| /* |
| * 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 |
| * @bug 8154556 |
| * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 VarHandleTestByteArrayAsDouble |
| * @run testng/othervm -Diters=20000 VarHandleTestByteArrayAsDouble |
| * @run testng/othervm -Diters=20000 -XX:-TieredCompilation VarHandleTestByteArrayAsDouble |
| */ |
| |
| import org.testng.annotations.DataProvider; |
| import org.testng.annotations.Test; |
| |
| import java.lang.invoke.MethodHandles; |
| import java.lang.invoke.VarHandle; |
| import java.nio.ByteBuffer; |
| import java.nio.ByteOrder; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.EnumSet; |
| import java.util.List; |
| |
| import static org.testng.Assert.*; |
| |
| public class VarHandleTestByteArrayAsDouble extends VarHandleBaseByteArrayTest { |
| static final int SIZE = Double.BYTES; |
| |
| static final double VALUE_1 = 0x0102030405060708L; |
| |
| static final double VALUE_2 = 0x1112131415161718L; |
| |
| static final double VALUE_3 = 0xFFFEFDFCFBFAF9F8L; |
| |
| |
| @Override |
| public void setupVarHandleSources() { |
| // Combinations of VarHandle byte[] or ByteBuffer |
| vhss = new ArrayList<>(); |
| for (MemoryMode endianess : Arrays.asList(MemoryMode.BIG_ENDIAN, MemoryMode.LITTLE_ENDIAN)) { |
| |
| ByteOrder bo = endianess == MemoryMode.BIG_ENDIAN |
| ? ByteOrder.BIG_ENDIAN : ByteOrder.LITTLE_ENDIAN; |
| VarHandleSource aeh = new VarHandleSource( |
| MethodHandles.byteArrayViewVarHandle(double[].class, bo), |
| endianess, MemoryMode.READ_WRITE); |
| vhss.add(aeh); |
| |
| VarHandleSource bbh = new VarHandleSource( |
| MethodHandles.byteBufferViewVarHandle(double[].class, bo), |
| endianess, MemoryMode.READ_WRITE); |
| vhss.add(bbh); |
| } |
| } |
| |
| |
| @Test(dataProvider = "varHandlesProvider") |
| public void testIsAccessModeSupported(VarHandleSource vhs) { |
| VarHandle vh = vhs.s; |
| |
| 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)); |
| } |
| |
| @Test(dataProvider = "typesProvider") |
| public void testTypes(VarHandle vh, List<java.lang.Class<?>> pts) { |
| assertEquals(vh.varType(), double.class); |
| |
| assertEquals(vh.coordinateTypes(), pts); |
| |
| testTypes(vh); |
| } |
| |
| |
| @DataProvider |
| public Object[][] accessTestCaseProvider() throws Exception { |
| List<AccessTestCase<?>> cases = new ArrayList<>(); |
| |
| for (ByteArrayViewSource<?> bav : bavss) { |
| for (VarHandleSource vh : vhss) { |
| if (vh.matches(bav)) { |
| if (bav instanceof ByteArraySource) { |
| ByteArraySource bas = (ByteArraySource) bav; |
| |
| cases.add(new VarHandleSourceAccessTestCase( |
| "read write", bav, vh, h -> testArrayReadWrite(bas, h), |
| true)); |
| cases.add(new VarHandleSourceAccessTestCase( |
| "null array", bav, vh, h -> testArrayNPE(bas, h), |
| false)); |
| cases.add(new VarHandleSourceAccessTestCase( |
| "unsupported", bav, vh, h -> testArrayUnsupported(bas, h), |
| false)); |
| cases.add(new VarHandleSourceAccessTestCase( |
| "index out of bounds", bav, vh, h -> testArrayIndexOutOfBounds(bas, h), |
| false)); |
| cases.add(new VarHandleSourceAccessTestCase( |
| "misaligned access", bav, vh, h -> testArrayMisalignedAccess(bas, h), |
| false)); |
| } |
| else { |
| ByteBufferSource bbs = (ByteBufferSource) bav; |
| |
| if (MemoryMode.READ_WRITE.isSet(bav.memoryModes)) { |
| cases.add(new VarHandleSourceAccessTestCase( |
| "read write", bav, vh, h -> testArrayReadWrite(bbs, h), |
| true)); |
| } |
| else { |
| cases.add(new VarHandleSourceAccessTestCase( |
| "read only", bav, vh, h -> testArrayReadOnly(bbs, h), |
| true)); |
| } |
| |
| cases.add(new VarHandleSourceAccessTestCase( |
| "null buffer", bav, vh, h -> testArrayNPE(bbs, h), |
| false)); |
| cases.add(new VarHandleSourceAccessTestCase( |
| "unsupported", bav, vh, h -> testArrayUnsupported(bbs, h), |
| false)); |
| cases.add(new VarHandleSourceAccessTestCase( |
| "index out of bounds", bav, vh, h -> testArrayIndexOutOfBounds(bbs, h), |
| false)); |
| cases.add(new VarHandleSourceAccessTestCase( |
