/* * Copyright (c) 2015, 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 * @compile -XDenableValueTypes Value.java * @run testng/othervm -Xverify:none -Diters=10 -Xint VarHandleTestAccessBoolean */ /* Disabled temporarily for lworld * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 VarHandleTestAccessBoolean * @run testng/othervm -Diters=20000 VarHandleTestAccessBoolean * @run testng/othervm -Diters=20000 -XX:-TieredCompilation VarHandleTestAccessBoolean */ 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 VarHandleTestAccessBoolean extends VarHandleBaseTest { static final boolean static_final_v = true; static boolean static_v; final boolean final_v = true; boolean v; VarHandle vhFinalField; VarHandle vhField; VarHandle vhStaticField; VarHandle vhStaticFinalField; VarHandle vhArray; VarHandle vhValueTypeField; @BeforeClass public void setup() throws Exception { vhFinalField = MethodHandles.lookup().findVarHandle( VarHandleTestAccessBoolean.class, "final_v", boolean.class); vhField = MethodHandles.lookup().findVarHandle( VarHandleTestAccessBoolean.class, "v", boolean.class); vhStaticFinalField = MethodHandles.lookup().findStaticVarHandle( VarHandleTestAccessBoolean.class, "static_final_v", boolean.class); vhStaticField = MethodHandles.lookup().findStaticVarHandle( VarHandleTestAccessBoolean.class, "static_v", boolean.class); vhArray = MethodHandles.arrayElementVarHandle(boolean[].class); vhValueTypeField = MethodHandles.lookup().findVarHandle( Value.class, "boolean_v", boolean.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)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_SET)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE)); 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_PLAIN)); 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)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET_ACQUIRE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET_RELEASE)); assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD)); assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD_ACQUIRE)); assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD_RELEASE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_ACQUIRE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_RELEASE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_ACQUIRE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_RELEASE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_ACQUIRE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_RELEASE)); } @DataProvider public Object[][] typesProvider() throws Exception { List types = new ArrayList<>(); types.add(new Object[] {vhField, Arrays.asList(VarHandleTestAccessBoolean.class)}); types.add(new Object[] {vhStaticField, Arrays.asList()}); types.add(new Object[] {vhArray, Arrays.asList(boolean[].class, int.class)}); return types.stream().toArray(Object[][]::new); } @Test(dataProvider = "typesProvider") public void testTypes(VarHandle vh, List> pts) { assertEquals(vh.varType(), boolean.class); assertEquals(vh.coordinateTypes(), pts); testTypes(vh); } @Test public void testLookupInstanceToStatic() { checkIAE("Lookup of static final field to instance final field", () -> { MethodHandles.lookup().findStaticVarHandle( VarHandleTestAccessBoolean.class, "final_v", boolean.class); }); checkIAE("Lookup of static field to instance field", () -> { MethodHandles.lookup().findStaticVarHandle( VarHandleTestAccessBoolean.class, "v", boolean.class); }); } @Test public void testLookupStaticToInstance() { checkIAE("Lookup of instance final field to static final field", () -> { MethodHandles.lookup().findVarHandle( VarHandleTestAccessBoolean.class, "static_final_v", boolean.class); }); checkIAE("Lookup of instance field to static field", () -> { vhStaticField = MethodHandles.lookup().findVarHandle( VarHandleTestAccessBoolean.class, "static_v", boolean.