8194233: Improve support for array handles
Reviewed-by: jrose, vlivanov, ahgross, rhalade
/*
* 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 VarHandleTestAccessFloat
* @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 VarHandleTestAccessFloat
* @run testng/othervm -Diters=20000 VarHandleTestAccessFloat
* @run testng/othervm -Diters=20000 -XX:-TieredCompilation VarHandleTestAccessFloat
*/
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 VarHandleTestAccessFloat extends VarHandleBaseTest {
static final float static_final_v = 1.0f;
static float static_v;
final float final_v = 1.0f;
float v;
VarHandle vhFinalField;
VarHandle vhField;
VarHandle vhStaticField;
VarHandle vhStaticFinalField;
VarHandle vhArray;
@BeforeClass
public void setup() throws Exception {
vhFinalField = MethodHandles.lookup().findVarHandle(
VarHandleTestAccessFloat.class, "final_v", float.class);
vhField = MethodHandles.lookup().findVarHandle(
VarHandleTestAccessFloat.class, "v", float.class);
vhStaticFinalField = MethodHandles.lookup().findStaticVarHandle(
VarHandleTestAccessFloat.class, "static_final_v", float.class);
vhStaticField = MethodHandles.lookup().findStaticVarHandle(
VarHandleTestAccessFloat.class, "static_v", float.class);
vhArray = MethodHandles.arrayElementVarHandle(float[].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.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));
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));
}
@DataProvider
public Object[][] typesProvider() throws Exception {
List<Object[]> types = new ArrayList<>();
types.add(new Object[] {vhField, Arrays.asList(VarHandleTestAccessFloat.class)});
types.add(new Object[] {vhStaticField, Arrays.asList()});
types.add(new Object[] {vhArray, Arrays.asList(float[].class, int.class)});
return types.stream().toArray(Object[][]::new);
}
@Test(dataProvider = "typesProvider")
public void testTypes(VarHandle vh, List<Class<?>> pts) {
assertEquals(vh.varType(), float.class);
assertEquals(vh.coordinateTypes(), pts);
testTypes(vh);
}
@Test
public void testLookupInstanceToStatic() {
checkIAE("Lookup of static final field to instance final field", () -> {
MethodHandles.lookup().findStaticVarHandle(
VarHandleTestAccessFloat.class, "final_v", float.class);
});
checkIAE("Lookup of static field to instance field", () -> {
MethodHandles.lookup().findStaticVarHandle(
VarHandleTestAccessFloat.class, "v", float.class);
});
}
@Test
public void testLookupStaticToInstance() {
checkIAE("Lookup of instance final field to static final field", () -> {
MethodHandles.lookup().findVarHandle(
VarHandleTestAccessFloat.class, "static_final_v", float.class);
});
checkIAE("Lookup of instance field to static field", () -> {
vhStaticField = MethodHandles.lookup().findVarHandle(
VarHandleTestAccessFloat.class, "static_v", float.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, VarHandleTestAccessFloat::testStaticFinalField));
cases.add(new VarHandleAccessTestCase("Static final field unsupported",
vhStaticFinalField, VarHandleTestAccessFloat::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, VarHandleTestAccessFloat::testStaticField));
cases.add(new VarHandleAccessTestCase("Static field unsupported",
vhStaticField, VarHandleTestAccessFloat::testStaticFieldUnsupported,
false));
cases.add(new VarHandleAccessTestCase("Array",
vhArray, VarHandleTestAccessFloat::testArray));
cases.add(new VarHandleAccessTestCase("Array unsupported",