| "misaligned access", bav, vh, h -> testArrayMisalignedAccess(bbs, h), |
| 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 testArrayNPE(ByteArraySource bs, VarHandleSource vhs) { |
| VarHandle vh = vhs.s; |
| byte[] array = null; |
| int ci = 1; |
| |
| checkNPE(() -> { |
| double x = (double) vh.get(array, ci); |
| }); |
| |
| checkNPE(() -> { |
| vh.set(array, ci, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| double x = (double) vh.getVolatile(array, ci); |
| }); |
| |
| checkNPE(() -> { |
| double x = (double) vh.getAcquire(array, ci); |
| }); |
| |
| checkNPE(() -> { |
| double x = (double) vh.getOpaque(array, ci); |
| }); |
| |
| checkNPE(() -> { |
| vh.setVolatile(array, ci, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| vh.setRelease(array, ci, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| vh.setOpaque(array, ci, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| boolean r = vh.compareAndSet(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkNPE(() -> { |
| double r = (double) vh.compareAndExchange(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| double r = (double) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| double r = (double) vh.compareAndExchangeRelease(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| boolean r = vh.weakCompareAndSetPlain(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkNPE(() -> { |
| boolean r = vh.weakCompareAndSet(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkNPE(() -> { |
| boolean r = vh.weakCompareAndSetAcquire(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkNPE(() -> { |
| boolean r = vh.weakCompareAndSetRelease(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkNPE(() -> { |
| double o = (double) vh.getAndSet(array, ci, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| double o = (double) vh.getAndSetAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| double o = (double) vh.getAndSetRelease(array, ci, VALUE_1); |
| }); |
| |
| |
| } |
| |
| static void testArrayNPE(ByteBufferSource bs, VarHandleSource vhs) { |
| VarHandle vh = vhs.s; |
| ByteBuffer array = null; |
| int ci = 1; |
| |
| checkNPE(() -> { |
| double x = (double) vh.get(array, ci); |
| }); |
| |
| checkNPE(() -> { |
| vh.set(array, ci, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| double x = (double) vh.getVolatile(array, ci); |
| }); |
| |
| checkNPE(() -> { |
| double x = (double) vh.getAcquire(array, ci); |
| }); |
| |
| checkNPE(() -> { |
| double x = (double) vh.getOpaque(array, ci); |
| }); |
| |
| checkNPE(() -> { |
| vh.setVolatile(array, ci, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| vh.setRelease(array, ci, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| vh.setOpaque(array, ci, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| boolean r = vh.compareAndSet(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkNPE(() -> { |
| double r = (double) vh.compareAndExchange(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| double r = (double) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| double r = (double) vh.compareAndExchangeRelease(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| boolean r = vh.weakCompareAndSetPlain(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkNPE(() -> { |
| boolean r = vh.weakCompareAndSet(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkNPE(() -> { |
| boolean r = vh.weakCompareAndSetAcquire(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkNPE(() -> { |
| boolean r = vh.weakCompareAndSetRelease(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkNPE(() -> { |
| double o = (double) vh.getAndSet(array, ci, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| double o = (double) vh.getAndSetAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkNPE(() -> { |
| double o = (double) vh.getAndSetRelease(array, ci, VALUE_1); |
| }); |
| |
| |
| } |
| |
| static void testArrayUnsupported(ByteArraySource bs, VarHandleSource vhs) { |