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, VarHandleTestAccessBoolean::testStaticFinalField)); cases.add(new VarHandleAccessTestCase("Static final field unsupported", vhStaticFinalField, VarHandleTestAccessBoolean::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, VarHandleTestAccessBoolean::testStaticField)); cases.add(new VarHandleAccessTestCase("Static field unsupported", vhStaticField, VarHandleTestAccessBoolean::testStaticFieldUnsupported, false)); cases.add(new VarHandleAccessTestCase("Array", vhArray, VarHandleTestAccessBoolean::testArray)); cases.add(new VarHandleAccessTestCase("Array unsupported", vhArray, VarHandleTestAccessBoolean::testArrayUnsupported, false)); cases.add(new VarHandleAccessTestCase("Array index out of bounds", vhArray, VarHandleTestAccessBoolean::testArrayIndexOutOfBounds, false)); cases.add(new VarHandleAccessTestCase("Value type field", vhValueTypeField, vh -> testValueTypeField(Value.VT, vh))); cases.add(new VarHandleAccessTestCase("Value type field unsupported", vhValueTypeField, vh -> testValueTypeFieldUnsupported(Value.VT, vh), 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(VarHandleTestAccessBoolean recv, VarHandle vh) { // Plain { boolean x = (boolean) vh.get(recv); assertEquals(x, true, "get boolean value"); } // Volatile { boolean x = (boolean) vh.getVolatile(recv); assertEquals(x, true, "getVolatile boolean value"); } // Lazy { boolean x = (boolean) vh.getAcquire(recv); assertEquals(x, true, "getRelease boolean value"); } // Opaque { boolean x = (boolean) vh.getOpaque(recv); assertEquals(x, true, "getOpaque boolean value"); } } static void testInstanceFinalFieldUnsupported(VarHandleTestAccessBoolean recv, VarHandle vh) { checkUOE(() -> { vh.set(recv, false); }); checkUOE(() -> { vh.setVolatile(recv, false); }); checkUOE(() -> { vh.setRelease(recv, false); }); checkUOE(() -> { vh.setOpaque(recv, false); }); checkUOE(() -> { boolean o = (boolean) vh.getAndAdd(recv, true); }); checkUOE(() -> { boolean o = (boolean) vh.getAndAddAcquire(recv, true); }); checkUOE(() -> { boolean o = (boolean) vh.getAndAddRelease(recv, true); }); } static void testValueTypeField(Value recv, VarHandle vh) { // Plain { boolean x = (boolean) vh.get(recv); assertEquals(x, true, "get boolean value"); } } static void testValueTypeFieldUnsupported(Value recv, VarHandle vh) { checkUOE(() -> { vh.set(recv, false); }); } static void testStaticFinalField(VarHandle vh) { // Plain { boolean x = (boolean) vh.get(); assertEquals(x, true, "get boolean value"); } // Volatile { boolean x = (boolean) vh.getVolatile(); assertEquals(x, true, "getVolatile boolean value"); } // Lazy { boolean x = (boolean) vh.getAcquire(); assertEquals(x, true, "getRelease boolean value"); } // Opaque { boolean x = (boolean) vh.getOpaque(); assertEquals(x, true, "getOpaque boolean value"); } } static void testStaticFinalFieldUnsupported(VarHandle vh) { checkUOE(() -> { vh.set(false); }); checkUOE(() -> { vh.setVolatile(false); }); checkUOE(() -> { vh.setRelease(false); }); checkUOE(() -> { vh.setOpaque(false); }); checkUOE(() -> { boolean o = (boolean) vh.getAndAdd(true); }); checkUOE(() -> { boolean o = (boolean) vh.getAndAddAcquire(true); }); checkUOE(() -> { boolean o = (boolean) vh.getAndAddRelease(true); }); } static void testInstanceField(VarHandleTestAccessBoolean recv, VarHandle vh) { // Plain { vh.set(recv, true); boolean x = (boolean) vh.get(recv); assertEquals(x, true, "set boolean value"); } // Volatile { vh.setVolatile(recv, false); boolean x = (boolean) vh.getVolatile(recv); assertEquals(x, false, "setVolatile boolean value"); } // Lazy { vh.setRelease(recv, true); boolean x = (boolean) vh.getAcquire(recv); assertEquals(x, true, "setRelease boolean value"); } // Opaque { vh.setOpaque(recv, false); boolean x = (boolean) vh.getOpaque(recv); assertEquals(x, false, "setOpaque boolean value"); } vh.set(recv, true); // Compare { boolean r = vh.compareAndSet(recv, true, false); assertEquals(r, true, "success compareAndSet boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, false, "success compareAndSet boolean value"); } { boolean r = vh.compareAndSet(recv, true, false); assertEquals(r, false, "failing compareAndSet boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, false, "failing compareAndSet boolean value"); } { boolean r = (boolean) vh.compareAndExchange(recv, false, true); assertEquals(r, false, "success compareAndExchange boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, true, "success compareAndExchange boolean value"); } { boolean r = (boolean) vh.compareAndExchange(recv, false, false); assertEquals(r, true, "failing