/* * Copyright (c) 2015, 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 * @run testng/othervm -Diters=10 -Xint VarHandleTestAccess$Type$ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 VarHandleTestAccess$Type$ * @run testng/othervm -Diters=20000 VarHandleTestAccess$Type$ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation VarHandleTestAccess$Type$ */ import org.testng.annotations.BeforeClass; import org.testng.annotations.DataProvider; import org.testng.annotations.Test; import java.lang.invoke.MethodHandles; import java.lang.invoke.VarHandle; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import static org.testng.Assert.*; public class VarHandleTestAccess$Type$ extends VarHandleBaseTest { static final $type$ static_final_v = $value1$; static $type$ static_v; final $type$ final_v = $value1$; $type$ v; VarHandle vhFinalField; VarHandle vhField; VarHandle vhStaticField; VarHandle vhStaticFinalField; VarHandle vhArray; @BeforeClass public void setup() throws Exception { vhFinalField = MethodHandles.lookup().findVarHandle( VarHandleTestAccess$Type$.class, "final_v", $type$.class); vhField = MethodHandles.lookup().findVarHandle( VarHandleTestAccess$Type$.class, "v", $type$.class); vhStaticFinalField = MethodHandles.lookup().findStaticVarHandle( VarHandleTestAccess$Type$.class, "static_final_v", $type$.class); vhStaticField = MethodHandles.lookup().findStaticVarHandle( VarHandleTestAccess$Type$.class, "static_v", $type$.class); vhArray = MethodHandles.arrayElementVarHandle($type$[].class); } @DataProvider public Object[][] varHandlesProvider() throws Exception { List vhs = new ArrayList<>(); vhs.add(vhField); vhs.add(vhStaticField); vhs.add(vhArray); return vhs.stream().map(tc -> new Object[]{tc}).toArray(Object[][]::new); } @Test(dataProvider = "varHandlesProvider") public void testIsAccessModeSupported(VarHandle vh) { assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_VOLATILE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_VOLATILE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_ACQUIRE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_RELEASE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_OPAQUE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_OPAQUE)); #if[CAS] assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_SET)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_VOLATILE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_ACQUIRE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_RELEASE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_ACQUIRE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_RELEASE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET)); #else[CAS] assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_SET)); assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_VOLATILE)); assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_ACQUIRE)); assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_RELEASE)); assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET)); assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_ACQUIRE)); assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_RELEASE)); assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET)); #end[CAS] #if[AtomicAdd] assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.ADD_AND_GET)); #else[AtomicAdd] assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD)); assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.ADD_AND_GET)); #end[AtomicAdd] } @DataProvider public Object[][] typesProvider() throws Exception { List types = new ArrayList<>(); types.add(new Object[] {vhField, Arrays.asList(VarHandleTestAccess$Type$.class)}); types.add(new