--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/invoke/VarHandles/VarHandleTestAccessShort.java Thu Mar 24 11:21:21 2016 +0100
@@ -0,0 +1,647 @@
+/*
+ * Copyright (c) 2015, 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=10 -Xint VarHandleTestAccessShort
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 VarHandleTestAccessShort
+ * @run testng/othervm -Diters=20000 VarHandleTestAccessShort
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation VarHandleTestAccessShort
+ */
+
+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 VarHandleTestAccessShort extends VarHandleBaseTest {
+ static final short static_final_v = (short)1;
+
+ static short static_v;
+
+ final short final_v = (short)1;
+
+ short v;
+
+ VarHandle vhFinalField;
+
+ VarHandle vhField;
+
+ VarHandle vhStaticField;
+
+ VarHandle vhStaticFinalField;
+
+ VarHandle vhArray;
+
+ @BeforeClass
+ public void setup() throws Exception {
+ vhFinalField = MethodHandles.lookup().findVarHandle(
+ VarHandleTestAccessShort.class, "final_v", short.class);
+
+ vhField = MethodHandles.lookup().findVarHandle(
+ VarHandleTestAccessShort.class, "v", short.class);
+
+ vhStaticFinalField = MethodHandles.lookup().findStaticVarHandle(
+ VarHandleTestAccessShort.class, "static_final_v", short.class);
+
+ vhStaticField = MethodHandles.lookup().findStaticVarHandle(
+ VarHandleTestAccessShort.class, "static_v", short.class);
+
+ vhArray = MethodHandles.arrayElementVarHandle(short[].class);
+ }
+
+
+ @DataProvider
+ public Object[][] varHandlesProvider() throws Exception {
+ List<VarHandle> vhs = new ArrayList<>();
+ vhs.add(vhField);
+ vhs.add(vhStaticField);
+ vhs.add(vhArray);
+
+ return vhs.stream().map(tc -> new Object[]{tc}).toArray(Object[][]::new);
+ }
+
+ @Test(dataProvider = "varHandlesProvider")
+ public void testIsAccessModeSupported(VarHandle vh) {
+ assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.get));
+ assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.set));
+ assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.getVolatile));
+ assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.setVolatile));
+ assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.getAcquire));
+ assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.setRelease));
+ assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.getOpaque));
+ assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.setOpaque));
+
+ assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.compareAndSet));
+ assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.compareAndExchangeVolatile));
+ assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.compareAndExchangeAcquire));
+ assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.compareAndExchangeRelease));
+ assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.weakCompareAndSet));
+ assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.weakCompareAndSetAcquire));
+ assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.weakCompareAndSetRelease));
+ assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.weakCompareAndSetRelease));
+ assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.getAndSet));
+
+ assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.getAndAdd));
+ assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.addAndGet));
+ }
+
+
+ @DataProvider
+ public Object[][] typesProvider() throws Exception {
+ List<Object[]> types = new ArrayList<>();
+ types.add(new Object[] {vhField, Arrays.asList(VarHandleTestAccessShort.class)});
+ types.add(new Object[] {vhStaticField, Arrays.asList()});
+ types.add(new Object[] {vhArray, Arrays.asList(short[].class, int.class)});
+
+ return types.stream().toArray(Object[][]::new);
+ }
+
+ @Test(dataProvider = "typesProvider")