| VarHandle vh = vhs.s; |
| byte[] array = bs.s; |
| int ci = 1; |
| |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndAdd(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndAddAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndAddRelease(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseOr(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseOrAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseOrRelease(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseAnd(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseAndAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseAndRelease(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseXor(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseXorAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseXorRelease(array, ci, VALUE_1); |
| }); |
| } |
| |
| static void testArrayUnsupported(ByteBufferSource bs, VarHandleSource vhs) { |
| VarHandle vh = vhs.s; |
| ByteBuffer array = bs.s; |
| int ci = 0; |
| boolean readOnly = MemoryMode.READ_ONLY.isSet(bs.memoryModes); |
| |
| if (readOnly) { |
| checkROBE(() -> { |
| vh.set(array, ci, VALUE_1); |
| }); |
| } |
| |
| if (readOnly) { |
| checkROBE(() -> { |
| vh.setVolatile(array, ci, VALUE_1); |
| }); |
| |
| checkROBE(() -> { |
| vh.setRelease(array, ci, VALUE_1); |
| }); |
| |
| checkROBE(() -> { |
| vh.setOpaque(array, ci, VALUE_1); |
| }); |
| |
| checkROBE(() -> { |
| boolean r = vh.compareAndSet(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkROBE(() -> { |
| double r = (double) vh.compareAndExchange(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkROBE(() -> { |
| double r = (double) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkROBE(() -> { |
| double r = (double) vh.compareAndExchangeRelease(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkROBE(() -> { |
| boolean r = vh.weakCompareAndSetPlain(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkROBE(() -> { |
| boolean r = vh.weakCompareAndSet(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkROBE(() -> { |
| boolean r = vh.weakCompareAndSetAcquire(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkROBE(() -> { |
| boolean r = vh.weakCompareAndSetRelease(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkROBE(() -> { |
| double o = (double) vh.getAndSet(array, ci, VALUE_1); |
| }); |
| |
| checkROBE(() -> { |
| double o = (double) vh.getAndSetAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkROBE(() -> { |
| double o = (double) vh.getAndSetRelease(array, ci, VALUE_1); |
| }); |
| |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndAdd(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndAddAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndAddRelease(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseOr(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseOrAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseOrRelease(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseAnd(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseAndAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseAndRelease(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseXor(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseXorAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseXorRelease(array, ci, VALUE_1); |
| }); |
| } |
| else { |
| checkUOE(() -> { |
| double o = (double) vh.getAndAdd(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndAddAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndAddRelease(array, ci, VALUE_1); |
| }); |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseOr(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseOrAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseOrRelease(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseAnd(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseAndAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseAndRelease(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseXor(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseXorAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkUOE(() -> { |
