/* * 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 * @run testng/othervm -Xint -Diters=2000 VarHandleTestMethodHandleAccessFloat */ 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 VarHandleTestMethodHandleAccessFloat 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; VarHandle vhValueTypeField; @BeforeClass public void setup() throws Exception { vhFinalField = MethodHandles.lookup().findVarHandle( VarHandleTestMethodHandleAccessFloat.class, "final_v", float.class); vhField = MethodHandles.lookup().findVarHandle( VarHandleTestMethodHandleAccessFloat.class, "v", float.class); vhStaticFinalField = MethodHandles.lookup().findStaticVarHandle( VarHandleTestMethodHandleAccessFloat.class, "static_final_v", float.class); vhStaticField = MethodHandles.lookup().findStaticVarHandle( VarHandleTestMethodHandleAccessFloat.class, "static_v", float.class); vhArray = MethodHandles.arrayElementVarHandle(float[].class); vhValueTypeField = MethodHandles.lookup().findVarHandle( Value.class, "float_v", float.class); } @DataProvider public Object[][] accessTestCaseProvider() throws Exception { List> cases = new ArrayList<>(); for (VarHandleToMethodHandle f : VarHandleToMethodHandle.values()) { cases.add(new MethodHandleAccessTestCase("Instance field", vhField, f, hs -> testInstanceField(this, hs))); cases.add(new MethodHandleAccessTestCase("Instance field unsupported", vhField, f, hs -> testInstanceFieldUnsupported(this, hs), false)); cases.add(new MethodHandleAccessTestCase("Static field", vhStaticField, f, VarHandleTestMethodHandleAccessFloat::testStaticField)); cases.add(new MethodHandleAccessTestCase("Static field unsupported", vhStaticField, f, VarHandleTestMethodHandleAccessFloat::testStaticFieldUnsupported, false)); cases.add(new MethodHandleAccessTestCase("Array", vhArray, f, VarHandleTestMethodHandleAccessFloat::testArray)); cases.add(new MethodHandleAccessTestCase("Array unsupported", vhArray, f, VarHandleTestMethodHandleAccessFloat::testArrayUnsupported, false)); cases.add(new MethodHandleAccessTestCase("Array index out of bounds", vhArray, f, VarHandleTestMethodHandleAccessFloat::testArrayIndexOutOfBounds, false)); cases.add(new MethodHandleAccessTestCase("Value type field", vhValueTypeField, f, hs -> testValueTypeField(Value.VT, hs))); cases.add(new MethodHandleAccessTestCase("Value type field unsupported", vhValueTypeField, f, hs -> testValueTypeFieldUnsupported(Value.VT, hs), 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 testInstanceField(VarHandleTestMethodHandleAccessFloat recv, Handles hs) throws Throwable { // Plain { hs.get(TestAccessMode.SET).invokeExact(recv, 1.0f); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 1.0f, "set float value"); } // Volatile { hs.get(TestAccessMode.SET_VOLATILE).invokeExact(recv, 2.0f); float x = (float) hs.get(TestAccessMode.GET_VOLATILE).invokeExact(recv); assertEquals(x, 2.0f, "setVolatile float value"); } // Lazy { hs.get(TestAccessMode.SET_RELEASE).invokeExact(recv, 1.0f); float x = (float) hs.get(TestAccessMode.GET_ACQUIRE).invokeExact(recv); assertEquals(x, 1.0f, "setRelease float value"); } // Opaque { hs.get(TestAccessMode.SET_OPAQUE).invokeExact(recv, 2.0f); float x = (float) hs.get(TestAccessMode.GET_OPAQUE).invokeExact(recv); assertEquals(x, 2.0f, "setOpaque float value"); } hs.get(TestAccessMode.SET).invokeExact(recv, 1.0f); // Compare { boolean r = (boolean) hs.get(TestAccessMode.COMPARE_AND_SET).invokeExact(recv, 1.0f, 2.0f); assertEquals(r, true, "success compareAndSet float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 2.0f, "success compareAndSet float value"); } { boolean r = (boolean) hs.get(TestAccessMode.COMPARE_AND_SET).invokeExact(recv, 1.0f, 3.0f); assertEquals(r, false, "failing compareAndSet float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 2.0f, "failing compareAndSet float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE).invokeExact(recv, 2.0f, 1.0f); assertEquals(r, 2.0f, "success compareAndExchange float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 1.0f, "success compareAndExchange float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE).invokeExact(recv, 2.0f, 3.0f); assertEquals(r, 1.0f, "failing