| /* |
| * 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 VarHandleTestAccessString |
| * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 VarHandleTestAccessString |
| * @run testng/othervm -Diters=20000 VarHandleTestAccessString |
| * @run testng/othervm -Diters=20000 -XX:-TieredCompilation VarHandleTestAccessString |
| */ |
| |
| 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 VarHandleTestAccessString extends VarHandleBaseTest { |
| static final String static_final_v = "foo"; |
| |
| static String static_v; |
| |
| final String final_v = "foo"; |
| |
| String v; |
| |
| VarHandle vhFinalField; |
| |
| VarHandle vhField; |
| |
| VarHandle vhStaticField; |
| |
| VarHandle vhStaticFinalField; |
| |
| VarHandle vhArray; |
| |
| VarHandle vhArrayObject; |
| |
| @BeforeClass |
| public void setup() throws Exception { |
| vhFinalField = MethodHandles.lookup().findVarHandle( |
| VarHandleTestAccessString.class, "final_v", String.class); |
| |
| vhField = MethodHandles.lookup().findVarHandle( |
| VarHandleTestAccessString.class, "v", String.class); |
| |
| vhStaticFinalField = MethodHandles.lookup().findStaticVarHandle( |
| VarHandleTestAccessString.class, "static_final_v", String.class); |
| |
| vhStaticField = MethodHandles.lookup().findStaticVarHandle( |
| VarHandleTestAccessString.class, "static_v", String.class); |
| |
| vhArray = MethodHandles.arrayElementVarHandle(String[].class); |
| vhArrayObject = MethodHandles.arrayElementVarHandle(Object[].class); |
| } |
| |
| |
| @DataProvider |
| public Object[][] varHandlesProvider() throws Exception { |
| List<VarHandle> 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)); |
| |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR)); |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_ACQUIRE)); |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_RELEASE)); |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND)); |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_ACQUIRE)); |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_RELEASE)); |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR)); |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_ACQUIRE)); |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_RELEASE)); |
| } |
| |
| |
| @DataProvider |
| public Object[][] typesProvider() throws Exception { |
| List<Object[]> types = new ArrayList<>(); |
| types.add(new Object[] {vhField, Arrays.asList(VarHandleTestAccessString.class)}); |
| types.add(new Object[] {vhStaticField, Arrays.asList()}); |
| types.add(new Object[] {vhArray, Arrays.asList(String[].class, int.class)}); |
| |
| return types.stream().toArray(Object[][]::new); |
| } |
| |
| @Test(dataProvider = "typesProvider") |
| public void testTypes(VarHandle vh, List<Class<?>> pts) { |
| assertEquals(vh.varType(), String.class); |
| |
| assertEquals(vh.coordinateTypes(), pts); |
| |
| testTypes(vh); |
| } |
| |
| |
| @Test |
| public void testLookupInstanceToStatic() { |
| checkIAE("Lookup of static final field to instance final field", () -> { |
| MethodHandles.lookup().findStaticVarHandle( |
| VarHandleTestAccessString.class, "final_v", String.class); |
| }); |
| |
| checkIAE("Lookup of static field to instance field", () -> { |
| MethodHandles.lookup().findStaticVarHandle( |
| VarHandleTestAccessString.class, "v", String.class); |
| }); |
| } |
| |
| @Test |
| public void testLookupStaticToInstance() { |
| checkIAE("Lookup of instance final field to static final field", () -> { |
| MethodHandles.lookup().findVarHandle( |
| VarHandleTestAccessString.class, "static_final_v", String.class); |
| }); |
| |
| checkIAE("Lookup of instance field to static field", () -> { |
| vhStaticField = MethodHandles.lookup().findVarHandle( |
| VarHandleTestAccessString.class, "static_v", String.class); |
| }); |
| } |
| |
| |
| @DataProvider |
| public Object[][] accessTestCaseProvider() throws Exception { |
| List<AccessTestCase<?>> 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, VarHandleTestAccessString::testStaticFinalField)); |
| cases.add(new VarHandleAccessTestCase("Static final field unsupported", |