+ public void testTypes(VarHandle vh, List<Class<?>> pts) {
+ assertEquals(vh.varType(), short.class);
+
+ assertEquals(vh.coordinateTypes(), pts);
+
+ testTypes(vh);
+ }
+
+
+ @Test
+ public void testLookupInstanceToStatic() {
+ checkIAE("Lookup of static final field to instance final field", () -> {
+ MethodHandles.lookup().findStaticVarHandle(
+ VarHandleTestAccessShort.class, "final_v", short.class);
+ });
+
+ checkIAE("Lookup of static field to instance field", () -> {
+ MethodHandles.lookup().findStaticVarHandle(
+ VarHandleTestAccessShort.class, "v", short.class);
+ });
+ }
+
+ @Test
+ public void testLookupStaticToInstance() {
+ checkIAE("Lookup of instance final field to static final field", () -> {
+ MethodHandles.lookup().findVarHandle(
+ VarHandleTestAccessShort.class, "static_final_v", short.class);
+ });
+
+ checkIAE("Lookup of instance field to static field", () -> {
+ vhStaticField = MethodHandles.lookup().findVarHandle(
+ VarHandleTestAccessShort.class, "static_v", short.class);
+ });
+ }
+
+
+ @DataProvider
+ public Object[][] accessTestCaseProvider() throws Exception {
+ List<AccessTestCase<?>> cases = new ArrayList<>();
+
+ cases.add(new VarHandleAccessTestCase("Instance final field",
+ vhFinalField, vh -> testInstanceFinalField(this, vh)));
+ cases.add(new VarHandleAccessTestCase("Instance final field unsupported",
+ vhFinalField, vh -> testInstanceFinalFieldUnsupported(this, vh),
+ false));
+
+ cases.add(new VarHandleAccessTestCase("Static final field",
+ vhStaticFinalField, VarHandleTestAccessShort::testStaticFinalField));
+ cases.add(new VarHandleAccessTestCase("Static final field unsupported",
+ vhStaticFinalField, VarHandleTestAccessShort::testStaticFinalFieldUnsupported,
+ false));
+
+ cases.add(new VarHandleAccessTestCase("Instance field",
+ vhField, vh -> testInstanceField(this, vh)));
+ cases.add(new VarHandleAccessTestCase("Instance field unsupported",
+ vhField, vh -> testInstanceFieldUnsupported(this, vh),
+ false));
+
+ cases.add(new VarHandleAccessTestCase("Static field",
+ vhStaticField, VarHandleTestAccessShort::testStaticField));
+ cases.add(new VarHandleAccessTestCase("Static field unsupported",
+ vhStaticField, VarHandleTestAccessShort::testStaticFieldUnsupported,
+ false));
+
+ cases.add(new VarHandleAccessTestCase("Array",
+ vhArray, VarHandleTestAccessShort::testArray));
+ cases.add(new VarHandleAccessTestCase("Array unsupported",
+ vhArray, VarHandleTestAccessShort::testArrayUnsupported,
+ false));
+ cases.add(new VarHandleAccessTestCase("Array index out of bounds",
+ vhArray, VarHandleTestAccessShort::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 testInstanceFinalField(VarHandleTestAccessShort recv, VarHandle vh) {
+ // Plain
+ {
+ short x = (short) vh.get(recv);
+ assertEquals(x, (short)1, "get short value");
+ }
+
+
+ // Volatile
+ {
+ short x = (short) vh.getVolatile(recv);
+ assertEquals(x, (short)1, "getVolatile short value");
+ }
+
+ // Lazy
+ {
+ short x = (short) vh.getAcquire(recv);
+ assertEquals(x, (short)1, "getRelease short value");
+ }
+
+ // Opaque
+ {
+ short x = (short) vh.getOpaque(recv);
+ assertEquals(x, (short)1, "getOpaque short value");
+ }
+ }
+
+ static void testInstanceFinalFieldUnsupported(VarHandleTestAccessShort recv, VarHandle vh) {
+ checkUOE(() -> {
+ vh.set(recv, (short)2);
+ });
+
+ checkUOE(() -> {
+ vh.setVolatile(recv, (short)2);
+ });
+
+ checkUOE(() -> {
+ vh.setRelease(recv, (short)2);
+ });
+
+ checkUOE(() -> {