| double o = (double) vh.getAndBitwiseXorRelease(array, ci, VALUE_1); |
| }); |
| } |
| } |
| |
| |
| static void testArrayIndexOutOfBounds(ByteArraySource bs, VarHandleSource vhs) throws Throwable { |
| VarHandle vh = vhs.s; |
| byte[] array = bs.s; |
| |
| int length = array.length - SIZE + 1; |
| for (int i : new int[]{-1, Integer.MIN_VALUE, length, length + 1, Integer.MAX_VALUE}) { |
| final int ci = i; |
| |
| checkIOOBE(() -> { |
| double x = (double) vh.get(array, ci); |
| }); |
| |
| checkIOOBE(() -> { |
| vh.set(array, ci, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| double x = (double) vh.getVolatile(array, ci); |
| }); |
| |
| checkIOOBE(() -> { |
| double x = (double) vh.getAcquire(array, ci); |
| }); |
| |
| checkIOOBE(() -> { |
| double x = (double) vh.getOpaque(array, ci); |
| }); |
| |
| checkIOOBE(() -> { |
| vh.setVolatile(array, ci, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| vh.setRelease(array, ci, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| vh.setOpaque(array, ci, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| boolean r = vh.compareAndSet(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkIOOBE(() -> { |
| double r = (double) vh.compareAndExchange(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| double r = (double) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| double r = (double) vh.compareAndExchangeRelease(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| boolean r = vh.weakCompareAndSetPlain(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkIOOBE(() -> { |
| boolean r = vh.weakCompareAndSet(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkIOOBE(() -> { |
| boolean r = vh.weakCompareAndSetAcquire(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkIOOBE(() -> { |
| boolean r = vh.weakCompareAndSetRelease(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkIOOBE(() -> { |
| double o = (double) vh.getAndSet(array, ci, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| double o = (double) vh.getAndSetAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| double o = (double) vh.getAndSetRelease(array, ci, VALUE_1); |
| }); |
| |
| |
| |
| } |
| } |
| |
| static void testArrayIndexOutOfBounds(ByteBufferSource bs, VarHandleSource vhs) throws Throwable { |
| VarHandle vh = vhs.s; |
| ByteBuffer array = bs.s; |
| |
| boolean readOnly = MemoryMode.READ_ONLY.isSet(bs.memoryModes); |
| |
| int length = array.limit() - SIZE + 1; |
| for (int i : new int[]{-1, Integer.MIN_VALUE, length, length + 1, Integer.MAX_VALUE}) { |
| final int ci = i; |
| |
| checkIOOBE(() -> { |
| double x = (double) vh.get(array, ci); |
| }); |
| |
| if (!readOnly) { |
| checkIOOBE(() -> { |
| vh.set(array, ci, VALUE_1); |
| }); |
| } |
| |
| checkIOOBE(() -> { |
| double x = (double) vh.getVolatile(array, ci); |
| }); |
| |
| checkIOOBE(() -> { |
| double x = (double) vh.getAcquire(array, ci); |
| }); |
| |
| checkIOOBE(() -> { |
| double x = (double) vh.getOpaque(array, ci); |
| }); |
| |
| if (!readOnly) { |
| checkIOOBE(() -> { |
| vh.setVolatile(array, ci, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| vh.setRelease(array, ci, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| vh.setOpaque(array, ci, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| boolean r = vh.compareAndSet(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkIOOBE(() -> { |
| double r = (double) vh.compareAndExchange(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| double r = (double) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| double r = (double) vh.compareAndExchangeRelease(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| boolean r = vh.weakCompareAndSetPlain(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkIOOBE(() -> { |
| boolean r = vh.weakCompareAndSet(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkIOOBE(() -> { |
