author | vlivanov |
Mon, 09 May 2016 12:39:41 +0300 | |
changeset 38358 | cb99c6d2af1b |
parent 37719 | add11bc0e6e2 |
parent 38357 | f18eb84a3b96 |
child 38368 | c8eb5d6812c5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test |
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* @bug 8154556 |
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* @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 VarHandleTestByteArrayAsChar |
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* @run testng/othervm -Diters=20000 VarHandleTestByteArrayAsChar |
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* @run testng/othervm -Diters=20000 -XX:-TieredCompilation VarHandleTestByteArrayAsChar |
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*/ |
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import org.testng.annotations.DataProvider; |
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import org.testng.annotations.Test; |
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import java.lang.invoke.MethodHandles; |
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import java.lang.invoke.VarHandle; |
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import java.nio.ByteBuffer; |
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import java.nio.ByteOrder; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.EnumSet; |
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import java.util.List; |
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import static org.testng.Assert.*; |
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public class VarHandleTestByteArrayAsChar extends VarHandleBaseByteArrayTest { |
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static final int SIZE = Character.BYTES; |
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static final char VALUE_1 = (char)0x0102; |
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static final char VALUE_2 = (char)0x1112; |
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static final char VALUE_3 = (char)0x2122; |
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@Override |
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public void setupVarHandleSources() { |
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// Combinations of VarHandle byte[] or ByteBuffer |
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vhss = new ArrayList<>(); |
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for (MemoryMode endianess : Arrays.asList(MemoryMode.BIG_ENDIAN, MemoryMode.LITTLE_ENDIAN)) { |
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ByteOrder bo = endianess == MemoryMode.BIG_ENDIAN |
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? ByteOrder.BIG_ENDIAN : ByteOrder.LITTLE_ENDIAN; |
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VarHandleSource aeh = new VarHandleSource( |
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MethodHandles.byteArrayViewVarHandle(char[].class, bo), |
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endianess, MemoryMode.READ_WRITE); |
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vhss.add(aeh); |
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VarHandleSource bbh = new VarHandleSource( |
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MethodHandles.byteBufferViewVarHandle(char[].class, bo), |
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endianess, MemoryMode.READ_WRITE); |
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vhss.add(bbh); |
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} |
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} |
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@Test(dataProvider = "varHandlesProvider") |
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public void testIsAccessModeSupported(VarHandleSource vhs) { |
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VarHandle vh = vhs.s; |
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assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET)); |
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assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET)); |
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assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_VOLATILE)); |
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assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_VOLATILE)); |
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assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_ACQUIRE)); |
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assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_RELEASE)); |
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assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_OPAQUE)); |
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assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_OPAQUE)); |
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assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_SET)); |
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assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_VOLATILE)); |
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assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_ACQUIRE)); |
