hotspot/test/native/metaprogramming/test_decay.cpp
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     1 /*
       
     2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
       
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     4  *
       
     5  * This code is free software; you can redistribute it and/or modify it
       
     6  * under the terms of the GNU General Public License version 2 only, as
       
     7  * published by the Free Software Foundation.
       
     8  *
       
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
       
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    12  * version 2 for more details (a copy is included in the LICENSE file that
       
    13  * accompanied this code).
       
    14  *
       
    15  * You should have received a copy of the GNU General Public License version
       
    16  * 2 along with this work; if not, write to the Free Software Foundation,
       
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    18  *
       
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    20  * or visit www.oracle.com if you need additional information or have any
       
    21  * questions.
       
    22  *
       
    23  */
       
    24 
       
    25 #include "precompiled.hpp"
       
    26 #include "memory/allocation.hpp"
       
    27 #include "metaprogramming/decay.hpp"
       
    28 #include "metaprogramming/isSame.hpp"
       
    29 #include "utilities/debug.hpp"
       
    30 
       
    31 class TestDecay: AllStatic {
       
    32   class A: AllStatic {};
       
    33 
       
    34   typedef const volatile A cvA;
       
    35   typedef const volatile A& cvAref;
       
    36   typedef const volatile A* cvAptr;
       
    37   typedef const volatile A* const volatile cvAptrcv;
       
    38   typedef A& Aref;
       
    39 
       
    40   typedef Decay<cvAref>::type rr_cvAref;
       
    41   static const bool decay_cvAref_is_A = IsSame<rr_cvAref, A>::value;
       
    42   STATIC_ASSERT(decay_cvAref_is_A);
       
    43 
       
    44   typedef Decay<cvAptrcv>::type rr_cvAptrcv;
       
    45   static const bool decay_cvAptrcv_is_cvAptr = IsSame<rr_cvAptrcv, cvAptr>::value;
       
    46   STATIC_ASSERT(decay_cvAptrcv_is_cvAptr);
       
    47 };