Object[] {vhStaticField, Arrays.asList()}); types.add(new Object[] {vhArray, Arrays.asList($type$[].class, int.class)}); return types.stream().toArray(Object[][]::new); } @Test(dataProvider = "typesProvider") public void testTypes(VarHandle vh, List> pts) { assertEquals(vh.varType(), $type$.class); assertEquals(vh.coordinateTypes(), pts); testTypes(vh); } @Test public void testLookupInstanceToStatic() { checkIAE("Lookup of static final field to instance final field", () -> { MethodHandles.lookup().findStaticVarHandle( VarHandleTestAccess$Type$.class, "final_v", $type$.class); }); checkIAE("Lookup of static field to instance field", () -> { MethodHandles.lookup().findStaticVarHandle( VarHandleTestAccess$Type$.class, "v", $type$.class); }); } @Test public void testLookupStaticToInstance() { checkIAE("Lookup of instance final field to static final field", () -> { MethodHandles.lookup().findVarHandle( VarHandleTestAccess$Type$.class, "static_final_v", $type$.class); }); checkIAE("Lookup of instance field to static field", () -> { vhStaticField = MethodHandles.lookup().findVarHandle( VarHandleTestAccess$Type$.class, "static_v", $type$.class); }); } @DataProvider public Object[][] accessTestCaseProvider() throws Exception { List> cases = new ArrayList<>(); cases.add(new VarHandleAccessTestCase("Instance final field", vhFinalField, vh -> testInstanceFinalField(this, vh))); cases.add(new VarHandleAccessTestCase("Instance final field unsupported", vhFinalField, vh -> testInstanceFinalFieldUnsupported(this, vh), false)); cases.add(new VarHandleAccessTestCase("Static final field", vhStaticFinalField, VarHandleTestAccess$Type$::testStaticFinalField)); cases.add(new VarHandleAccessTestCase("Static final field unsupported", vhStaticFinalField, VarHandleTestAccess$Type$::testStaticFinalFieldUnsupported, false)); cases.add(new VarHandleAccessTestCase("Instance field", vhField, vh -> testInstanceField(this, vh))); cases.add(new VarHandleAccessTestCase("Instance field unsupported", vhField, vh -> testInstanceFieldUnsupported(this, vh), false)); cases.add(new VarHandleAccessTestCase("Static field", vhStaticField, VarHandleTestAccess$Type$::testStaticField)); cases.add(new VarHandleAccessTestCase("Static field unsupported", vhStaticField, VarHandleTestAccess$Type$::testStaticFieldUnsupported, false)); cases.add(new VarHandleAccessTestCase("Array", vhArray, VarHandleTestAccess$Type$::testArray)); cases.add(new VarHandleAccessTestCase("Array unsupported", vhArray, VarHandleTestAccess$Type$::testArrayUnsupported, false)); cases.add(new VarHandleAccessTestCase("Array index out of bounds", vhArray, VarHandleTestAccess$Type$::testArrayIndexOutOfBounds, false)); // Work around issue with jtreg summary reporting which truncates // the String result of Object.toString to 30 characters, hence // the first dummy argument return cases.stream().map(tc -> new Object[]{tc.toString(), tc}).toArray(Object[][]::new); } @Test(dataProvider = "accessTestCaseProvider") public void testAccess(String desc, AccessTestCase atc) throws Throwable { T t = atc.get(); int iters = atc.requiresLoop() ? ITERS : 1; for (int c = 0; c < iters; c++) { atc.testAccess(t); } } static void testInstanceFinalField(VarHandleTestAccess$Type$ recv, VarHandle vh) { // Plain { $type$ x = ($type$) vh.get(recv); assertEquals(x, $value1$, "get $type$ value"); } // Volatile { $type$ x = ($type$) vh.getVolatile(recv); assertEquals(x, $value1$, "getVolatile $type$ value"); } // Lazy { $type$ x = ($type$) vh.getAcquire(recv); assertEquals(x, $value1$, "getRelease $type$ value"); } // Opaque { $type$ x = ($type$) vh.getOpaque(recv); assertEquals(x, $value1$, "getOpaque $type$ value"); } } static void testInstanceFinalFieldUnsupported(VarHandleTestAccess$Type$ recv, VarHandle vh) { checkUOE(() -> { vh.set(recv, $value2$); }); checkUOE(() -> { vh.setVolatile(recv, $value2$); }); checkUOE(() -> { vh.setRelease(recv, $value2$); }); checkUOE(() -> { vh.setOpaque(recv, $value2$); }); #if[!CAS] checkUOE(() -> { boolean r = vh.compareAndSet(recv, $value1$, $value2$); }); checkUOE(() -> { $type$ r = ($type$) vh.compareAndExchangeVolatile(recv, $value1$, $value2$); }); checkUOE(() -> { $type$ r = ($type$) vh.compareAndExchangeAcquire(recv, $value1$, $value2$); }); checkUOE(() -> { $type$ r = ($type$) vh.compareAndExchangeRelease(recv, $value1$, $value2$); }); checkUOE(() -> { boolean r = vh.weakCompareAndSet(recv, $value1$, $value2$); }); checkUOE(() -> { boolean r = vh.weakCompareAndSetAcquire(recv, $value1$, $value2$); }); checkUOE(() -> { boolean r = vh.weakCompareAndSetRelease(recv, $value1$, $value2$); }); #end[CAS] #if[!AtomicAdd] checkUOE(() -> { $type$ o = ($type$) vh.getAndAdd(recv, $value1$); }); checkUOE(() -> { $type$ o = ($type$) vh.addAndGet(recv, $value1$); }); #end[AtomicAdd] } static void testStaticFinalField(VarHandle vh) { // Plain { $type$ x = ($type$) vh.get(); assertEquals(x, $value1$, "get $type$ value"); } // Volatile { $type$ x = ($type$) vh.getVolatile(); assertEquals(x, $value1$, "getVolatile $type$ value"); } // Lazy { $type$ x = ($type$) vh.getAcquire(); assertEquals(x, $value1$, "getRelease $type$ value"); } // Opaque { $type$ x = ($type$) vh.getOpaque(); assertEquals(x, $value1$, "getOpaque $type$ value"); } } static void testStaticFinalFieldUnsupported(VarHandle vh) { checkUOE(() -> { vh.set($value2$); }); checkUOE(() -> { vh.setVolatile($value2$); }); checkUOE(() -> { vh.setRelease($value2$); }); checkUOE(() -> { vh.setOpaque($value2$); }); #if[!CAS] checkUOE(() -> { boolean r = vh.compareAndSet($value1$, $value2$); }); checkUOE(() -> { $type$ r = ($type$) vh.compareAndExchangeVolatile($value1$, $value2$); }); checkUOE(() -> { $type$ r = ($type$) vh.compareAndExchangeAcquire($value1$, $value2$); }); checkUOE(() -> { $type$ r = ($type$) vh.compareAndExchangeRelease($value1$, $value2$); }); checkUOE(() -> { boolean r = vh.weakCompareAndSet($value1$, $value2$); }); checkUOE(() -> { boolean r = vh.weakCompareAndSetAcquire($value1$, $value2$); }); checkUOE(() -> { boolean r = vh.weakCompareAndSetRelease($value1$, $value2$); }); #end[CAS] #if[!AtomicAdd] checkUOE(() -> { $type$ o = ($type$) vh.getAndAdd($value1$); }); checkUOE(() -> { $type$ o = ($type$) vh.addAndGet($value1$); }); #end[AtomicAdd] } static void testInstanceField(VarHandleTestAccess$Type$ recv, VarHandle vh) { // Plain { vh.set(recv, $value1$); $type$ x = ($type$) vh.get(recv); assertEquals(x, $value1$, "set $type$ value"); } // Volatile { vh.setVolatile(recv, $value2$); $type$ x = ($type$) vh.getVolatile(recv); assertEquals(x, $value2$, "setVolatile $type$ value"); } // Lazy { vh.setRelease(recv, $value1$); $type$ x = ($type$) vh.getAcquire(recv); assertEquals(x, $value1$, "setRelease $type$ value"); } // Opaque { vh.setOpaque(recv, $value2$); $type$ x = ($type$) vh.getOpaque(recv); assertEquals(x, $value2$, "setOpaque $type$ value"); } #if[CAS] vh.set(recv, $value1$); // Compare { boolean r = vh.compareAndSet(recv, $value1$, $value2$); assertEquals(r, true, "success compareAndSet $type$"); $type$ x = ($type$) vh.get(recv); assertEquals(x, $value2$, "success compareAndSet $type$ value"); } { boolean r = vh.compareAndSet(recv, $value1$, $value3$); assertEquals(r, false, "failing compareAndSet $type$"); $type$ x = ($type$) vh.get(recv); assertEquals(x, $value2$, "failing compareAndSet $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeVolatile(recv, $value2$, $value1$); assertEquals(r, $value2$, "success