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assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_RELEASE)); |
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assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET)); |
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assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_VOLATILE)); |
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assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_ACQUIRE)); |
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assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_RELEASE)); |
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assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET)); |
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assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD)); |
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assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.ADD_AND_GET)); |
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} |
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@Test(dataProvider = "typesProvider") |
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public void testTypes(VarHandle vh, List<java.lang.Class<?>> pts) { |
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assertEquals(vh.varType(), char.class); |
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assertEquals(vh.coordinateTypes(), pts); |
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testTypes(vh); |
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} |
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@DataProvider |
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public Object[][] accessTestCaseProvider() throws Exception { |
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List<AccessTestCase<?>> cases = new ArrayList<>(); |
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for (ByteArrayViewSource<?> bav : bavss) { |
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for (VarHandleSource vh : vhss) { |
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if (vh.matches(bav)) { |
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if (bav instanceof ByteArraySource) { |
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ByteArraySource bas = (ByteArraySource) bav; |
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cases.add(new VarHandleSourceAccessTestCase( |
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"read write", bav, vh, h -> testArrayReadWrite(bas, h), |
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true)); |
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cases.add(new VarHandleSourceAccessTestCase( |
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"unsupported", bav, vh, h -> testArrayUnsupported(bas, h), |
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false)); |
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cases.add(new VarHandleSourceAccessTestCase( |
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"index out of bounds", bav, vh, h -> testArrayIndexOutOfBounds(bas, h), |
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false)); |
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cases.add(new VarHandleSourceAccessTestCase( |
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"misaligned access", bav, vh, h -> testArrayMisalignedAccess(bas, h), |
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false)); |
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} |
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else { |
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ByteBufferSource bbs = (ByteBufferSource) bav; |
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if (MemoryMode.READ_WRITE.isSet(bav.memoryModes)) { |
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cases.add(new VarHandleSourceAccessTestCase( |
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"read write", bav, vh, h -> testArrayReadWrite(bbs, h), |
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true)); |
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} |
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else { |
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cases.add(new VarHandleSourceAccessTestCase( |
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"read only", bav, vh, h -> testArrayReadOnly(bbs, h), |
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true)); |
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} |
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cases.add(new VarHandleSourceAccessTestCase( |
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"unsupported", bav, vh, h -> testArrayUnsupported(bbs, h), |
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false)); |
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cases.add(new VarHandleSourceAccessTestCase( |
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"index out of bounds", bav, vh, h -> testArrayIndexOutOfBounds(bbs, h), |
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false)); |
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cases.add(new VarHandleSourceAccessTestCase( |