| vhStaticFinalField, VarHandleTestAccessString::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, VarHandleTestAccessString::testStaticField)); |
| cases.add(new VarHandleAccessTestCase("Static field unsupported", |
| vhStaticField, VarHandleTestAccessString::testStaticFieldUnsupported, |
| false)); |
| |
| cases.add(new VarHandleAccessTestCase("Array", |
| vhArray, VarHandleTestAccessString::testArray)); |
| cases.add(new VarHandleAccessTestCase("Array Object[]", |
| vhArrayObject, VarHandleTestAccessString::testArray)); |
| cases.add(new VarHandleAccessTestCase("Array unsupported", |
| vhArray, VarHandleTestAccessString::testArrayUnsupported, |
| false)); |
| cases.add(new VarHandleAccessTestCase("Array index out of bounds", |
| vhArray, VarHandleTestAccessString::testArrayIndexOutOfBounds, |
| false)); |
| cases.add(new VarHandleAccessTestCase("Array store exception", |
| vhArrayObject, VarHandleTestAccessString::testArrayStoreException, |
| 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 <T> void testAccess(String desc, AccessTestCase<T> 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(VarHandleTestAccessString recv, VarHandle vh) { |
| // Plain |
| { |
| String x = (String) vh.get(recv); |
| assertEquals(x, "foo", "get String value"); |
| } |
| |
| |
| // Volatile |
| { |
| String x = (String) vh.getVolatile(recv); |
| assertEquals(x, "foo", "getVolatile String value"); |
| } |
| |
| // Lazy |
| { |
| String x = (String) vh.getAcquire(recv); |
| assertEquals(x, "foo", "getRelease String value"); |
| } |
| |
| // Opaque |
| { |
| String x = (String) vh.getOpaque(recv); |
| assertEquals(x, "foo", "getOpaque String value"); |
| } |
| } |
| |
| static void testInstanceFinalFieldUnsupported(VarHandleTestAccessString recv, VarHandle vh) { |
| checkUOE(() -> { |
| vh.set(recv, "bar"); |
| }); |
| |
| checkUOE(() -> { |
| vh.setVolatile(recv, "bar"); |
| }); |
| |
| checkUOE(() -> { |
| vh.setRelease(recv, "bar"); |
| }); |
| |
| checkUOE(() -> { |
| vh.setOpaque(recv, "bar"); |
| }); |
| |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndAdd(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndAddAcquire(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndAddRelease(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseOr(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseOrAcquire(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseOrRelease(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseAnd(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseAndAcquire(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseAndRelease(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseXor(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseXorAcquire(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseXorRelease(recv, "foo"); |
| }); |
| } |
| |
| |
| static void testStaticFinalField(VarHandle vh) { |
| // Plain |
| { |
| String x = (String) vh.get(); |
| assertEquals(x, "foo", "get String value"); |
| } |
| |
| |
| // Volatile |
| { |
| String x = (String) vh.getVolatile(); |
| assertEquals(x, "foo", "getVolatile String value"); |
| } |
| |
| // Lazy |
| { |
| String x = (String) vh.getAcquire(); |
| assertEquals(x, "foo", "getRelease String value"); |
| } |
| |
| // Opaque |
| { |
| String x = (String) vh.getOpaque(); |
| assertEquals(x, "foo", "getOpaque String value"); |
| } |
| } |
| |
| static void testStaticFinalFieldUnsupported(VarHandle vh) { |
| checkUOE(() -> { |
| vh.set("bar"); |
| }); |
| |
| checkUOE(() -> { |
| vh.setVolatile("bar"); |
| }); |
| |
| checkUOE(() -> { |
| vh.setRelease("bar"); |
| }); |
| |
| checkUOE(() -> { |
| vh.setOpaque("bar"); |
| }); |
| |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndAdd("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndAddAcquire("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndAddRelease("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseOr("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseOrAcquire("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseOrRelease("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseAnd("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseAndAcquire("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseAndRelease("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseXor("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseXorAcquire("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseXorRelease("foo"); |
