/* * Copyright (c) 2015, 2016, 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 VarHandleTestByteArrayAsLong * @run testng/othervm -Diters=20000 VarHandleTestByteArrayAsLong * @run testng/othervm -Diters=20000 -XX:-TieredCompilation VarHandleTestByteArrayAsLong */ 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 VarHandleTestByteArrayAsLong extends VarHandleBaseByteArrayTest { static final int SIZE = Long.BYTES; static final long VALUE_1 = 0x0102030405060708L; static final long VALUE_2 = 0x1112131415161718L; static final long 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(long[].class, bo), endianess, MemoryMode.READ_WRITE); vhss.add(aeh); VarHandleSource bbh = new VarHandleSource( MethodHandles.byteBufferViewVarHandle(long[].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)); 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)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_ACQUIRE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_RELEASE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_ACQUIRE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_RELEASE)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR)); assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_ACQUIRE)); assertTrue(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(), long.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( "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( "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 testArrayUnsupported(ByteArraySource bs, VarHandleSource vhs) { VarHandle vh = vhs.s; byte[] array = bs.s; int ci = 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(() -> { long r = (long) vh.compareAndExchange(array, ci, VALUE_2, VALUE_1); }); checkROBE(() -> { long r = (long) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); }); checkROBE(() -> { long r = (long) 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(() -> { long o = (long) vh.getAndSet(array, ci, VALUE_1); }); checkROBE(() -> { long o = (long) vh.getAndSetAcquire(array, ci, VALUE_1); }); checkROBE(() -> { long o = (long) vh.getAndSetRelease(array, ci, VALUE_1); }); checkROBE(() -> { long o = (long) vh.getAndAdd(array, ci, VALUE_1); }); checkROBE(() -> { long o = (long) vh.getAndAddAcquire(array, ci, VALUE_1); }); checkROBE(() -> { long o = (long) vh.getAndAddRelease(array, ci, VALUE_1); }); checkROBE(() -> { long o = (long) vh.getAndBitwiseOr(array, ci, VALUE_1); }); checkROBE(() -> { long o = (long) vh.getAndBitwiseOrAcquire(array, ci, VALUE_1); }); checkROBE(() -> { long o = (long) vh.getAndBitwiseOrRelease(array, ci, VALUE_1); }); checkROBE(() -> { long o = (long) vh.getAndBitwiseAnd(array, ci, VALUE_1); }); checkROBE(() -> { long o = (long) vh.getAndBitwiseAndAcquire(array, ci, VALUE_1); }); checkROBE(() -> { long o = (long) vh.getAndBitwiseAndRelease(array, ci, VALUE_1); }); checkROBE(() -> { long o = (long) vh.getAndBitwiseXor(array, ci, VALUE_1); }); checkROBE(() -> { long o = (long) vh.getAndBitwiseXorAcquire(array, ci, VALUE_1); }); checkROBE(() -> { long o = (long) vh.getAndBitwiseXorRelease(array, ci, VALUE_1); }); } else { } } 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(() -> { long x = (long) vh.get(array, ci); }); checkIOOBE(() -> { vh.set(array, ci, VALUE_1); }); checkIOOBE(() -> { long x = (long) vh.getVolatile(array, ci); }); checkIOOBE(() -> { long x = (long) vh.getAcquire(array, ci); }); checkIOOBE(() -> { long x = (long) 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(() -> { long r = (long) vh.compareAndExchange(array, ci, VALUE_2, VALUE_1); }); checkIOOBE(() -> { long r = (long) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); }); checkIOOBE(() -> { long r = (long) 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(() -> { long o = (long) vh.getAndSet(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndSetAcquire(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndSetRelease(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndAdd(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndAddAcquire(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndAddRelease(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseOr(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseOrAcquire(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseOrRelease(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseAnd(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseAndAcquire(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseAndRelease(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseXor(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseXorAcquire(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseXorRelease(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(() -> { long x = (long) vh.get(array, ci); }); if (!readOnly) { checkIOOBE(() -> { vh.set(array, ci, VALUE_1); }); } checkIOOBE(() -> { long x = (long) vh.getVolatile(array, ci); }); checkIOOBE(() -> { long x = (long) vh.getAcquire(array, ci); }); checkIOOBE(() -> { long x = (long) 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(() -> { long r = (long) vh.compareAndExchange(array, ci, VALUE_2, VALUE_1); }); checkIOOBE(() -> { long r = (long) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); }); checkIOOBE(() -> { long r = (long) 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(() -> { long o = (long) vh.getAndSet(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndSetAcquire(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndSetRelease(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndAdd(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndAddAcquire(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndAddRelease(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseOr(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseOrAcquire(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseOrRelease(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseAnd(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseAndAcquire(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseAndRelease(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseXor(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseXorAcquire(array, ci, VALUE_1); }); checkIOOBE(() -> { long o = (long) vh.getAndBitwiseXorRelease(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(() -> { long x = (long) vh.getVolatile(array, ci); }); checkISE(() -> { long x = (long) vh.getAcquire(array, ci); }); checkISE(() -> { long x = (long) 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(() -> { long r = (long) vh.compareAndExchange(array, ci, VALUE_2, VALUE_1); }); checkISE(() -> { long r = (long) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); }); checkISE(() -> { long r = (long) 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(() -> { long o = (long) vh.getAndSet(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndSetAcquire(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndSetRelease(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndAdd(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndAddAcquire(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndAddRelease(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseOr(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseOrAcquire(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseOrRelease(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseAnd(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseAndAcquire(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseAndRelease(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseXor(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseXorAcquire(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseXorRelease(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(() -> { long x = (long) vh.getVolatile(array, ci); }); checkISE(() -> { long x = (long) vh.getAcquire(array, ci); }); checkISE(() -> { long x = (long) 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(() -> { long r = (long) vh.compareAndExchange(array, ci, VALUE_2, VALUE_1); }); checkISE(() -> { long r = (long) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); }); checkISE(() -> { long r = (long) 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(() -> { long o = (long) vh.getAndSet(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndSetAcquire(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndSetRelease(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndAdd(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndAddAcquire(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndAddRelease(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseOr(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseOrAcquire(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseOrRelease(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseAnd(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseAndAcquire(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseAndRelease(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseXor(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseXorAcquire(array, ci, VALUE_1); }); checkISE(() -> { long o = (long) vh.getAndBitwiseXorRelease(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); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1, "get long value"); } if (iAligned) { // Volatile { vh.setVolatile(array, i, VALUE_2); long x = (long) vh.getVolatile(array, i); assertEquals(x, VALUE_2, "setVolatile long value"); } // Lazy { vh.setRelease(array, i, VALUE_1); long x = (long) vh.getAcquire(array, i); assertEquals(x, VALUE_1, "setRelease long value"); } // Opaque { vh.setOpaque(array, i, VALUE_2); long x = (long) vh.getOpaque(array, i); assertEquals(x, VALUE_2, "setOpaque long value"); } vh.set(array, i, VALUE_1); // Compare { boolean r = vh.compareAndSet(array, i, VALUE_1, VALUE_2); assertEquals(r, true, "success compareAndSet long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "success compareAndSet long value"); } { boolean r = vh.compareAndSet(array, i, VALUE_1, VALUE_3); assertEquals(r, false, "failing compareAndSet long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "failing compareAndSet long value"); } { long r = (long) vh.compareAndExchange(array, i, VALUE_2, VALUE_1); assertEquals(r, VALUE_2, "success compareAndExchange long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1, "success compareAndExchange long value"); } { long r = (long) vh.compareAndExchange(array, i, VALUE_2, VALUE_3); assertEquals(r, VALUE_1, "failing compareAndExchange long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1, "failing compareAndExchange long value"); } { long r = (long) vh.compareAndExchangeAcquire(array, i, VALUE_1, VALUE_2); assertEquals(r, VALUE_1, "success compareAndExchangeAcquire long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "success compareAndExchangeAcquire long value"); } { long r = (long) vh.compareAndExchangeAcquire(array, i, VALUE_1, VALUE_3); assertEquals(r, VALUE_2, "failing compareAndExchangeAcquire long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "failing compareAndExchangeAcquire long value"); } { long r = (long) vh.compareAndExchangeRelease(array, i, VALUE_2, VALUE_1); assertEquals(r, VALUE_2, "success compareAndExchangeRelease long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1, "success compareAndExchangeRelease long value"); } { long r = (long) vh.compareAndExchangeRelease(array, i, VALUE_2, VALUE_3); assertEquals(r, VALUE_1, "failing compareAndExchangeRelease long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1, "failing compareAndExchangeRelease long 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 long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "weakCompareAndSetPlain long 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 long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1, "weakCompareAndSetAcquire long"); } { 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 long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "weakCompareAndSetRelease long"); } { 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 long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1, "weakCompareAndSet long"); } // Compare set and get { vh.set(array, i, VALUE_1); long o = (long) vh.getAndSet(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndSet long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "getAndSet long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndSetAcquire(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndSetAcquire long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "getAndSetAcquire long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndSetRelease(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndSetRelease long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "getAndSetRelease long value"); } // get and add, add and get { vh.set(array, i, VALUE_1); long o = (long) vh.getAndAdd(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndAdd long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 + VALUE_2, "getAndAdd long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndAddAcquire(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndAddAcquire long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 + VALUE_2, "getAndAddAcquire long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndAddRelease(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndAddRelease long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 + VALUE_2, "getAndAddRelease long value"); } // get and bitwise or { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseOr(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseOr long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 | VALUE_2, "getAndBitwiseOr long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseOrAcquire(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseOrAcquire long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 | VALUE_2, "getAndBitwiseOrAcquire long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseOrRelease(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseOrRelease long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 | VALUE_2, "getAndBitwiseOrRelease long value"); } // get and bitwise and { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseAnd(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseAnd long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 & VALUE_2, "getAndBitwiseAnd long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseAndAcquire(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseAndAcquire long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 & VALUE_2, "getAndBitwiseAndAcquire long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseAndRelease(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseAndRelease long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 & VALUE_2, "getAndBitwiseAndRelease long value"); } // get and bitwise xor { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseXor(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseXor long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 ^ VALUE_2, "getAndBitwiseXor long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseXorAcquire(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseXorAcquire long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 ^ VALUE_2, "getAndBitwiseXorAcquire long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseXorRelease(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseXorRelease long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 ^ VALUE_2, "getAndBitwiseXorRelease long 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); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1, "get long value"); } if (iAligned) { // Volatile { vh.setVolatile(array, i, VALUE_2); long x = (long) vh.getVolatile(array, i); assertEquals(x, VALUE_2, "setVolatile long value"); } // Lazy { vh.setRelease(array, i, VALUE_1); long x = (long) vh.getAcquire(array, i); assertEquals(x, VALUE_1, "setRelease long value"); } // Opaque { vh.setOpaque(array, i, VALUE_2); long x = (long) vh.getOpaque(array, i); assertEquals(x, VALUE_2, "setOpaque long value"); } vh.set(array, i, VALUE_1); // Compare { boolean r = vh.compareAndSet(array, i, VALUE_1, VALUE_2); assertEquals(r, true, "success compareAndSet long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "success compareAndSet long value"); } { boolean r = vh.compareAndSet(array, i, VALUE_1, VALUE_3); assertEquals(r, false, "failing compareAndSet long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "failing compareAndSet long value"); } { long r = (long) vh.compareAndExchange(array, i, VALUE_2, VALUE_1); assertEquals(r, VALUE_2, "success compareAndExchange long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1, "success compareAndExchange long value"); } { long r = (long) vh.compareAndExchange(array, i, VALUE_2, VALUE_3); assertEquals(r, VALUE_1, "failing compareAndExchange long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1, "failing compareAndExchange long value"); } { long r = (long) vh.compareAndExchangeAcquire(array, i, VALUE_1, VALUE_2); assertEquals(r, VALUE_1, "success compareAndExchangeAcquire long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "success compareAndExchangeAcquire long value"); } { long r = (long) vh.compareAndExchangeAcquire(array, i, VALUE_1, VALUE_3); assertEquals(r, VALUE_2, "failing compareAndExchangeAcquire long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "failing compareAndExchangeAcquire long value"); } { long r = (long) vh.compareAndExchangeRelease(array, i, VALUE_2, VALUE_1); assertEquals(r, VALUE_2, "success compareAndExchangeRelease long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1, "success compareAndExchangeRelease long value"); } { long r = (long) vh.compareAndExchangeRelease(array, i, VALUE_2, VALUE_3); assertEquals(r, VALUE_1, "failing compareAndExchangeRelease long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1, "failing compareAndExchangeRelease long 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 long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "weakCompareAndSetPlain long 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 long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1, "weakCompareAndSetAcquire long"); } { 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 long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "weakCompareAndSetRelease long"); } { 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 long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1, "weakCompareAndSet long"); } // Compare set and get { vh.set(array, i, VALUE_1); long o = (long) vh.getAndSet(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndSet long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "getAndSet long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndSetAcquire(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndSetAcquire long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "getAndSetAcquire long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndSetRelease(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndSetRelease long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_2, "getAndSetRelease long value"); } // get and add, add and get { vh.set(array, i, VALUE_1); long o = (long) vh.getAndAdd(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndAdd long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 + VALUE_2, "getAndAdd long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndAddAcquire(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndAddAcquire long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 + VALUE_2, "getAndAddAcquire long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndAddRelease(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndAddRelease long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 + VALUE_2, "getAndAddRelease long value"); } // get and bitwise or { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseOr(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseOr long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 | VALUE_2, "getAndBitwiseOr long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseOrAcquire(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseOrAcquire long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 | VALUE_2, "getAndBitwiseOrAcquire long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseOrRelease(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseOrRelease long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 | VALUE_2, "getAndBitwiseOrRelease long value"); } // get and bitwise and { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseAnd(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseAnd long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 & VALUE_2, "getAndBitwiseAnd long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseAndAcquire(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseAndAcquire long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 & VALUE_2, "getAndBitwiseAndAcquire long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseAndRelease(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseAndRelease long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 & VALUE_2, "getAndBitwiseAndRelease long value"); } // get and bitwise xor { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseXor(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseXor long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 ^ VALUE_2, "getAndBitwiseXor long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseXorAcquire(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseXorAcquire long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 ^ VALUE_2, "getAndBitwiseXorAcquire long value"); } { vh.set(array, i, VALUE_1); long o = (long) vh.getAndBitwiseXorRelease(array, i, VALUE_2); assertEquals(o, VALUE_1, "getAndBitwiseXorRelease long"); long x = (long) vh.get(array, i); assertEquals(x, VALUE_1 ^ VALUE_2, "getAndBitwiseXorRelease long 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.putLong(0, VALUE_2).array()); int length = array.limit() - SIZE + 1; for (int i = 0; i < length; i++) { boolean iAligned = ((i + misalignmentAtZero) & (SIZE - 1)) == 0; long v = MemoryMode.BIG_ENDIAN.isSet(vhs.memoryModes) ? rotateLeft(VALUE_2, (i % SIZE) << 3) : rotateRight(VALUE_2, (i % SIZE) << 3); // Plain { long x = (long) vh.get(array, i); assertEquals(x, v, "get long value"); } if (iAligned) { // Volatile { long x = (long) vh.getVolatile(array, i); assertEquals(x, v, "getVolatile long value"); } // Lazy { long x = (long) vh.getAcquire(array, i); assertEquals(x, v, "getRelease long value"); } // Opaque { long x = (long) vh.getOpaque(array, i); assertEquals(x, v, "getOpaque long value"); } } } } }