| boolean r = vh.weakCompareAndSetAcquire(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkIOOBE(() -> { |
| boolean r = vh.weakCompareAndSetRelease(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkIOOBE(() -> { |
| double o = (double) vh.getAndSet(array, ci, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| double o = (double) vh.getAndSetAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkIOOBE(() -> { |
| double o = (double) vh.getAndSetRelease(array, ci, VALUE_1); |
| }); |
| |
| |
| } |
| } |
| } |
| |
| static void testArrayMisalignedAccess(ByteArraySource bs, VarHandleSource vhs) throws Throwable { |
| VarHandle vh = vhs.s; |
| byte[] array = bs.s; |
| |
| int misalignmentAtZero = ByteBuffer.wrap(array).alignmentOffset(0, SIZE); |
| |
| int length = array.length - SIZE + 1; |
| for (int i = 0; i < length; i++) { |
| boolean iAligned = ((i + misalignmentAtZero) & (SIZE - 1)) == 0; |
| final int ci = i; |
| |
| if (!iAligned) { |
| checkISE(() -> { |
| double x = (double) vh.getVolatile(array, ci); |
| }); |
| |
| checkISE(() -> { |
| double x = (double) vh.getAcquire(array, ci); |
| }); |
| |
| checkISE(() -> { |
| double x = (double) vh.getOpaque(array, ci); |
| }); |
| |
| checkISE(() -> { |
| vh.setVolatile(array, ci, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| vh.setRelease(array, ci, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| vh.setOpaque(array, ci, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| boolean r = vh.compareAndSet(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkISE(() -> { |
| double r = (double) vh.compareAndExchange(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| double r = (double) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| double r = (double) vh.compareAndExchangeRelease(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| boolean r = vh.weakCompareAndSetPlain(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkISE(() -> { |
| boolean r = vh.weakCompareAndSet(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkISE(() -> { |
| boolean r = vh.weakCompareAndSetAcquire(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkISE(() -> { |
| boolean r = vh.weakCompareAndSetRelease(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkISE(() -> { |
| double o = (double) vh.getAndSet(array, ci, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| double o = (double) vh.getAndSetAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| double o = (double) vh.getAndSetRelease(array, ci, VALUE_1); |
| }); |
| |
| |
| } |
| } |
| } |
| |
| static void testArrayMisalignedAccess(ByteBufferSource bs, VarHandleSource vhs) throws Throwable { |
| VarHandle vh = vhs.s; |
| ByteBuffer array = bs.s; |
| |
| boolean readOnly = MemoryMode.READ_ONLY.isSet(bs.memoryModes); |
| int misalignmentAtZero = array.alignmentOffset(0, SIZE); |
| |
| int length = array.limit() - SIZE + 1; |
| for (int i = 0; i < length; i++) { |
| boolean iAligned = ((i + misalignmentAtZero) & (SIZE - 1)) == 0; |
| final int ci = i; |
| |
| if (!iAligned) { |
| checkISE(() -> { |
| double x = (double) vh.getVolatile(array, ci); |
| }); |
| |
| checkISE(() -> { |
| double x = (double) vh.getAcquire(array, ci); |
| }); |
| |
| checkISE(() -> { |
| double x = (double) vh.getOpaque(array, ci); |
| }); |
| |
| if (!readOnly) { |
| checkISE(() -> { |
| vh.setVolatile(array, ci, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| vh.setRelease(array, ci, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| vh.setOpaque(array, ci, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| boolean r = vh.compareAndSet(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkISE(() -> { |
| double r = (double) vh.compareAndExchange(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| double r = (double) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| double r = (double) vh.compareAndExchangeRelease(array, ci, VALUE_2, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| boolean r = vh.weakCompareAndSetPlain(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkISE(() -> { |
