author | psandoz |
Tue, 17 May 2016 12:06:41 +0200 | |
changeset 38328 | 40435a469d25 |
parent 37719 | add11bc0e6e2 |
child 38368 | c8eb5d6812c5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 2016, 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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interface ThrowingRunnable { |
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void run() throws Throwable; |
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} |
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48 |
static void checkUOE(ThrowingRunnable r) { |
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checkWithThrowable(UnsupportedOperationException.class, null, r); |
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} |
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52 |
static void checkUOE(Object message, ThrowingRunnable r) { |
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checkWithThrowable(UnsupportedOperationException.class, message, r); |
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} |
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56 |
static void checkROBE(ThrowingRunnable r) { |
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checkWithThrowable(ReadOnlyBufferException.class, null, r); |
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} |
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60 |
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 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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80 |
static void checkIAE(ThrowingRunnable r) { |
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checkWithThrowable(IllegalAccessException.class, null, r); |
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} |
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84 |
static void checkIAE(Object message, ThrowingRunnable r) { |
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checkWithThrowable(IllegalAccessException.class, message, r); |
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} |
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88 |
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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} |
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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_VOLATILE(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(TestAccessType.COMPARE_AND_SET), |
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WEAK_COMPARE_AND_SET_VOLATILE(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_ADD(TestAccessType.GET_AND_ADD), |
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ADD_AND_GET(TestAccessType.GET_AND_ADD),; |
36934 | 157 |
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final TestAccessType at; |
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final boolean isPolyMorphicInReturnType; |
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final Class<?> returnType; |
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161 |
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162 |
TestAccessMode(TestAccessType at) { |
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this.at = at; |
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164 |
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165 |
try { |
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VarHandle.AccessMode vh_am = toAccessMode(); |
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Method m = VarHandle.class.getMethod(vh_am.methodName(), Object[].class); |
36934 | 168 |
this.returnType = m.getReturnType(); |
169 |
isPolyMorphicInReturnType = returnType != Object.class; |
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} |
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catch (Exception e) { |
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throw new Error(e); |
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} |
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} |
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175 |
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176 |
boolean isOfType(TestAccessType at) { |
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return this.at == at; |
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178 |
} |
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179 |
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180 |
VarHandle.AccessMode toAccessMode() { |
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return VarHandle.AccessMode.valueOf(name()); |
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} |
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} |
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184 |
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185 |
static List<TestAccessMode> testAccessModes() { |