compareAndExchange float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 1.0f, "failing compareAndExchange float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_ACQUIRE).invokeExact(recv, 1.0f, 2.0f); assertEquals(r, 1.0f, "success compareAndExchangeAcquire float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 2.0f, "success compareAndExchangeAcquire float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_ACQUIRE).invokeExact(recv, 1.0f, 3.0f); assertEquals(r, 2.0f, "failing compareAndExchangeAcquire float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 2.0f, "failing compareAndExchangeAcquire float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_RELEASE).invokeExact(recv, 2.0f, 1.0f); assertEquals(r, 2.0f, "success compareAndExchangeRelease float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 1.0f, "success compareAndExchangeRelease float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_RELEASE).invokeExact(recv, 2.0f, 3.0f); assertEquals(r, 1.0f, "failing compareAndExchangeRelease float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 1.0f, "failing compareAndExchangeRelease float value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_PLAIN).invokeExact(recv, 1.0f, 2.0f); } assertEquals(success, true, "weakCompareAndSetPlain float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 2.0f, "weakCompareAndSetPlain float value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_ACQUIRE).invokeExact(recv, 2.0f, 1.0f); } assertEquals(success, true, "weakCompareAndSetAcquire float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 1.0f, "weakCompareAndSetAcquire float"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_RELEASE).invokeExact(recv, 1.0f, 2.0f); } assertEquals(success, true, "weakCompareAndSetRelease float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 2.0f, "weakCompareAndSetRelease float"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET).invokeExact(recv, 2.0f, 1.0f); } assertEquals(success, true, "weakCompareAndSet float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 1.0f, "weakCompareAndSet float"); } // Compare set and get { float o = (float) hs.get(TestAccessMode.GET_AND_SET).invokeExact(recv, 2.0f); assertEquals(o, 1.0f, "getAndSet float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 2.0f, "getAndSet float value"); } // get and add, add and get { hs.get(TestAccessMode.SET).invokeExact(recv, 1.0f); float o = (float) hs.get(TestAccessMode.GET_AND_ADD).invokeExact(recv, 2.0f); assertEquals(o, 1.0f, "getAndAdd float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, (float)(1.0f + 2.0f), "getAndAdd float value"); } { hs.get(TestAccessMode.SET).invokeExact(recv, 1.0f); float o = (float) hs.get(TestAccessMode.GET_AND_ADD_ACQUIRE).invokeExact(recv, 2.0f); assertEquals(o, 1.0f, "getAndAddAcquire float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, (float)(1.0f + 2.0f), "getAndAddAcquire float value"); } { hs.get(TestAccessMode.SET).invokeExact(recv, 1.0f); float o = (float) hs.get(TestAccessMode.GET_AND_ADD_RELEASE).invokeExact(recv, 2.0f); assertEquals(o, 1.0f, "getAndAddRelease float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, (float)(1.0f + 2.0f), "getAndAddRelease float value"); } } static void testInstanceFieldUnsupported(VarHandleTestMethodHandleAccessFloat recv, Handles hs) throws Throwable { for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_BITWISE)) { checkUOE(am, () -> { float r = (float) hs.get(am).invokeExact(recv, 1.0f); }); } } static void testValueTypeField(Value recv, Handles hs) throws Throwable { // Plain { float x = (float) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 1.0f, "get float value"); } } static void testValueTypeFieldUnsupported(Value recv, Handles hs) throws Throwable { // Plain for (TestAccessMode am : testAccessModesOfType(TestAccessType.SET)) { checkUOE(am, () -> { hs.get(am).invokeExact(recv, 1.0f); }); } for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_BITWISE)) { checkUOE(am, () -> { float r = (float) hs.get(am).invokeExact(recv, 1.0f); }); } } static void testStaticField(Handles hs) throws Throwable { // Plain { hs.get(TestAccessMode.SET).invokeExact(1.0f); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 