| boolean r = vh.weakCompareAndSet(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkISE(() -> { |
| boolean r = vh.weakCompareAndSetAcquire(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkISE(() -> { |
| boolean r = vh.weakCompareAndSetRelease(array, ci, VALUE_1, VALUE_2); |
| }); |
| |
| checkISE(() -> { |
| double o = (double) vh.getAndSet(array, ci, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| double o = (double) vh.getAndSetAcquire(array, ci, VALUE_1); |
| }); |
| |
| checkISE(() -> { |
| double o = (double) vh.getAndSetRelease(array, ci, VALUE_1); |
| }); |
| |
| |
| } |
| } |
| } |
| } |
| |
| static void testArrayReadWrite(ByteArraySource bs, VarHandleSource vhs) { |
| VarHandle vh = vhs.s; |
| byte[] array = bs.s; |
| |
| int misalignmentAtZero = ByteBuffer.wrap(array).alignmentOffset(0, SIZE); |
| |
| bs.fill((byte) 0xff); |
| int length = array.length - SIZE + 1; |
| for (int i = 0; i < length; i++) { |
| boolean iAligned = ((i + misalignmentAtZero) & (SIZE - 1)) == 0; |
| |
| // Plain |
| { |
| vh.set(array, i, VALUE_1); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_1, "get double value"); |
| } |
| |
| |
| if (iAligned) { |
| // Volatile |
| { |
| vh.setVolatile(array, i, VALUE_2); |
| double x = (double) vh.getVolatile(array, i); |
| assertEquals(x, VALUE_2, "setVolatile double value"); |
| } |
| |
| // Lazy |
| { |
| vh.setRelease(array, i, VALUE_1); |
| double x = (double) vh.getAcquire(array, i); |
| assertEquals(x, VALUE_1, "setRelease double value"); |
| } |
| |
| // Opaque |
| { |
| vh.setOpaque(array, i, VALUE_2); |
| double x = (double) vh.getOpaque(array, i); |
| assertEquals(x, VALUE_2, "setOpaque double value"); |
| } |
| |
| vh.set(array, i, VALUE_1); |
| |
| // Compare |
| { |
| boolean r = vh.compareAndSet(array, i, VALUE_1, VALUE_2); |
| assertEquals(r, true, "success compareAndSet double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "success compareAndSet double value"); |
| } |
| |
| { |
| boolean r = vh.compareAndSet(array, i, VALUE_1, VALUE_3); |
| assertEquals(r, false, "failing compareAndSet double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "failing compareAndSet double value"); |
| } |
| |
| { |
| double r = (double) vh.compareAndExchange(array, i, VALUE_2, VALUE_1); |
| assertEquals(r, VALUE_2, "success compareAndExchange double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_1, "success compareAndExchange double value"); |
| } |
| |
| { |
| double r = (double) vh.compareAndExchange(array, i, VALUE_2, VALUE_3); |
| assertEquals(r, VALUE_1, "failing compareAndExchange double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_1, "failing compareAndExchange double value"); |
| } |
| |
| { |
| double r = (double) vh.compareAndExchangeAcquire(array, i, VALUE_1, VALUE_2); |
| assertEquals(r, VALUE_1, "success compareAndExchangeAcquire double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "success compareAndExchangeAcquire double value"); |
| } |
| |
| { |
| double r = (double) vh.compareAndExchangeAcquire(array, i, VALUE_1, VALUE_3); |
| assertEquals(r, VALUE_2, "failing compareAndExchangeAcquire double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "failing compareAndExchangeAcquire double value"); |
| } |
| |
| { |
| double r = (double) vh.compareAndExchangeRelease(array, i, VALUE_2, VALUE_1); |
| assertEquals(r, VALUE_2, "success compareAndExchangeRelease double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_1, "success compareAndExchangeRelease double value"); |
| } |
| |
| { |
| double r = (double) vh.compareAndExchangeRelease(array, i, VALUE_2, VALUE_3); |
| assertEquals(r, VALUE_1, "failing compareAndExchangeRelease double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_1, "failing compareAndExchangeRelease double value"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSetPlain(array, i, VALUE_1, VALUE_2); |
| } |