vhArray, VarHandleTestAccessFloat::testArrayUnsupported,
false));
cases.add(new VarHandleAccessTestCase("Array index out of bounds",
vhArray, VarHandleTestAccessFloat::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(VarHandleTestAccessFloat recv, VarHandle vh) {
// Plain
{
float x = (float) vh.get(recv);
assertEquals(x, 1.0f, "get float value");
}
// Volatile
{
float x = (float) vh.getVolatile(recv);
assertEquals(x, 1.0f, "getVolatile float value");
}
// Lazy
{
float x = (float) vh.getAcquire(recv);
assertEquals(x, 1.0f, "getRelease float value");
}
// Opaque
{
float x = (float) vh.getOpaque(recv);
assertEquals(x, 1.0f, "getOpaque float value");
}
}
static void testInstanceFinalFieldUnsupported(VarHandleTestAccessFloat recv, VarHandle vh) {
checkUOE(() -> {
vh.set(recv, 2.0f);
});
checkUOE(() -> {
vh.setVolatile(recv, 2.0f);
});
checkUOE(() -> {
vh.setRelease(recv, 2.0f);
});
checkUOE(() -> {
vh.setOpaque(recv, 2.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseOr(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseOrAcquire(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseOrRelease(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseAnd(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseAndAcquire(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseAndRelease(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseXor(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseXorAcquire(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseXorRelease(recv, 1.0f);
});
}
static void testStaticFinalField(VarHandle vh) {
// Plain
{
float x = (float) vh.get();
assertEquals(x, 1.0f, "get float value");
}
// Volatile
{
float x = (float) vh.getVolatile();
assertEquals(x, 1.0f, "getVolatile float value");
}
// Lazy
{
float x = (float) vh.getAcquire();
assertEquals(x, 1.0f, "getRelease float value");
}
// Opaque
{
float x = (float) vh.getOpaque();
assertEquals(x, 1.0f, "getOpaque float value");
}
}
static void testStaticFinalFieldUnsupported(VarHandle vh) {
checkUOE(() -> {
vh.set(2.0f);
});
checkUOE(() -> {
vh.setVolatile(2.0f);
});
checkUOE(() -> {
vh.setRelease(2.0f);
});
checkUOE(() -> {
vh.setOpaque(2.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseOr(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseOrAcquire(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseOrRelease(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseAnd(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseAndAcquire(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseAndRelease(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseXor(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseXorAcquire(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseXorRelease(1.0f);
});
}
static void testInstanceField(VarHandleTestAccessFloat recv, VarHandle vh) {
// Plain
{
vh.set(recv, 1.0f);
float x = (float) vh.get(recv);
assertEquals(x, 1.0f, "set float value");
}
// Volatile
{
vh.setVolatile(recv, 2.0f);
float x = (float) vh.getVolatile(recv);
assertEquals(x, 2.0f, "setVolatile float value");
}
// Lazy
{
vh.setRelease(recv, 1.0f);
float x = (float) vh.getAcquire(recv);
assertEquals(x, 1.0f, "setRelease float value");
}
// Opaque
{
vh.setOpaque(recv, 2.0f);
float x = (float) vh.getOpaque(recv);
assertEquals(x, 2.0f, "setOpaque float value");
}
vh.set(recv, 1.0f);
// Compare
{
boolean r = vh.compareAndSet(recv, 1.0f, 2.0f);
