| /* | |
| * Copyright (c) 2015, 2024, 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 | |
| * @comment Set CompileThresholdScaling to 0.1 so that the warmup loop sets to 2000 iterations | |
| * to hit compilation thresholds | |
| * @run testng/othervm/timeout=360 -Diters=2000 -XX:CompileThresholdScaling=0.1 -XX:TieredStopAtLevel=1 VarHandleTestByteArrayAsChar | |
| * @run testng/othervm/timeout=360 -Diters=2000 -XX:CompileThresholdScaling=0.1 VarHandleTestByteArrayAsChar | |
| * @run testng/othervm/timeout=360 -Diters=2000 -XX:CompileThresholdScaling=0.1 -XX:-TieredCompilation VarHandleTestByteArrayAsChar | |
| */ | |
| 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 VarHandleTestByteArrayAsChar extends VarHandleBaseByteArrayTest { | |
| static final int SIZE = Character.BYTES; | |
| static final char VALUE_1 = (char)0x0102; | |
| static final char VALUE_2 = (char)0x1112; | |
| static final char VALUE_3 = (char)0xFFFE; | |
| @Override | |
| public List<VarHandleSource> setupVarHandleSources(boolean same) { | |
| // Combinations of VarHandle byte[] or ByteBuffer | |
| List<VarHandleSource> vhss = new ArrayList<>(); | |
| for (MemoryMode endianess : List.of(MemoryMode.BIG_ENDIAN, MemoryMode.LITTLE_ENDIAN)) { | |
| ByteOrder bo = endianess == MemoryMode.BIG_ENDIAN | |
| ? ByteOrder.BIG_ENDIAN : ByteOrder.LITTLE_ENDIAN; | |
| Class<?> arrayType; | |
| if (same) { | |
| arrayType = char[].class; | |
| } | |
| else { | |
| arrayType = int[].class; | |
| } | |
| VarHandleSource aeh = new VarHandleSource( | |
| MethodHandles.byteArrayViewVarHandle(arrayType, bo), false, | |
| endianess, MemoryMode.READ_WRITE); | |
| vhss.add(aeh); | |
| VarHandleSource bbh = new VarHandleSource( | |
| MethodHandles.byteBufferViewVarHandle(arrayType, bo), true, | |
| endianess, MemoryMode.READ_WRITE); | |
| vhss.add(bbh); | |
| } | |
| return vhss; | |
| } | |
| @Test | |
| public void testEquals() { | |
| VarHandle[] vhs1 = setupVarHandleSources(true).stream(). | |
| map(vhs -> vhs.s).toArray(VarHandle[]::new); | |
| VarHandle[] vhs2 = setupVarHandleSources(true).stream(). | |
| map(vhs -> vhs.s).toArray(VarHandle[]::new); | |
| for (int i = 0; i < vhs1.length; i++) { | |
| for (int j = 0; j < vhs1.length; j++) { | |
| if (i != j) { | |
| assertNotEquals(vhs1[i], vhs1[j]); | |
| assertNotEquals(vhs1[i], vhs2[j]); | |
| } | |
| } | |
| } | |
| VarHandle[] vhs3 = setupVarHandleSources(false).stream(). | |
| map(vhs -> vhs.s).toArray(VarHandle[]::new); | |
| for (int i = 0; i < vhs1.length; i++) { | |
| assertNotEquals(vhs1[i], vhs3[i]); | |
| } | |
| } | |
| @Test(dataProvider = "varHandlesProvider") | |
| public void testIsAccessModeSupported(VarHandleSource vhs) { | |
| VarHandle vh = vhs.s; | |
| assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET)); | |
| assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET)); | |
| if (vhs.supportsAtomicAccess) { | |
| 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)); | |
| } else { | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_VOLATILE)); | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.SET_VOLATILE)); | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_ACQUIRE)); | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.SET_RELEASE)); | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_OPAQUE)); | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.SET_OPAQUE)); | |
| } | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_SET)); | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE)); | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_ACQUIRE)); | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_RELEASE)); | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_PLAIN)); | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET)); | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_ACQUIRE)); | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_RELEASE)); | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET)); | |
| assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET_ACQUIRE)); | |
| assertFalse(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(), char.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)); | |
| } | |
| 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)); | |
| if (bbs.s.isDirect()) { | |
| 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(() -> { | |
| char x = (char) vh.get(array, ci); | |
| }); | |
| checkNPE(() -> { | |
| vh.set(array, ci, VALUE_1); | |
| }); | |
| } | |
| static void testArrayNPE(ByteBufferSource bs, VarHandleSource vhs) { | |
| VarHandle vh = vhs.s; | |
| ByteBuffer array = null; | |
| int ci = 1; | |
| checkNPE(() -> { | |
| char x = (char) vh.get(array, ci); | |
| }); | |
| checkNPE(() -> { | |
| vh.set(array, ci, VALUE_1); | |
| }); | |
| checkNPE(() -> { | |
| char x = (char) vh.getVolatile(array, ci); | |
| }); | |
| checkNPE(() -> { | |
| char x = (char) vh.getAcquire(array, ci); | |
| }); | |
| checkNPE(() -> { | |
