| /* |
| * 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; |
| } |
| } |