| /* |
| * 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 VarHandleTestAccessDouble |
| * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 VarHandleTestAccessDouble |
| * @run testng/othervm -Diters=20000 VarHandleTestAccessDouble |
| * @run testng/othervm -Diters=20000 -XX:-TieredCompilation VarHandleTestAccessDouble |
| */ |
| |
| 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 VarHandleTestAccessDouble extends VarHandleBaseTest { |
| static final double static_final_v = 1.0d; |
| |
| static double static_v; |
| |
| final double final_v = 1.0d; |
| |
| double v; |
| |
| VarHandle vhFinalField; |
| |
| VarHandle vhField; |
| |
| VarHandle vhStaticField; |
| |
| VarHandle vhStaticFinalField; |
| |
| VarHandle vhArray; |
| |
| @BeforeClass |
| public void setup() throws Exception { |
| vhFinalField = MethodHandles.lookup().findVarHandle( |
| VarHandleTestAccessDouble.class, "final_v", double.class); |
| |
| vhField = MethodHandles.lookup().findVarHandle( |
| VarHandleTestAccessDouble.class, "v", double.class); |
| |
| vhStaticFinalField = MethodHandles.lookup().findStaticVarHandle( |
| VarHandleTestAccessDouble.class, "static_final_v", double.class); |
| |
| vhStaticField = MethodHandles.lookup().findStaticVarHandle( |
| VarHandleTestAccessDouble.class, "static_v", double.class); |
| |
| vhArray = MethodHandles.arrayElementVarHandle(double[].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)); |
| |
| 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_VOLATILE)); |
| 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)); |
| |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD)); |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.ADD_AND_GET)); |
| } |
| |
| |
| @DataProvider |
| public Object[][] typesProvider() throws Exception { |
| List<Object[]> types = new ArrayList<>(); |
| types.add(new Object[] {vhField, Arrays.asList(VarHandleTestAccessDouble.class)}); |
| types.add(new Object[] {vhStaticField, Arrays.asList()}); |
| types.add(new Object[] {vhArray, Arrays.asList(double[].class, int.class)}); |
| |
| return types.stream().toArray(Object[][]::new); |
| } |
| |
| @Test(dataProvider = "typesProvider") |
| public void testTypes(VarHandle vh, List<Class<?>> pts) { |
| assertEquals(vh.varType(), double.class); |
| |
| assertEquals(vh.coordinateTypes(), pts); |
| |
| testTypes(vh); |
| } |
| |
| |
| @Test |
| public void testLookupInstanceToStatic() { |
| checkIAE("Lookup of static final field to instance final field", () -> { |
| MethodHandles.lookup().findStaticVarHandle( |
| VarHandleTestAccessDouble.class, "final_v", double.class); |
| }); |
| |
| checkIAE("Lookup of static field to instance field", () -> { |
| MethodHandles.lookup().findStaticVarHandle( |
| VarHandleTestAccessDouble.class, "v", double.class); |
| }); |
| } |
| |
| @Test |
| public void testLookupStaticToInstance() { |
| checkIAE("Lookup of instance final field to static final field", () -> { |
| MethodHandles.lookup().findVarHandle( |
| VarHandleTestAccessDouble.class, "static_final_v", double.class); |
| }); |
| |
| checkIAE("Lookup of instance field to static field", () -> { |
| vhStaticField = MethodHandles.lookup().findVarHandle( |
| VarHandleTestAccessDouble.class, "static_v", double.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, VarHandleTestAccessDouble::testStaticFinalField)); |
| cases.add(new VarHandleAccessTestCase("Static final field unsupported", |
| vhStaticFinalField, VarHandleTestAccessDouble::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, VarHandleTestAccessDouble::testStaticField)); |
| cases.add(new VarHandleAccessTestCase("Static field unsupported", |
| vhStaticField, VarHandleTestAccessDouble::testStaticFieldUnsupported, |
| false)); |
| |
| cases.add(new VarHandleAccessTestCase("Array", |
| vhArray, VarHandleTestAccessDouble::testArray)); |
| cases.add(new VarHandleAccessTestCase("Array unsupported", |
| vhArray, VarHandleTestAccessDouble::testArrayUnsupported, |
| false)); |
| cases.add(new VarHandleAccessTestCase("Array index out of bounds", |
| vhArray, VarHandleTestAccessDouble::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 <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(VarHandleTestAccessDouble recv, VarHandle vh) { |
| // Plain |
| { |
| double x = (double) vh.get(recv); |
| assertEquals(x, 1.0d, "get double value"); |
| } |
| |
| |
| // Volatile |
| { |
| double x = (double) vh.getVolatile(recv); |
