author | psandoz |
Mon, 22 Jan 2018 13:27:28 -0800 | |
changeset 49788 | 5375d426822a |
parent 47263 | 65640af28197 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 2017, 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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import java.lang.invoke.MethodHandle; |
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import java.lang.invoke.MethodHandleInfo; |
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import java.lang.invoke.MethodHandles; |
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import java.lang.invoke.MethodType; |
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import java.lang.invoke.VarHandle; |
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import java.lang.invoke.WrongMethodTypeException; |
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import java.lang.reflect.Method; |
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import java.nio.ReadOnlyBufferException; |
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import java.util.EnumMap; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.stream.Stream; |
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import static java.util.stream.Collectors.toList; |
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import static org.testng.Assert.*; |
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abstract class VarHandleBaseTest { |
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static final int ITERS = Integer.getInteger("iters", 1); |
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static final int WEAK_ATTEMPTS = Integer.getInteger("weakAttempts", 10); |
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interface ThrowingRunnable { |
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void run() throws Throwable; |
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} |
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static void checkUOE(ThrowingRunnable r) { |
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checkWithThrowable(UnsupportedOperationException.class, null, r); |
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} |
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static void checkUOE(Object message, ThrowingRunnable r) { |
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checkWithThrowable(UnsupportedOperationException.class, message, r); |
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} |
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static void checkROBE(ThrowingRunnable r) { |
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checkWithThrowable(ReadOnlyBufferException.class, null, r); |
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} |
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static void checkROBE(Object message, ThrowingRunnable r) { |
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checkWithThrowable(ReadOnlyBufferException.class, message, r); |
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} |
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static void checkIOOBE(ThrowingRunnable r) { |
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checkWithThrowable(IndexOutOfBoundsException.class, null, r); |
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} |
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static void checkIOOBE(Object message, ThrowingRunnable r) { |
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checkWithThrowable(IndexOutOfBoundsException.class, message, r); |
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} |
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static void checkASE(ThrowingRunnable r) { |
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checkWithThrowable(ArrayStoreException.class, null, r); |
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} |
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static void checkASE(Object message, ThrowingRunnable r) { |
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checkWithThrowable(ArrayStoreException.class, message, r); |
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} |
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static void checkISE(ThrowingRunnable r) { |
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checkWithThrowable(IllegalStateException.class, null, r); |
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} |
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static void checkISE(Object message, ThrowingRunnable r) { |
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checkWithThrowable(IllegalStateException.class, message, r); |
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} |
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static void checkIAE(ThrowingRunnable r) { |
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checkWithThrowable(IllegalAccessException.class, null, r); |
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} |
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static void checkIAE(Object message, ThrowingRunnable r) { |
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checkWithThrowable(IllegalAccessException.class, message, r); |
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} |
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static void checkWMTE(ThrowingRunnable r) { |
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checkWithThrowable(WrongMethodTypeException.class, null, r); |
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} |
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static void checkWMTE(Object message, ThrowingRunnable r) { |
