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