/* * 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 VarHandleTestAccessFloat * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 VarHandleTestAccessFloat * @run testng/othervm -Diters=20000 VarHandleTestAccessFloat * @run testng/othervm -Diters=20000 -XX:-TieredCompilation VarHandleTestAccessFloat */ 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 VarHandleTestAccessFloat extends VarHandleBaseTest { static final float static_final_v = 1.0f; static float static_v; final float final_v = 1.0f; float v; VarHandle vhFinalField; VarHandle vhField; VarHandle vhStaticField; VarHandle vhStaticFinalField; VarHandle vhArray; @BeforeClass public void setup() throws Exception { vhFinalField = MethodHandles.lookup().findVarHandle( VarHandleTestAccessFloat.class, "final_v", float.class); vhField = MethodHandles.lookup().findVarHandle( VarHandleTestAccessFloat.class, "v", float.class); vhStaticFinalField = MethodHandles.lookup().findStaticVarHandle( VarHandleTestAccessFloat.class, "static_final_v", float.class); vhStaticField = MethodHandles.lookup().findStaticVarHandle( VarHandleTestAccessFloat.class, "static_v", float.class); vhArray = MethodHandles.arrayElementVarHandle(float[].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)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD_ACQUIRE)); assertTrue(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(VarHandleTestAccessFloat.class)}); types.add(new Object[] {vhStaticField, Arrays.asList()}); types.add(new Object[] {vhArray, Arrays.asList(float[].class, int.class)}); return types.stream().toArray(Object[][]::new); } @Test(dataProvider = "typesProvider") public void testTypes(VarHandle vh, List<Class<?>> pts) { assertEquals(vh.varType(), float.class); assertEquals(vh.coordinateTypes(), pts); testTypes(vh); } @Test public void testLookupInstanceToStatic() { checkIAE("Lookup of static final field to instance final field", () -> { MethodHandles.lookup().findStaticVarHandle( VarHandleTestAccessFloat.class, "final_v", float.class); }); checkIAE("Lookup of static field to instance field", () -> { MethodHandles.lookup().findStaticVarHandle( VarHandleTestAccessFloat.class, "v", float.class); }); } @Test public void testLookupStaticToInstance() { checkIAE("Lookup of instance final field to static final field", () -> { MethodHandles.lookup().findVarHandle( VarHandleTestAccessFloat.class, "static_final_v", float.class); }); checkIAE("Lookup of instance field to static field", () -> { vhStaticField = MethodHandles.lookup().findVarHandle( VarHandleTestAccessFloat.class, "static_v", float.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, VarHandleTestAccessFloat::testStaticFinalField)); cases.add(new VarHandleAccessTestCase("Static final field unsupported", vhStaticFinalField, VarHandleTestAccessFloat::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, VarHandleTestAccessFloat::testStaticField)); cases.add(new VarHandleAccessTestCase("Static field unsupported", vhStaticField, VarHandleTestAccessFloat::testStaticFieldUnsupported, false)); cases.add(new VarHandleAccessTestCase("Array", vhArray, VarHandleTestAccessFloat::testArray)); cases.add(new VarHandleAccessTestCase("Array unsupported", vhArray, VarHandleTestAccessFloat::testArrayUnsupported, false)); cases.add(new VarHandleAccessTestCase("Array index out of bounds", vhArray, VarHandleTestAccessFloat::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(VarHandleTestAccessFloat recv, VarHandle vh) { // Plain { float x = (float) vh.get(recv); assertEquals(x, 1.0f, "get float value"); } // Volatile { float x = (float) vh.getVolatile(recv); assertEquals(x, 1.0f, "getVolatile float value"); } // Lazy { float x = (float) vh.getAcquire(recv); assertEquals(x, 1.0f, "getRelease float value"); } // Opaque { float x = (float) vh.getOpaque(recv); assertEquals(x, 1.0f, "getOpaque float value"); } } static void testInstanceFinalFieldUnsupported(VarHandleTestAccessFloat recv, VarHandle vh) { checkUOE(() -> { vh.set(recv, 2.0f); }); checkUOE(() -> { vh.setVolatile(recv, 2.0f); }); checkUOE(() -> { vh.setRelease(recv, 2.0f); }); checkUOE(() -> { vh.setOpaque(recv, 2.