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checkWithThrowable(WrongMethodTypeException.class, message, r); |
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} |
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static void checkCCE(ThrowingRunnable r) { |
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checkWithThrowable(ClassCastException.class, null, r); |
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} |
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static void checkCCE(Object message, ThrowingRunnable r) { |
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checkWithThrowable(ClassCastException.class, message, r); |
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} |
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static void checkNPE(ThrowingRunnable r) { |
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checkWithThrowable(NullPointerException.class, null, r); |
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} |
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static void checkNPE(Object message, ThrowingRunnable r) { |
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checkWithThrowable(NullPointerException.class, message, r); |
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} |
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static void checkWithThrowable(Class<? extends Throwable> re, |
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Object message, |
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ThrowingRunnable r) { |
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Throwable _e = null; |
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try { |
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r.run(); |
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} |
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catch (Throwable e) { |
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_e = e; |
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} |
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message = message == null ? "" : message + ". "; |
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assertNotNull(_e, String.format("%sNo throwable thrown. Expected %s", message, re)); |
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assertTrue(re.isInstance(_e), String.format("%sIncorrect throwable thrown, %s. Expected %s", message, _e, re)); |
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} |
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enum TestAccessType { |
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GET, |
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SET, |
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COMPARE_AND_SET, |
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COMPARE_AND_EXCHANGE, |
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GET_AND_SET, |
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GET_AND_ADD, |
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GET_AND_BITWISE; |
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} |
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enum TestAccessMode { |
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GET(TestAccessType.GET), |
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SET(TestAccessType.SET), |
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GET_VOLATILE(TestAccessType.GET), |
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SET_VOLATILE(TestAccessType.SET), |
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GET_ACQUIRE(TestAccessType.GET), |
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SET_RELEASE(TestAccessType.SET), |
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GET_OPAQUE(TestAccessType.GET), |
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SET_OPAQUE(TestAccessType.SET), |
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COMPARE_AND_SET(TestAccessType.COMPARE_AND_SET), |
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COMPARE_AND_EXCHANGE(TestAccessType.COMPARE_AND_EXCHANGE), |
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COMPARE_AND_EXCHANGE_ACQUIRE(TestAccessType.COMPARE_AND_EXCHANGE), |
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COMPARE_AND_EXCHANGE_RELEASE(TestAccessType.COMPARE_AND_EXCHANGE), |
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WEAK_COMPARE_AND_SET_PLAIN(TestAccessType.COMPARE_AND_SET), |
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WEAK_COMPARE_AND_SET(TestAccessType.COMPARE_AND_SET), |
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WEAK_COMPARE_AND_SET_ACQUIRE(TestAccessType.COMPARE_AND_SET), |
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WEAK_COMPARE_AND_SET_RELEASE(TestAccessType.COMPARE_AND_SET), |
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GET_AND_SET(TestAccessType.GET_AND_SET), |
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GET_AND_SET_ACQUIRE(TestAccessType.GET_AND_SET), |
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GET_AND_SET_RELEASE(TestAccessType.GET_AND_SET), |
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GET_AND_ADD(TestAccessType.GET_AND_ADD), |
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GET_AND_ADD_ACQUIRE(TestAccessType.GET_AND_ADD), |
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GET_AND_ADD_RELEASE(TestAccessType.GET_AND_ADD), |
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GET_AND_BITWISE_OR(TestAccessType.GET_AND_BITWISE), |
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GET_AND_BITWISE_OR_ACQUIRE(TestAccessType.GET_AND_BITWISE), |
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GET_AND_BITWISE_OR_RELEASE(TestAccessType.GET_AND_BITWISE), |