| }); |
| } |
| |
| |
| static void testInstanceField(VarHandleTestAccessString recv, VarHandle vh) { |
| // Plain |
| { |
| vh.set(recv, "foo"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "foo", "set String value"); |
| } |
| |
| |
| // Volatile |
| { |
| vh.setVolatile(recv, "bar"); |
| String x = (String) vh.getVolatile(recv); |
| assertEquals(x, "bar", "setVolatile String value"); |
| } |
| |
| // Lazy |
| { |
| vh.setRelease(recv, "foo"); |
| String x = (String) vh.getAcquire(recv); |
| assertEquals(x, "foo", "setRelease String value"); |
| } |
| |
| // Opaque |
| { |
| vh.setOpaque(recv, "bar"); |
| String x = (String) vh.getOpaque(recv); |
| assertEquals(x, "bar", "setOpaque String value"); |
| } |
| |
| vh.set(recv, "foo"); |
| |
| // Compare |
| { |
| boolean r = vh.compareAndSet(recv, "foo", "bar"); |
| assertEquals(r, true, "success compareAndSet String"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "bar", "success compareAndSet String value"); |
| } |
| |
| { |
| boolean r = vh.compareAndSet(recv, "foo", "baz"); |
| assertEquals(r, false, "failing compareAndSet String"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "bar", "failing compareAndSet String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchange(recv, "bar", "foo"); |
| assertEquals(r, "bar", "success compareAndExchange String"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "foo", "success compareAndExchange String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchange(recv, "bar", "baz"); |
| assertEquals(r, "foo", "failing compareAndExchange String"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "foo", "failing compareAndExchange String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchangeAcquire(recv, "foo", "bar"); |
| assertEquals(r, "foo", "success compareAndExchangeAcquire String"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "bar", "success compareAndExchangeAcquire String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchangeAcquire(recv, "foo", "baz"); |
| assertEquals(r, "bar", "failing compareAndExchangeAcquire String"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "bar", "failing compareAndExchangeAcquire String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchangeRelease(recv, "bar", "foo"); |
| assertEquals(r, "bar", "success compareAndExchangeRelease String"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "foo", "success compareAndExchangeRelease String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchangeRelease(recv, "bar", "baz"); |
| assertEquals(r, "foo", "failing compareAndExchangeRelease String"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "foo", "failing compareAndExchangeRelease String value"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSetPlain(recv, "foo", "bar"); |
| } |
| assertEquals(success, true, "weakCompareAndSetPlain String"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "bar", "weakCompareAndSetPlain String value"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSetAcquire(recv, "bar", "foo"); |
| } |
| assertEquals(success, true, "weakCompareAndSetAcquire String"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "foo", "weakCompareAndSetAcquire String"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSetRelease(recv, "foo", "bar"); |
| } |
| assertEquals(success, true, "weakCompareAndSetRelease String"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "bar", "weakCompareAndSetRelease String"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSet(recv, "bar", "foo"); |
| } |
| assertEquals(success, true, "weakCompareAndSet String"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "foo", "weakCompareAndSet String value"); |
| } |
| |
| // Compare set and get |
| { |
| vh.set(recv, "foo"); |
| |
| String o = (String) vh.getAndSet(recv, "bar"); |