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return Stream.of(TestAccessMode.values()).collect(toList()); |
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} |
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188 |
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189 |
static List<TestAccessMode> testAccessModesOfType(TestAccessType... ats) { |
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190 |
Stream<TestAccessMode> s = Stream.of(TestAccessMode.values()); |
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for (TestAccessType at : ats) { |
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192 |
s = s.filter(e -> e.isOfType(at)); |
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193 |
} |
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194 |
return s.collect(toList()); |
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195 |
} |
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196 |
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197 |
static List<VarHandle.AccessMode> accessModes() { |
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198 |
return Stream.of(VarHandle.AccessMode.values()).collect(toList()); |
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199 |
} |
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200 |
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201 |
static List<VarHandle.AccessMode> accessModesOfType(TestAccessType... ats) { |
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202 |
Stream<TestAccessMode> s = Stream.of(TestAccessMode.values()); |
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203 |
for (TestAccessType at : ats) { |
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204 |
s = s.filter(e -> e.isOfType(at)); |
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205 |
} |
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206 |
return s.map(TestAccessMode::toAccessMode).collect(toList()); |
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207 |
} |
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208 |
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209 |
static MethodHandle toMethodHandle(VarHandle vh, TestAccessMode tam, MethodType mt) { |
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210 |
return vh.toMethodHandle(tam.toAccessMode()); |
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211 |
} |
|
212 |
||
213 |
static MethodHandle findVirtual(VarHandle vh, TestAccessMode tam, MethodType mt) { |
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214 |
MethodHandle mh; |
|
215 |
try { |
|
216 |
mh = MethodHandles.publicLookup(). |
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217 |
findVirtual(VarHandle.class, |
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tam.toAccessMode().methodName(), |
36934 | 219 |
mt); |
220 |
} catch (Exception e) { |
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221 |
throw new RuntimeException(e); |
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222 |
} |
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return bind(vh, mh, mt); |
36934 | 224 |
} |
225 |
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226 |
static MethodHandle varHandleInvoker(VarHandle vh, TestAccessMode tam, MethodType mt) { |
36934 | 227 |
MethodHandle mh = MethodHandles.varHandleInvoker( |
228 |
tam.toAccessMode(), |
|
229 |
mt); |
|
230 |
||
38328
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231 |
return bind(vh, mh, mt); |
36934 | 232 |
} |
233 |
||
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234 |
static MethodHandle varHandleExactInvoker(VarHandle vh, TestAccessMode tam, MethodType mt) { |
36934 | 235 |
MethodHandle mh = MethodHandles.varHandleExactInvoker( |
236 |
tam.toAccessMode(), |
|
237 |
mt); |
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238 |
||
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239 |
return bind(vh, mh, mt); |
36934 | 240 |
} |
241 |
||
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242 |
private static MethodHandle bind(VarHandle vh, MethodHandle mh, MethodType emt) { |
36934 | 243 |
assertEquals(mh.type(), emt.insertParameterTypes(0, VarHandle.class), |
244 |
"MethodHandle type differs from access mode type"); |
|
245 |
||
246 |
MethodHandleInfo info = MethodHandles.lookup().revealDirect(mh); |
|
247 |
assertEquals(info.getMethodType(), emt, |
|
248 |
"MethodHandleInfo method type differs from access mode type"); |
|
249 |
||
250 |
return mh.bindTo(vh); |
|
251 |
} |
|
252 |
||
253 |
private interface TriFunction<T, U, V, R> { |
|
254 |
R apply(T t, U u, V v); |
|
255 |
} |
|
256 |
||
257 |
enum VarHandleToMethodHandle { |
|
258 |
VAR_HANDLE_TO_METHOD_HANDLE( |
|
259 |
"VarHandle.toMethodHandle", |
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260 |
true, |