assertEquals(r, true, "success compareAndSet float");
float x = (float) vh.get(recv);
assertEquals(x, 2.0f, "success compareAndSet float value");
}
{
boolean r = vh.compareAndSet(recv, 1.0f, 3.0f);
assertEquals(r, false, "failing compareAndSet float");
float x = (float) vh.get(recv);
assertEquals(x, 2.0f, "failing compareAndSet float value");
}
{
float r = (float) vh.compareAndExchange(recv, 2.0f, 1.0f);
assertEquals(r, 2.0f, "success compareAndExchange float");
float x = (float) vh.get(recv);
assertEquals(x, 1.0f, "success compareAndExchange float value");
}
{
float r = (float) vh.compareAndExchange(recv, 2.0f, 3.0f);
assertEquals(r, 1.0f, "failing compareAndExchange float");
float x = (float) vh.get(recv);
assertEquals(x, 1.0f, "failing compareAndExchange float value");
}
{
float r = (float) vh.compareAndExchangeAcquire(recv, 1.0f, 2.0f);
assertEquals(r, 1.0f, "success compareAndExchangeAcquire float");
float x = (float) vh.get(recv);
assertEquals(x, 2.0f, "success compareAndExchangeAcquire float value");
}
{
float r = (float) vh.compareAndExchangeAcquire(recv, 1.0f, 3.0f);
assertEquals(r, 2.0f, "failing compareAndExchangeAcquire float");
float x = (float) vh.get(recv);
assertEquals(x, 2.0f, "failing compareAndExchangeAcquire float value");
}
{
float r = (float) vh.compareAndExchangeRelease(recv, 2.0f, 1.0f);
assertEquals(r, 2.0f, "success compareAndExchangeRelease float");
float x = (float) vh.get(recv);
assertEquals(x, 1.0f, "success compareAndExchangeRelease float value");
}
{
float r = (float) vh.compareAndExchangeRelease(recv, 2.0f, 3.0f);
assertEquals(r, 1.0f, "failing compareAndExchangeRelease float");
float x = (float) vh.get(recv);
assertEquals(x, 1.0f, "failing compareAndExchangeRelease float value");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetPlain(recv, 1.0f, 2.0f);
}
assertEquals(success, true, "weakCompareAndSetPlain float");
float x = (float) vh.get(recv);
assertEquals(x, 2.0f, "weakCompareAndSetPlain float value");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetAcquire(recv, 2.0f, 1.0f);
}
assertEquals(success, true, "weakCompareAndSetAcquire float");
float x = (float) vh.get(recv);
assertEquals(x, 1.0f, "weakCompareAndSetAcquire float");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetRelease(recv, 1.0f, 2.0f);
}
assertEquals(success, true, "weakCompareAndSetRelease float");
float x = (float) vh.get(recv);
assertEquals(x, 2.0f, "weakCompareAndSetRelease float");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSet(recv, 2.0f, 1.0f);
}
assertEquals(success, true, "weakCompareAndSet float");
float x = (float) vh.get(recv);
assertEquals(x, 1.0f, "weakCompareAndSet float value");
}
// Compare set and get
{
vh.set(recv, 1.0f);
float o = (float) vh.getAndSet(recv, 2.0f);
assertEquals(o, 1.0f, "getAndSet float");
float x = (float) vh.get(recv);
assertEquals(x, 2.0f, "getAndSet float value");
}
{
vh.set(recv, 1.0f);
float o = (float) vh.getAndSetAcquire(recv, 2.0f);
assertEquals(o, 1.0f, "getAndSetAcquire float");
float x = (float) vh.get(recv);
assertEquals(x, 2.0f, "getAndSetAcquire float value");
}
{
vh.set(recv, 1.0f);
float o = (float) vh.getAndSetRelease(recv, 2.0f);
assertEquals(o, 1.0f, "getAndSetRelease float");
float x = (float) vh.get(recv);
assertEquals(x, 2.0f, "getAndSetRelease float value");
}
// get and add, add and get
{
vh.set(recv, 1.0f);
float o = (float) vh.getAndAdd(recv, 2.0f);
assertEquals(o, 1.0f, "getAndAdd float");