compareAndExchangeVolatile $type$"); $type$ x = ($type$) vh.get(recv); assertEquals(x, $value1$, "success compareAndExchangeVolatile $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeVolatile(recv, $value2$, $value3$); assertEquals(r, $value1$, "failing compareAndExchangeVolatile $type$"); $type$ x = ($type$) vh.get(recv); assertEquals(x, $value1$, "failing compareAndExchangeVolatile $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeAcquire(recv, $value1$, $value2$); assertEquals(r, $value1$, "success compareAndExchangeAcquire $type$"); $type$ x = ($type$) vh.get(recv); assertEquals(x, $value2$, "success compareAndExchangeAcquire $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeAcquire(recv, $value1$, $value3$); assertEquals(r, $value2$, "failing compareAndExchangeAcquire $type$"); $type$ x = ($type$) vh.get(recv); assertEquals(x, $value2$, "failing compareAndExchangeAcquire $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeRelease(recv, $value2$, $value1$); assertEquals(r, $value2$, "success compareAndExchangeRelease $type$"); $type$ x = ($type$) vh.get(recv); assertEquals(x, $value1$, "success compareAndExchangeRelease $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeRelease(recv, $value2$, $value3$); assertEquals(r, $value1$, "failing compareAndExchangeRelease $type$"); $type$ x = ($type$) vh.get(recv); assertEquals(x, $value1$, "failing compareAndExchangeRelease $type$ value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSet(recv, $value1$, $value2$); } assertEquals(success, true, "weakCompareAndSet $type$"); $type$ x = ($type$) vh.get(recv); assertEquals(x, $value2$, "weakCompareAndSet $type$ value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetAcquire(recv, $value2$, $value1$); } assertEquals(success, true, "weakCompareAndSetAcquire $type$"); $type$ x = ($type$) vh.get(recv); assertEquals(x, $value1$, "weakCompareAndSetAcquire $type$"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetRelease(recv, $value1$, $value2$); } assertEquals(success, true, "weakCompareAndSetRelease $type$"); $type$ x = ($type$) vh.get(recv); assertEquals(x, $value2$, "weakCompareAndSetRelease $type$"); } // Compare set and get { $type$ o = ($type$) vh.getAndSet(recv, $value1$); assertEquals(o, $value2$, "getAndSet $type$"); $type$ x = ($type$) vh.get(recv); assertEquals(x, $value1$, "getAndSet $type$ value"); } #end[CAS] #if[AtomicAdd] vh.set(recv, $value1$); // get and add, add and get { $type$ o = ($type$) vh.getAndAdd(recv, $value3$); assertEquals(o, $value1$, "getAndAdd $type$"); $type$ c = ($type$) vh.addAndGet(recv, $value3$); assertEquals(c, $value1$ + $value3$ + $value3$, "getAndAdd $type$ value"); } #end[AtomicAdd] } static void testInstanceFieldUnsupported(VarHandleTestAccess$Type$ recv, VarHandle vh) { #if[!CAS] checkUOE(() -> { boolean r = vh.compareAndSet(recv, $value1$, $value2$); }); checkUOE(() -> { $type$ r = ($type$) vh.compareAndExchangeVolatile(recv, $value1$, $value2$); }); checkUOE(() -> { $type$ r = ($type$) vh.compareAndExchangeAcquire(recv, $value1$, $value2$); }); checkUOE(() -> { $type$ r = ($type$) vh.compareAndExchangeRelease(recv, $value1$, $value2$); }); checkUOE(() -> { boolean r = vh.weakCompareAndSet(recv, $value1$, $value2$); }); checkUOE(() -> { boolean r = vh.weakCompareAndSetAcquire(recv, $value1$, $value2$); }); checkUOE(() -> { boolean r = vh.weakCompareAndSetRelease(recv, $value1$, $value2$); }); #end[CAS] #if[!AtomicAdd] checkUOE(() -> { $type$ o = ($type$) vh.getAndAdd(recv, $value1$); }); checkUOE(() -> { $type$ o = ($type$) vh.addAndGet(recv, $value1$); }); #end[AtomicAdd] } static void testStaticField(VarHandle vh) { // Plain { vh.set($value1$); $type$ x = ($type$) vh.get(); assertEquals(x, $value1$, "set $type$ value"); } // Volatile { vh.setVolatile($value2$); $type$ x = ($type$) vh.getVolatile(); assertEquals(x, $value2$, "setVolatile $type$ value"); } // Lazy { vh.setRelease($value1$); $type$ x = ($type$) vh.getAcquire(); assertEquals(x, $value1$, "setRelease $type$ value"); } // Opaque { vh.setOpaque($value2$); $type$ x = ($type$) vh.getOpaque(); assertEquals(x, $value2$, "setOpaque $type$ value"); } #if[CAS] vh.set($value1$); // Compare { boolean r = vh.compareAndSet($value1$, $value2$); assertEquals(r, true, "success compareAndSet $type$"); $type$ x = ($type$) vh.get(); assertEquals(x, $value2$, "success compareAndSet $type$ value"); } { boolean r = vh.compareAndSet($value1$, $value3$); assertEquals(r, false, "failing compareAndSet $type$"); $type$ x = ($type$) vh.get(); assertEquals(x, $value2$, "failing compareAndSet $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeVolatile($value2$, $value1$); assertEquals(r, $value2$, "success compareAndExchangeVolatile $type$"); $type$ x = ($type$) vh.get(); assertEquals(x, $value1$, "success compareAndExchangeVolatile $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeVolatile($value2$, $value3$); assertEquals(r, $value1$, "failing compareAndExchangeVolatile $type$"); $type$ x = ($type$) vh.get(); assertEquals(x, $value1$, "failing compareAndExchangeVolatile $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeAcquire($value1$, $value2$); assertEquals(r, $value1$, "success compareAndExchangeAcquire $type$"); $type$ x = ($type$) vh.get(); assertEquals(x, $value2$, "success compareAndExchangeAcquire $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeAcquire($value1$, $value3$); assertEquals(r, $value2$, "failing compareAndExchangeAcquire $type$"); $type$ x = ($type$) vh.get(); assertEquals(x, $value2$, "failing compareAndExchangeAcquire $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeRelease($value2$, $value1$); assertEquals(r, $value2$, "success compareAndExchangeRelease $type$"); $type$ x = ($type$) vh.get(); assertEquals(x, $value1$, "success compareAndExchangeRelease $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeRelease($value2$, $value3$); assertEquals(r, $value1$, "failing compareAndExchangeRelease $type$"); $type$ x = ($type$) vh.get(); assertEquals(x, $value1$, "failing compareAndExchangeRelease $type$ value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSet($value1$, $value2$); } assertEquals(success, true, "weakCompareAndSet $type$"); $type$ x = ($type$) vh.get(); assertEquals(x, $value2$, "weakCompareAndSet $type$ value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetAcquire($value2$, $value1$); } assertEquals(success, true, "weakCompareAndSetAcquire $type$"); $type$ x = ($type$) vh.get(); assertEquals(x, $value1$, "weakCompareAndSetAcquire $type$"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetRelease($value1$, $value2$); } assertEquals(success, true, "weakCompareAndSetRelease $type$"); $type$ x = ($type$) vh.get(); assertEquals(x, $value2$, "weakCompareAndSetRelease $type$"); } // Compare set and get { $type$ o = ($type$) vh.getAndSet( $value1$); assertEquals(o, $value2$, "getAndSet $type$"); $type$ x = ($type$) vh.get(); assertEquals(x, $value1$, "getAndSet $type$ value"); } #end[CAS] #if[AtomicAdd] vh.set($value1$); // get and add, add and get { $type$ o = ($type$) vh.getAndAdd( $value3$); assertEquals(o, $value1$, "getAndAdd $type$"); $type$ c = ($type$) vh.addAndGet($value3$); assertEquals(c, $value1$ + $value3$ + $value3$, "getAndAdd $type$ value"); } #end[AtomicAdd] } static void testStaticFieldUnsupported(VarHandle vh) { #if[!CAS] checkUOE(() -> { boolean r = vh.compareAndSet($value1$, $value2$); }); checkUOE(() -> { $type$ r = ($type$) vh.compareAndExchangeVolatile($value1$, $value2$); }); checkUOE(() -> { $type$ r = ($type$) vh.compareAndExchangeAcquire($value1$, $value2$); }); checkUOE(() -> { $type$ r = ($type$) vh.compareAndExchangeRelease($value1$, $value2$); }); checkUOE(() -> { boolean r = vh.weakCompareAndSet($value1$, $value2$); }); checkUOE(() -> { boolean r = vh.weakCompareAndSetAcquire($value1$, $value2$); }); checkUOE(() -> { boolean r = vh.weakCompareAndSetRelease($value1$, $value2$); }); #end[CAS] #if[!AtomicAdd] checkUOE(() -> { $type$ o = ($type$) vh.getAndAdd($value1$); }); checkUOE(() -> { $type$ o = ($type$) vh.addAndGet($value1$); }); #end[AtomicAdd] } static void testArray(VarHandle vh) { $type$[] array = new $type$[10]; for (int i = 0; i < array.length; i++) { // Plain { vh.set(array, i, $value1$); $type$ x = ($type$) vh.get(array, i); assertEquals(x, $value1$, "get $type$ value"); } // Volatile { vh.setVolatile(array, i, $value2$); $type$ x = ($type$) vh.getVolatile(array, i); assertEquals(x, $value2$, "setVolatile $type$ value"); } // Lazy { vh.setRelease(array, i, $value1$); $type$ x = ($type$) vh.getAcquire(array, i); assertEquals(x, $value1$, "setRelease $type$ value"); } // Opaque { vh.setOpaque(array, i, $value2$); $type$ x = ($type$) vh.getOpaque(array, i); assertEquals(x, $value2$, "setOpaque $type$ value"); } #if[CAS] vh.set(array, i, $value1$); // Compare { boolean r = vh.compareAndSet(array, i, $value1$, $value2$); assertEquals(r, true, "success compareAndSet $type$"); $type$ x = ($type$) vh.get(array, i); assertEquals(x, $value2$, "success compareAndSet $type$ value"); } { boolean r = vh.compareAndSet(array, i, $value1$, $value3$); assertEquals(r, false, "failing compareAndSet $type$"); $type$ x = ($type$) vh.get(array, i); assertEquals(x, $value2$, "failing compareAndSet $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeVolatile(array, i, $value2$, $value1$); assertEquals(r, $value2$, "success compareAndExchangeVolatile $type$"); $type$ x = ($type$) vh.get(array, i); assertEquals(x, $value1$, "success compareAndExchangeVolatile $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeVolatile(array, i, $value2$, $value3$); assertEquals(r, $value1$, "failing compareAndExchangeVolatile $type$"); $type$ x = ($type$) vh.get(array, i); assertEquals(x, $value1$, "failing compareAndExchangeVolatile $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeAcquire(array, i, $value1$, $value2$); assertEquals(r, $value1$, "success compareAndExchangeAcquire $type$"); $type$ x = ($type$) vh.get(array, i); assertEquals(x, $value2$, "success compareAndExchangeAcquire $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeAcquire(array, i, $value1$, $value3$); assertEquals(r, $value2$, "failing compareAndExchangeAcquire $type$"); $type$ x = ($type$) vh.get(array, i); assertEquals(x, $value2$, "failing compareAndExchangeAcquire $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeRelease(array, i, $value2$, $value1$); assertEquals(r, $value2$, "success compareAndExchangeRelease $type$"); $type$ x = ($type$) vh.get(array, i); assertEquals(x, $value1$, "success compareAndExchangeRelease $type$ value"); } { $type$ r = ($type$) vh.compareAndExchangeRelease(array, i, $value2$, $value3$); assertEquals(r, $value1$, "failing compareAndExchangeRelease $type$"); $type$ x = ($type$) vh.get(array, i); assertEquals(x, $value1$, "failing compareAndExchangeRelease $type$ value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSet(array, i, $value1$, $value2$); } assertEquals(success, true, "weakCompareAndSet $type$"); $type$ x = ($type$) vh.get(array, i); assertEquals(x, $value2$, "weakCompareAndSet $type$ value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetAcquire(array, i, $value2$, $value1$); } assertEquals(success, true, "weakCompareAndSetAcquire $type$"); $type$ x = ($type$) vh.get(array, i); assertEquals(x, $value1$, "weakCompareAndSetAcquire $type$"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetRelease(array, i, $value1$, $value2$); } assertEquals(success, true, "weakCompareAndSetRelease $type$"); $type$ x = ($type$) vh.get(array, i); assertEquals(x, $value2$, "weakCompareAndSetRelease $type$"); } // Compare set and get { $type$ o = ($type$) vh.getAndSet(array, i, $value1$); assertEquals(o, $value2$, "getAndSet $type$"); $type$ x = ($type$) vh.get(array, i); assertEquals(x, $value1$, "getAndSet $type$ value"); } #end[CAS] #if[AtomicAdd] vh.set(array, i, $value1$); // get and add, add and get { $type$ o = ($type$) vh.getAndAdd(array, i, $value3$); assertEquals(o, $value1$, "getAndAdd $type$"); $type$ c = ($type$) vh.addAndGet(array, i, $value3$); assertEquals(c, $value1$ + $value3$ + $value3$, "getAndAdd $type$ value"); } #end[AtomicAdd] } } static void testArrayUnsupported(VarHandle vh) { $type$[] array = new $type$[10]; int i = 0; #if[!CAS] checkUOE(() -> { boolean r = vh.compareAndSet(array, i, $value1$, $value2$); }); checkUOE(() -> { $type$ r = ($type$) vh.compareAndExchangeVolatile(array, i, $value1$, $value2$); }); checkUOE(() -> { $type$ r = ($type$) vh.compareAndExchangeAcquire(array, i, $value1$, $value2$); }); checkUOE(() -> { $type$ r = ($type$) vh.compareAndExchangeRelease(array, i, $value1$, $value2$); }); checkUOE(() -> { boolean r = vh.weakCompareAndSet(array, i, $value1$, $value2$); }); checkUOE(() -> { boolean r = vh.weakCompareAndSetAcquire(array, i, $value1$, $value2$); }); checkUOE(() -> { boolean r = vh.weakCompareAndSetRelease(array, i, $value1$, $value2$); }); #end[CAS] #if[!AtomicAdd] checkUOE(() -> { $type$ o = ($type$) vh.getAndAdd(array, i, $value1$); }); checkUOE(() -> { $type$ o = ($type$) vh.addAndGet(array, i, $value1$); }); #end[AtomicAdd] } static void testArrayIndexOutOfBounds(VarHandle vh) throws Throwable { $type$[] array = new $type$[10]; for (int i : new int[]{-1, Integer.MIN_VALUE, 10, 11, Integer.MAX_VALUE}) { final int ci = i; checkIOOBE(() -> { $type$ x = ($type$) vh.get(array, ci); }); checkIOOBE(() -> { vh.set(array, ci, $value1$); }); checkIOOBE(() -> { $type$ x = ($type$) vh.getVolatile(array, ci); }); checkIOOBE(() -> { vh.setVolatile(array, ci, $value1$); }); checkIOOBE(() -> { $type$ x = ($type$) vh.getAcquire(array, ci); }); checkIOOBE(() -> { vh.setRelease(array, ci, $value1$); }); checkIOOBE(() -> { $type$ x = ($type$) vh.getOpaque(array, ci); }); checkIOOBE(() -> { vh.setOpaque(array, ci, $value1$); }); #if[CAS] checkIOOBE(() -> { boolean r = vh.compareAndSet(array, ci, $value1$, $value2$); }); checkIOOBE(() -> { $type$ r = ($type$) vh.compareAndExchangeVolatile(array, ci, $value2$, $value1$); }); checkIOOBE(() -> { $type$ r = ($type$) vh.compareAndExchangeAcquire(array, ci, $value2$, $value1$); }); checkIOOBE(() -> { $type$ r = ($type$) vh.compareAndExchangeRelease(array, ci, $value2$, $value1$); }); checkIOOBE(() -> { boolean r = vh.weakCompareAndSet(array, ci, $value1$, $value2$); }); checkIOOBE(() -> { boolean r = vh.weakCompareAndSetAcquire(array, ci, $value1$, $value2$); }); checkIOOBE(() -> { boolean r = vh.weakCompareAndSetRelease(array, ci, $value1$, $value2$); }); checkIOOBE(() -> { $type$ o = ($type$) vh.getAndSet(array, ci, $value1$); }); #end[CAS] #if[AtomicAdd] checkIOOBE(() -> { $type$ o = ($type$) vh.getAndAdd(array, ci, $value3$); }); checkIOOBE(() -> { $type$ o = ($type$) vh.addAndGet(array, ci, $value3$); }); #end[AtomicAdd] } } }