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/*
* 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @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;
}
}
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