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/*
* 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 VarHandleTestAccessChar
* @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 VarHandleTestAccessChar
* @run testng/othervm -Diters=20000 VarHandleTestAccessChar
* @run testng/othervm -Diters=20000 -XX:-TieredCompilation VarHandleTestAccessChar
*/
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 VarHandleTestAccessChar extends VarHandleBaseTest {
static final char static_final_v = '\u0123';
static char static_v;
final char final_v = '\u0123';
char v;
VarHandle vhFinalField;
VarHandle vhField;
VarHandle vhStaticField;
VarHandle vhStaticFinalField;
VarHandle vhArray;
@BeforeClass
public void setup() throws Exception {
vhFinalField = MethodHandles.lookup().findVarHandle(
VarHandleTestAccessChar.class, "final_v", char.class);
vhField = MethodHandles.lookup().findVarHandle(
VarHandleTestAccessChar.class, "v", char.class);
vhStaticFinalField = MethodHandles.lookup().findStaticVarHandle(
VarHandleTestAccessChar.class, "static_final_v", char.class);
vhStaticField = MethodHandles.lookup().findStaticVarHandle(
VarHandleTestAccessChar.class, "static_v", char.class);
vhArray = MethodHandles.arrayElementVarHandle(char[].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));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_ACQUIRE));
assertTrue(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(VarHandleTestAccessChar.class)});
types.add(new Object[] {vhStaticField, Arrays.asList()});
types.add(new Object[] {vhArray, Arrays.asList(char[].class, int.class)});
return types.stream().toArray(Object[][]::new);
}
@Test(dataProvider = "typesProvider")
public void testTypes(VarHandle vh, List<Class<?>> pts) {
assertEquals(vh.varType(), char.class);
assertEquals(vh.coordinateTypes(), pts);
testTypes(vh);
}
@Test
public void testLookupInstanceToStatic() {
checkIAE("Lookup of static final field to instance final field", () -> {
MethodHandles.lookup().findStaticVarHandle(
VarHandleTestAccessChar.class, "final_v", char.class);
});
checkIAE("Lookup of static field to instance field", () -> {
MethodHandles.lookup().findStaticVarHandle(
VarHandleTestAccessChar.class, "v", char.class);
});
}
@Test
public void testLookupStaticToInstance() {
checkIAE("Lookup of instance final field to static final field", () -> {
MethodHandles.lookup().findVarHandle(
VarHandleTestAccessChar.class, "static_final_v", char.class);
});
checkIAE("Lookup of instance field to static field", () -> {
vhStaticField = MethodHandles.lookup().findVarHandle(
VarHandleTestAccessChar.class, "static_v", char.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, VarHandleTestAccessChar::testStaticFinalField));
cases.add(new VarHandleAccessTestCase("Static final field unsupported",
vhStaticFinalField, VarHandleTestAccessChar::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, VarHandleTestAccessChar::testStaticField));
cases.add(new VarHandleAccessTestCase("Static field unsupported",
vhStaticField, VarHandleTestAccessChar::testStaticFieldUnsupported,
false));
cases.add(new VarHandleAccessTestCase("Array",
vhArray, VarHandleTestAccessChar::testArray));
cases.add(new VarHandleAccessTestCase("Array unsupported",
vhArray, VarHandleTestAccessChar::testArrayUnsupported,
false));
cases.add(new VarHandleAccessTestCase("Array index out of bounds",