36934 | 261 |
VarHandleBaseTest::toMethodHandle), |
262 |
METHOD_HANDLES_LOOKUP_FIND_VIRTUAL( |
|
263 |
"Lookup.findVirtual", |
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264 |
false, |
36934 | 265 |
VarHandleBaseTest::findVirtual), |
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266 |
METHOD_HANDLES_VAR_HANDLE_INVOKER( |
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267 |
"MethodHandles.varHandleInvoker", |
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268 |
false, |
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269 |
VarHandleBaseTest::varHandleInvoker), |
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|
270 |
METHOD_HANDLES_VAR_HANDLE_EXACT_INVOKER( |
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271 |
"MethodHandles.varHandleExactInvoker", |
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272 |
true, |
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273 |
VarHandleBaseTest::varHandleExactInvoker); |
36934 | 274 |
|
275 |
final String desc; |
|
38328
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|
276 |
final boolean isExact; |
36934 | 277 |
final TriFunction<VarHandle, TestAccessMode, MethodType, MethodHandle> f; |
278 |
||
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|
279 |
VarHandleToMethodHandle(String desc, boolean isExact, |
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|
280 |
TriFunction<VarHandle, TestAccessMode, MethodType, MethodHandle> f) { |
36934 | 281 |
this.desc = desc; |
282 |
this.f = f; |
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|
283 |
this.isExact = isExact; |
36934 | 284 |
} |
285 |
||
286 |
MethodHandle apply(VarHandle vh, TestAccessMode am, MethodType mt) { |
|
287 |
return f.apply(vh, am, mt); |
|
288 |
} |
|
289 |
||
290 |
@Override |
|
291 |
public String toString() { |
|
292 |
return desc; |
|
293 |
} |
|
294 |
} |
|
295 |
||
296 |
static class Handles { |
|
297 |
static class AccessModeAndType { |
|
298 |
final TestAccessMode tam; |
|
299 |
final MethodType t; |
|
300 |
||
301 |
public AccessModeAndType(TestAccessMode tam, MethodType t) { |
|
302 |
this.tam = tam; |
|
303 |
this.t = t; |
|
304 |
} |
|
305 |
||
306 |
@Override |
|
307 |
public boolean equals(Object o) { |
|
308 |
if (this == o) return true; |
|
309 |
if (o == null || getClass() != o.getClass()) return false; |
|
310 |
||
311 |
AccessModeAndType x = (AccessModeAndType) o; |
|
312 |
||
313 |
if (tam != x.tam) return false; |
|
314 |
if (t != null ? !t.equals(x.t) : x.t != null) return false; |
|
315 |
||
316 |
return true; |
|
317 |
} |
|
318 |
||
319 |
@Override |
|
320 |
public int hashCode() { |
|
321 |
int result = tam != null ? tam.hashCode() : 0; |
|
322 |
result = 31 * result + (t != null ? t.hashCode() : 0); |
|
323 |
return result; |
|
324 |
} |
|
325 |
} |
|
326 |
||
327 |
final VarHandle vh; |
|
328 |
final VarHandleToMethodHandle f; |
|
329 |
final EnumMap<TestAccessMode, MethodType> amToType; |
|
330 |
final Map<AccessModeAndType, MethodHandle> amToHandle; |
|
331 |
||
332 |
Handles(VarHandle vh, VarHandleToMethodHandle f) throws Exception { |
|
333 |
this.vh = vh; |
|
334 |
this.f = f; |
|
335 |
this.amToHandle = new HashMap<>(); |
|
336 |
||
337 |
amToType = new EnumMap<>(TestAccessMode.class); |
|
338 |
for (TestAccessMode am : testAccessModes()) { |
|
339 |
amToType.put(am, vh.accessModeType(am.toAccessMode())); |
|
340 |
} |
|
341 |
} |
|
342 |
||
343 |
MethodHandle get(TestAccessMode am) { |
|
344 |
return get(am, amToType.get(am)); |
|
345 |
} |
|
346 |
||
347 |
MethodHandle get(TestAccessMode am, MethodType mt) { |
|
348 |
AccessModeAndType amt = new AccessModeAndType(am, mt); |
|
349 |
return amToHandle.computeIfAbsent( |
|
350 |
amt, k -> f.apply(vh, am, mt)); |
|
351 |
} |
|
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352 |
|
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353 |
Class<? extends Throwable> getWMTEOOrOther(Class<? extends Throwable> c) { |
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354 |
return f.isExact ? WrongMethodTypeException.class : c; |
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|
355 |
} |
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changeset
|
356 |
|
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357 |
void checkWMTEOrCCE(ThrowingRunnable r) { |
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changeset
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358 |
checkWithThrowable(getWMTEOOrOther(ClassCastException.class), null, r); |
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|
359 |
} |
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360 |
|
36934 | 361 |
} |
362 |
||
363 |
interface AccessTestAction<T> { |
|
364 |
void action(T t) throws Throwable; |
|
365 |
} |
|
366 |
||
367 |
static abstract class AccessTestCase<T> { |
|
368 |