| assertEquals(o, "foo", "getAndSet String"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "bar", "getAndSet String value"); |
| } |
| |
| { |
| vh.set(recv, "foo"); |
| |
| String o = (String) vh.getAndSetAcquire(recv, "bar"); |
| assertEquals(o, "foo", "getAndSetAcquire String"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "bar", "getAndSetAcquire String value"); |
| } |
| |
| { |
| vh.set(recv, "foo"); |
| |
| String o = (String) vh.getAndSetRelease(recv, "bar"); |
| assertEquals(o, "foo", "getAndSetRelease String"); |
| String x = (String) vh.get(recv); |
| assertEquals(x, "bar", "getAndSetRelease String value"); |
| } |
| |
| |
| } |
| |
| static void testInstanceFieldUnsupported(VarHandleTestAccessString recv, VarHandle vh) { |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndAdd(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndAddAcquire(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndAddRelease(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseOr(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseOrAcquire(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseOrRelease(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseAnd(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseAndAcquire(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseAndRelease(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseXor(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseXorAcquire(recv, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseXorRelease(recv, "foo"); |
| }); |
| } |
| |
| |
| static void testStaticField(VarHandle vh) { |
| // Plain |
| { |
| vh.set("foo"); |
| String x = (String) vh.get(); |
| assertEquals(x, "foo", "set String value"); |
| } |
| |
| |
| // Volatile |
| { |
| vh.setVolatile("bar"); |
| String x = (String) vh.getVolatile(); |
| assertEquals(x, "bar", "setVolatile String value"); |
| } |
| |
| // Lazy |
| { |
| vh.setRelease("foo"); |
| String x = (String) vh.getAcquire(); |
| assertEquals(x, "foo", "setRelease String value"); |
| } |
| |
| // Opaque |
| { |
| vh.setOpaque("bar"); |
| String x = (String) vh.getOpaque(); |
| assertEquals(x, "bar", "setOpaque String value"); |
| } |
| |
| vh.set("foo"); |
| |
| // Compare |
| { |
| boolean r = vh.compareAndSet("foo", "bar"); |
| assertEquals(r, true, "success compareAndSet String"); |
| String x = (String) vh.get(); |
| assertEquals(x, "bar", "success compareAndSet String value"); |
| } |
| |
| { |
| boolean r = vh.compareAndSet("foo", "baz"); |
| assertEquals(r, false, "failing compareAndSet String"); |
| String x = (String) vh.get(); |
| assertEquals(x, "bar", "failing compareAndSet String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchange("bar", "foo"); |
| assertEquals(r, "bar", "success compareAndExchange String"); |
| String x = (String) vh.get(); |
| assertEquals(x, "foo", "success compareAndExchange String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchange("bar", "baz"); |
| assertEquals(r, "foo", "failing compareAndExchange String"); |
| String x = (String) vh.get(); |
| assertEquals(x, "foo", "failing compareAndExchange String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchangeAcquire("foo", "bar"); |
| assertEquals(r, "foo", "success compareAndExchangeAcquire String"); |
| String x = (String) vh.get(); |
| assertEquals(x, "bar", "success compareAndExchangeAcquire String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchangeAcquire("foo", "baz"); |
| assertEquals(r, "bar", "failing compareAndExchangeAcquire String"); |
| String x = (String) vh.get(); |
| assertEquals(x, "bar", "failing compareAndExchangeAcquire String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchangeRelease("bar", "foo"); |
| assertEquals(r, "bar", "success compareAndExchangeRelease String"); |
| String x = (String) vh.get(); |
| assertEquals(x, "foo", "success compareAndExchangeRelease String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchangeRelease("bar", "baz"); |
| assertEquals(r, "foo", "failing compareAndExchangeRelease String"); |
| String x = (String) vh.get(); |
| assertEquals(x, "foo", "failing compareAndExchangeRelease String value"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSetPlain("foo", "bar"); |