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseOr(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseOrAcquire(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseOrRelease(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseAnd(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseAndAcquire(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseAndRelease(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseXor(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseXorAcquire(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseXorRelease(recv, 1.0f); }); } static void testStaticFinalField(VarHandle vh) { // Plain { float x = (float) vh.get(); assertEquals(x, 1.0f, "get float value"); } // Volatile { float x = (float) vh.getVolatile(); assertEquals(x, 1.0f, "getVolatile float value"); } // Lazy { float x = (float) vh.getAcquire(); assertEquals(x, 1.0f, "getRelease float value"); } // Opaque { float x = (float) vh.getOpaque(); assertEquals(x, 1.0f, "getOpaque float value"); } } static void testStaticFinalFieldUnsupported(VarHandle vh) { checkUOE(() -> { vh.set(2.0f); }); checkUOE(() -> { vh.setVolatile(2.0f); }); checkUOE(() -> { vh.setRelease(2.0f); }); checkUOE(() -> { vh.setOpaque(2.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseOr(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseOrAcquire(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseOrRelease(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseAnd(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseAndAcquire(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseAndRelease(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseXor(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseXorAcquire(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseXorRelease(1.0f); }); } static void testInstanceField(VarHandleTestAccessFloat recv, VarHandle vh) { // Plain { vh.set(recv, 1.0f); float x = (float) vh.get(recv); assertEquals(x, 1.0f, "set float value"); } // Volatile { vh.setVolatile(recv, 2.0f); float x = (float) vh.getVolatile(recv); assertEquals(x, 2.0f, "setVolatile float value"); } // Lazy { vh.setRelease(recv, 1.0f); float x = (float) vh.getAcquire(recv); assertEquals(x, 1.0f, "setRelease float value"); } // Opaque { vh.setOpaque(recv, 2.0f); float x = (float) vh.getOpaque(recv); assertEquals(x, 2.0f, "setOpaque float value"); } vh.set(recv, 1.0f); // Compare { boolean r = vh.compareAndSet(recv, 1.0f, 2.0f); assertEquals(r, true, "success compareAndSet float"); float x = (float) vh.get(recv); assertEquals(x, 2.0f, "success compareAndSet float value"); } { boolean r = vh.compareAndSet(recv, 1.0f, 3.0f); assertEquals(r, false, "failing compareAndSet float"); float x = (float) vh.get(recv); assertEquals(x, 2.0f, "failing compareAndSet float value"); } { float r = (float) vh.compareAndExchange(recv, 2.0f, 1.0f); assertEquals(r, 2.0f, "success compareAndExchange float"); float x = (float) vh.get(recv); assertEquals(x, 1.0f, "success compareAndExchange float value"); } { float r = (float) vh.compareAndExchange(recv, 2.0f, 3.0f); assertEquals(r, 1.0f, "failing compareAndExchange float"); float x = (float) vh.get(recv); assertEquals(x, 1.0f, "failing compareAndExchange float value"); } { float r = (float) vh.compareAndExchangeAcquire(recv, 1.0f, 2.0f); assertEquals(r, 1.0f, "success compareAndExchangeAcquire float"); float x = (float) vh.get(recv); assertEquals(x, 2.0f, "success compareAndExchangeAcquire float value"); } { float r = (float) vh.compareAndExchangeAcquire(recv, 1.0f, 3.0f); assertEquals(r, 2.0f, "failing compareAndExchangeAcquire float"); float x = (float) vh.get(recv); assertEquals(x, 2.0f, "failing compareAndExchangeAcquire float value"); } { float r = (float) vh.compareAndExchangeRelease(recv, 