float x = (float) vh.get(recv);
assertEquals(x, (float)(1.0f + 2.0f), "getAndAdd float value");
}
{
vh.set(recv, 1.0f);
float o = (float) vh.getAndAddAcquire(recv, 2.0f);
assertEquals(o, 1.0f, "getAndAddAcquire float");
float x = (float) vh.get(recv);
assertEquals(x, (float)(1.0f + 2.0f), "getAndAddAcquire float value");
}
{
vh.set(recv, 1.0f);
float o = (float) vh.getAndAddRelease(recv, 2.0f);
assertEquals(o, 1.0f, "getAndAddReleasefloat");
float x = (float) vh.get(recv);
assertEquals(x, (float)(1.0f + 2.0f), "getAndAddRelease float value");
}
}
static void testInstanceFieldUnsupported(VarHandleTestAccessFloat recv, VarHandle vh) {
checkUOE(() -> {
float o = (float) vh.getAndBitwiseOr(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseOrAcquire(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseOrRelease(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseAnd(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseAndAcquire(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseAndRelease(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseXor(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseXorAcquire(recv, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseXorRelease(recv, 1.0f);
});
}
static void testStaticField(VarHandle vh) {
// Plain
{
vh.set(1.0f);
float x = (float) vh.get();
assertEquals(x, 1.0f, "set float value");
}
// Volatile
{
vh.setVolatile(2.0f);
float x = (float) vh.getVolatile();
assertEquals(x, 2.0f, "setVolatile float value");
}
// Lazy
{
vh.setRelease(1.0f);
float x = (float) vh.getAcquire();
assertEquals(x, 1.0f, "setRelease float value");
}
// Opaque
{
vh.setOpaque(2.0f);
float x = (float) vh.getOpaque();
assertEquals(x, 2.0f, "setOpaque float value");
}
vh.set(1.0f);
// Compare
{
boolean r = vh.compareAndSet(1.0f, 2.0f);
assertEquals(r, true, "success compareAndSet float");
float x = (float) vh.get();
assertEquals(x, 2.0f, "success compareAndSet float value");
}
{
boolean r = vh.compareAndSet(1.0f, 3.0f);
assertEquals(r, false, "failing compareAndSet float");
float x = (float) vh.get();
assertEquals(x, 2.0f, "failing compareAndSet float value");
}
{
float r = (float) vh.compareAndExchange(2.0f, 1.0f);
assertEquals(r, 2.0f, "success compareAndExchange float");
float x = (float) vh.get();
assertEquals(x, 1.0f, "success compareAndExchange float value");
}
{
float r = (float) vh.compareAndExchange(2.0f, 3.0f);
assertEquals(r, 1.0f, "failing compareAndExchange float");
float x = (float) vh.get();
assertEquals(x, 1.0f, "failing compareAndExchange float value");
}
{
float r = (float) vh.compareAndExchangeAcquire(1.0f, 2.0f);
assertEquals(r, 1.0f, "success compareAndExchangeAcquire float");
float x = (float) vh.get();
assertEquals(x, 2.0f, "success compareAndExchangeAcquire float value");
}
{
float r = (float) vh.compareAndExchangeAcquire(1.0f, 3.0f);
assertEquals(r, 2.0f, "failing compareAndExchangeAcquire float");
float x = (float) vh.get();
assertEquals(x, 2.0f, "failing compareAndExchangeAcquire float value");
}
{
float r = (float) vh.compareAndExchangeRelease(2.0f, 1.0f);
assertEquals(r, 2.0f, "success compareAndExchangeRelease float");
float x = (float) vh.get();
assertEquals(x, 1.0f, "success compareAndExchangeRelease float value");
}
{
float r = (float) vh.compareAndExchangeRelease(2.0f, 3.0f);
assertEquals(r, 1.0f, "failing compareAndExchangeRelease float");
float x = (float) vh.get();