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GET_AND_BITWISE_AND(TestAccessType.GET_AND_BITWISE), |
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GET_AND_BITWISE_AND_ACQUIRE(TestAccessType.GET_AND_BITWISE), |
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GET_AND_BITWISE_AND_RELEASE(TestAccessType.GET_AND_BITWISE), |
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GET_AND_BITWISE_XOR(TestAccessType.GET_AND_BITWISE), |
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GET_AND_BITWISE_XOR_ACQUIRE(TestAccessType.GET_AND_BITWISE), |
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GET_AND_BITWISE_XOR_RELEASE(TestAccessType.GET_AND_BITWISE), |
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; |
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final TestAccessType at; |
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182 |
final boolean isPolyMorphicInReturnType; |
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183 |
final Class<?> returnType; |
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184 |
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185 |
TestAccessMode(TestAccessType at) { |
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186 |
this.at = at; |
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187 |
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188 |
try { |
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VarHandle.AccessMode vh_am = toAccessMode(); |
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Method m = VarHandle.class.getMethod(vh_am.methodName(), Object[].class); |
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this.returnType = m.getReturnType(); |
192 |
isPolyMorphicInReturnType = returnType != Object.class; |
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193 |
} |
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194 |
catch (Exception e) { |
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195 |
throw new Error(e); |
|
196 |
} |
|
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} |
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198 |
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199 |
boolean isOfType(TestAccessType at) { |
|
200 |
return this.at == at; |
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201 |
} |
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202 |
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203 |
VarHandle.AccessMode toAccessMode() { |
|
204 |
return VarHandle.AccessMode.valueOf(name()); |
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205 |
} |
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206 |
} |
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207 |
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208 |
static List<TestAccessMode> testAccessModes() { |
|
209 |
return Stream.of(TestAccessMode.values()).collect(toList()); |
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210 |
} |
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211 |
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212 |
static List<TestAccessMode> testAccessModesOfType(TestAccessType... ats) { |
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213 |
Stream<TestAccessMode> s = Stream.of(TestAccessMode.values()); |
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return s.filter(e -> Stream.of(ats).anyMatch(e::isOfType)) |
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.collect(toList()); |
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} |
217 |
||
218 |
static List<VarHandle.AccessMode> accessModes() { |
|
219 |
return Stream.of(VarHandle.AccessMode.values()).collect(toList()); |
|
220 |
} |
|
221 |
||
222 |
static List<VarHandle.AccessMode> accessModesOfType(TestAccessType... ats) { |
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223 |
Stream<TestAccessMode> s = Stream.of(TestAccessMode.values()); |
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return s.filter(e -> Stream.of(ats).anyMatch(e::isOfType)) |
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.map(TestAccessMode::toAccessMode) |
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226 |
.collect(toList()); |
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} |
228 |
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229 |
static MethodHandle toMethodHandle(VarHandle vh, TestAccessMode tam, MethodType mt) { |
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230 |
return vh.toMethodHandle(tam.toAccessMode()); |
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231 |
} |
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232 |
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233 |
static MethodHandle findVirtual(VarHandle vh, TestAccessMode tam, MethodType mt) { |
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234 |
MethodHandle mh; |
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235 |
try { |
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236 |
mh = MethodHandles.publicLookup(). |
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237 |
findVirtual(VarHandle.class, |
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238 |
tam.toAccessMode().methodName(), |
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mt); |
240 |
} catch (Exception e) { |
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241 |
throw new RuntimeException(e); |
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242 |
} |
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return bind(vh, mh, mt); |
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} |
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246 |
static MethodHandle varHandleInvoker(VarHandle vh, TestAccessMode tam, MethodType mt) { |