2.0f, 1.0f); assertEquals(r, 2.0f, "success compareAndExchangeRelease float"); float x = (float) vh.get(recv); assertEquals(x, 1.0f, "success compareAndExchangeRelease float value"); } { float r = (float) vh.compareAndExchangeRelease(recv, 2.0f, 3.0f); assertEquals(r, 1.0f, "failing compareAndExchangeRelease float"); float x = (float) vh.get(recv); assertEquals(x, 1.0f, "failing compareAndExchangeRelease float value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetPlain(recv, 1.0f, 2.0f); } assertEquals(success, true, "weakCompareAndSetPlain float"); float x = (float) vh.get(recv); assertEquals(x, 2.0f, "weakCompareAndSetPlain float value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetAcquire(recv, 2.0f, 1.0f); } assertEquals(success, true, "weakCompareAndSetAcquire float"); float x = (float) vh.get(recv); assertEquals(x, 1.0f, "weakCompareAndSetAcquire float"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetRelease(recv, 1.0f, 2.0f); } assertEquals(success, true, "weakCompareAndSetRelease float"); float x = (float) vh.get(recv); assertEquals(x, 2.0f, "weakCompareAndSetRelease float"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSet(recv, 2.0f, 1.0f); } assertEquals(success, true, "weakCompareAndSet float"); float x = (float) vh.get(recv); assertEquals(x, 1.0f, "weakCompareAndSet float value"); } // Compare set and get { vh.set(recv, 1.0f); float o = (float) vh.getAndSet(recv, 2.0f); assertEquals(o, 1.0f, "getAndSet float"); float x = (float) vh.get(recv); assertEquals(x, 2.0f, "getAndSet float value"); } { vh.set(recv, 1.0f); float o = (float) vh.getAndSetAcquire(recv, 2.0f); assertEquals(o, 1.0f, "getAndSetAcquire float"); float x = (float) vh.get(recv); assertEquals(x, 2.0f, "getAndSetAcquire float value"); } { vh.set(recv, 1.0f); float o = (float) vh.getAndSetRelease(recv, 2.0f); assertEquals(o, 1.0f, "getAndSetRelease float"); float x = (float) vh.get(recv); assertEquals(x, 2.0f, "getAndSetRelease float value"); } // get and add, add and get { vh.set(recv, 1.0f); float o = (float) vh.getAndAdd(recv, 2.0f); assertEquals(o, 1.0f, "getAndAdd float"); float x = (float) vh.get(recv); assertEquals(x, (float)(1.0f + 2.0f), "getAndAdd float value"); } { vh.set(recv, 1.0f); float o = (float) vh.getAndAddAcquire(recv, 2.0f); assertEquals(o, 1.0f, "getAndAddAcquire float"); float x = (float) vh.get(recv); assertEquals(x, (float)(1.0f + 2.0f), "getAndAddAcquire float value"); } { vh.set(recv, 1.0f); float o = (float) vh.getAndAddRelease(recv, 2.0f); assertEquals(o, 1.0f, "getAndAddReleasefloat"); float x = (float) vh.get(recv); assertEquals(x, (float)(1.0f + 2.0f), "getAndAddRelease float value"); } } static void testInstanceFieldUnsupported(VarHandleTestAccessFloat recv, VarHandle vh) { checkUOE(() -> { float o = (float) vh.getAndBitwiseOr(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseOrAcquire(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseOrRelease(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseAnd(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseAndAcquire(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseAndRelease(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseXor(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseXorAcquire(recv, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseXorRelease(recv, 1.0f); }); } static void testStaticField(VarHandle vh) { // Plain { vh.set(1.0f); float x = (float) vh.get(); assertEquals(x, 1.0f, "set float value"); } // Volatile { vh.setVolatile(2.0f); float x = (float) vh.getVolatile(); assertEquals(x, 2.0f, "setVolatile float value"); } // Lazy { vh.setRelease(1.0f); float x = (float) vh.getAcquire(); assertEquals(x, 1.0f, "setRelease float value"); } // Opaque { vh.setOpaque(2.0f); float x = (float) vh.getOpaque(); assertEquals(x, 2.0f, "setOpaque float value"); } vh.set(1.0f); // Compare { boolean r = vh.compareAndSet(1.0f, 2.0f); assertEquals(r, true, "success