/*

 * Copyright (c) 2018, 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

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 */

/*

 * @test

 * @bug 8195650

 * @summary Test linking of method references to VarHandle access methods.

 * @run testng VarHandleMethodReferenceTest

 */

import org.testng.annotations.Test;

import java.lang.invoke.*;

public class VarHandleMethodReferenceTest {

  interface R {

      void apply();

  }

  @Test

  public void testMethodReferences() {

      VarHandle vh = MethodHandles.arrayElementVarHandle(int[].class);

      // The compilation of these method references will result in the

      // placement of MethodHandles in the constant pool that reference

      // VarHandle signature polymorphic methods.

      // When those constant method handles are loaded the VarHandle invoker

      // mechanism will be used where the first argument to invocation will be

      // the bound VarHandle instance

      // VarHandle invokers are tested by other test classes so here it

      // is just necessary to check that functional objects can be successfully

      // obtained, it does not matter about the signature of the functional

      // interface

      R r;

      r = vh::get;

      r = vh::set;

      r = vh::getVolatile;

      r = vh::setVolatile;

      r = vh::getOpaque;

      r = vh::setOpaque;

      r = vh::getAcquire;

      r = vh::setRelease;

      r = vh::compareAndSet;

      r = vh::compareAndExchange;

      r = vh::compareAndExchangeAcquire;

      r = vh::compareAndExchangeRelease;

      r = vh::weakCompareAndSetPlain;

      r = vh::weakCompareAndSet;

      r = vh::weakCompareAndSetAcquire;

      r = vh::weakCompareAndSetRelease;

      r = vh::getAndSet;

      r = vh::getAndSetAcquire;

      r = vh::getAndSetRelease;

      r = vh::getAndAdd;

      r = vh::getAndAddAcquire;

      r = vh::getAndAddRelease;

      r = vh::getAndBitwiseOr;

      r = vh::getAndBitwiseOrAcquire;

      r = vh::getAndBitwiseOrRelease;

      r = vh::getAndBitwiseAnd;

      r = vh::getAndBitwiseAndAcquire;

      r = vh::getAndBitwiseAndRelease;

      r = vh::getAndBitwiseXor;

      r = vh::getAndBitwiseXorAcquire;

      r = vh::getAndBitwiseXorRelease;

  }

}