compareAndExchange boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, true, "failing compareAndExchange boolean value"); } { boolean r = (boolean) vh.compareAndExchangeAcquire(recv, true, false); assertEquals(r, true, "success compareAndExchangeAcquire boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, false, "success compareAndExchangeAcquire boolean value"); } { boolean r = (boolean) vh.compareAndExchangeAcquire(recv, true, false); assertEquals(r, false, "failing compareAndExchangeAcquire boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, false, "failing compareAndExchangeAcquire boolean value"); } { boolean r = (boolean) vh.compareAndExchangeRelease(recv, false, true); assertEquals(r, false, "success compareAndExchangeRelease boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, true, "success compareAndExchangeRelease boolean value"); } { boolean r = (boolean) vh.compareAndExchangeRelease(recv, false, false); assertEquals(r, true, "failing compareAndExchangeRelease boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, true, "failing compareAndExchangeRelease boolean value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetPlain(recv, true, false); } assertEquals(success, true, "weakCompareAndSetPlain boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, false, "weakCompareAndSetPlain boolean value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetAcquire(recv, false, true); } assertEquals(success, true, "weakCompareAndSetAcquire boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, true, "weakCompareAndSetAcquire boolean"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetRelease(recv, true, false); } assertEquals(success, true, "weakCompareAndSetRelease boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, false, "weakCompareAndSetRelease boolean"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSet(recv, false, true); } assertEquals(success, true, "weakCompareAndSet boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, true, "weakCompareAndSet boolean value"); } // Compare set and get { vh.set(recv, true); boolean o = (boolean) vh.getAndSet(recv, false); assertEquals(o, true, "getAndSet boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, false, "getAndSet boolean value"); } { vh.set(recv, true); boolean o = (boolean) vh.getAndSetAcquire(recv, false); assertEquals(o, true, "getAndSetAcquire boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, false, "getAndSetAcquire boolean value"); } { vh.set(recv, true); boolean o = (boolean) vh.getAndSetRelease(recv, false); assertEquals(o, true, "getAndSetRelease boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, false, "getAndSetRelease boolean value"); } // get and bitwise or { vh.set(recv, true); boolean o = (boolean) vh.getAndBitwiseOr(recv, false); assertEquals(o, true, "getAndBitwiseOr boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, (boolean)(true | false), "getAndBitwiseOr boolean value"); } { vh.set(recv, true); boolean o = (boolean) vh.getAndBitwiseOrAcquire(recv, false); assertEquals(o, true, "getAndBitwiseOrAcquire boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, (boolean)(true | false), "getAndBitwiseOrAcquire boolean value"); } { vh.set(recv, true); boolean o = (boolean) vh.getAndBitwiseOrRelease(recv, false); assertEquals(o, true, "getAndBitwiseOrRelease boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, (boolean)(true | false), "getAndBitwiseOrRelease boolean value"); } // get and bitwise and { vh.set(recv, true); boolean o = (boolean) vh.getAndBitwiseAnd(recv, false); assertEquals(o, true, "getAndBitwiseAnd boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, (boolean)(true & false), "getAndBitwiseAnd boolean value"); } { vh.set(recv, true); boolean o = (boolean) vh.getAndBitwiseAndAcquire(recv, false); assertEquals(o, true, "getAndBitwiseAndAcquire boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, (boolean)(true & false), "getAndBitwiseAndAcquire boolean value"); } { vh.set(recv, true); boolean o = (boolean) vh.getAndBitwiseAndRelease(recv, false); assertEquals(o, true, "getAndBitwiseAndRelease boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, (boolean)(true & false), "getAndBitwiseAndRelease boolean value"); } // get and bitwise xor { vh.set(recv, true); boolean o = (boolean) vh.getAndBitwiseXor(recv, false); assertEquals(o, true, "getAndBitwiseXor boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, (boolean)(true ^ false), "getAndBitwiseXor boolean value"); } { vh.set(recv, true); boolean o = (boolean) vh.getAndBitwiseXorAcquire(recv, false); assertEquals(o, true, "getAndBitwiseXorAcquire boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, (boolean)(true ^ false), "getAndBitwiseXorAcquire boolean value"); } { vh.set(recv, true); boolean o = (boolean) vh.getAndBitwiseXorRelease(recv, false); assertEquals(o, true, "getAndBitwiseXorRelease boolean"); boolean x = (boolean) vh.get(recv); assertEquals(x, (boolean)(true ^ false), "getAndBitwiseXorRelease boolean value"); } } static void testInstanceFieldUnsupported(VarHandleTestAccessBoolean recv, VarHandle vh) { checkUOE(() -> { boolean o = (boolean) vh.getAndAdd(recv, true); }); checkUOE(() -> { boolean o = (boolean) vh.getAndAddAcquire(recv, true); }); checkUOE(() -> { boolean o = (boolean) vh.getAndAddRelease(recv, true); }); } static void testStaticField(VarHandle vh) { // Plain { vh.set(true); boolean x = (boolean) vh.get(); assertEquals(x, true, "set boolean value"); } // Volatile { vh.setVolatile(false); boolean x = (boolean) vh.getVolatile(); assertEquals(x, false, "setVolatile boolean value"); } // Lazy { vh.setRelease(true); boolean x = (boolean) vh.getAcquire(); assertEquals(x, true, "setRelease boolean value"); } // Opaque { vh.setOpaque(false); boolean x = (boolean) vh.getOpaque(); assertEquals(x, false, "setOpaque boolean value"); } vh.set(true); // Compare { boolean r = vh.compareAndSet(true, false); assertEquals(r, true, "success compareAndSet boolean"); boolean x = (boolean) vh.get(); assertEquals(x, false, "success compareAndSet boolean value"); } { boolean r = vh.compareAndSet(true, false); assertEquals(r, false, "failing compareAndSet boolean"); boolean x = (boolean) vh.get(); assertEquals(x, false, "failing compareAndSet boolean value"); } { boolean r = (boolean) vh.compareAndExchange(false, true); assertEquals(r, false, "success compareAndExchange boolean"); boolean x = (boolean) vh.get(); assertEquals(x, true, "success compareAndExchange boolean value"); } { boolean r = (boolean) vh.compareAndExchange(false, false); assertEquals(r, true, "failing compareAndExchange boolean"); boolean x = (boolean) vh.get(); assertEquals(x, true, "failing compareAndExchange boolean value"); } { boolean r = (boolean) vh.compareAndExchangeAcquire(true, false); assertEquals(r, true, "success compareAndExchangeAcquire boolean"); boolean x = (boolean) vh.get(); assertEquals(x, false, "success compareAndExchangeAcquire boolean value"); } { boolean r = (boolean) vh.compareAndExchangeAcquire(true, false); assertEquals(r, false, "failing compareAndExchangeAcquire boolean"); boolean x = (boolean) vh.get(); assertEquals(x, false, "failing compareAndExchangeAcquire boolean value"); } { boolean r = (boolean) vh.compareAndExchangeRelease(false, true); assertEquals(r, false, "success compareAndExchangeRelease boolean"); boolean x = (boolean) vh.get(); assertEquals(x, true, "success compareAndExchangeRelease boolean value"); } { boolean r = (boolean) vh.compareAndExchangeRelease(false, false); assertEquals(r, true, "failing compareAndExchangeRelease boolean"); boolean x = (boolean) vh.get(); assertEquals(x, true, "failing compareAndExchangeRelease boolean value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetPlain(true, false); } assertEquals(success, true, "weakCompareAndSetPlain boolean"); boolean x = (boolean) vh.get(); assertEquals(x, false, "weakCompareAndSetPlain boolean value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetAcquire(false, true); } assertEquals(success, true, "weakCompareAndSetAcquire boolean"); boolean x = (boolean) vh.get(); assertEquals(x, true, "weakCompareAndSetAcquire boolean"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetRelease(true, false); } assertEquals(success, true, "weakCompareAndSetRelease boolean"); boolean x = (boolean) vh.get(); assertEquals(x, false, "weakCompareAndSetRelease