| assertEquals(x, 1.0d, "getVolatile double value"); |
| } |
| |
| // Lazy |
| { |
| double x = (double) vh.getAcquire(recv); |
| assertEquals(x, 1.0d, "getRelease double value"); |
| } |
| |
| // Opaque |
| { |
| double x = (double) vh.getOpaque(recv); |
| assertEquals(x, 1.0d, "getOpaque double value"); |
| } |
| } |
| |
| static void testInstanceFinalFieldUnsupported(VarHandleTestAccessDouble recv, VarHandle vh) { |
| checkUOE(() -> { |
| vh.set(recv, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| vh.setVolatile(recv, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| vh.setRelease(recv, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| vh.setOpaque(recv, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.compareAndSet(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.compareAndExchangeVolatile(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.compareAndExchangeAcquire(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.compareAndExchangeRelease(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSet(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSetVolatile(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSetAcquire(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSetRelease(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.getAndSet(recv, 1.0d); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndAdd(recv, 1.0d); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.addAndGet(recv, 1.0d); |
| }); |
| } |
| |
| |
| static void testStaticFinalField(VarHandle vh) { |
| // Plain |
| { |
| double x = (double) vh.get(); |
| assertEquals(x, 1.0d, "get double value"); |
| } |
| |
| |
| // Volatile |
| { |
| double x = (double) vh.getVolatile(); |
| assertEquals(x, 1.0d, "getVolatile double value"); |
| } |
| |
| // Lazy |
| { |
| double x = (double) vh.getAcquire(); |
| assertEquals(x, 1.0d, "getRelease double value"); |
| } |
| |
| // Opaque |
| { |
| double x = (double) vh.getOpaque(); |
| assertEquals(x, 1.0d, "getOpaque double value"); |
| } |
| } |
| |
| static void testStaticFinalFieldUnsupported(VarHandle vh) { |
| checkUOE(() -> { |
| vh.set(2.0d); |
| }); |
| |
| checkUOE(() -> { |
| vh.setVolatile(2.0d); |
| }); |
| |
| checkUOE(() -> { |
| vh.setRelease(2.0d); |
| }); |
| |
| checkUOE(() -> { |
| vh.setOpaque(2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.compareAndSet(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.compareAndExchangeVolatile(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.compareAndExchangeAcquire(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.compareAndExchangeRelease(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSet(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSetVolatile(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSetAcquire(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSetRelease(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.getAndSet(1.0d); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndAdd(1.0d); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.addAndGet(1.0d); |
| }); |
| } |
| |
| |
| static void testInstanceField(VarHandleTestAccessDouble recv, VarHandle vh) { |
| // Plain |
| { |
| vh.set(recv, 1.0d); |
| double x = (double) vh.get(recv); |
| assertEquals(x, 1.0d, "set double value"); |
| } |
| |
| |
| // Volatile |
| { |
| vh.setVolatile(recv, 2.0d); |
| double x = (double) vh.getVolatile(recv); |
| assertEquals(x, 2.0d, "setVolatile double value"); |
| } |
| |
| // Lazy |
| { |
| vh.setRelease(recv, 1.0d); |
| double x = (double) vh.getAcquire(recv); |
| assertEquals(x, 1.0d, "setRelease double value"); |
| } |
| |
| // Opaque |
| { |
| vh.setOpaque(recv, 2.0d); |
| double x = (double) vh.getOpaque(recv); |
| assertEquals(x, 2.0d, "setOpaque double value"); |
| } |
| |
| |
| } |
| |
| static void testInstanceFieldUnsupported(VarHandleTestAccessDouble recv, VarHandle vh) { |
| checkUOE(() -> { |
| boolean r = vh.compareAndSet(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.compareAndExchangeVolatile(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.compareAndExchangeAcquire(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.compareAndExchangeRelease(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSet(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSetVolatile(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSetAcquire(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSetRelease(recv, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.getAndSet(recv, 1.0d); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndAdd(recv, 1.0d); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.addAndGet(recv, 1.0d); |