| assertEquals(success, true, "weakCompareAndSetPlain double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "weakCompareAndSetPlain double value"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSetAcquire(array, i, VALUE_2, VALUE_1); |
| } |
| assertEquals(success, true, "weakCompareAndSetAcquire double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_1, "weakCompareAndSetAcquire double"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSetRelease(array, i, VALUE_1, VALUE_2); |
| } |
| assertEquals(success, true, "weakCompareAndSetRelease double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "weakCompareAndSetRelease double"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSet(array, i, VALUE_2, VALUE_1); |
| } |
| assertEquals(success, true, "weakCompareAndSet double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_1, "weakCompareAndSet double"); |
| } |
| |
| // Compare set and get |
| { |
| vh.set(array, i, VALUE_1); |
| |
| double o = (double) vh.getAndSet(array, i, VALUE_2); |
| assertEquals(o, VALUE_1, "getAndSet double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "getAndSet double value"); |
| } |
| |
| { |
| vh.set(array, i, VALUE_1); |
| |
| double o = (double) vh.getAndSetAcquire(array, i, VALUE_2); |
| assertEquals(o, VALUE_1, "getAndSetAcquire double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "getAndSetAcquire double value"); |
| } |
| |
| { |
| vh.set(array, i, VALUE_1); |
| |
| double o = (double) vh.getAndSetRelease(array, i, VALUE_2); |
| assertEquals(o, VALUE_1, "getAndSetRelease double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "getAndSetRelease double value"); |
| } |
| |
| |
| } |
| } |
| } |
| |
| |
| static void testArrayReadWrite(ByteBufferSource bs, VarHandleSource vhs) { |
| VarHandle vh = vhs.s; |
| ByteBuffer array = bs.s; |
| |
| int misalignmentAtZero = array.alignmentOffset(0, SIZE); |
| |
| bs.fill((byte) 0xff); |
| int length = array.limit() - SIZE + 1; |
| for (int i = 0; i < length; i++) { |
| boolean iAligned = ((i + misalignmentAtZero) & (SIZE - 1)) == 0; |
| |
| // Plain |
| { |
| vh.set(array, i, VALUE_1); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_1, "get double value"); |
| } |
| |
| if (iAligned) { |
| // Volatile |
| { |
| vh.setVolatile(array, i, VALUE_2); |
| double x = (double) vh.getVolatile(array, i); |
| assertEquals(x, VALUE_2, "setVolatile double value"); |
| } |
| |
| // Lazy |
| { |
| vh.setRelease(array, i, VALUE_1); |
| double x = (double) vh.getAcquire(array, i); |
| assertEquals(x, VALUE_1, "setRelease double value"); |
| } |
| |
| // Opaque |
| { |
| vh.setOpaque(array, i, VALUE_2); |
| double x = (double) vh.getOpaque(array, i); |
| assertEquals(x, VALUE_2, "setOpaque double value"); |
| } |
| |
| vh.set(array, i, VALUE_1); |
| |
| // Compare |
| { |
| boolean r = vh.compareAndSet(array, i, VALUE_1, VALUE_2); |
| assertEquals(r, true, "success compareAndSet double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "success compareAndSet double value"); |
| } |
| |
| { |
| boolean r = vh.compareAndSet(array, i, VALUE_1, VALUE_3); |
| assertEquals(r, false, "failing compareAndSet double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "failing compareAndSet double value"); |
| } |
| |
| { |
| double r = (double) vh.compareAndExchange(array, i, VALUE_2, VALUE_1); |
| assertEquals(r, VALUE_2, "success compareAndExchange double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_1, "success compareAndExchange double value"); |
| } |
| |
| { |
| double r = (double) vh.compareAndExchange(array, i, VALUE_2, VALUE_3); |
| assertEquals(r, VALUE_1, "failing compareAndExchange double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_1, "failing compareAndExchange double value"); |
| } |
| |
| { |
| double r = (double) vh.compareAndExchangeAcquire(array, i, VALUE_1, VALUE_2); |
| assertEquals(r, VALUE_1, "success compareAndExchangeAcquire double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "success compareAndExchangeAcquire double value"); |