boolean"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSet(false, true); } assertEquals(success, true, "weakCompareAndSet boolean"); boolean x = (boolean) vh.get(); assertEquals(x, true, "weakCompareAndSet boolean"); } // Compare set and get { vh.set(true); boolean o = (boolean) vh.getAndSet(false); assertEquals(o, true, "getAndSet boolean"); boolean x = (boolean) vh.get(); assertEquals(x, false, "getAndSet boolean value"); } { vh.set(true); boolean o = (boolean) vh.getAndSetAcquire(false); assertEquals(o, true, "getAndSetAcquire boolean"); boolean x = (boolean) vh.get(); assertEquals(x, false, "getAndSetAcquire boolean value"); } { vh.set(true); boolean o = (boolean) vh.getAndSetRelease(false); assertEquals(o, true, "getAndSetRelease boolean"); boolean x = (boolean) vh.get(); assertEquals(x, false, "getAndSetRelease boolean value"); } // get and bitwise or { vh.set(true); boolean o = (boolean) vh.getAndBitwiseOr(false); assertEquals(o, true, "getAndBitwiseOr boolean"); boolean x = (boolean) vh.get(); assertEquals(x, (boolean)(true | false), "getAndBitwiseOr boolean value"); } { vh.set(true); boolean o = (boolean) vh.getAndBitwiseOrAcquire(false); assertEquals(o, true, "getAndBitwiseOrAcquire boolean"); boolean x = (boolean) vh.get(); assertEquals(x, (boolean)(true | false), "getAndBitwiseOrAcquire boolean value"); } { vh.set(true); boolean o = (boolean) vh.getAndBitwiseOrRelease(false); assertEquals(o, true, "getAndBitwiseOrRelease boolean"); boolean x = (boolean) vh.get(); assertEquals(x, (boolean)(true | false), "getAndBitwiseOrRelease boolean value"); } // get and bitwise and { vh.set(true); boolean o = (boolean) vh.getAndBitwiseAnd(false); assertEquals(o, true, "getAndBitwiseAnd boolean"); boolean x = (boolean) vh.get(); assertEquals(x, (boolean)(true & false), "getAndBitwiseAnd boolean value"); } { vh.set(true); boolean o = (boolean) vh.getAndBitwiseAndAcquire(false); assertEquals(o, true, "getAndBitwiseAndAcquire boolean"); boolean x = (boolean) vh.get(); assertEquals(x, (boolean)(true & false), "getAndBitwiseAndAcquire boolean value"); } { vh.set(true); boolean o = (boolean) vh.getAndBitwiseAndRelease(false); assertEquals(o, true, "getAndBitwiseAndRelease boolean"); boolean x = (boolean) vh.get(); assertEquals(x, (boolean)(true & false), "getAndBitwiseAndRelease boolean value"); } // get and bitwise xor { vh.set(true); boolean o = (boolean) vh.getAndBitwiseXor(false); assertEquals(o, true, "getAndBitwiseXor boolean"); boolean x = (boolean) vh.get(); assertEquals(x, (boolean)(true ^ false), "getAndBitwiseXor boolean value"); } { vh.set(true); boolean o = (boolean) vh.getAndBitwiseXorAcquire(false); assertEquals(o, true, "getAndBitwiseXorAcquire boolean"); boolean x = (boolean) vh.get(); assertEquals(x, (boolean)(true ^ false), "getAndBitwiseXorAcquire boolean value"); } { vh.set(true); boolean o = (boolean) vh.getAndBitwiseXorRelease(false); assertEquals(o, true, "getAndBitwiseXorRelease boolean"); boolean x = (boolean) vh.get(); assertEquals(x, (boolean)(true ^ false), "getAndBitwiseXorRelease boolean value"); } } static void testStaticFieldUnsupported(VarHandle vh) { checkUOE(() -> { boolean o = (boolean) vh.getAndAdd(true); }); checkUOE(() -> { boolean o = (boolean) vh.getAndAddAcquire(true); }); checkUOE(() -> { boolean o = (boolean) vh.getAndAddRelease(true); }); } static void testArray(VarHandle vh) { boolean[] array = new boolean[10]; for (int i = 0; i < array.length; i++) { // Plain { vh.set(array, i, true); boolean x = (boolean) vh.get(array, i); assertEquals(x, true, "get boolean value"); } // Volatile { vh.setVolatile(array, i, false); boolean x = (boolean) vh.getVolatile(array, i); assertEquals(x, false, "setVolatile boolean value"); } // Lazy { vh.setRelease(array, i, true); boolean x = (boolean) vh.getAcquire(array, i); assertEquals(x, true, "setRelease boolean value"); } // Opaque { vh.setOpaque(array, i, false); boolean x = (boolean) vh.getOpaque(array, i); assertEquals(x, false, "setOpaque boolean value"); } vh.set(array, i, true); // Compare { boolean r = vh.compareAndSet(array, i, true, false); assertEquals(r, true, "success compareAndSet boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, false, "success compareAndSet boolean value"); } { boolean