vhArray, VarHandleTestAccessChar::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(VarHandleTestAccessChar recv, VarHandle vh) {
// Plain
{
char x = (char) vh.get(recv);
assertEquals(x, '\u0123', "get char value");
}
// Volatile
{
char x = (char) vh.getVolatile(recv);
assertEquals(x, '\u0123', "getVolatile char value");
}
// Lazy
{
char x = (char) vh.getAcquire(recv);
assertEquals(x, '\u0123', "getRelease char value");
}
// Opaque
{
char x = (char) vh.getOpaque(recv);
assertEquals(x, '\u0123', "getOpaque char value");
}
}
static void testInstanceFinalFieldUnsupported(VarHandleTestAccessChar recv, VarHandle vh) {
checkUOE(() -> {
vh.set(recv, '\u4567');
});
checkUOE(() -> {
vh.setVolatile(recv, '\u4567');
});
checkUOE(() -> {
vh.setRelease(recv, '\u4567');
});
checkUOE(() -> {
vh.setOpaque(recv, '\u4567');
});
}
static void testStaticFinalField(VarHandle vh) {
// Plain
{
char x = (char) vh.get();
assertEquals(x, '\u0123', "get char value");
}
// Volatile
{
char x = (char) vh.getVolatile();
assertEquals(x, '\u0123', "getVolatile char value");
}
// Lazy
{
char x = (char) vh.getAcquire();
assertEquals(x, '\u0123', "getRelease char value");
}
// Opaque
{
char x = (char) vh.getOpaque();
assertEquals(x, '\u0123', "getOpaque char value");
}
}
static void testStaticFinalFieldUnsupported(VarHandle vh) {
checkUOE(() -> {
vh.set('\u4567');
});
checkUOE(() -> {
vh.setVolatile('\u4567');
});
checkUOE(() -> {
vh.setRelease('\u4567');
});
checkUOE(() -> {
vh.setOpaque('\u4567');
});
}
static void testInstanceField(VarHandleTestAccessChar recv, VarHandle vh) {
// Plain
{
vh.set(recv, '\u0123');
char x = (char) vh.get(recv);
assertEquals(x, '\u0123', "set char value");
}
// Volatile
{
vh.setVolatile(recv, '\u4567');
char x = (char) vh.getVolatile(recv);
assertEquals(x, '\u4567', "setVolatile char value");
}
// Lazy
{
vh.setRelease(recv, '\u0123');
char x = (char) vh.getAcquire(recv);
assertEquals(x, '\u0123', "setRelease char value");
}
// Opaque
{
vh.setOpaque(recv, '\u4567');
char x = (char) vh.getOpaque(recv);
assertEquals(x, '\u4567', "setOpaque char value");
}
vh.set(recv, '\u0123');
// Compare
{
boolean r = vh.compareAndSet(recv, '\u0123', '\u4567');
assertEquals(r, true, "success compareAndSet char");
char x = (char) vh.get(recv);
assertEquals(x, '\u4567', "success compareAndSet char value");
}
{
boolean r = vh.compareAndSet(recv, '\u0123', '\u89AB');
assertEquals(r, false, "failing compareAndSet char");
char x = (char) vh.get(recv);
assertEquals(x, '\u4567', "failing compareAndSet char value");
}
{
char r = (char) vh.compareAndExchange(recv, '\u4567', '\u0123');
assertEquals(r, '\u4567', "success compareAndExchange char");
char x = (char) vh.get(recv);
assertEquals(x, '\u0123', "success compareAndExchange char value");
}
{
char r = (char) vh.compareAndExchange(recv, '\u4567', '\u89AB');
assertEquals(r, '\u0123', "failing compareAndExchange char");
char x = (char) vh.get(recv);
assertEquals(x, '\u0123', "failing compareAndExchange char value");
}
{
char r = (char) vh.compareAndExchangeAcquire(recv, '\u0123', '\u4567');
assertEquals(r, '\u0123', "success compareAndExchangeAcquire char");
char x = (char) vh.get(recv);
assertEquals(x, '\u4567', "success compareAndExchangeAcquire char value");
}
{
char r = (char) vh.compareAndExchangeAcquire(recv, '\u0123', '\u89AB');
assertEquals(r, '\u4567', "failing compareAndExchangeAcquire char");
char x = (char) vh.get(recv);