| char x = (char) 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); | |
| }); | |
| } | |
| static void testArrayUnsupported(ByteArraySource bs, VarHandleSource vhs) { | |
| VarHandle vh = vhs.s; | |
| byte[] array = bs.s; | |
| int ci = 1; | |
| checkUOE(() -> { | |
| boolean r = vh.compareAndSet(array, ci, VALUE_1, VALUE_2); | |
| }); | |
| checkUOE(() -> { | |
| char r = (char) vh.compareAndExchange(array, ci, VALUE_2, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char r = (char) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char r = (char) vh.compareAndExchangeRelease(array, ci, VALUE_2, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| boolean r = vh.weakCompareAndSetPlain(array, ci, VALUE_1, VALUE_2); | |
| }); | |
| checkUOE(() -> { | |
| boolean r = vh.weakCompareAndSet(array, ci, VALUE_1, VALUE_2); | |
| }); | |
| checkUOE(() -> { | |
| boolean r = vh.weakCompareAndSetAcquire(array, ci, VALUE_1, VALUE_2); | |
| }); | |
| checkUOE(() -> { | |
| boolean r = vh.weakCompareAndSetRelease(array, ci, VALUE_1, VALUE_2); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndSet(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndSetAcquire(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndSetRelease(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndAdd(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndAddAcquire(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndAddRelease(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseOr(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseOrAcquire(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseOrRelease(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseAnd(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseAndAcquire(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseAndRelease(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseXor(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseXorAcquire(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) 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 && array.isDirect()) { | |
| checkROBE(() -> { | |
| vh.setVolatile(array, ci, VALUE_1); | |
| }); | |
| checkROBE(() -> { | |
| vh.setRelease(array, ci, VALUE_1); | |
| }); | |
| checkROBE(() -> { | |
| vh.setOpaque(array, ci, VALUE_1); | |
| }); | |
| } | |
| if (array.isDirect()) { | |
| checkUOE(() -> { | |
| boolean r = vh.compareAndSet(array, ci, VALUE_1, VALUE_2); | |
| }); | |
| checkUOE(() -> { | |
| char r = (char) vh.compareAndExchange(array, ci, VALUE_2, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char r = (char) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char r = (char) vh.compareAndExchangeRelease(array, ci, VALUE_2, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| boolean r = vh.weakCompareAndSetPlain(array, ci, VALUE_1, VALUE_2); | |
| }); | |
| checkUOE(() -> { | |
| boolean r = vh.weakCompareAndSet(array, ci, VALUE_1, VALUE_2); | |
| }); | |
| checkUOE(() -> { | |
| boolean r = vh.weakCompareAndSetAcquire(array, ci, VALUE_1, VALUE_2); | |
| }); | |
| checkUOE(() -> { | |
| boolean r = vh.weakCompareAndSetRelease(array, ci, VALUE_1, VALUE_2); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndSet(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndSetAcquire(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndSetRelease(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndAdd(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndAddAcquire(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndAddRelease(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseOr(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseOrAcquire(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseOrRelease(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseAnd(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseAndAcquire(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseAndRelease(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseXor(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseXorAcquire(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseXorRelease(array, ci, VALUE_1); | |
| }); | |
| } else { | |
| checkISE(() -> { | |
| vh.setVolatile(array, ci, VALUE_1); | |
| }); | |
| checkISE(() -> { | |
| vh.setRelease(array, ci, VALUE_1); | |
| }); | |
| checkISE(() -> { | |
| vh.setOpaque(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| boolean r = vh.compareAndSet(array, ci, VALUE_1, VALUE_2); | |
| }); | |
| checkUOE(() -> { | |
| char r = (char) vh.compareAndExchange(array, ci, VALUE_2, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char r = (char) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char r = (char) vh.compareAndExchangeRelease(array, ci, VALUE_2, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| boolean r = vh.weakCompareAndSetPlain(array, ci, VALUE_1, VALUE_2); | |
| }); | |
| checkUOE(() -> { | |
| boolean r = vh.weakCompareAndSet(array, ci, VALUE_1, VALUE_2); | |
| }); | |
| checkUOE(() -> { | |