r = vh.compareAndSet(array, i, true, false); assertEquals(r, false, "failing compareAndSet boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, false, "failing compareAndSet boolean value"); } { boolean r = (boolean) vh.compareAndExchange(array, i, false, true); assertEquals(r, false, "success compareAndExchange boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, true, "success compareAndExchange boolean value"); } { boolean r = (boolean) vh.compareAndExchange(array, i, false, false); assertEquals(r, true, "failing compareAndExchange boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, true, "failing compareAndExchange boolean value"); } { boolean r = (boolean) vh.compareAndExchangeAcquire(array, i, true, false); assertEquals(r, true, "success compareAndExchangeAcquire boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, false, "success compareAndExchangeAcquire boolean value"); } { boolean r = (boolean) vh.compareAndExchangeAcquire(array, i, true, false); assertEquals(r, false, "failing compareAndExchangeAcquire boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, false, "failing compareAndExchangeAcquire boolean value"); } { boolean r = (boolean) vh.compareAndExchangeRelease(array, i, false, true); assertEquals(r, false, "success compareAndExchangeRelease boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, true, "success compareAndExchangeRelease boolean value"); } { boolean r = (boolean) vh.compareAndExchangeRelease(array, i, false, false); assertEquals(r, true, "failing compareAndExchangeRelease boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, true, "failing compareAndExchangeRelease boolean value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetPlain(array, i, true, false); } assertEquals(success, true, "weakCompareAndSetPlain boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, false, "weakCompareAndSetPlain boolean value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetAcquire(array, i, false, true); } assertEquals(success, true, "weakCompareAndSetAcquire boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, true, "weakCompareAndSetAcquire boolean"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetRelease(array, i, true, false); } assertEquals(success, true, "weakCompareAndSetRelease boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, false, "weakCompareAndSetRelease boolean"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSet(array, i, false, true); } assertEquals(success, true, "weakCompareAndSet boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, true, "weakCompareAndSet boolean"); } // Compare set and get { vh.set(array, i, true); boolean o = (boolean) vh.getAndSet(array, i, false); assertEquals(o, true, "getAndSet boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, false, "getAndSet boolean value"); } { vh.set(array, i, true); boolean o = (boolean) vh.getAndSetAcquire(array, i, false); assertEquals(o, true, "getAndSetAcquire boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, false, "getAndSetAcquire boolean value"); } { vh.set(array, i, true); boolean o = (boolean) vh.getAndSetRelease(array, i, false); assertEquals(o, true, "getAndSetRelease boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, false, "getAndSetRelease boolean value"); } // get and bitwise or { vh.set(array, i, true); boolean o = (boolean) vh.getAndBitwiseOr(array, i, false); assertEquals(o, true, "getAndBitwiseOr boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, (boolean)(true | false), "getAndBitwiseOr boolean value"); } { vh.set(array, i, true); boolean o = (boolean) vh.getAndBitwiseOrAcquire(array, i, false); assertEquals(o, true, "getAndBitwiseOrAcquire boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, (boolean)(true | false), "getAndBitwiseOrAcquire boolean value"); } { vh.set(array, i, true); boolean o = (boolean) vh.getAndBitwiseOrRelease(array, i, false); assertEquals(o, true, "getAndBitwiseOrRelease boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, (boolean)(true | false), "getAndBitwiseOrRelease boolean value"); } // get and bitwise and { vh.set(array, i, true); boolean o = (boolean) vh.getAndBitwiseAnd(array, i, false); assertEquals(o, true, "getAndBitwiseAnd boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, (boolean)(true & false), "getAndBitwiseAnd boolean value"); } { vh.set(array, i, true); boolean o = (boolean) vh.getAndBitwiseAndAcquire(array, i, false); assertEquals(o, true, "getAndBitwiseAndAcquire boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, (boolean)(true & false), "getAndBitwiseAndAcquire boolean value"); } { vh.set(array, i, true); boolean o = (boolean) vh.getAndBitwiseAndRelease(array, i, false); assertEquals(o, true, "getAndBitwiseAndRelease boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, (boolean)(true & false), "getAndBitwiseAndRelease boolean value"); } // get and bitwise xor { vh.set(array, i, true); boolean o = (boolean) vh.getAndBitwiseXor(array, i, false); assertEquals(o, true, "getAndBitwiseXor boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, (boolean)(true ^ false), "getAndBitwiseXor boolean value"); } { vh.set(array, i, true); boolean o = (boolean) vh.getAndBitwiseXorAcquire(array, i, false); assertEquals(o, true, "getAndBitwiseXorAcquire boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, (boolean)(true ^ false), "getAndBitwiseXorAcquire boolean value"); } { vh.set(array, i, true); boolean o = (boolean) vh.getAndBitwiseXorRelease(array, i, false); assertEquals(o, true, "getAndBitwiseXorRelease boolean"); boolean x = (boolean) vh.get(array, i); assertEquals(x, (boolean)(true ^ false), "getAndBitwiseXorRelease boolean value"); } } } static void testArrayUnsupported(VarHandle vh) { boolean[] array = new boolean[10]; int i = 0; checkUOE(() -> { boolean o = (boolean) vh.getAndAdd(array, i, true); }); checkUOE(() -> { boolean o = (boolean) vh.getAndAddAcquire(array, i, true); }); checkUOE(() -> { boolean o = (boolean) vh.getAndAddRelease(array, i, true); }); } static void testArrayIndexOutOfBounds(VarHandle vh) throws Throwable { boolean[] array = new boolean[10]; for (int i : new int[]{-1, Integer.MIN_VALUE, 10, 11, Integer.MAX_VALUE}) { final int ci = i; checkIOOBE(() -> { boolean x = (boolean) vh.get(array, ci); }); checkIOOBE(() -> { vh.set(array, ci, true); }); checkIOOBE(() -> { boolean x = (boolean) vh.getVolatile(array, ci); }); checkIOOBE(() -> { vh.setVolatile(array, ci, true); }); checkIOOBE(() -> { boolean x = (boolean) vh.getAcquire(array, ci); }); checkIOOBE(() -> { vh.setRelease(array, ci, true); }); checkIOOBE(() -> { boolean x = (boolean) vh.getOpaque(array, ci); }); checkIOOBE(() -> { vh.setOpaque(array, ci, true); }); checkIOOBE(() -> { boolean r = vh.compareAndSet(array, ci, true, false); }); checkIOOBE(() -> { boolean r = (boolean) vh.compareAndExchange(array, ci, false, true); }); checkIOOBE(() -> { boolean r = (boolean) vh.compareAndExchangeAcquire(array, ci, false, true); }); checkIOOBE(() -> { boolean r = (boolean) vh.compareAndExchangeRelease(array, ci, false, true); }); checkIOOBE(() -> { boolean r = vh.weakCompareAndSetPlain(array, ci, true, false); }); checkIOOBE(() -> { boolean r = vh.weakCompareAndSet(array, ci, true, false); }); checkIOOBE(() -> { boolean r = vh.weakCompareAndSetAcquire(array, ci, true, false); }); checkIOOBE(() -> { boolean r = vh.weakCompareAndSetRelease(array, ci, true, false); }); checkIOOBE(() -> { boolean o = (boolean) vh.getAndSet(array, ci, true); }); checkIOOBE(() -> { boolean o = (boolean) vh.getAndSetAcquire(array, ci, true); }); checkIOOBE(() -> { boolean o = (boolean) vh.getAndSetRelease(array, ci, true); }); checkIOOBE(() -> { boolean o = (boolean) vh.getAndBitwiseOr(array, ci, true); }); checkIOOBE(() -> { boolean o = (boolean) vh.getAndBitwiseOrAcquire(array, ci, true); }); checkIOOBE(() -> { boolean o = (boolean) vh.getAndBitwiseOrRelease(array, ci, true); }); checkIOOBE(() -> { boolean o = (boolean) vh.getAndBitwiseAnd(array, ci, true); }); checkIOOBE(() -> { boolean o = (boolean) vh.getAndBitwiseAndAcquire(array, ci, true); }); checkIOOBE(() -> { boolean o = (boolean) vh.getAndBitwiseAndRelease(array, ci, true); }); checkIOOBE(() -> { boolean o = (boolean) vh.getAndBitwiseXor(array, ci, true); }); checkIOOBE(() -> { boolean o = (boolean) vh.getAndBitwiseXorAcquire(array, ci, true); }); checkIOOBE(() -> { boolean o = (boolean) vh.getAndBitwiseXorRelease(array, ci, true); }); } } }