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Diffstat (limited to 'src/boost/libs/hana/test/concept/constant/logical.cpp')
-rw-r--r-- | src/boost/libs/hana/test/concept/constant/logical.cpp | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/concept/constant/logical.cpp b/src/boost/libs/hana/test/concept/constant/logical.cpp new file mode 100644 index 000000000..980273aa8 --- /dev/null +++ b/src/boost/libs/hana/test/concept/constant/logical.cpp @@ -0,0 +1,191 @@ +// 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 "minimal.hpp" + +#include <boost/hana/and.hpp> +#include <boost/hana/equal.hpp> +#include <boost/hana/eval_if.hpp> +#include <boost/hana/if.hpp> +#include <boost/hana/not.hpp> +#include <boost/hana/not_equal.hpp> +#include <boost/hana/or.hpp> +#include <boost/hana/tuple.hpp> +#include <boost/hana/while.hpp> + +#include <laws/base.hpp> +#include <laws/logical.hpp> +namespace hana = boost::hana; + + +struct invalid { }; + +int main() { + constexpr auto bools = hana::make_tuple( + minimal_constant<bool, false>{}, + minimal_constant<bool, true>{} + ); + + hana::test::TestLogical<minimal_constant_tag<bool>>{bools}; + + + constexpr auto true_ = minimal_constant<bool, true>{}; + constexpr auto false_ = minimal_constant<bool, false>{}; + + // not_ + { + BOOST_HANA_CONSTANT_CHECK(hana::equal(hana::not_(true_), false_)); + BOOST_HANA_CONSTANT_CHECK(hana::equal(hana::not_(false_), true_)); + } + + // and_ + { + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::and_(true_), + true_ + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::and_(false_), + false_ + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::and_(true_, true_), + true_ + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::and_(true_, false_), + false_ + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::and_(false_, invalid{}), + false_ + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::and_(true_, true_, true_), + true_ + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::and_(true_, true_, false_), + false_ + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::and_(true_, false_, invalid{}), + false_ + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::and_(false_, invalid{}, invalid{}), + false_ + )); + } + + // or_ + { + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::or_(true_), + true_ + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::or_(false_), + false_ + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::or_(false_, false_), + false_ + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::or_(false_, true_), + true_ + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::or_(true_, invalid{}), + true_ + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::or_(false_, false_, false_), + false_ + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::or_(false_, false_, true_), + true_ + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::or_(false_, true_, invalid{}), + true_ + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::or_(true_, invalid{}, invalid{}), + true_ + )); + } + + // if_ + { + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::if_(true_, hana::test::ct_eq<3>{}, hana::test::ct_eq<4>{}), + hana::test::ct_eq<3>{} + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::if_(false_, hana::test::ct_eq<3>{}, hana::test::ct_eq<4>{}), + hana::test::ct_eq<4>{} + )); + } + + // eval_if + { + auto t = [](auto) { return hana::test::ct_eq<2>{}; }; + auto e = [](auto) { return hana::test::ct_eq<3>{}; }; + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::eval_if(true_, t, invalid{}), + hana::test::ct_eq<2>{} + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::eval_if(false_, invalid{}, e), + hana::test::ct_eq<3>{} + )); + } + + // while_ + { + hana::test::_injection<0> f{}; + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::while_(hana::not_equal.to(hana::test::ct_eq<0>{}), hana::test::ct_eq<0>{}, invalid{}), + hana::test::ct_eq<0>{} + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::while_(hana::not_equal.to(f(hana::test::ct_eq<0>{})), hana::test::ct_eq<0>{}, f), + f(hana::test::ct_eq<0>{}) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::while_(hana::not_equal.to(f(f(hana::test::ct_eq<0>{}))), hana::test::ct_eq<0>{}, f), + f(f(hana::test::ct_eq<0>{})) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::while_(hana::not_equal.to(f(f(f(hana::test::ct_eq<0>{})))), hana::test::ct_eq<0>{}, f), + f(f(f(hana::test::ct_eq<0>{}))) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::while_(hana::not_equal.to(f(f(f(f(hana::test::ct_eq<0>{}))))), hana::test::ct_eq<0>{}, f), + f(f(f(f(hana::test::ct_eq<0>{})))) + )); + + // Make sure it can be called with an lvalue state: + auto state = hana::test::ct_eq<0>{}; + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::while_(hana::not_equal.to(f(f(f(f(hana::test::ct_eq<0>{}))))), state, f), + f(f(f(f(hana::test::ct_eq<0>{})))) + )); + } +} |