test/hotspot/gtest/metaprogramming/test_conditional.cpp
author erikj
Tue, 12 Sep 2017 19:03:39 +0200
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parent 46649 hotspot/test/native/metaprogramming/test_conditional.cpp@439ffb1e05ec
permissions -rw-r--r--
8187443: Forest Consolidation: Move files to unified layout Reviewed-by: darcy, ihse
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/*
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 * Copyright (c) 2017, 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 "memory/allocation.hpp"
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#include "metaprogramming/conditional.hpp"
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#include "metaprogramming/isSame.hpp"
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#include "utilities/debug.hpp"
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class ConditionalTest {
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  class A: AllStatic {};
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  class B: AllStatic {};
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  typedef Conditional<true, A, B>::type A_B_if_true;
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  static const bool A_B_if_true_is_A = IsSame<A_B_if_true, A>::value;
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  static const bool A_B_if_true_is_B = IsSame<A_B_if_true, B>::value;
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  STATIC_ASSERT(A_B_if_true_is_A);
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  STATIC_ASSERT(!A_B_if_true_is_B);
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  typedef Conditional<false, A, B>::type A_B_if_false;
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  static const bool A_B_if_false_is_A = IsSame<A_B_if_false, A>::value;
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  static const bool A_B_if_false_is_B = IsSame<A_B_if_false, B>::value;
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  STATIC_ASSERT(!A_B_if_false_is_A);
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  STATIC_ASSERT(A_B_if_false_is_B);
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};