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"misaligned access", bav, vh, h -> testArrayMisalignedAccess(bbs, h), |
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false)); |
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} |
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} |
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} |
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} |
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// Work around issue with jtreg summary reporting which truncates |
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// the String result of Object.toString to 30 characters, hence |
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// the first dummy argument |
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return cases.stream().map(tc -> new Object[]{tc.toString(), tc}).toArray(Object[][]::new); |
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} |
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@Test(dataProvider = "accessTestCaseProvider") |
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public <T> void testAccess(String desc, AccessTestCase<T> atc) throws Throwable { |
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T t = atc.get(); |
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int iters = atc.requiresLoop() ? ITERS : 1; |
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for (int c = 0; c < iters; c++) { |
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atc.testAccess(t); |
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} |
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} |
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static void testArrayUnsupported(ByteArraySource bs, VarHandleSource vhs) { |
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VarHandle vh = vhs.s; |
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byte[] array = bs.s; |
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int ci = 1; |
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checkUOE(() -> { |
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boolean r = vh.compareAndSet(array, ci, VALUE_1, VALUE_2); |
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}); |
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checkUOE(() -> { |
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char r = (char) vh.compareAndExchangeVolatile(array, ci, VALUE_2, VALUE_1); |
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}); |
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checkUOE(() -> { |
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char r = (char) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); |
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}); |
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checkUOE(() -> { |
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char r = (char) vh.compareAndExchangeRelease(array, ci, VALUE_2, VALUE_1); |
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}); |
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checkUOE(() -> { |
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boolean r = vh.weakCompareAndSet(array, ci, VALUE_1, VALUE_2); |
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}); |
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checkUOE(() -> { |
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boolean r = vh.weakCompareAndSetVolatile(array, ci, VALUE_1, VALUE_2); |
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}); |
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checkUOE(() -> { |
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boolean r = vh.weakCompareAndSetAcquire(array, ci, VALUE_1, VALUE_2); |
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}); |
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checkUOE(() -> { |
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boolean r = vh.weakCompareAndSetRelease(array, ci, VALUE_1, VALUE_2); |
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}); |
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checkUOE(() -> { |
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char o = (char) vh.getAndSet(array, ci, VALUE_1); |
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}); |
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checkUOE(() -> { |
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char o = (char) vh.getAndAdd(array, ci, VALUE_1); |
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}); |
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checkUOE(() -> { |
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char o = (char) vh.addAndGet(array, ci, VALUE_1); |
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}); |
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} |
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static void testArrayUnsupported(ByteBufferSource bs, VarHandleSource vhs) { |
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VarHandle vh = vhs.s; |
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ByteBuffer array = bs.s; |
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int ci = 0; |
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boolean readOnly = MemoryMode.READ_ONLY.isSet(bs.memoryModes); |