1.0f, "set float value"); } // Volatile { hs.get(TestAccessMode.SET_VOLATILE).invokeExact(2.0f); float x = (float) hs.get(TestAccessMode.GET_VOLATILE).invokeExact(); assertEquals(x, 2.0f, "setVolatile float value"); } // Lazy { hs.get(TestAccessMode.SET_RELEASE).invokeExact(1.0f); float x = (float) hs.get(TestAccessMode.GET_ACQUIRE).invokeExact(); assertEquals(x, 1.0f, "setRelease float value"); } // Opaque { hs.get(TestAccessMode.SET_OPAQUE).invokeExact(2.0f); float x = (float) hs.get(TestAccessMode.GET_OPAQUE).invokeExact(); assertEquals(x, 2.0f, "setOpaque float value"); } hs.get(TestAccessMode.SET).invokeExact(1.0f); // Compare { boolean r = (boolean) hs.get(TestAccessMode.COMPARE_AND_SET).invokeExact(1.0f, 2.0f); assertEquals(r, true, "success compareAndSet float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 2.0f, "success compareAndSet float value"); } { boolean r = (boolean) hs.get(TestAccessMode.COMPARE_AND_SET).invokeExact(1.0f, 3.0f); assertEquals(r, false, "failing compareAndSet float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 2.0f, "failing compareAndSet float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE).invokeExact(2.0f, 1.0f); assertEquals(r, 2.0f, "success compareAndExchange float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 1.0f, "success compareAndExchange float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE).invokeExact(2.0f, 3.0f); assertEquals(r, 1.0f, "failing compareAndExchange float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 1.0f, "failing compareAndExchange float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_ACQUIRE).invokeExact(1.0f, 2.0f); assertEquals(r, 1.0f, "success compareAndExchangeAcquire float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 2.0f, "success compareAndExchangeAcquire float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_ACQUIRE).invokeExact(1.0f, 3.0f); assertEquals(r, 2.0f, "failing compareAndExchangeAcquire float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 2.0f, "failing compareAndExchangeAcquire float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_RELEASE).invokeExact(2.0f, 1.0f); assertEquals(r, 2.0f, "success compareAndExchangeRelease float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 1.0f, "success compareAndExchangeRelease float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_RELEASE).invokeExact(2.0f, 3.0f); assertEquals(r, 1.0f, "failing compareAndExchangeRelease float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 1.0f, "failing compareAndExchangeRelease float value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_PLAIN).invokeExact(1.0f, 2.0f); } assertEquals(success, true, "weakCompareAndSetPlain float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 2.0f, "weakCompareAndSetPlain float value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_ACQUIRE).invokeExact(2.0f, 1.0f); } assertEquals(success, true, "weakCompareAndSetAcquire float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 1.0f, "weakCompareAndSetAcquire float"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_RELEASE).invokeExact(1.0f, 2.0f); } assertEquals(success, true, "weakCompareAndSetRelease float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 2.0f, "weakCompareAndSetRelease float"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET).invokeExact(2.0f, 1.0f); } assertEquals(success, true, "weakCompareAndSet float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 1.0f, "weakCompareAndSet float"); } // Compare set and get { hs.get(TestAccessMode.SET).invokeExact(1.0f); float o = (float) hs.get(TestAccessMode.GET_AND_SET).invokeExact(2.0f); assertEquals(o, 1.0f, "getAndSet float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 2.0f, "getAndSet float value"); } // Compare set and get { hs.get(TestAccessMode.SET).invokeExact(1.0f); float o = (float) hs.get(TestAccessMode.GET_AND_SET_ACQUIRE).invokeExact(2.0f); assertEquals(o, 1.0f, "getAndSetAcquire float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 2.0f, "getAndSetAcquire float value"); } // Compare set and get { hs.get(TestAccessMode.SET).invokeExact(1.0f); float o = (float) hs.get(TestAccessMode.GET_AND_SET_RELEASE).invokeExact(2.0f); assertEquals(o, 1.0f, "getAndSetRelease float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 2.0f, "getAndSetRelease float value"); } // get and add, add and get { hs.get(TestAccessMode.SET).invokeExact(1.0f); float o = (float) hs.get(TestAccessMode.GET_AND_ADD).invokeExact(2.0f); assertEquals(o, 1.0f, "getAndAdd float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, (float)(1.0f + 2.0f), "getAndAdd float value"); } { hs.get(TestAccessMode.SET).invokeExact(1.0f); float o = (float) hs.get(TestAccessMode.GET_AND_ADD_ACQUIRE).invokeExact(2.0f); assertEquals(o, 1.0f, "getAndAddAcquire float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, (float)(1.0f + 2.0f), "getAndAddAcquire float value"); } { hs.get(TestAccessMode.SET).invokeExact(1.0f); float o = (float) hs.get(TestAccessMode.GET_AND_ADD_RELEASE).invokeExact(2.0f); assertEquals(o, 1.0f, "getAndAddRelease float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, (float)(1.0f + 2.0f), "getAndAddRelease float value"); } } static void testStaticFieldUnsupported(Handles hs) throws Throwable { for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_BITWISE)) { checkUOE(am, () -> { float r = (float) hs.get(am).invokeExact(1.0f); }); } } static void testArray(Handles hs) throws Throwable { float[] array = new float[10]; for (int i = 0; i < array.length; i++) { // Plain { hs.get(TestAccessMode.SET).invokeExact(array, i, 1.0f); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 1.0f, "get float value"); } // Volatile { hs.get(TestAccessMode.SET_VOLATILE).invokeExact(array, i, 2.0f); float x = (float) hs.get(TestAccessMode.GET_VOLATILE).invokeExact(array, i); assertEquals(x, 2.0f, "setVolatile float value"); } // Lazy { hs.get(TestAccessMode.SET_RELEASE).invokeExact(array, i, 1.0f); float x = (float) hs.get(TestAccessMode.GET_ACQUIRE).invokeExact(array, i); assertEquals(x, 1.0f, "setRelease float value"); } // Opaque { hs.get(TestAccessMode.SET_OPAQUE).invokeExact(array, i, 2.0f); float x = (float) hs.get(TestAccessMode.GET_OPAQUE).invokeExact(array, i); assertEquals(x, 2.0f, "setOpaque float value"); } hs.get(TestAccessMode.SET).invokeExact(array, i, 1.0f); // Compare { boolean r = (boolean) hs.get(TestAccessMode.COMPARE_AND_SET).invokeExact(array, i, 1.0f, 2.0f); assertEquals(r, true, "success compareAndSet float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 2.0f, "success compareAndSet float value"); } { boolean r = (boolean) hs.get(TestAccessMode.COMPARE_AND_SET).invokeExact(array, i, 1.0f, 3.0f); assertEquals(r, false, "failing compareAndSet float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 2.0f, "failing compareAndSet float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE).invokeExact(array, i, 2.0f, 1.0f); assertEquals(r, 2.0f, "success compareAndExchange float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 1.0f, "success compareAndExchange float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE).invokeExact(array, i, 2.0f, 3.0f); assertEquals(r, 1.0f, "failing compareAndExchange float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 1.0f, "failing compareAndExchange float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_ACQUIRE).invokeExact(array, i, 1.0f, 2.0f); assertEquals(r, 1.0f, "success compareAndExchangeAcquire float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 2.0f, "success compareAndExchangeAcquire float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_ACQUIRE).invokeExact(array, i, 1.0f, 3.0f); assertEquals(r, 2.0f, "failing compareAndExchangeAcquire float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 2.0f, "failing compareAndExchangeAcquire float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_RELEASE).invokeExact(array, i, 2.0f, 1.0f); assertEquals(r, 2.0f, "success compareAndExchangeRelease float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 1.0f, "success compareAndExchangeRelease float value"); } { float r = (float) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_RELEASE).invokeExact(array, i, 2.0f, 3.0f); assertEquals(r, 1.0f, "failing compareAndExchangeRelease float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 