| } |
| assertEquals(success, true, "weakCompareAndSetPlain String"); |
| String x = (String) vh.get(); |
| assertEquals(x, "bar", "weakCompareAndSetPlain String value"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSetAcquire("bar", "foo"); |
| } |
| assertEquals(success, true, "weakCompareAndSetAcquire String"); |
| String x = (String) vh.get(); |
| assertEquals(x, "foo", "weakCompareAndSetAcquire String"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSetRelease("foo", "bar"); |
| } |
| assertEquals(success, true, "weakCompareAndSetRelease String"); |
| String x = (String) vh.get(); |
| assertEquals(x, "bar", "weakCompareAndSetRelease String"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSet("bar", "foo"); |
| } |
| assertEquals(success, true, "weakCompareAndSet String"); |
| String x = (String) vh.get(); |
| assertEquals(x, "foo", "weakCompareAndSet String"); |
| } |
| |
| // Compare set and get |
| { |
| vh.set("foo"); |
| |
| String o = (String) vh.getAndSet("bar"); |
| assertEquals(o, "foo", "getAndSet String"); |
| String x = (String) vh.get(); |
| assertEquals(x, "bar", "getAndSet String value"); |
| } |
| |
| { |
| vh.set("foo"); |
| |
| String o = (String) vh.getAndSetAcquire("bar"); |
| assertEquals(o, "foo", "getAndSetAcquire String"); |
| String x = (String) vh.get(); |
| assertEquals(x, "bar", "getAndSetAcquire String value"); |
| } |
| |
| { |
| vh.set("foo"); |
| |
| String o = (String) vh.getAndSetRelease("bar"); |
| assertEquals(o, "foo", "getAndSetRelease String"); |
| String x = (String) vh.get(); |
| assertEquals(x, "bar", "getAndSetRelease String value"); |
| } |
| |
| |
| } |
| |
| static void testStaticFieldUnsupported(VarHandle vh) { |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndAdd("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndAddAcquire("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndAddRelease("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseOr("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseOrAcquire("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseOrRelease("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseAnd("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseAndAcquire("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseAndRelease("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseXor("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseXorAcquire("foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseXorRelease("foo"); |
| }); |
| } |
| |
| |
| static void testArray(VarHandle vh) { |
| String[] array = new String[10]; |
| |
| for (int i = 0; i < array.length; i++) { |
| // Plain |
| { |
| vh.set(array, i, "foo"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "foo", "get String value"); |
| } |
| |
| |
| // Volatile |
| { |
| vh.setVolatile(array, i, "bar"); |
| String x = (String) vh.getVolatile(array, i); |
| assertEquals(x, "bar", "setVolatile String value"); |
| } |
| |
| // Lazy |
| { |
| vh.setRelease(array, i, "foo"); |
| String x = (String) vh.getAcquire(array, i); |
| assertEquals(x, "foo", "setRelease String value"); |
| } |
| |
| // Opaque |
| { |
| vh.setOpaque(array, i, "bar"); |
| String x = (String) vh.getOpaque(array, i); |
| assertEquals(x, "bar", "setOpaque String value"); |
| } |
| |
| vh.set(array, i, "foo"); |
| |
| // Compare |
| { |
| boolean r = vh.compareAndSet(array, i, "foo", "bar"); |
| assertEquals(r, true, "success compareAndSet String"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "bar", "success compareAndSet String value"); |
| } |
| |
| { |
| boolean r = vh.compareAndSet(array, i, "foo", "baz"); |
| assertEquals(r, false, "failing compareAndSet String"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "bar", "failing compareAndSet String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchange(array, i, "bar", "foo"); |
| assertEquals(r, "bar", "success compareAndExchange String"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "foo", "success compareAndExchange String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchange(array, i, "bar", "baz"); |