assertEquals(x, 1.0f, "failing compareAndExchangeRelease float value");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetPlain(1.0f, 2.0f);
}
assertEquals(success, true, "weakCompareAndSetPlain float");
float x = (float) vh.get();
assertEquals(x, 2.0f, "weakCompareAndSetPlain float value");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetAcquire(2.0f, 1.0f);
}
assertEquals(success, true, "weakCompareAndSetAcquire float");
float x = (float) vh.get();
assertEquals(x, 1.0f, "weakCompareAndSetAcquire float");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetRelease(1.0f, 2.0f);
}
assertEquals(success, true, "weakCompareAndSetRelease float");
float x = (float) vh.get();
assertEquals(x, 2.0f, "weakCompareAndSetRelease float");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSet(2.0f, 1.0f);
}
assertEquals(success, true, "weakCompareAndSet float");
float x = (float) vh.get();
assertEquals(x, 1.0f, "weakCompareAndSet float");
}
// Compare set and get
{
vh.set(1.0f);
float o = (float) vh.getAndSet(2.0f);
assertEquals(o, 1.0f, "getAndSet float");
float x = (float) vh.get();
assertEquals(x, 2.0f, "getAndSet float value");
}
{
vh.set(1.0f);
float o = (float) vh.getAndSetAcquire(2.0f);
assertEquals(o, 1.0f, "getAndSetAcquire float");
float x = (float) vh.get();
assertEquals(x, 2.0f, "getAndSetAcquire float value");
}
{
vh.set(1.0f);
float o = (float) vh.getAndSetRelease(2.0f);
assertEquals(o, 1.0f, "getAndSetRelease float");
float x = (float) vh.get();
assertEquals(x, 2.0f, "getAndSetRelease float value");
}
// get and add, add and get
{
vh.set(1.0f);
float o = (float) vh.getAndAdd(2.0f);
assertEquals(o, 1.0f, "getAndAdd float");
float x = (float) vh.get();
assertEquals(x, (float)(1.0f + 2.0f), "getAndAdd float value");
}
{
vh.set(1.0f);
float o = (float) vh.getAndAddAcquire(2.0f);
assertEquals(o, 1.0f, "getAndAddAcquire float");
float x = (float) vh.get();
assertEquals(x, (float)(1.0f + 2.0f), "getAndAddAcquire float value");
}
{
vh.set(1.0f);
float o = (float) vh.getAndAddRelease(2.0f);
assertEquals(o, 1.0f, "getAndAddReleasefloat");
float x = (float) vh.get();
assertEquals(x, (float)(1.0f + 2.0f), "getAndAddRelease float value");
}
}
static void testStaticFieldUnsupported(VarHandle vh) {
checkUOE(() -> {
float o = (float) vh.getAndBitwiseOr(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseOrAcquire(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseOrRelease(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseAnd(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseAndAcquire(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseAndRelease(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseXor(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseXorAcquire(1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseXorRelease(1.0f);
});
}
static void testArray(VarHandle vh) {
float[] array = new float[10];
for (int i = 0; i < array.length; i++) {
// Plain
{
vh.set(array, i, 1.0f);
float x = (float) vh.get(array, i);
assertEquals(x, 1.0f, "get float value");
}
// Volatile
{
vh.setVolatile(array, i, 2.0f);
float x = (float) vh.getVolatile(array, i);
assertEquals(x, 2.0f, "setVolatile float value");
}
// Lazy
{
vh.setRelease(array, i, 1.0f);
float x = (float) vh.getAcquire(array, i);
assertEquals(x, 1.0f, "setRelease float value");
}
// Opaque
{
vh.setOpaque(array, i, 2.0f);
float x = (float) vh.getOpaque(array, i);
assertEquals(x, 2.0f, "setOpaque float value");