+ vh.setOpaque(recv, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.compareAndSet(recv, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short r = (short) vh.compareAndExchangeVolatile(recv, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short r = (short) vh.compareAndExchangeAcquire(recv, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short r = (short) vh.compareAndExchangeRelease(recv, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.weakCompareAndSet(recv, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.weakCompareAndSetAcquire(recv, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.weakCompareAndSetRelease(recv, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short o = (short) vh.getAndAdd(recv, (short)1);
+ });
+
+ checkUOE(() -> {
+ short o = (short) vh.addAndGet(recv, (short)1);
+ });
+ }
+
+
+ static void testStaticFinalField(VarHandle vh) {
+ // Plain
+ {
+ short x = (short) vh.get();
+ assertEquals(x, (short)1, "get short value");
+ }
+
+
+ // Volatile
+ {
+ short x = (short) vh.getVolatile();
+ assertEquals(x, (short)1, "getVolatile short value");
+ }
+
+ // Lazy
+ {
+ short x = (short) vh.getAcquire();
+ assertEquals(x, (short)1, "getRelease short value");
+ }
+
+ // Opaque
+ {
+ short x = (short) vh.getOpaque();
+ assertEquals(x, (short)1, "getOpaque short value");
+ }
+ }
+
+ static void testStaticFinalFieldUnsupported(VarHandle vh) {
+ checkUOE(() -> {
+ vh.set((short)2);
+ });
+
+ checkUOE(() -> {
+ vh.setVolatile((short)2);
+ });
+
+ checkUOE(() -> {
+ vh.setRelease((short)2);
+ });
+
+ checkUOE(() -> {
+ vh.setOpaque((short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.compareAndSet((short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short r = (short) vh.compareAndExchangeVolatile((short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short r = (short) vh.compareAndExchangeAcquire((short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short r = (short) vh.compareAndExchangeRelease((short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.weakCompareAndSet((short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.weakCompareAndSetAcquire((short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.weakCompareAndSetRelease((short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short o = (short) vh.getAndAdd((short)1);
+ });
+
+ checkUOE(() -> {
+ short o = (short) vh.addAndGet((short)1);
+ });
+ }
+
+
+ static void testInstanceField(VarHandleTestAccessShort recv, VarHandle vh) {
+ // Plain
+ {
+ vh.set(recv, (short)1);
+ short x = (short) vh.get(recv);
+ assertEquals(x, (short)1, "set short value");
+ }
+
+
+ // Volatile
+ {
+ vh.setVolatile(recv, (short)2);
+ short x = (short) vh.getVolatile(recv);
+ assertEquals(x, (short)2, "setVolatile short value");
+ }
+
+ // Lazy
+ {
+ vh.setRelease(recv, (short)1);
+ short x = (short) vh.getAcquire(recv);
+ assertEquals(x, (short)1, "setRelease short value");
+ }
+
+ // Opaque
+ {
+ vh.setOpaque(recv, (short)2);
+ short x = (short) vh.getOpaque(recv);
+ assertEquals(x, (short)2, "setOpaque short value");
+ }
+
+
+ }
+
+ static void testInstanceFieldUnsupported(VarHandleTestAccessShort recv, VarHandle vh) {
+ checkUOE(() -> {
+ boolean r = vh.compareAndSet(recv, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short r = (short) vh.compareAndExchangeVolatile(recv, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short r = (short) vh.compareAndExchangeAcquire(recv, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short r = (short) vh.compareAndExchangeRelease(recv, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.weakCompareAndSet(recv, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.weakCompareAndSetAcquire(recv, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.weakCompareAndSetRelease(recv, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short o = (short) vh.getAndAdd(recv, (short)1);
+ });
+
+ checkUOE(() -> {
+ short o = (short) vh.addAndGet(recv, (short)1);
+ });
+ }
+
+
+ static void testStaticField(VarHandle vh) {
+ // Plain
+ {
+ vh.set((short)1);
+ short x = (short) vh.get();
+ assertEquals(x, (short)1, "set short value");