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if (readOnly) { |
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checkROBE(() -> { |
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vh.set(array, ci, VALUE_1); |
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}); |
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} |
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if (readOnly) { |
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checkROBE(() -> { |
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vh.setVolatile(array, ci, VALUE_1); |
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}); |
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checkROBE(() -> { |
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vh.setRelease(array, ci, VALUE_1); |
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}); |
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checkROBE(() -> { |
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vh.setOpaque(array, ci, VALUE_1); |
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}); |
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checkUOE(() -> { |
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char r = (char) vh.compareAndExchangeVolatile(array, ci, VALUE_2, VALUE_1); |
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}); |
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checkUOE(() -> { |
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char r = (char) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); |
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}); |
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checkUOE(() -> { |
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char r = (char) vh.compareAndExchangeRelease(array, ci, VALUE_2, VALUE_1); |
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}); |
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checkUOE(() -> { |
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boolean r = vh.weakCompareAndSet(array, ci, VALUE_1, VALUE_2); |
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}); |
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checkUOE(() -> { |
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boolean r = vh.weakCompareAndSetVolatile(array, ci, VALUE_1, VALUE_2); |
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}); |
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checkUOE(() -> { |
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boolean r = vh.weakCompareAndSetAcquire(array, ci, VALUE_1, VALUE_2); |
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}); |
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checkUOE(() -> { |
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boolean r = vh.weakCompareAndSetRelease(array, ci, VALUE_1, VALUE_2); |
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}); |
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checkUOE(() -> { |
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char o = (char) vh.getAndSet(array, ci, VALUE_1); |
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}); |
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checkUOE(() -> { |
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char o = (char) vh.getAndAdd(array, ci, VALUE_1); |
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}); |
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checkUOE(() -> { |
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char o = (char) vh.addAndGet(array, ci, VALUE_1); |
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}); |
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} |
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else { |
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checkUOE(() -> { |
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boolean r = vh.compareAndSet(array, ci, VALUE_1, VALUE_2); |
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}); |
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checkUOE(() -> { |
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char r = (char) vh.compareAndExchangeVolatile(array, ci, VALUE_2, VALUE_1); |
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}); |
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checkUOE(() -> { |
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char r = (char) vh.compareAndExchangeAcquire(array, ci, VALUE_2, VALUE_1); |
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}); |
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checkUOE(() -> { |
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char r = (char) vh.compareAndExchangeRelease(array, ci, VALUE_2, VALUE_1); |
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}); |
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checkUOE(() -> { |
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boolean r = vh.weakCompareAndSet(array, ci, VALUE_1, VALUE_2); |
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}); |
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checkUOE(() -> { |
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boolean r = vh.weakCompareAndSetVolatile(array, ci, VALUE_1, VALUE_2); |