}
vh.set(array, i, 1.0f);
// Compare
{
boolean r = vh.compareAndSet(array, i, 1.0f, 2.0f);
assertEquals(r, true, "success compareAndSet float");
float x = (float) vh.get(array, i);
assertEquals(x, 2.0f, "success compareAndSet float value");
}
{
boolean r = vh.compareAndSet(array, i, 1.0f, 3.0f);
assertEquals(r, false, "failing compareAndSet float");
float x = (float) vh.get(array, i);
assertEquals(x, 2.0f, "failing compareAndSet float value");
}
{
float r = (float) vh.compareAndExchange(array, i, 2.0f, 1.0f);
assertEquals(r, 2.0f, "success compareAndExchange float");
float x = (float) vh.get(array, i);
assertEquals(x, 1.0f, "success compareAndExchange float value");
}
{
float r = (float) vh.compareAndExchange(array, i, 2.0f, 3.0f);
assertEquals(r, 1.0f, "failing compareAndExchange float");
float x = (float) vh.get(array, i);
assertEquals(x, 1.0f, "failing compareAndExchange float value");
}
{
float r = (float) vh.compareAndExchangeAcquire(array, i, 1.0f, 2.0f);
assertEquals(r, 1.0f, "success compareAndExchangeAcquire float");
float x = (float) vh.get(array, i);
assertEquals(x, 2.0f, "success compareAndExchangeAcquire float value");
}
{
float r = (float) vh.compareAndExchangeAcquire(array, i, 1.0f, 3.0f);
assertEquals(r, 2.0f, "failing compareAndExchangeAcquire float");
float x = (float) vh.get(array, i);
assertEquals(x, 2.0f, "failing compareAndExchangeAcquire float value");
}
{
float r = (float) vh.compareAndExchangeRelease(array, i, 2.0f, 1.0f);
assertEquals(r, 2.0f, "success compareAndExchangeRelease float");
float x = (float) vh.get(array, i);
assertEquals(x, 1.0f, "success compareAndExchangeRelease float value");
}
{
float r = (float) vh.compareAndExchangeRelease(array, i, 2.0f, 3.0f);
assertEquals(r, 1.0f, "failing compareAndExchangeRelease float");
float x = (float) vh.get(array, i);
assertEquals(x, 1.0f, "failing compareAndExchangeRelease float value");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetPlain(array, i, 1.0f, 2.0f);
}
assertEquals(success, true, "weakCompareAndSetPlain float");
float x = (float) vh.get(array, i);
assertEquals(x, 2.0f, "weakCompareAndSetPlain float value");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetAcquire(array, i, 2.0f, 1.0f);
}
assertEquals(success, true, "weakCompareAndSetAcquire float");
float x = (float) vh.get(array, i);
assertEquals(x, 1.0f, "weakCompareAndSetAcquire float");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetRelease(array, i, 1.0f, 2.0f);
}
assertEquals(success, true, "weakCompareAndSetRelease float");
float x = (float) vh.get(array, i);
assertEquals(x, 2.0f, "weakCompareAndSetRelease float");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSet(array, i, 2.0f, 1.0f);
}
assertEquals(success, true, "weakCompareAndSet float");
float x = (float) vh.get(array, i);
assertEquals(x, 1.0f, "weakCompareAndSet float");
}
// Compare set and get
{
vh.set(array, i, 1.0f);
float o = (float) vh.getAndSet(array, i, 2.0f);
assertEquals(o, 1.0f, "getAndSet float");
float x = (float) vh.get(array, i);
assertEquals(x, 2.0f, "getAndSet float value");
}
{
vh.set(array, i, 1.0f);
float o = (float) vh.getAndSetAcquire(array, i, 2.0f);
assertEquals(o, 1.0f, "getAndSetAcquire float");
float x = (float) vh.get(array, i);
assertEquals(x, 2.0f, "getAndSetAcquire float value");
}
{
vh.set(array, i, 1.0f);
float o = (float) vh.getAndSetRelease(array, i, 2.0f);
assertEquals(o, 1.0f, "getAndSetRelease float");
