93 lines
3.1 KiB
Java
93 lines
3.1 KiB
Java
/*
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* Copyright (c) 2018, 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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* @test
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* @bug 8195650
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* @summary Test linking of method references to VarHandle access methods.
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* @run testng VarHandleMethodReferenceTest
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*/
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import org.testng.annotations.Test;
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import java.lang.invoke.*;
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public class VarHandleMethodReferenceTest {
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interface R {
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void apply();
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}
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@Test
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public void testMethodReferences() {
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VarHandle vh = MethodHandles.arrayElementVarHandle(int[].class);
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// The compilation of these method references will result in the
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// placement of MethodHandles in the constant pool that reference
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// VarHandle signature polymorphic methods.
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// When those constant method handles are loaded the VarHandle invoker
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// mechanism will be used where the first argument to invocation will be
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// the bound VarHandle instance
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// VarHandle invokers are tested by other test classes so here it
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// is just necessary to check that functional objects can be successfully
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// obtained, it does not matter about the signature of the functional
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// interface
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R r;
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r = vh::get;
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r = vh::set;
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r = vh::getVolatile;
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r = vh::setVolatile;
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r = vh::getOpaque;
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r = vh::setOpaque;
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r = vh::getAcquire;
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r = vh::setRelease;
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r = vh::compareAndSet;
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r = vh::compareAndExchange;
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r = vh::compareAndExchangeAcquire;
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r = vh::compareAndExchangeRelease;
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r = vh::weakCompareAndSetPlain;
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r = vh::weakCompareAndSet;
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r = vh::weakCompareAndSetAcquire;
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r = vh::weakCompareAndSetRelease;
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r = vh::getAndSet;
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r = vh::getAndSetAcquire;
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r = vh::getAndSetRelease;
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r = vh::getAndAdd;
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r = vh::getAndAddAcquire;
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r = vh::getAndAddRelease;
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r = vh::getAndBitwiseOr;
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r = vh::getAndBitwiseOrAcquire;
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r = vh::getAndBitwiseOrRelease;
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r = vh::getAndBitwiseAnd;
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r = vh::getAndBitwiseAndAcquire;
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r = vh::getAndBitwiseAndRelease;
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r = vh::getAndBitwiseXor;
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r = vh::getAndBitwiseXorAcquire;
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r = vh::getAndBitwiseXorRelease;
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}
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}
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