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}); |
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checkUOE(() -> { |
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boolean r = vh.weakCompareAndSetAcquire(array, ci, VALUE_1, VALUE_2); |
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}); |
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checkUOE(() -> { |
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boolean r = vh.weakCompareAndSetRelease(array, ci, VALUE_1, VALUE_2); |
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}); |
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checkUOE(() -> { |
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char o = (char) vh.getAndSet(array, ci, VALUE_1); |
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}); |
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checkUOE(() -> { |
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char o = (char) vh.getAndAdd(array, ci, VALUE_1); |
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}); |
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checkUOE(() -> { |
|
337 |
char o = (char) vh.addAndGet(array, ci, VALUE_1); |
|
338 |
}); |
|
339 |
} |
|
340 |
} |
|
341 |
||
342 |
||
343 |
static void testArrayIndexOutOfBounds(ByteArraySource bs, VarHandleSource vhs) throws Throwable { |
|
344 |
VarHandle vh = vhs.s; |
|
345 |
byte[] array = bs.s; |
|
346 |
||
347 |
int length = array.length - SIZE + 1; |
|
348 |
for (int i : new int[]{-1, Integer.MIN_VALUE, length, length + 1, Integer.MAX_VALUE}) { |
|
349 |
final int ci = i; |
|
350 |
||
351 |
checkIOOBE(() -> { |
|
352 |
char x = (char) vh.get(array, ci); |
|
353 |
}); |
|
354 |
||
355 |
checkIOOBE(() -> { |
|
356 |
vh.set(array, ci, VALUE_1); |
|
357 |
}); |
|
358 |
||
359 |
checkIOOBE(() -> { |
|
360 |
char x = (char) vh.getVolatile(array, ci); |
|
361 |
}); |
|
362 |
||
363 |
checkIOOBE(() -> { |
|
364 |
char x = (char) vh.getAcquire(array, ci); |
|
365 |
}); |
|
366 |
||
367 |
checkIOOBE(() -> { |
|
368 |
char x = (char) vh.getOpaque(array, ci); |
|
369 |
}); |
|
370 |
||
371 |
checkIOOBE(() -> { |
|
372 |
vh.setVolatile(array, ci, VALUE_1); |
|
373 |
}); |
|
374 |
||
375 |
checkIOOBE(() -> { |
|
376 |
vh.setRelease(array, ci, VALUE_1); |
|
377 |
}); |
|
378 |
||
379 |
checkIOOBE(() -> { |
|
380 |
vh.setOpaque(array, ci, VALUE_1); |
|
381 |
}); |
|
382 |
||
383 |
||
384 |
} |
|
385 |
} |
|
386 |
||
387 |
static void testArrayIndexOutOfBounds(ByteBufferSource bs, VarHandleSource vhs) throws Throwable { |
|
388 |
VarHandle vh = vhs.s; |
|
389 |
ByteBuffer array = bs.s; |
|
390 |
||
391 |
boolean readOnly = MemoryMode.READ_ONLY.isSet(bs.memoryModes); |
|
392 |
||
393 |
int length = array.limit() - SIZE + 1; |
|
394 |
for (int i : new int[]{-1, Integer.MIN_VALUE, length, length + 1, Integer.MAX_VALUE}) { |
|
395 |
final int ci = i; |
|
396 |
||
397 |
checkIOOBE(() -> { |
|
398 |
char x = (char) vh.get(array, ci); |
|
399 |
}); |
|
400 |
||
401 |
if (!readOnly) { |
|
402 |
checkIOOBE(() -> { |
|
403 |
vh.set(array, ci, VALUE_1); |
|
404 |
}); |
|
405 |
} |
|
406 |
||
407 |
checkIOOBE(() -> { |
|
408 |
char x = (char) vh.getVolatile(array, ci); |
|
409 |
}); |
|
410 |
||
411 |
checkIOOBE(() -> { |
|
412 |
char x = (char) vh.getAcquire(array, ci); |
|
413 |
}); |
|
414 |
||
415 |
checkIOOBE(() -> { |
|
416 |
char x = (char) vh.getOpaque(array, ci); |
|
417 |
}); |
|
418 |
||
419 |
if (!readOnly) { |
|
420 |
checkIOOBE(() -> { |
|
421 |
vh.setVolatile(array, ci, VALUE_1); |
|
422 |
}); |
|
423 |
||
424 |
checkIOOBE(() -> { |
|
425 |
vh.setRelease(array, ci, VALUE_1); |
|
426 |
}); |
|
427 |
||
428 |
checkIOOBE(() -> { |
|
429 |
vh.setOpaque(array, ci, VALUE_1); |
|
430 |
}); |
|
431 |
||
432 |
||
433 |
} |
|
434 |
} |
|
435 |
} |
|
436 |
||
437 |
static void testArrayMisalignedAccess(ByteArraySource bs, VarHandleSource vhs) throws Throwable { |
|
438 |
VarHandle vh = vhs.s; |
|
439 |
byte[] array = bs.s; |
|
440 |
||
441 |
int misalignmentAtZero = ByteBuffer.wrap(array).alignmentOffset(0, SIZE); |
|
442 |
||
443 |
int length = array.length - SIZE + 1; |
|
444 |
for (int i = 0; i < length; i++) { |
|
445 |
boolean iAligned = ((i + misalignmentAtZero) & (SIZE - 1)) == 0; |
|
446 |
final int ci = i; |
|
447 |
||
448 |
if (!iAligned) { |
|
449 |
checkISE(() -> { |
|
450 |
char x = (char) vh.getVolatile(array, ci); |
|
451 |
}); |
|
452 |
||
453 |
checkISE(() -> { |
|
454 |
char x = (char) vh.getAcquire(array, ci); |
|
455 |
}); |
|
456 |
||
457 |
checkISE(() -> { |
|
458 |
char x = (char) vh.getOpaque(array, ci); |
|
459 |
}); |
|
460 |
||
461 |
checkISE(() -> { |
|
462 |
vh.setVolatile(array, ci, VALUE_1); |
|
463 |
}); |
|
464 |
||
465 |
checkISE(() -> { |
|
466 |
vh.setRelease(array, ci, VALUE_1); |
|
467 |
}); |
|
468 |
||
469 |
checkISE(() -> { |
|
470 |
vh.setOpaque(array, ci, VALUE_1); |
|
471 |
}); |
|
472 |
||
473 |
||
474 |
} |
|
475 |
} |
|
476 |
} |
|
477 |
||
478 |
static void testArrayMisalignedAccess(ByteBufferSource bs, VarHandleSource vhs) throws Throwable { |
|
479 |
VarHandle vh = vhs.s; |
|
480 |
ByteBuffer array = bs.s; |
|
481 |
||
482 |
boolean readOnly = MemoryMode.READ_ONLY.isSet(bs.memoryModes); |