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MethodHandle mh = MethodHandles.varHandleInvoker( |
248 |
tam.toAccessMode(), |
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249 |
mt); |
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250 |
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251 |
return bind(vh, mh, mt); |
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} |
253 |
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254 |
static MethodHandle varHandleExactInvoker(VarHandle vh, TestAccessMode tam, MethodType mt) { |
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MethodHandle mh = MethodHandles.varHandleExactInvoker( |
256 |
tam.toAccessMode(), |
|
257 |
mt); |
|
258 |
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259 |
return bind(vh, mh, mt); |
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} |
261 |
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262 |
private static MethodHandle bind(VarHandle vh, MethodHandle mh, MethodType emt) { |
36934 | 263 |
assertEquals(mh.type(), emt.insertParameterTypes(0, VarHandle.class), |
264 |
"MethodHandle type differs from access mode type"); |
|
265 |
||
266 |
MethodHandleInfo info = MethodHandles.lookup().revealDirect(mh); |
|
267 |
assertEquals(info.getMethodType(), emt, |
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268 |
"MethodHandleInfo method type differs from access mode type"); |
|
269 |
||
270 |
return mh.bindTo(vh); |
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271 |
} |
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272 |
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273 |
private interface TriFunction<T, U, V, R> { |
|
274 |
R apply(T t, U u, V v); |
|
275 |
} |
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276 |
||
277 |
enum VarHandleToMethodHandle { |
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278 |
VAR_HANDLE_TO_METHOD_HANDLE( |
|
279 |
"VarHandle.toMethodHandle", |
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280 |
true, |
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VarHandleBaseTest::toMethodHandle), |
282 |
METHOD_HANDLES_LOOKUP_FIND_VIRTUAL( |
|
283 |
"Lookup.findVirtual", |
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284 |
false, |
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VarHandleBaseTest::findVirtual), |
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286 |
METHOD_HANDLES_VAR_HANDLE_INVOKER( |
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"MethodHandles.varHandleInvoker", |
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false, |
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VarHandleBaseTest::varHandleInvoker), |
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290 |
METHOD_HANDLES_VAR_HANDLE_EXACT_INVOKER( |
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291 |
"MethodHandles.varHandleExactInvoker", |
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292 |
true, |
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VarHandleBaseTest::varHandleExactInvoker); |
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|
295 |
final String desc; |
|
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final boolean isExact; |
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final TriFunction<VarHandle, TestAccessMode, MethodType, MethodHandle> f; |
298 |
||
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299 |
VarHandleToMethodHandle(String desc, boolean isExact, |
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TriFunction<VarHandle, TestAccessMode, MethodType, MethodHandle> f) { |
36934 | 301 |
this.desc = desc; |
302 |
this.f = f; |
|
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this.isExact = isExact; |
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} |
305 |
||
306 |
MethodHandle apply(VarHandle vh, TestAccessMode am, MethodType mt) { |
|
307 |
return f.apply(vh, am, mt); |
|
308 |
} |
|
309 |
||
310 |
@Override |
|
311 |
public String toString() { |
|
312 |
return desc; |
|
313 |
} |
|
314 |
} |
|
315 |
||
316 |
static class Handles { |
|
317 |
static class AccessModeAndType { |
|
318 |
final TestAccessMode tam; |
|
319 |
final MethodType t; |
|
320 |
||
321 |
public AccessModeAndType(TestAccessMode tam, MethodType t) { |
|
322 |
this.tam = tam; |
|
323 |
this.t = t; |
|
324 |
} |
|
325 |
||
326 |
@Override |
|
327 |
public boolean equals(Object o) { |
|
328 |
if (this == o) return true; |
|
329 |
if (o == null || getClass() != o.getClass()) return false; |
|
330 |
||
331 |
AccessModeAndType x = (AccessModeAndType) o; |
|
332 |
||
333 |
if (tam != x.tam) return false; |
|
334 |
if (t != null ? !t.equals(x.t) : x.t != null) return false; |
|
335 |
||
336 |
return true; |
|
337 |
} |
|
338 |
||
339 |
@Override |
|
340 |
public int hashCode() { |
|
341 |
int result = tam != null ? tam.hashCode() : 0; |
|
342 |
result = 31 * result + (t != null ? t.hashCode() : 0); |
|
343 |
return result; |
|
344 |
} |
|
345 |
} |
|
346 |
||
347 |
final VarHandle vh; |
|
348 |
final VarHandleToMethodHandle f; |
|
349 |
final EnumMap<TestAccessMode, MethodType> amToType; |
|
350 |
final Map<AccessModeAndType, MethodHandle> amToHandle; |
|
351 |
||
352 |
Handles(VarHandle vh, VarHandleToMethodHandle f) throws Exception { |
|
353 |
this.vh = vh; |
|
354 |
this.f = f; |
|
355 |
this.amToHandle = new HashMap<>(); |
|
356 |
||
357 |
amToType = new EnumMap<>(TestAccessMode.class); |
|
358 |
for (TestAccessMode am : testAccessModes()) { |
|
359 |
amToType.put(am, vh.accessModeType(am.toAccessMode())); |
|
360 |
} |
|
361 |
} |
|
362 |
||
363 |
MethodHandle get(TestAccessMode am) { |
|
364 |
return get(am, amToType.get(am)); |
|
365 |
} |
|
366 |
||
367 |
