1>)) == size_t<2>);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int_<1>, char_<0>, long_<0>)) == size_t<1>);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int_<0>, char_<1>, long_<1>)) == size_t<2>);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int_<0>, char_<1>, long_<0>)) == size_t<1>);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int_<0>, char_<0>, long_<1>)) == size_t<1>);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int_<0>, char_<0>, long_<0>)) == size_t<0>);
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// constexpr/runtime
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int{1})) == 1);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int{0})) == 0);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int{1}, char{1})) == 2);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int{1}, char{0})) == 1);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int{0}, char{1})) == 1);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int{0}, char{0})) == 0);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int{1}, char{1}, double{1})) == 3);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int{1}, char{1}, double{0})) == 2);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int{1}, char{0}, double{1})) == 2);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int{1}, char{0}, double{0})) == 1);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int{0}, char{1}, double{1})) == 2);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int{0}, char{1}, double{0})) == 1);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int{0}, char{0}, double{1})) == 1);
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BOOST_HANA_STATIC_ASSERT(count(f, foldable(int{0}, char{0}, double{0})) == 0);
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}
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int main() {
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test<Foldable::mcd>();
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}
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