/* * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "metaprogramming/logical.hpp" #include <type_traits> class TestBoolConstant { static_assert(BoolConstant<true>::value, "true"); static_assert(!BoolConstant<false>::value, "false"); }; class TestConjunction { class A : public std::true_type {}; class B : public std::true_type {}; class C : public std::false_type {}; class D : public std::false_type {}; static_assert(Conjunction<>::value, "nullary value"); static_assert(Conjunction<A>::value, "true value"); static_assert(std::is_base_of<A, Conjunction<A>>::value, "true type"); static_assert(!Conjunction<C>::value, "false value"); static_assert(std::is_base_of<C, Conjunction<C>>::value, "false type"); static_assert(Conjunction<A, B>::value, "true/true value"); static_assert(std::is_base_of<B, Conjunction<A, B>>::value, "true/true type"); static_assert(!Conjunction<A, C>::value, "true/false value"); static_assert(std::is_base_of<C, Conjunction<A, C>>::value, "true/false type"); static_assert(!Conjunction<C, A>::value, "false/true value"); static_assert(std::is_base_of<C, Conjunction<C, A>>::value, "false/true type"); static_assert(!Conjunction<C, D>::value, "false/false value"); static_assert(std::is_base_of<C, Conjunction<C, D>>::value, "false/false type"); }; class TestDisjunction { class A : public std::true_type {}; class B : public std::true_type {}; class C : public std::false_type {}; class D : public std::false_type {}; static_assert(!Disjunction<>::value, "nullary value"); static_assert(Disjunction<A>::value, "true value"); static_assert(std::is_base_of<A, Disjunction<A>>::value, "true type"); static_assert(!Disjunction<C>::value, "false value"); static_assert(std::is_base_of<C, Disjunction<C>>::value, "false type"); static_assert(Disjunction<A, B>::value, "true/true value"); static_assert(std::is_base_of<A, Disjunction<A, B>>::value, "true/true type"); static_assert(Disjunction<A, C>::value, "true/false value"); static_assert(std::is_base_of<A, Disjunction<A, C>>::value, "true/false type"); static_assert(Disjunction<C, A>::value, "false/true value"); static_assert(std::is_base_of<A, Disjunction<C, A>>::value, "false/true type"); static_assert(!Disjunction<C, D>::value, "false/false value"); static_assert(std::is_base_of<D, Disjunction<C, D>>::value, "false/false type"); }; class TestNegation { static_assert(Negation<std::false_type>::value, "false -> true"); static_assert(!Negation<std::true_type>::value, "true -> false"); };