float x = (float) vh.get(array, i);
assertEquals(x, 2.0f, "getAndSetRelease float value");
}
// get and add, add and get
{
vh.set(array, i, 1.0f);
float o = (float) vh.getAndAdd(array, i, 2.0f);
assertEquals(o, 1.0f, "getAndAdd float");
float x = (float) vh.get(array, i);
assertEquals(x, (float)(1.0f + 2.0f), "getAndAdd float value");
}
{
vh.set(array, i, 1.0f);
float o = (float) vh.getAndAddAcquire(array, i, 2.0f);
assertEquals(o, 1.0f, "getAndAddAcquire float");
float x = (float) vh.get(array, i);
assertEquals(x, (float)(1.0f + 2.0f), "getAndAddAcquire float value");
}
{
vh.set(array, i, 1.0f);
float o = (float) vh.getAndAddRelease(array, i, 2.0f);
assertEquals(o, 1.0f, "getAndAddReleasefloat");
float x = (float) vh.get(array, i);
assertEquals(x, (float)(1.0f + 2.0f), "getAndAddRelease float value");
}
}
}
static void testArrayUnsupported(VarHandle vh) {
float[] array = new float[10];
int i = 0;
checkUOE(() -> {
float o = (float) vh.getAndBitwiseOr(array, i, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseOrAcquire(array, i, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseOrRelease(array, i, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseAnd(array, i, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseAndAcquire(array, i, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseAndRelease(array, i, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseXor(array, i, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseXorAcquire(array, i, 1.0f);
});
checkUOE(() -> {
float o = (float) vh.getAndBitwiseXorRelease(array, i, 1.0f);
});
}
static void testArrayIndexOutOfBounds(VarHandle vh) throws Throwable {
float[] array = new float[10];
for (int i : new int[]{-1, Integer.MIN_VALUE, 10, 11, Integer.MAX_VALUE}) {
final int ci = i;
checkIOOBE(() -> {
float x = (float) vh.get(array, ci);
});
checkIOOBE(() -> {
vh.set(array, ci, 1.0f);
});
checkIOOBE(() -> {
float x = (float) vh.getVolatile(array, ci);
});
checkIOOBE(() -> {
vh.setVolatile(array, ci, 1.0f);
});
checkIOOBE(() -> {
float x = (float) vh.getAcquire(array, ci);
});
checkIOOBE(() -> {
vh.setRelease(array, ci, 1.0f);
});
checkIOOBE(() -> {
float x = (float) vh.getOpaque(array, ci);
});
checkIOOBE(() -> {
vh.setOpaque(array, ci, 1.0f);
});
checkIOOBE(() -> {
boolean r = vh.compareAndSet(array, ci, 1.0f, 2.0f);
});
checkIOOBE(() -> {
float r = (float) vh.compareAndExchange(array, ci, 2.0f, 1.0f);
});
checkIOOBE(() -> {
float r = (float) vh.compareAndExchangeAcquire(array, ci, 2.0f, 1.0f);
});
checkIOOBE(() -> {
float r = (float) vh.compareAndExchangeRelease(array, ci, 2.0f, 1.0f);
});
checkIOOBE(() -> {
boolean r = vh.weakCompareAndSetPlain(array, ci, 1.0f, 2.0f);
});
checkIOOBE(() -> {
boolean r = vh.weakCompareAndSet(array, ci, 1.0f, 2.0f);
});
checkIOOBE(() -> {
boolean r = vh.weakCompareAndSetAcquire(array, ci, 1.0f, 2.0f);
});
checkIOOBE(() -> {
boolean r = vh.weakCompareAndSetRelease(array, ci, 1.0f, 2.0f);
});
checkIOOBE(() -> {
float o = (float) vh.getAndSet(array, ci, 1.0f);
});
checkIOOBE(() -> {
float o = (float) vh.getAndSetAcquire(array, ci, 1.0f);
});
checkIOOBE(() -> {
float o = (float) vh.getAndSetRelease(array, ci, 1.0f);
});
checkIOOBE(() -> {
float o = (float) vh.getAndAdd(array, ci, 1.0f);
});
checkIOOBE(() -> {
float o = (float) vh.getAndAddAcquire(array, ci, 1.0f);
});
checkIOOBE(() -> {
float o = (float) vh.getAndAddRelease(array, ci, 1.0f);
});
}
}
}