final String desc; |
|
369 |
final AccessTestAction<T> ata; |
|
370 |
final boolean loop; |
|
371 |
||
372 |
AccessTestCase(String desc, AccessTestAction<T> ata, boolean loop) { |
|
373 |
this.desc = desc; |
|
374 |
this.ata = ata; |
|
375 |
this.loop = loop; |
|
376 |
} |
|
377 |
||
378 |
boolean requiresLoop() { |
|
379 |
return loop; |
|
380 |
} |
|
381 |
||
382 |
abstract T get() throws Exception; |
|
383 |
||
384 |
void testAccess(T t) throws Throwable { |
|
385 |
ata.action(t); |
|
386 |
} |
|
387 |
||
388 |
@Override |
|
389 |
public String toString() { |
|
390 |
return desc; |
|
391 |
} |
|
392 |
} |
|
393 |
||
394 |
static class VarHandleAccessTestCase extends AccessTestCase<VarHandle> { |
|
395 |
final VarHandle vh; |
|
396 |
||
397 |
VarHandleAccessTestCase(String desc, VarHandle vh, AccessTestAction<VarHandle> ata) { |
|
398 |
this(desc, vh, ata, true); |
|
399 |
} |
|
400 |
||
401 |
VarHandleAccessTestCase(String desc, VarHandle vh, AccessTestAction<VarHandle> ata, boolean loop) { |
|
402 |
super("VarHandle -> " + desc, ata, loop); |
|
403 |
this.vh = vh; |
|
404 |
} |
|
405 |
||
406 |
@Override |
|
407 |
VarHandle get() { |
|
408 |
return vh; |
|
409 |
} |
|
410 |
} |
|
411 |
||
412 |
static class MethodHandleAccessTestCase extends AccessTestCase<Handles> { |
|
413 |
final VarHandle vh; |
|
414 |
final VarHandleToMethodHandle f; |
|
415 |
||
416 |
MethodHandleAccessTestCase(String desc, VarHandle vh, VarHandleToMethodHandle f, AccessTestAction<Handles> ata) { |
|
417 |
this(desc, vh, f, ata, true); |
|
418 |
} |
|
419 |
||
420 |
MethodHandleAccessTestCase(String desc, VarHandle vh, VarHandleToMethodHandle f, AccessTestAction<Handles> ata, boolean loop) { |
|
421 |
super("VarHandle -> " + f.toString() + " -> " + desc, ata, loop); |
|
422 |
this.vh = vh; |
|
423 |
this.f = f; |
|
424 |
} |
|
425 |
||
426 |
@Override |
|
427 |
Handles get() throws Exception { |
|
428 |
return new Handles(vh, f); |
|
429 |
} |
|
430 |
} |
|
431 |
||
432 |
static void testTypes(VarHandle vh) { |
|
433 |
List<Class<?>> pts = vh.coordinateTypes(); |
|
434 |
||
435 |
for (TestAccessMode accessMode : testAccessModes()) { |
|
436 |
MethodType amt = vh.accessModeType(accessMode.toAccessMode()); |
|
437 |
||
438 |
assertEquals(amt.parameterList().subList(0, pts.size()), pts); |
|
439 |
} |
|
440 |
||
37343
35a2231828a7
8151705: VarHandle.AccessMode enum names should conform to code style
psandoz
parents:
36934
diff
changeset
|
441 |
for (TestAccessMode testAccessMode : testAccessModesOfType(TestAccessType.GET)) { |
36934 | 442 |
MethodType mt = vh.accessModeType(testAccessMode.toAccessMode()); |
443 |
assertEquals(mt.returnType(), vh.varType()); |
|
444 |
assertEquals(mt.parameterList(), pts); |
|
445 |
} |
|
446 |
||
37343
35a2231828a7
8151705: VarHandle.AccessMode enum names should conform to code style
psandoz
parents:
36934
diff
changeset
|
447 |
for (TestAccessMode testAccessMode : testAccessModesOfType(TestAccessType.SET)) { |
36934 | 448 |
MethodType mt = vh.accessModeType(testAccessMode.toAccessMode()); |
449 |
assertEquals(mt.returnType(), void.class); |
|
450 |
assertEquals(mt.parameterType(mt.parameterCount() - 1), vh.varType()); |
|
451 |
} |
|
452 |
||
37343
35a2231828a7
8151705: VarHandle.AccessMode enum names should conform to code style
psandoz
parents:
36934
diff
changeset
|
453 |
for (TestAccessMode testAccessMode : testAccessModesOfType(TestAccessType.COMPARE_AND_SET)) { |
36934 | 454 |
MethodType mt = vh.accessModeType(testAccessMode.toAccessMode()); |
455 |
assertEquals(mt.returnType(), boolean.class); |
|
456 |
assertEquals(mt.parameterType(mt.parameterCount() - 1), vh.varType()); |
|
457 |
assertEquals(mt.parameterType(mt.parameterCount() - 2), vh.varType()); |
|
458 |
} |
|
459 |
||
37343
35a2231828a7
8151705: VarHandle.AccessMode enum names should conform to code style
psandoz
parents:
36934
diff
changeset
|
460 |
for (TestAccessMode testAccessMode : testAccessModesOfType(TestAccessType.COMPARE_AND_EXCHANGE)) { |
36934 | 461 |
MethodType mt = vh.accessModeType(testAccessMode.toAccessMode()); |
462 |
assertEquals(mt.returnType(), vh.varType()); |
|
463 |
assertEquals(mt.parameterType(mt.parameterCount() - 1), vh.varType()); |
|
464 |
assertEquals(mt.parameterType(mt.parameterCount() - 2), vh.varType()); |
|
465 |
} |
|
466 |
||
37343
35a2231828a7
8151705: VarHandle.AccessMode enum names should conform to code style
psandoz
parents:
36934
diff
changeset
|
467 |
for (TestAccessMode testAccessMode : testAccessModesOfType(TestAccessType.GET_AND_SET, TestAccessType.GET_AND_ADD)) { |
36934 | 468 |
MethodType mt = vh.accessModeType(testAccessMode.toAccessMode()); |
469 |
assertEquals(mt.returnType(), vh.varType()); |
|
470 |
assertEquals(mt.parameterType(mt.parameterCount() - 1), vh.varType()); |
|
471 |
} |
|
472 |
} |
|
473 |
} |