| assertEquals(r, "foo", "failing compareAndExchange String"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "foo", "failing compareAndExchange String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchangeAcquire(array, i, "foo", "bar"); |
| assertEquals(r, "foo", "success compareAndExchangeAcquire String"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "bar", "success compareAndExchangeAcquire String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchangeAcquire(array, i, "foo", "baz"); |
| assertEquals(r, "bar", "failing compareAndExchangeAcquire String"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "bar", "failing compareAndExchangeAcquire String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchangeRelease(array, i, "bar", "foo"); |
| assertEquals(r, "bar", "success compareAndExchangeRelease String"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "foo", "success compareAndExchangeRelease String value"); |
| } |
| |
| { |
| String r = (String) vh.compareAndExchangeRelease(array, i, "bar", "baz"); |
| assertEquals(r, "foo", "failing compareAndExchangeRelease String"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "foo", "failing compareAndExchangeRelease String value"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSetPlain(array, i, "foo", "bar"); |
| } |
| assertEquals(success, true, "weakCompareAndSetPlain String"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "bar", "weakCompareAndSetPlain String value"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSetAcquire(array, i, "bar", "foo"); |
| } |
| assertEquals(success, true, "weakCompareAndSetAcquire String"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "foo", "weakCompareAndSetAcquire String"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSetRelease(array, i, "foo", "bar"); |
| } |
| assertEquals(success, true, "weakCompareAndSetRelease String"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "bar", "weakCompareAndSetRelease String"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSet(array, i, "bar", "foo"); |
| } |
| assertEquals(success, true, "weakCompareAndSet String"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "foo", "weakCompareAndSet String"); |
| } |
| |
| // Compare set and get |
| { |
| vh.set(array, i, "foo"); |
| |
| String o = (String) vh.getAndSet(array, i, "bar"); |
| assertEquals(o, "foo", "getAndSet String"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "bar", "getAndSet String value"); |
| } |
| |
| { |
| vh.set(array, i, "foo"); |
| |
| String o = (String) vh.getAndSetAcquire(array, i, "bar"); |
| assertEquals(o, "foo", "getAndSetAcquire String"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "bar", "getAndSetAcquire String value"); |
| } |
| |
| { |
| vh.set(array, i, "foo"); |
| |
| String o = (String) vh.getAndSetRelease(array, i, "bar"); |
| assertEquals(o, "foo", "getAndSetRelease String"); |
| String x = (String) vh.get(array, i); |
| assertEquals(x, "bar", "getAndSetRelease String value"); |
| } |
| |
| |
| } |
| } |
| |
| static void testArrayUnsupported(VarHandle vh) { |
| String[] array = new String[10]; |
| |
| int i = 0; |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndAdd(array, i, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndAddAcquire(array, i, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndAddRelease(array, i, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseOr(array, i, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseOrAcquire(array, i, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseOrRelease(array, i, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseAnd(array, i, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseAndAcquire(array, i, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseAndRelease(array, i, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseXor(array, i, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseXorAcquire(array, i, "foo"); |
| }); |
| |
| checkUOE(() -> { |
| String o = (String) vh.getAndBitwiseXorRelease(array, i, "foo"); |
| }); |
| } |
| |
| static void testArrayIndexOutOfBounds(VarHandle vh) throws Throwable { |