compareAndSet float"); float x = (float) vh.get(); assertEquals(x, 2.0f, "success compareAndSet float value"); } { boolean r = vh.compareAndSet(1.0f, 3.0f); assertEquals(r, false, "failing compareAndSet float"); float x = (float) vh.get(); assertEquals(x, 2.0f, "failing compareAndSet float value"); } { float r = (float) vh.compareAndExchange(2.0f, 1.0f); assertEquals(r, 2.0f, "success compareAndExchange float"); float x = (float) vh.get(); assertEquals(x, 1.0f, "success compareAndExchange float value"); } { float r = (float) vh.compareAndExchange(2.0f, 3.0f); assertEquals(r, 1.0f, "failing compareAndExchange float"); float x = (float) vh.get(); assertEquals(x, 1.0f, "failing compareAndExchange float value"); } { float r = (float) vh.compareAndExchangeAcquire(1.0f, 2.0f); assertEquals(r, 1.0f, "success compareAndExchangeAcquire float"); float x = (float) vh.get(); assertEquals(x, 2.0f, "success compareAndExchangeAcquire float value"); } { float r = (float) vh.compareAndExchangeAcquire(1.0f, 3.0f); assertEquals(r, 2.0f, "failing compareAndExchangeAcquire float"); float x = (float) vh.get(); assertEquals(x, 2.0f, "failing compareAndExchangeAcquire float value"); } { float r = (float) vh.compareAndExchangeRelease(2.0f, 1.0f); assertEquals(r, 2.0f, "success compareAndExchangeRelease float"); float x = (float) vh.get(); assertEquals(x, 1.0f, "success compareAndExchangeRelease float value"); } { float r = (float) vh.compareAndExchangeRelease(2.0f, 3.0f); assertEquals(r, 1.0f, "failing compareAndExchangeRelease float"); float x = (float) vh.get(); assertEquals(x, 1.0f, "failing compareAndExchangeRelease float value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetPlain(1.0f, 2.0f); } assertEquals(success, true, "weakCompareAndSetPlain float"); float x = (float) vh.get(); assertEquals(x, 2.0f, "weakCompareAndSetPlain float value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetAcquire(2.0f, 1.0f); } assertEquals(success, true, "weakCompareAndSetAcquire float"); float x = (float) vh.get(); assertEquals(x, 1.0f, "weakCompareAndSetAcquire float"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetRelease(1.0f, 2.0f); } assertEquals(success, true, "weakCompareAndSetRelease float"); float x = (float) vh.get(); assertEquals(x, 2.0f, "weakCompareAndSetRelease float"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSet(2.0f, 1.0f); } assertEquals(success, true, "weakCompareAndSet float"); float x = (float) vh.get(); assertEquals(x, 1.0f, "weakCompareAndSet float"); } // Compare set and get { vh.set(1.0f); float o = (float) vh.getAndSet(2.0f); assertEquals(o, 1.0f, "getAndSet float"); float x = (float) vh.get(); assertEquals(x, 2.0f, "getAndSet float value"); } { vh.set(1.0f); float o = (float) vh.getAndSetAcquire(2.0f); assertEquals(o, 1.0f, "getAndSetAcquire float"); float x = (float) vh.get(); assertEquals(x, 2.0f, "getAndSetAcquire float value"); } { vh.set(1.0f); float o = (float) vh.getAndSetRelease(2.0f); assertEquals(o, 1.0f, "getAndSetRelease float"); float x = (float) vh.get(); assertEquals(x, 2.0f, "getAndSetRelease float value"); } // get and add, add and get { vh.set(1.0f); float o = (float) vh.getAndAdd(2.0f); assertEquals(o, 1.0f, "getAndAdd float"); float x = (float) vh.get(); assertEquals(x, (float)(1.0f + 2.0f), "getAndAdd float value"); } { vh.set(1.0f); float o = (float) vh.getAndAddAcquire(2.0f); assertEquals(o, 1.0f, "getAndAddAcquire float"); float x = (float) vh.get(); assertEquals(x, (float)(1.0f + 2.0f), "getAndAddAcquire float value"); } { vh.set(1.0f); float o = (float) vh.getAndAddRelease(2.0f); assertEquals(o, 1.0f, "getAndAddReleasefloat"); float x = (float) vh.get(); assertEquals(x, (float)(1.0f + 2.0f), "getAndAddRelease float value"); } } static void testStaticFieldUnsupported(VarHandle vh) { checkUOE(() -> { float o = (float) vh.getAndBitwiseOr(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseOrAcquire(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseOrRelease(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseAnd(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseAndAcquire(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseAndRelease(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseXor(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseXorAcquire(1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseXorRelease(1.0f); }); } static void testArray(VarHandle vh) { float[] array = new float[10]; for (int i = 0; i < array.length; i++) { // Plain { vh.set(array, i, 1.0f); float x = (float) vh.get(array, i); assertEquals(x, 1.0f, "get float value"); } // Volatile { vh.setVolatile(array, i, 2.0f); float x = (float) vh.getVolatile(array, i); assertEquals(x, 2.0f, "setVolatile float value"); } // Lazy { vh.setRelease(array, i, 1.0f); float x = (float) vh.getAcquire(array, i); assertEquals(x, 1.0f, "setRelease float value"); } // Opaque { vh.setOpaque(array, i, 2.0f); float x = (float) vh.getOpaque(array, i); assertEquals(x, 2.0f, "setOpaque float value"); } vh.set(array, i, 1.0f); // Compare { boolean r = vh.compareAndSet(array, i, 1.0f, 2.0f); assertEquals(r, true, "success compareAndSet float"); float x = (float) vh.get(array, i); assertEquals(x, 2.0f, "success compareAndSet float value"); } { boolean r = vh.compareAndSet(array, i, 1.0f, 3.0f); assertEquals(r, false, "failing compareAndSet float"); float x = (float) vh.get(array, i); assertEquals(x, 2.0f, "failing compareAndSet float value"); } { float r = (float) vh.compareAndExchange(array, i, 2.0f, 1.0f); assertEquals(r, 2.0f, "success compareAndExchange float"); float x = (float) vh.get(array, i); assertEquals(x, 1.0f, "success compareAndExchange float value"); } { float r = (float) vh.compareAndExchange(array, i, 2.0f, 3.0f); assertEquals(r, 1.0f, "failing compareAndExchange float"); float x = (float) vh.get(array, i); assertEquals(x, 1.0f, "failing compareAndExchange float value"); } { float r = (float) vh.compareAndExchangeAcquire(array, i, 1.0f, 2.0f); assertEquals(r, 1.0f, "success compareAndExchangeAcquire float"); float x = (float) vh.get(array, i); assertEquals(x, 2.0f, "success compareAndExchangeAcquire float value"); } { float r = (float) vh.compareAndExchangeAcquire(array, i, 1.0f, 3.0f); assertEquals(r, 2.0f, "failing compareAndExchangeAcquire float"); float x = (float) vh.get(array, i); assertEquals(x, 2.0f, "failing compareAndExchangeAcquire float value"); } { float r = (float) vh.compareAndExchangeRelease(array, i, 2.0f, 1.0f); assertEquals(r, 2.0f, "success compareAndExchangeRelease float"); float x = (float) vh.get(array, i); assertEquals(x, 1.0f, "success compareAndExchangeRelease float value"); } { float r = (float) vh.compareAndExchangeRelease(array, i, 2.0f, 3.0f); assertEquals(r, 1.0f, "failing compareAndExchangeRelease float"); float x = (float) vh.get(array, i); assertEquals(x, 1.0f, "failing compareAndExchangeRelease float value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetPlain(array, i, 1.0f, 2.0f); } assertEquals(success, true, "weakCompareAndSetPlain float"); float x = (float) vh.get(array, i); assertEquals(x, 2.0f, "weakCompareAndSetPlain float value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetAcquire(array, i, 2.0f, 1.0f); } assertEquals(success, true, "weakCompareAndSetAcquire float"); float x = (float) vh.get(array, i); assertEquals(x, 1.0f, "weakCompareAndSetAcquire float"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSetRelease(array, i, 1.0f, 2.0f); } assertEquals(success, true, "weakCompareAndSetRelease float"); float x = (float) vh.get(array, i); assertEquals(x, 2.0f, "weakCompareAndSetRelease float"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = vh.weakCompareAndSet(array, i, 2.0f, 1.0f); } assertEquals(success, true, "weakCompareAndSet float"); float x = (float) vh.get(array, i); assertEquals(x, 1.0f, "weakCompareAndSet float"); } // Compare set and get { vh.set(array, i, 1.0f); float o = (float) vh.getAndSet(array, i, 2.0f); assertEquals(o, 1.0f, "getAndSet float"); float x = (float) vh.get(array, i); assertEquals(x, 2.0f, "getAndSet float value"); } { vh.set(array, i, 1.0f); float o = (float) vh.getAndSetAcquire(array, i, 2.0f); assertEquals(o, 1.0f, "getAndSetAcquire float"); float x = (float) vh.get(array, i); assertEquals(x, 2.0f, "getAndSetAcquire float value"); } { vh.set(array, i, 1.0f); float o = (float) vh.getAndSetRelease(array, i, 2.0f); assertEquals(o, 1.0f, "getAndSetRelease float"); float x = (float) vh.get(array, i); assertEquals(x, 2.0f, "getAndSetRelease float value"); } // get and add, add and get { vh.set(array, i, 1.0f); float o = (float) vh.getAndAdd(array, i, 2.0f); assertEquals(o, 1.0f, "getAndAdd float"); float x = (float) vh.get(array, i); assertEquals(x, (float)(1.0f + 2.0f), "getAndAdd float value"); } { vh.set(array, i, 1.0f); float o = (float) vh.getAndAddAcquire(array, i, 2.0f); assertEquals(o, 1.0f, "getAndAddAcquire float"); float x = (float) vh.get(array, i); assertEquals(x, (float)(1.0f + 2.0f), "getAndAddAcquire float value"); } { vh.set(array, i, 1.0f); float o = (float) vh.getAndAddRelease(array, i, 2.0f); assertEquals(o, 1.0f, "getAndAddReleasefloat"); float x = (float) vh.get(array, i); assertEquals(x, (float)(1.0f + 2.0f), "getAndAddRelease float value"); } } } static void testArrayUnsupported(VarHandle vh) { float[] array = new float[10]; int i = 0; checkUOE(() -> { float o = (float) vh.getAndBitwiseOr(array, i, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseOrAcquire(array, i, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseOrRelease(array, i, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseAnd(array, i, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseAndAcquire(array, i, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseAndRelease(array, i, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseXor(array, i, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseXorAcquire(array, i, 1.0f); }); checkUOE(() -> { float o = (float) vh.getAndBitwiseXorRelease(array, i, 1.0f); }); } static void testArrayIndexOutOfBounds(VarHandle vh) throws Throwable { float[] array = new float[10]; for (int i : new int[]{-1, Integer.MIN_VALUE, 10, 11, Integer.MAX_VALUE}) { final int ci = i; checkIOOBE(() -> { float x = (float) vh.get(array, ci); }); checkIOOBE(() -> { vh.set(array, ci, 1.0f); }); checkIOOBE(() -> { float x = (float) vh.getVolatile(array, ci); }); checkIOOBE(() -> { vh.setVolatile(array, ci, 1.0f); }); checkIOOBE(() -> { float x = (float) vh.getAcquire(array, ci); }); checkIOOBE(() -> { vh.setRelease(array, ci, 1.0f); }); checkIOOBE(() -> { float x = (float) vh.getOpaque(array, ci); }); checkIOOBE(() -> { vh.setOpaque(array, ci, 1.0f); }); checkIOOBE(() -> { boolean r = vh.compareAndSet(array, ci, 1.0f, 2.0f); }); checkIOOBE(() -> { float r = (float) vh.compareAndExchange(array, ci, 2.0f, 1.0f); }); checkIOOBE(() -> { float r = (float) vh.compareAndExchangeAcquire(array, ci, 2.0f, 1.0f); }); checkIOOBE(() -> { float r = (float) vh.compareAndExchangeRelease(array, ci, 2.0f, 1.0f); }); checkIOOBE(() -> { boolean r = vh.weakCompareAndSetPlain(array, ci, 1.0f, 2.0f); }); checkIOOBE(() -> { boolean r = vh.weakCompareAndSet(array, ci, 1.0f, 2.0f); }); checkIOOBE(() -> { boolean r = vh.weakCompareAndSetAcquire(array, ci, 1.0f, 2.0f); }); checkIOOBE(() -> { boolean r = vh.weakCompareAndSetRelease(array, ci, 1.0f, 2.0f); }); checkIOOBE(() -> { float o = (float) vh.getAndSet(array, ci, 1.0f); }); checkIOOBE(() -> { float o = (float) vh.getAndSetAcquire(array, ci, 1.0f); }); checkIOOBE(() -> { float o = (float) vh.getAndSetRelease(array, ci, 1.0f); }); checkIOOBE(() -> { float o = (float) vh.getAndAdd(array, ci, 1.0f); }); checkIOOBE(() -> { float o = (float) vh.getAndAddAcquire(array, ci, 1.0f); }); checkIOOBE(() -> { float o = (float) vh.getAndAddRelease(array, ci, 1.0f); }); } } }