1.0f, "failing compareAndExchangeRelease float value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_PLAIN).invokeExact(array, i, 1.0f, 2.0f); } assertEquals(success, true, "weakCompareAndSetPlain float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 2.0f, "weakCompareAndSetPlain float value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_ACQUIRE).invokeExact(array, i, 2.0f, 1.0f); } assertEquals(success, true, "weakCompareAndSetAcquire float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 1.0f, "weakCompareAndSetAcquire float"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_RELEASE).invokeExact(array, i, 1.0f, 2.0f); } assertEquals(success, true, "weakCompareAndSetRelease float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 2.0f, "weakCompareAndSetRelease float"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET).invokeExact(array, i, 2.0f, 1.0f); } assertEquals(success, true, "weakCompareAndSet float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 1.0f, "weakCompareAndSet float"); } // Compare set and get { hs.get(TestAccessMode.SET).invokeExact(array, i, 1.0f); float o = (float) hs.get(TestAccessMode.GET_AND_SET).invokeExact(array, i, 2.0f); assertEquals(o, 1.0f, "getAndSet float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 2.0f, "getAndSet float value"); } { hs.get(TestAccessMode.SET).invokeExact(array, i, 1.0f); float o = (float) hs.get(TestAccessMode.GET_AND_SET_ACQUIRE).invokeExact(array, i, 2.0f); assertEquals(o, 1.0f, "getAndSetAcquire float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 2.0f, "getAndSetAcquire float value"); } { hs.get(TestAccessMode.SET).invokeExact(array, i, 1.0f); float o = (float) hs.get(TestAccessMode.GET_AND_SET_RELEASE).invokeExact(array, i, 2.0f); assertEquals(o, 1.0f, "getAndSetRelease float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 2.0f, "getAndSetRelease float value"); } // get and add, add and get { hs.get(TestAccessMode.SET).invokeExact(array, i, 1.0f); float o = (float) hs.get(TestAccessMode.GET_AND_ADD).invokeExact(array, i, 2.0f); assertEquals(o, 1.0f, "getAndAdd float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, (float)(1.0f + 2.0f), "getAndAdd float value"); } { hs.get(TestAccessMode.SET).invokeExact(array, i, 1.0f); float o = (float) hs.get(TestAccessMode.GET_AND_ADD_ACQUIRE).invokeExact(array, i, 2.0f); assertEquals(o, 1.0f, "getAndAddAcquire float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, (float)(1.0f + 2.0f), "getAndAddAcquire float value"); } { hs.get(TestAccessMode.SET).invokeExact(array, i, 1.0f); float o = (float) hs.get(TestAccessMode.GET_AND_ADD_RELEASE).invokeExact(array, i, 2.0f); assertEquals(o, 1.0f, "getAndAddRelease float"); float x = (float) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, (float)(1.0f + 2.0f), "getAndAddRelease float value"); } } } static void testArrayUnsupported(Handles hs) throws Throwable { float[] array = new float[10]; final int i = 0; for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_BITWISE)) { checkUOE(am, () -> { float o = (float) hs.get(am).invokeExact(array, i, 1.0f); }); } } static void testArrayIndexOutOfBounds(Handles hs) 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; for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET)) { checkIOOBE(am, () -> { float x = (float) hs.get(am).invokeExact(array, ci); }); } for (TestAccessMode am : testAccessModesOfType(TestAccessType.SET)) { checkIOOBE(am, () -> { hs.get(am).invokeExact(array, ci, 1.0f); }); } for (TestAccessMode am : testAccessModesOfType(TestAccessType.COMPARE_AND_SET)) { checkIOOBE(am, () -> { boolean r = (boolean) hs.get(am).invokeExact(array, ci, 1.0f, 2.0f); }); } for (TestAccessMode am : testAccessModesOfType(TestAccessType.COMPARE_AND_EXCHANGE)) { checkIOOBE(am, () -> { float r = (float) hs.get(am).invokeExact(array, ci, 2.0f, 1.0f); }); } for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_SET)) { checkIOOBE(am, () -> { float o = (float) hs.get(am).invokeExact(array, ci, 1.0f); }); } for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_ADD)) { checkIOOBE(am, () -> { float o = (float) hs.get(am).invokeExact(array, ci, 3.0f); }); } } } }