| String[] array = new String[10]; |
| |
| for (int i : new int[]{-1, Integer.MIN_VALUE, 10, 11, Integer.MAX_VALUE}) { |
| final int ci = i; |
| |
| checkIOOBE(() -> { |
| String x = (String) vh.get(array, ci); |
| }); |
| |
| checkIOOBE(() -> { |
| vh.set(array, ci, "foo"); |
| }); |
| |
| checkIOOBE(() -> { |
| String x = (String) vh.getVolatile(array, ci); |
| }); |
| |
| checkIOOBE(() -> { |
| vh.setVolatile(array, ci, "foo"); |
| }); |
| |
| checkIOOBE(() -> { |
| String x = (String) vh.getAcquire(array, ci); |
| }); |
| |
| checkIOOBE(() -> { |
| vh.setRelease(array, ci, "foo"); |
| }); |
| |
| checkIOOBE(() -> { |
| String x = (String) vh.getOpaque(array, ci); |
| }); |
| |
| checkIOOBE(() -> { |
| vh.setOpaque(array, ci, "foo"); |
| }); |
| |
| checkIOOBE(() -> { |
| boolean r = vh.compareAndSet(array, ci, "foo", "bar"); |
| }); |
| |
| checkIOOBE(() -> { |
| String r = (String) vh.compareAndExchange(array, ci, "bar", "foo"); |
| }); |
| |
| checkIOOBE(() -> { |
| String r = (String) vh.compareAndExchangeAcquire(array, ci, "bar", "foo"); |
| }); |
| |
| checkIOOBE(() -> { |
| String r = (String) vh.compareAndExchangeRelease(array, ci, "bar", "foo"); |
| }); |
| |
| checkIOOBE(() -> { |
| boolean r = vh.weakCompareAndSetPlain(array, ci, "foo", "bar"); |
| }); |
| |
| checkIOOBE(() -> { |
| boolean r = vh.weakCompareAndSet(array, ci, "foo", "bar"); |
| }); |
| |
| checkIOOBE(() -> { |
| boolean r = vh.weakCompareAndSetAcquire(array, ci, "foo", "bar"); |
| }); |
| |
| checkIOOBE(() -> { |
| boolean r = vh.weakCompareAndSetRelease(array, ci, "foo", "bar"); |
| }); |
| |
| checkIOOBE(() -> { |
| String o = (String) vh.getAndSet(array, ci, "foo"); |
| }); |
| |
| checkIOOBE(() -> { |
| String o = (String) vh.getAndSetAcquire(array, ci, "foo"); |
| }); |
| |
| checkIOOBE(() -> { |
| String o = (String) vh.getAndSetRelease(array, ci, "foo"); |
| }); |
| |
| |
| } |
| } |
| |
| static void testArrayStoreException(VarHandle vh) throws Throwable { |
| Object[] array = new String[10]; |
| Arrays.fill(array, "foo"); |
| Object value = new Object(); |
| |
| // Set |
| checkASE(() -> { |
| vh.set(array, 0, value); |
| }); |
| |
| // SetVolatile |
| checkASE(() -> { |
| vh.setVolatile(array, 0, value); |
| }); |
| |
| // SetOpaque |
| checkASE(() -> { |
| vh.setOpaque(array, 0, value); |
| }); |
| |
| // SetRelease |
| checkASE(() -> { |
| vh.setRelease(array, 0, value); |
| }); |
| |
| // CompareAndSet |
| checkASE(() -> { // receiver reference class |
| boolean r = vh.compareAndSet(array, 0, "foo", value); |
| }); |
| |
| // WeakCompareAndSet |
| checkASE(() -> { // receiver reference class |
| boolean r = vh.weakCompareAndSetPlain(array, 0, "foo", value); |
| }); |
| |
| // WeakCompareAndSetVolatile |
| checkASE(() -> { // receiver reference class |
| boolean r = vh.weakCompareAndSet(array, 0, "foo", value); |
| }); |
| |
| // WeakCompareAndSetAcquire |
| checkASE(() -> { // receiver reference class |
| boolean r = vh.weakCompareAndSetAcquire(array, 0, "foo", value); |
| }); |
| |
| // WeakCompareAndSetRelease |
| checkASE(() -> { // receiver reference class |
| boolean r = vh.weakCompareAndSetRelease(array, 0, "foo", value); |
| }); |
| |
| // CompareAndExchange |
| checkASE(() -> { // receiver reference class |
| String x = (String) vh.compareAndExchange(array, 0, "foo", value); |
| }); |
| |
| // CompareAndExchangeAcquire |
| checkASE(() -> { // receiver reference class |
| String x = (String) vh.compareAndExchangeAcquire(array, 0, "foo", value); |
| }); |
| |
| // CompareAndExchangeRelease |
| checkASE(() -> { // receiver reference class |
| String x = (String) vh.compareAndExchangeRelease(array, 0, "foo", value); |
| }); |
| |
| // GetAndSet |
| checkASE(() -> { // receiver reference class |
| String x = (String) vh.getAndSet(array, 0, value); |
| }); |
| |
| // GetAndSetAcquire |
| checkASE(() -> { // receiver reference class |
| String x = (String) vh.getAndSetAcquire(array, 0, value); |
| }); |
| |
| // GetAndSetRelease |
| checkASE(() -> { // receiver reference class |
| String x = (String) vh.getAndSetRelease(array, 0, value); |
| }); |
| } |
| } |
| |
