--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/invoke/VarHandles/VarHandleTestMethodHandleAccessByte.java Thu Mar 24 11:21:21 2016 +0100
@@ -0,0 +1,329 @@
+/*
+ * 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
+ * @run testng/othervm -Diters=20000 VarHandleTestMethodHandleAccessByte
+ */
+
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.VarHandle;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import static org.testng.Assert.*;
+
+public class VarHandleTestMethodHandleAccessByte extends VarHandleBaseTest {
+ static final byte static_final_v = (byte)1;
+
+ static byte static_v;
+
+ final byte final_v = (byte)1;
+
+ byte v;
+
+ VarHandle vhFinalField;
+
+ VarHandle vhField;
+
+ VarHandle vhStaticField;
+
+ VarHandle vhStaticFinalField;
+
+ VarHandle vhArray;
+
+ @BeforeClass
+ public void setup() throws Exception {
+ vhFinalField = MethodHandles.lookup().findVarHandle(
+ VarHandleTestMethodHandleAccessByte.class, "final_v", byte.class);
+
+ vhField = MethodHandles.lookup().findVarHandle(
+ VarHandleTestMethodHandleAccessByte.class, "v", byte.class);
+
+ vhStaticFinalField = MethodHandles.lookup().findStaticVarHandle(
+ VarHandleTestMethodHandleAccessByte.class, "static_final_v", byte.class);
+
+ vhStaticField = MethodHandles.lookup().findStaticVarHandle(
+ VarHandleTestMethodHandleAccessByte.class, "static_v", byte.class);
+
+ vhArray = MethodHandles.arrayElementVarHandle(byte[].class);
+ }
+
+
+ @DataProvider
+ public Object[][] accessTestCaseProvider() throws Exception {
+ List<AccessTestCase<?>> cases = new ArrayList<>();
+
+ for (VarHandleToMethodHandle f : VarHandleToMethodHandle.values()) {
+ cases.add(new MethodHandleAccessTestCase("Instance field",
+ vhField, f, hs -> testInstanceField(this, hs)));
+ cases.add(new MethodHandleAccessTestCase("Instance field unsupported",
+ vhField, f, hs -> testInstanceFieldUnsupported(this, hs),
+ false));
+
+ cases.add(new MethodHandleAccessTestCase("Static field",
+ vhStaticField, f, VarHandleTestMethodHandleAccessByte::testStaticField));
+ cases.add(new MethodHandleAccessTestCase("Static field unsupported",
+ vhStaticField, f, VarHandleTestMethodHandleAccessByte::testStaticFieldUnsupported,
+ false));
+
+ cases.add(new MethodHandleAccessTestCase("Array",
+ vhArray, f, VarHandleTestMethodHandleAccessByte::testArray));
+ cases.add(new MethodHandleAccessTestCase("Array unsupported",
+ vhArray, f, VarHandleTestMethodHandleAccessByte::testArrayUnsupported,
+ false));
+ cases.add(new MethodHandleAccessTestCase("Array index out of bounds",
+ vhArray, f, VarHandleTestMethodHandleAccessByte::testArrayIndexOutOfBounds,
+ 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 testInstanceField(VarHandleTestMethodHandleAccessByte recv, Handles hs) throws Throwable {
+ // Plain
+ {
+ hs.get(TestAccessMode.set).invokeExact(recv, (byte)1);
+ byte x = (byte) hs.get(TestAccessMode.get).invokeExact(recv);
+ assertEquals(x, (byte)1, "set byte value");
+ }
+
+
+ // Volatile
+ {
+ hs.get(TestAccessMode.setVolatile).invokeExact(recv, (byte)2);
+ byte x = (byte) hs.get(TestAccessMode.getVolatile).invokeExact(recv);
+ assertEquals(x, (byte)2, "setVolatile byte value");
+ }
+
+ // Lazy
+ {
+ hs.get(TestAccessMode.setRelease).invokeExact(recv, (byte)1);
+ byte x = (byte) hs.get(TestAccessMode.getAcquire).invokeExact(recv);
+ assertEquals(x, (byte)1, "setRelease byte value");
+ }
+
+ // Opaque
+ {
+ hs.get(TestAccessMode.setOpaque).invokeExact(recv, (byte)2);
+ byte x = (byte) hs.get(TestAccessMode.getOpaque).invokeExact(recv);
+ assertEquals(x, (byte)2, "setOpaque byte value");
+ }
+
+
+ }
+
+ static void testInstanceFieldUnsupported(VarHandleTestMethodHandleAccessByte recv, Handles hs) throws Throwable {
+ for (TestAccessMode am : testAccessModesOfType(TestAccessType.compareAndSet)) {
+ checkUOE(am, () -> {
+ boolean r = (boolean) hs.get(am).invokeExact(recv, (byte)1, (byte)2);
+ });
+ }
+
+ for (TestAccessMode am : testAccessModesOfType(TestAccessType.compareAndExchange)) {
+ checkUOE(am, () -> {
+ byte r = (byte) hs.get(am).invokeExact(recv, (byte)1, (byte)2);
+ });
+ }
+
+ for (TestAccessMode am : testAccessModesOfType(TestAccessType.getAndSet)) {
+ checkUOE(am, () -> {