+ }
+
+
+ // Volatile
+ {
+ vh.setVolatile((short)2);
+ short x = (short) vh.getVolatile();
+ assertEquals(x, (short)2, "setVolatile short value");
+ }
+
+ // Lazy
+ {
+ vh.setRelease((short)1);
+ short x = (short) vh.getAcquire();
+ assertEquals(x, (short)1, "setRelease short value");
+ }
+
+ // Opaque
+ {
+ vh.setOpaque((short)2);
+ short x = (short) vh.getOpaque();
+ assertEquals(x, (short)2, "setOpaque short value");
+ }
+
+
+ }
+
+ static void testStaticFieldUnsupported(VarHandle vh) {
+ checkUOE(() -> {
+ boolean r = vh.compareAndSet((short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short r = (short) vh.compareAndExchangeVolatile((short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short r = (short) vh.compareAndExchangeAcquire((short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short r = (short) vh.compareAndExchangeRelease((short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.weakCompareAndSet((short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.weakCompareAndSetAcquire((short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.weakCompareAndSetRelease((short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short o = (short) vh.getAndAdd((short)1);
+ });
+
+ checkUOE(() -> {
+ short o = (short) vh.addAndGet((short)1);
+ });
+ }
+
+
+ static void testArray(VarHandle vh) {
+ short[] array = new short[10];
+
+ for (int i = 0; i < array.length; i++) {
+ // Plain
+ {
+ vh.set(array, i, (short)1);
+ short x = (short) vh.get(array, i);
+ assertEquals(x, (short)1, "get short value");
+ }
+
+
+ // Volatile
+ {
+ vh.setVolatile(array, i, (short)2);
+ short x = (short) vh.getVolatile(array, i);
+ assertEquals(x, (short)2, "setVolatile short value");
+ }
+
+ // Lazy
+ {
+ vh.setRelease(array, i, (short)1);
+ short x = (short) vh.getAcquire(array, i);
+ assertEquals(x, (short)1, "setRelease short value");
+ }
+
+ // Opaque
+ {
+ vh.setOpaque(array, i, (short)2);
+ short x = (short) vh.getOpaque(array, i);
+ assertEquals(x, (short)2, "setOpaque short value");
+ }
+
+
+ }
+ }
+
+ static void testArrayUnsupported(VarHandle vh) {
+ short[] array = new short[10];
+
+ int i = 0;
+ checkUOE(() -> {
+ boolean r = vh.compareAndSet(array, i, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short r = (short) vh.compareAndExchangeVolatile(array, i, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short r = (short) vh.compareAndExchangeAcquire(array, i, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short r = (short) vh.compareAndExchangeRelease(array, i, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.weakCompareAndSet(array, i, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.weakCompareAndSetAcquire(array, i, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ boolean r = vh.weakCompareAndSetRelease(array, i, (short)1, (short)2);
+ });
+
+ checkUOE(() -> {
+ short o = (short) vh.getAndAdd(array, i, (short)1);
+ });
+
+ checkUOE(() -> {
+ short o = (short) vh.addAndGet(array, i, (short)1);
+ });
+ }
+
+ static void testArrayIndexOutOfBounds(VarHandle vh) throws Throwable {
+ short[] array = new short[10];
+
+ for (int i : new int[]{-1, Integer.MIN_VALUE, 10, 11, Integer.MAX_VALUE}) {
+ final int ci = i;
+
+ checkIOOBE(() -> {
+ short x = (short) vh.get(array, ci);
+ });
+
+ checkIOOBE(() -> {
+ vh.set(array, ci, (short)1);
+ });
+
+ checkIOOBE(() -> {
+ short x = (short) vh.getVolatile(array, ci);
+ });
+
+ checkIOOBE(() -> {
+ vh.setVolatile(array, ci, (short)1);
+ });
+
+ checkIOOBE(() -> {
+ short x = (short) vh.getAcquire(array, ci);
+ });
+
+ checkIOOBE(() -> {
+ vh.setRelease(array, ci, (short)1);
+ });
+
+ checkIOOBE(() -> {
+ short x = (short) vh.getOpaque(array, ci);
+ });
+
+ checkIOOBE(() -> {
+ vh.setOpaque(array, ci, (short)1);
+ });
+
+
+ }
+ }
+}
+