| boolean r = vh.weakCompareAndSetAcquire(array, ci, VALUE_1, VALUE_2); | |
| }); | |
| checkUOE(() -> { | |
| boolean r = vh.weakCompareAndSetRelease(array, ci, VALUE_1, VALUE_2); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndSet(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndSetAcquire(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndSetRelease(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndAdd(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndAddAcquire(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndAddRelease(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseOr(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseOrAcquire(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseOrRelease(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseAnd(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseAndAcquire(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseAndRelease(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseXor(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) vh.getAndBitwiseXorAcquire(array, ci, VALUE_1); | |
| }); | |
| checkUOE(() -> { | |
| char o = (char) 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; | |
| checkAIOOBE(() -> { | |
| char x = (char) vh.get(array, ci); | |
| }); | |
| checkAIOOBE(() -> { | |
| vh.set(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(() -> { | |
| char x = (char) vh.get(array, ci); | |
| }); | |
| if (!readOnly) { | |
| checkIOOBE(() -> { | |
| vh.set(array, ci, VALUE_1); | |
| }); | |
| } | |
| if (array.isDirect()) { | |
| checkIOOBE(() -> { | |
| char x = (char) vh.getVolatile(array, ci); | |
| }); | |
| checkIOOBE(() -> { | |
| char x = (char) vh.getAcquire(array, ci); | |
| }); | |
| checkIOOBE(() -> { | |
| char x = (char) 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); | |
| }); | |
| } | |
| } | |
| } | |
| } | |
| 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(() -> { | |
| char x = (char) vh.getVolatile(array, ci); | |
| }); | |
| checkISE(() -> { | |
| char x = (char) vh.getAcquire(array, ci); | |
| }); | |
| checkISE(() -> { | |
| char x = (char) 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); | |
| }); | |
| } | |
| } | |
| } | |
| } | |
| static void testArrayReadWrite(ByteArraySource bs, VarHandleSource vhs) { | |
| VarHandle vh = vhs.s; | |
| byte[] array = bs.s; | |
| bs.fill((byte) 0xff); | |
| int length = array.length - SIZE + 1; | |
| for (int i = 0; i < length; i++) { | |
| // Plain | |
| { | |
| vh.set(array, i, VALUE_1); | |
| char x = (char) vh.get(array, i); | |
| assertEquals(x, VALUE_1, "get char value"); | |
| } | |
| } | |
| } | |
| static void testArrayReadWrite(ByteBufferSource bs, VarHandleSource vhs) { | |
| VarHandle vh = vhs.s; | |
| ByteBuffer array = bs.s; | |
| bs.fill((byte) 0xff); | |
| int length = array.limit() - SIZE + 1; | |
| for (int i = 0; i < length; i++) { | |
| boolean iAligned = array.isDirect() ? ((i + array.alignmentOffset(0, SIZE)) & (SIZE - 1)) == 0 : false; | |
| // Plain | |
| { | |
| vh.set(array, i, VALUE_1); | |
| char x = (char) vh.get(array, i); | |
| assertEquals(x, VALUE_1, "get char value"); | |
| } | |
| if (iAligned) { | |
| // Volatile | |
| { | |
| vh.setVolatile(array, i, VALUE_2); | |
| char x = (char) vh.getVolatile(array, i); | |
| assertEquals(x, VALUE_2, "setVolatile char value"); | |
| } | |
| // Lazy | |
| { | |
| vh.setRelease(array, i, VALUE_1); | |
| char x = (char) vh.getAcquire(array, i); | |
| assertEquals(x, VALUE_1, "setRelease char value"); | |
| } | |
| // Opaque | |
| { | |
| vh.setOpaque(array, i, VALUE_2); | |
| char x = (char) vh.getOpaque(array, i); | |
| assertEquals(x, VALUE_2, "setOpaque char value"); | |
| } | |
| } | |
| } | |
| } | |
| static void testArrayReadOnly(ByteBufferSource bs, VarHandleSource vhs) { | |
| VarHandle vh = vhs.s; | |
| ByteBuffer array = bs.s; | |
| ByteBuffer bb = ByteBuffer.allocate(SIZE); | |
| bb.order(MemoryMode.BIG_ENDIAN.isSet(vhs.memoryModes) ? ByteOrder.BIG_ENDIAN : ByteOrder.LITTLE_ENDIAN); | |
| bs.fill(bb.putChar(0, VALUE_2).array()); | |
| int length = array.limit() - SIZE + 1; | |
| for (int i = 0; i < length; i++) { | |
| boolean iAligned = array.isDirect() ? ((i + array.alignmentOffset(0, SIZE)) & (SIZE - 1)) == 0 : false; | |
| char v = MemoryMode.BIG_ENDIAN.isSet(vhs.memoryModes) | |
| ? rotateLeft(VALUE_2, (i % SIZE) << 3) | |
| : rotateRight(VALUE_2, (i % SIZE) << 3); | |
| // Plain | |
| { | |
| char x = (char) vh.get(array, i); | |
| assertEquals(x, v, "get char value"); | |
| } | |
| if (iAligned) { | |
| // Volatile | |
| { | |
| char x = (char) vh.getVolatile(array, i); | |
| assertEquals(x, v, "getVolatile char value"); | |
| } | |
| // Lazy | |
| { | |
| char x = (char) vh.getAcquire(array, i); | |
| assertEquals(x, v, "getRelease char value"); | |
| } | |
| // Opaque | |
| { | |
| char x = (char) vh.getOpaque(array, i); | |
| assertEquals(x, v, "getOpaque char value"); | |
| } | |
| } | |
| } | |
| } | |
| } | |