+ byte r = (byte) hs.get(am).invokeExact(recv, (byte)1);
+ });
+ }
+
+ for (TestAccessMode am : testAccessModesOfType(TestAccessType.getAndAdd)) {
+ checkUOE(am, () -> {
+ byte r = (byte) hs.get(am).invokeExact(recv, (byte)1);
+ });
+ }
+ }
+
+
+ static void testStaticField(Handles hs) throws Throwable {
+ // Plain
+ {
+ hs.get(TestAccessMode.set).invokeExact((byte)1);
+ byte x = (byte) hs.get(TestAccessMode.get).invokeExact();
+ assertEquals(x, (byte)1, "set byte value");
+ }
+
+
+ // Volatile
+ {
+ hs.get(TestAccessMode.setVolatile).invokeExact((byte)2);
+ byte x = (byte) hs.get(TestAccessMode.getVolatile).invokeExact();
+ assertEquals(x, (byte)2, "setVolatile byte value");
+ }
+
+ // Lazy
+ {
+ hs.get(TestAccessMode.setRelease).invokeExact((byte)1);
+ byte x = (byte) hs.get(TestAccessMode.getAcquire).invokeExact();
+ assertEquals(x, (byte)1, "setRelease byte value");
+ }
+
+ // Opaque
+ {
+ hs.get(TestAccessMode.setOpaque).invokeExact((byte)2);
+ byte x = (byte) hs.get(TestAccessMode.getOpaque).invokeExact();
+ assertEquals(x, (byte)2, "setOpaque byte value");
+ }
+
+
+ }
+
+ static void testStaticFieldUnsupported(Handles hs) throws Throwable {
+ for (TestAccessMode am : testAccessModesOfType(TestAccessType.compareAndSet)) {
+ checkUOE(am, () -> {
+ boolean r = (boolean) hs.get(am).invokeExact((byte)1, (byte)2);
+ });
+ }
+
+ for (TestAccessMode am : testAccessModesOfType(TestAccessType.compareAndExchange)) {
+ checkUOE(am, () -> {
+ byte r = (byte) hs.get(am).invokeExact((byte)1, (byte)2);
+ });
+ }
+
+ for (TestAccessMode am : testAccessModesOfType(TestAccessType.getAndSet)) {
+ checkUOE(am, () -> {
+ byte r = (byte) hs.get(am).invokeExact((byte)1);
+ });
+ }
+
+ for (TestAccessMode am : testAccessModesOfType(TestAccessType.getAndAdd)) {
+ checkUOE(am, () -> {
+ byte r = (byte) hs.get(am).invokeExact((byte)1);
+ });
+ }
+ }
+
+
+ static void testArray(Handles hs) throws Throwable {
+ byte[] array = new byte[10];
+
+ for (int i = 0; i < array.length; i++) {
+ // Plain
+ {
+ hs.get(TestAccessMode.set).invokeExact(array, i, (byte)1);
+ byte x = (byte) hs.get(TestAccessMode.get).invokeExact(array, i);
+ assertEquals(x, (byte)1, "get byte value");
+ }
+
+
+ // Volatile
+ {
+ hs.get(TestAccessMode.setVolatile).invokeExact(array, i, (byte)2);
+ byte x = (byte) hs.get(TestAccessMode.getVolatile).invokeExact(array, i);
+ assertEquals(x, (byte)2, "setVolatile byte value");
+ }
+
+ // Lazy
+ {
+ hs.get(TestAccessMode.setRelease).invokeExact(array, i, (byte)1);
+ byte x = (byte) hs.get(TestAccessMode.getAcquire).invokeExact(array, i);
+ assertEquals(x, (byte)1, "setRelease byte value");
+ }
+
+ // Opaque
+ {
+ hs.get(TestAccessMode.setOpaque).invokeExact(array, i, (byte)2);
+ byte x = (byte) hs.get(TestAccessMode.getOpaque).invokeExact(array, i);
+ assertEquals(x, (byte)2, "setOpaque byte value");
+ }
+
+
+ }
+ }
+
+ static void testArrayUnsupported(Handles hs) throws Throwable {
+ byte[] array = new byte[10];
+
+ final int i = 0;
+ for (TestAccessMode am : testAccessModesOfType(TestAccessType.compareAndSet)) {
+ checkUOE(am, () -> {
+ boolean r = (boolean) hs.get(am).invokeExact(array, i, (byte)1, (byte)2);
+ });
+ }
+
+ for (TestAccessMode am : testAccessModesOfType(TestAccessType.compareAndExchange)) {
+ checkUOE(am, () -> {
+ byte r = (byte) hs.get(am).invokeExact(array, i, (byte)1, (byte)2);
+ });
+ }
+
+ for (TestAccessMode am : testAccessModesOfType(TestAccessType.getAndSet)) {
+ checkUOE(am, () -> {
+ byte r = (byte) hs.get(am).invokeExact(array, i, (byte)1);
+ });
+ }
+
+ for (TestAccessMode am : testAccessModesOfType(TestAccessType.getAndAdd)) {
+ checkUOE(am, () -> {
+ byte o = (byte) hs.get(am).invokeExact(array, i, (byte)1);
+ });
+ }
+ }
+
+ static void testArrayIndexOutOfBounds(Handles hs) throws Throwable {
+ byte[] array = new byte[10];
+
+ for (int i : new int[]{-1, Integer.MIN_VALUE, 10, 11, Integer.MAX_VALUE}) {
+ final int ci = i;
+
+ for (TestAccessMode am : testAccessModesOfType(TestAccessType.get)) {
+ checkIOOBE(am, () -> {
+ byte x = (byte) hs.get(am).invokeExact(array, ci);
+ });
+ }
+
+ for (TestAccessMode am : testAccessModesOfType(TestAccessType.set)) {
+ checkIOOBE(am, () -> {
+ hs.get(am).invokeExact(array, ci, (byte)1);
+ });
+ }
+
+
+ }
+ }
+}
+