| } |
| |
| { |
| double r = (double) vh.compareAndExchangeAcquire(array, i, VALUE_1, VALUE_3); |
| assertEquals(r, VALUE_2, "failing compareAndExchangeAcquire double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "failing compareAndExchangeAcquire double value"); |
| } |
| |
| { |
| double r = (double) vh.compareAndExchangeRelease(array, i, VALUE_2, VALUE_1); |
| assertEquals(r, VALUE_2, "success compareAndExchangeRelease double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_1, "success compareAndExchangeRelease double value"); |
| } |
| |
| { |
| double r = (double) vh.compareAndExchangeRelease(array, i, VALUE_2, VALUE_3); |
| assertEquals(r, VALUE_1, "failing compareAndExchangeRelease double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_1, "failing compareAndExchangeRelease double value"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSetPlain(array, i, VALUE_1, VALUE_2); |
| } |
| assertEquals(success, true, "weakCompareAndSetPlain double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "weakCompareAndSetPlain double value"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSetAcquire(array, i, VALUE_2, VALUE_1); |
| } |
| assertEquals(success, true, "weakCompareAndSetAcquire double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_1, "weakCompareAndSetAcquire double"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSetRelease(array, i, VALUE_1, VALUE_2); |
| } |
| assertEquals(success, true, "weakCompareAndSetRelease double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "weakCompareAndSetRelease double"); |
| } |
| |
| { |
| boolean success = false; |
| for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
| success = vh.weakCompareAndSet(array, i, VALUE_2, VALUE_1); |
| } |
| assertEquals(success, true, "weakCompareAndSet double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_1, "weakCompareAndSet double"); |
| } |
| |
| // Compare set and get |
| { |
| vh.set(array, i, VALUE_1); |
| |
| double o = (double) vh.getAndSet(array, i, VALUE_2); |
| assertEquals(o, VALUE_1, "getAndSet double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "getAndSet double value"); |
| } |
| |
| { |
| vh.set(array, i, VALUE_1); |
| |
| double o = (double) vh.getAndSetAcquire(array, i, VALUE_2); |
| assertEquals(o, VALUE_1, "getAndSetAcquire double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "getAndSetAcquire double value"); |
| } |
| |
| { |
| vh.set(array, i, VALUE_1); |
| |
| double o = (double) vh.getAndSetRelease(array, i, VALUE_2); |
| assertEquals(o, VALUE_1, "getAndSetRelease double"); |
| double x = (double) vh.get(array, i); |
| assertEquals(x, VALUE_2, "getAndSetRelease double value"); |
| } |
| |
| |
| } |
| } |
| } |
| |
| static void testArrayReadOnly(ByteBufferSource bs, VarHandleSource vhs) { |
| VarHandle vh = vhs.s; |
| ByteBuffer array = bs.s; |
| |
| int misalignmentAtZero = array.alignmentOffset(0, SIZE); |
| |
| ByteBuffer bb = ByteBuffer.allocate(SIZE); |
| bb.order(MemoryMode.BIG_ENDIAN.isSet(vhs.memoryModes) ? ByteOrder.BIG_ENDIAN : ByteOrder.LITTLE_ENDIAN); |
| bs.fill(bb.putDouble(0, VALUE_2).array()); |
| |
| int length = array.limit() - SIZE + 1; |
| for (int i = 0; i < length; i++) { |
| boolean iAligned = ((i + misalignmentAtZero) & (SIZE - 1)) == 0; |
| |
| double v = MemoryMode.BIG_ENDIAN.isSet(vhs.memoryModes) |
| ? rotateLeft(VALUE_2, (i % SIZE) << 3) |
| : rotateRight(VALUE_2, (i % SIZE) << 3); |
| // Plain |
| { |
| double x = (double) vh.get(array, i); |
| assertEquals(x, v, "get double value"); |
| } |
| |
| if (iAligned) { |
| // Volatile |
| { |
| double x = (double) vh.getVolatile(array, i); |
| assertEquals(x, v, "getVolatile double value"); |
| } |
| |
| // Lazy |
| { |
| double x = (double) vh.getAcquire(array, i); |
| assertEquals(x, v, "getRelease double value"); |
| } |
| |
| // Opaque |
| { |
| double x = (double) vh.getOpaque(array, i); |
| assertEquals(x, v, "getOpaque double value"); |
| } |
| } |
| } |
| } |
| |
| } |
| |