|
483 |
int misalignmentAtZero = array.alignmentOffset(0, SIZE); |
|
484 |
||
485 |
int length = array.limit() - SIZE + 1; |
|
486 |
for (int i = 0; i < length; i++) { |
|
487 |
boolean iAligned = ((i + misalignmentAtZero) & (SIZE - 1)) == 0; |
|
488 |
final int ci = i; |
|
489 |
||
490 |
if (!iAligned) { |
|
491 |
checkISE(() -> { |
|
492 |
char x = (char) vh.getVolatile(array, ci); |
|
493 |
}); |
|
494 |
||
495 |
checkISE(() -> { |
|
496 |
char x = (char) vh.getAcquire(array, ci); |
|
497 |
}); |
|
498 |
||
499 |
checkISE(() -> { |
|
500 |
char x = (char) vh.getOpaque(array, ci); |
|
501 |
}); |
|
502 |
||
503 |
if (!readOnly) { |
|
504 |
checkISE(() -> { |
|
505 |
vh.setVolatile(array, ci, VALUE_1); |
|
506 |
}); |
|
507 |
||
508 |
checkISE(() -> { |
|
509 |
vh.setRelease(array, ci, VALUE_1); |
|
510 |
}); |
|
511 |
||
512 |
checkISE(() -> { |
|
513 |
vh.setOpaque(array, ci, VALUE_1); |
|
514 |
}); |
|
515 |
||
516 |
||
517 |
} |
|
518 |
} |
|
519 |
} |
|
520 |
} |
|
521 |
||
522 |
static void testArrayReadWrite(ByteArraySource bs, VarHandleSource vhs) { |
|
523 |
VarHandle vh = vhs.s; |
|
524 |
byte[] array = bs.s; |
|
525 |
||
526 |
int misalignmentAtZero = ByteBuffer.wrap(array).alignmentOffset(0, SIZE); |
|
527 |
||
528 |
bs.fill((byte) 0xff); |
|
529 |
int length = array.length - SIZE + 1; |
|
530 |
for (int i = 0; i < length; i++) { |
|
531 |
boolean iAligned = ((i + misalignmentAtZero) & (SIZE - 1)) == 0; |
|
532 |
||
533 |
// Plain |
|
534 |
{ |
|
535 |
vh.set(array, i, VALUE_1); |
|
536 |
char x = (char) vh.get(array, i); |
|
537 |
assertEquals(x, VALUE_1, "get char value"); |
|
538 |
} |
|
539 |
||
540 |
||
541 |
if (iAligned) { |
|
542 |
// Volatile |
|
543 |
{ |
|
544 |
vh.setVolatile(array, i, VALUE_2); |
|
545 |
char x = (char) vh.getVolatile(array, i); |
|
546 |
assertEquals(x, VALUE_2, "setVolatile char value"); |
|
547 |
} |
|
548 |
||
549 |
// Lazy |
|
550 |
{ |
|
551 |
vh.setRelease(array, i, VALUE_1); |
|
552 |
char x = (char) vh.getAcquire(array, i); |
|
553 |
assertEquals(x, VALUE_1, "setRelease char value"); |
|
554 |
} |
|
555 |
||
556 |
// Opaque |
|
557 |
{ |
|
558 |
vh.setOpaque(array, i, VALUE_2); |
|
559 |
char x = (char) vh.getOpaque(array, i); |
|
560 |
assertEquals(x, VALUE_2, "setOpaque char value"); |
|
561 |
} |
|
562 |
||
563 |
} |
|
564 |
} |
|
565 |
} |
|
566 |
||
567 |
||
568 |
static void testArrayReadWrite(ByteBufferSource bs, VarHandleSource vhs) { |
|
569 |
VarHandle vh = vhs.s; |
|
570 |
ByteBuffer array = bs.s; |
|
571 |
||
572 |
int misalignmentAtZero = array.alignmentOffset(0, SIZE); |
|
573 |
||
574 |
bs.fill((byte) 0xff); |
|
575 |
int length = array.limit() - SIZE + 1; |
|
576 |
for (int i = 0; i < length; i++) { |
|
577 |
boolean iAligned = ((i + misalignmentAtZero) & (SIZE - 1)) == 0; |
|
578 |
||
579 |
// Plain |
|
580 |
{ |
|
581 |
vh.set(array, i, VALUE_1); |
|
582 |
char x = (char) vh.get(array, i); |
|
583 |
assertEquals(x, VALUE_1, "get char value"); |
|
584 |
} |
|
585 |
||
586 |
if (iAligned) { |
|
587 |
// Volatile |
|
588 |
{ |
|
589 |
vh.setVolatile(array, i, VALUE_2); |
|
590 |
char x = (char) vh.getVolatile(array, i); |
|
591 |
assertEquals(x, VALUE_2, "setVolatile char value"); |
|
592 |
} |
|
593 |
||
594 |
// Lazy |
|
595 |
{ |
|
596 |
vh.setRelease(array, i, VALUE_1); |
|
597 |
char x = (char) vh.getAcquire(array, i); |
|
598 |
assertEquals(x, VALUE_1, "setRelease char value"); |
|
599 |
} |
|
600 |
||
601 |
// Opaque |
|
602 |
{ |
|
603 |
vh.setOpaque(array, i, VALUE_2); |
|
604 |
char x = (char) vh.getOpaque(array, i); |
|
605 |
assertEquals(x, VALUE_2, "setOpaque char value"); |
|
606 |
} |
|
607 |
||
608 |
} |
|
609 |
} |
|
610 |
} |
|
611 |
||
612 |
static void testArrayReadOnly(ByteBufferSource bs, VarHandleSource vhs) { |
|
613 |
VarHandle vh = vhs.s; |
|
614 |
ByteBuffer array = bs.s; |
|
615 |
||
616 |
int misalignmentAtZero = array.alignmentOffset(0, SIZE); |
|
617 |
||
618 |
ByteBuffer bb = ByteBuffer.allocate(SIZE); |
|
619 |
bb.order(MemoryMode.BIG_ENDIAN.isSet(vhs.memoryModes) ? ByteOrder.BIG_ENDIAN : ByteOrder.LITTLE_ENDIAN); |
|
620 |
bs.fill(bb.putChar(0, VALUE_2).array()); |
|
621 |
||
622 |
int length = array.limit() - SIZE + 1; |
|
623 |
for (int i = 0; i < length; i++) { |
|
624 |
boolean iAligned = ((i + misalignmentAtZero) & (SIZE - 1)) == 0; |
|
625 |
||
626 |
char v = MemoryMode.BIG_ENDIAN.isSet(vhs.memoryModes) |
|
627 |
? rotateLeft(VALUE_2, (i % SIZE) << 3) |
|
628 |
: rotateRight(VALUE_2, (i % SIZE) << 3); |
|
629 |
// Plain |
|
630 |
{ |
|
631 |
char x = (char) vh.get(array, i); |
|
632 |
assertEquals(x, v, "get char value"); |
|
633 |
} |
|
634 |
||
635 |
if (iAligned) { |
|
636 |
// Volatile |
|
637 |
{ |
|
638 |
char x = (char) vh.getVolatile(array, i); |
|
639 |
assertEquals(x, v, "getVolatile char value"); |
|
640 |
} |
|
641 |
||
642 |
// Lazy |
|
643 |
{ |
|
644 |
char x = (char) vh.getAcquire(array, i); |
|
645 |
assertEquals(x, v, "getRelease char value"); |
|
646 |
} |
|
647 |
||
648 |
// Opaque |
|
649 |
{ |
|
650 |
char x = (char) vh.getOpaque(array, i); |
|
651 |
assertEquals(x, v, "getOpaque char value"); |
|
652 |
} |
|
653 |
} |
|
654 |
} |
|
655 |
} |
|
656 |
||
657 |
} |
|
658 |