| }); |
| } |
| |
| |
| static void testStaticField(VarHandle vh) { |
| // Plain |
| { |
| vh.set(1.0d); |
| double x = (double) vh.get(); |
| assertEquals(x, 1.0d, "set double value"); |
| } |
| |
| |
| // Volatile |
| { |
| vh.setVolatile(2.0d); |
| double x = (double) vh.getVolatile(); |
| assertEquals(x, 2.0d, "setVolatile double value"); |
| } |
| |
| // Lazy |
| { |
| vh.setRelease(1.0d); |
| double x = (double) vh.getAcquire(); |
| assertEquals(x, 1.0d, "setRelease double value"); |
| } |
| |
| // Opaque |
| { |
| vh.setOpaque(2.0d); |
| double x = (double) vh.getOpaque(); |
| assertEquals(x, 2.0d, "setOpaque double value"); |
| } |
| |
| |
| } |
| |
| static void testStaticFieldUnsupported(VarHandle vh) { |
| checkUOE(() -> { |
| boolean r = vh.compareAndSet(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.compareAndExchangeVolatile(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.compareAndExchangeAcquire(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.compareAndExchangeRelease(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSet(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSetVolatile(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSetAcquire(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSetRelease(1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.getAndSet(1.0d); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndAdd(1.0d); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.addAndGet(1.0d); |
| }); |
| } |
| |
| |
| static void testArray(VarHandle vh) { |
| double[] array = new double[10]; |
| |
| for (int i = 0; i < array.length; i++) { |
| // Plain |
| { |
| vh.set(array, i, 1.0d); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, 1.0d, "get double value"); |
| } |
| |
| |
| // Volatile |
| { |
| vh.setVolatile(array, i, 2.0d); |
| double x = (double) vh.getVolatile(array, i); |
| assertEquals(x, 2.0d, "setVolatile double value"); |
| } |
| |
| // Lazy |
| { |
| vh.setRelease(array, i, 1.0d); |
| double x = (double) vh.getAcquire(array, i); |
| assertEquals(x, 1.0d, "setRelease double value"); |
| } |
| |
| // Opaque |
| { |
| vh.setOpaque(array, i, 2.0d); |
| double x = (double) vh.getOpaque(array, i); |
| assertEquals(x, 2.0d, "setOpaque double value"); |
| } |
| |
| |
| } |
| } |
| |
| static void testArrayUnsupported(VarHandle vh) { |
| double[] array = new double[10]; |
| |
| int i = 0; |
| checkUOE(() -> { |
| boolean r = vh.compareAndSet(array, i, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.compareAndExchangeVolatile(array, i, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.compareAndExchangeAcquire(array, i, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.compareAndExchangeRelease(array, i, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSet(array, i, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSetVolatile(array, i, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSetAcquire(array, i, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| boolean r = vh.weakCompareAndSetRelease(array, i, 1.0d, 2.0d); |
| }); |
| |
| checkUOE(() -> { |
| double r = (double) vh.getAndSet(array, i, 1.0d); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndAdd(array, i, 1.0d); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.addAndGet(array, i, 1.0d); |
| }); |
| } |
| |
| static void testArrayIndexOutOfBounds(VarHandle vh) throws Throwable { |
| double[] array = new double[10]; |
| |
| for (int i : new int[]{-1, Integer.MIN_VALUE, 10, 11, Integer.MAX_VALUE}) { |
| final int ci = i; |
| |
| checkIOOBE(() -> { |
| double x = (double) vh.get(array, ci); |
| }); |
| |
| checkIOOBE(() -> { |
| vh.set(array, ci, 1.0d); |
| }); |
| |
| checkIOOBE(() -> { |
| double x = (double) vh.getVolatile(array, ci); |
| }); |
| |
| checkIOOBE(() -> { |
| vh.setVolatile(array, ci, 1.0d); |
| }); |
| |
| checkIOOBE(() -> { |
| double x = (double) vh.getAcquire(array, ci); |
| }); |
| |
| checkIOOBE(() -> { |
| vh.setRelease(array, ci, 1.0d); |
| }); |
| |
| checkIOOBE(() -> { |
| double x = (double) vh.getOpaque(array, ci); |
| }); |
| |
| checkIOOBE(() -> { |
| vh.setOpaque(array, ci, 1.0d); |
| }); |
| |
| |
| } |
| } |
| } |
| |