MethodHandle get(TestAccessMode am, MethodType mt) { |
|
368 |
AccessModeAndType amt = new AccessModeAndType(am, mt); |
|
369 |
return amToHandle.computeIfAbsent( |
|
370 |
amt, k -> f.apply(vh, am, mt)); |
|
371 |
} |
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372 |
|
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Class<? extends Throwable> getWMTEOOrOther(Class<? extends Throwable> c) { |
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return f.isExact ? WrongMethodTypeException.class : c; |
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} |
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376 |
|
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377 |
void checkWMTEOrCCE(ThrowingRunnable r) { |
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checkWithThrowable(getWMTEOOrOther(ClassCastException.class), null, r); |
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} |
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380 |
|
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} |
382 |
||
383 |
interface AccessTestAction<T> { |
|
384 |
void action(T t) throws Throwable; |
|
385 |
} |
|
386 |
||
387 |
static abstract class AccessTestCase<T> { |
|
388 |
final String desc; |
|
389 |
final AccessTestAction<T> ata; |
|
390 |
final boolean loop; |
|
391 |
||
392 |
AccessTestCase(String desc, AccessTestAction<T> ata, boolean loop) { |
|
393 |
this.desc = desc; |
|
394 |
this.ata = ata; |
|
395 |
this.loop = loop; |
|
396 |
} |
|
397 |
||
398 |
boolean requiresLoop() { |
|
399 |
return loop; |
|
400 |
} |
|
401 |
||
402 |
abstract T get() throws Exception; |
|
403 |
||
404 |
void testAccess(T t) throws Throwable { |
|
405 |
ata.action(t); |
|
406 |
} |
|
407 |
||
408 |
@Override |
|
409 |
public String toString() { |
|
410 |
return desc; |
|
411 |
} |
|
412 |
} |
|
413 |
||
414 |
static class VarHandleAccessTestCase extends AccessTestCase<VarHandle> { |
|
415 |
final VarHandle vh; |
|
416 |
||
417 |
VarHandleAccessTestCase(String desc, VarHandle vh, AccessTestAction<VarHandle> ata) { |
|
418 |
this(desc, vh, ata, true); |
|
419 |
} |
|
420 |
||
421 |
VarHandleAccessTestCase(String desc, VarHandle vh, AccessTestAction<VarHandle> ata, boolean loop) { |
|
422 |
super("VarHandle -> " + desc, ata, loop); |
|
423 |
this.vh = vh; |
|
424 |
} |
|
425 |
||
426 |
@Override |
|
427 |
VarHandle get() { |
|
428 |
return vh; |
|
429 |
} |
|
430 |
} |
|
431 |
||
432 |
static class MethodHandleAccessTestCase extends AccessTestCase<Handles> { |
|
433 |
final VarHandle vh; |
|
434 |
final VarHandleToMethodHandle f; |
|
435 |
||
436 |
MethodHandleAccessTestCase(String desc, VarHandle vh, VarHandleToMethodHandle f, AccessTestAction<Handles> ata) { |
|
437 |
this(desc, vh, f, ata, true); |
|
438 |
} |
|
439 |
||
440 |
MethodHandleAccessTestCase(String desc, VarHandle vh, VarHandleToMethodHandle f, AccessTestAction<Handles> ata, boolean loop) { |
|
441 |
super("VarHandle -> " + f.toString() + " -> " + desc, ata, loop); |
|
442 |
this.vh = vh; |
|
443 |
this.f = f; |
|
444 |
} |
|
445 |
||
446 |
@Override |
|
447 |
Handles get() throws Exception { |
|
448 |
return new Handles(vh, f); |
|
449 |
} |
|
450 |
} |
|
451 |
||
452 |
static void testTypes(VarHandle vh) { |
|
453 |
List<Class<?>> pts = vh.coordinateTypes(); |
|
454 |
||
455 |
for (TestAccessMode accessMode : testAccessModes()) { |
|
456 |
MethodType amt = vh.accessModeType(accessMode.toAccessMode()); |
|
457 |
||
458 |
assertEquals(amt.parameterList().subList(0, pts.size()), pts); |
|
459 |
} |
|
460 |
||
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461 |
for (TestAccessMode testAccessMode : testAccessModesOfType(TestAccessType.GET)) { |
36934 | 462 |
MethodType mt = vh.accessModeType(testAccessMode.toAccessMode()); |
463 |
assertEquals(mt.returnType(), vh.varType()); |
|
464 |
assertEquals(mt.parameterList(), pts); |
|
465 |
} |
|
466 |
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467 |
for (TestAccessMode testAccessMode : testAccessModesOfType(TestAccessType.SET)) { |
36934 | 468 |
MethodType mt = vh.accessModeType(testAccessMode.toAccessMode()); |
469 |
assertEquals(mt.returnType(), void.class); |
|
470 |
assertEquals(mt.parameterType(mt.parameterCount() - 1), vh.varType()); |
|
471 |
} |
|
472 |
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473 |
for (TestAccessMode testAccessMode : testAccessModesOfType(TestAccessType.COMPARE_AND_SET)) { |
36934 | 474 |
MethodType mt = vh.accessModeType(testAccessMode.toAccessMode()); |
475 |
assertEquals(mt.returnType(), boolean.class); |
|
476 |
assertEquals(mt.parameterType(mt.parameterCount() - 1), vh.varType()); |
|
477 |
assertEquals(mt.parameterType(mt.parameterCount() - 2), vh.varType()); |
|
478 |
} |
|
479 |
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480 |
for (TestAccessMode testAccessMode : testAccessModesOfType(TestAccessType.COMPARE_AND_EXCHANGE)) { |
36934 | 481 |
MethodType mt = vh.accessModeType(testAccessMode.toAccessMode()); |
482 |
assertEquals(mt.returnType(), vh.varType()); |
|
483 |
assertEquals(mt.parameterType(mt.parameterCount() - 1), vh.varType()); |
|
484 |
assertEquals(mt.parameterType(mt.parameterCount() - 2), vh.varType()); |
|
485 |
} |
|
486 |
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487 |
for (TestAccessMode testAccessMode : testAccessModesOfType(TestAccessType.GET_AND_SET, TestAccessType.GET_AND_ADD)) { |
36934 | 488 |
MethodType mt = vh.accessModeType(testAccessMode.toAccessMode()); |
489 |
assertEquals(mt.returnType(), vh.varType()); |
|
490 |
assertEquals(mt.parameterType(mt.parameterCount() - 1), vh.varType()); |
|
491 |
} |
|
492 |
} |
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493 |
} |