assertEquals(x, '\u4567', "failing compareAndExchangeAcquire char value");
}
{
char r = (char) vh.compareAndExchangeRelease(recv, '\u4567', '\u0123');
assertEquals(r, '\u4567', "success compareAndExchangeRelease char");
char x = (char) vh.get(recv);
assertEquals(x, '\u0123', "success compareAndExchangeRelease char value");
}
{
char r = (char) vh.compareAndExchangeRelease(recv, '\u4567', '\u89AB');
assertEquals(r, '\u0123', "failing compareAndExchangeRelease char");
char x = (char) vh.get(recv);
assertEquals(x, '\u0123', "failing compareAndExchangeRelease char value");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetPlain(recv, '\u0123', '\u4567');
}
assertEquals(success, true, "weakCompareAndSetPlain char");
char x = (char) vh.get(recv);
assertEquals(x, '\u4567', "weakCompareAndSetPlain char value");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetAcquire(recv, '\u4567', '\u0123');
}
assertEquals(success, true, "weakCompareAndSetAcquire char");
char x = (char) vh.get(recv);
assertEquals(x, '\u0123', "weakCompareAndSetAcquire char");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetRelease(recv, '\u0123', '\u4567');
}
assertEquals(success, true, "weakCompareAndSetRelease char");
char x = (char) vh.get(recv);
assertEquals(x, '\u4567', "weakCompareAndSetRelease char");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSet(recv, '\u4567', '\u0123');
}
assertEquals(success, true, "weakCompareAndSet char");
char x = (char) vh.get(recv);
assertEquals(x, '\u0123', "weakCompareAndSet char value");
}
// Compare set and get
{
vh.set(recv, '\u0123');
char o = (char) vh.getAndSet(recv, '\u4567');
assertEquals(o, '\u0123', "getAndSet char");
char x = (char) vh.get(recv);
assertEquals(x, '\u4567', "getAndSet char value");
}
{
vh.set(recv, '\u0123');
char o = (char) vh.getAndSetAcquire(recv, '\u4567');
assertEquals(o, '\u0123', "getAndSetAcquire char");
char x = (char) vh.get(recv);
assertEquals(x, '\u4567', "getAndSetAcquire char value");
}
{
vh.set(recv, '\u0123');
char o = (char) vh.getAndSetRelease(recv, '\u4567');
assertEquals(o, '\u0123', "getAndSetRelease char");
char x = (char) vh.get(recv);
assertEquals(x, '\u4567', "getAndSetRelease char value");
}
// get and add, add and get
{
vh.set(recv, '\u0123');
char o = (char) vh.getAndAdd(recv, '\u4567');
assertEquals(o, '\u0123', "getAndAdd char");
char x = (char) vh.get(recv);
assertEquals(x, (char)('\u0123' + '\u4567'), "getAndAdd char value");
}
{
vh.set(recv, '\u0123');
char o = (char) vh.getAndAddAcquire(recv, '\u4567');
assertEquals(o, '\u0123', "getAndAddAcquire char");
char x = (char) vh.get(recv);
assertEquals(x, (char)('\u0123' + '\u4567'), "getAndAddAcquire char value");
}
{
vh.set(recv, '\u0123');
char o = (char) vh.getAndAddRelease(recv, '\u4567');
assertEquals(o, '\u0123', "getAndAddReleasechar");
char x = (char) vh.get(recv);
assertEquals(x, (char)('\u0123' + '\u4567'), "getAndAddRelease char value");
}
// get and bitwise or
{
vh.set(recv, '\u0123');
char o = (char) vh.getAndBitwiseOr(recv, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseOr char");
char x = (char) vh.get(recv);
assertEquals(x, (char)('\u0123' | '\u4567'), "getAndBitwiseOr char value");
}
{
vh.set(recv, '\u0123');
char o = (char) vh.getAndBitwiseOrAcquire(recv, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseOrAcquire char");
char x = (char) vh.get(recv);
assertEquals(x, (char)('\u0123' | '\u4567'), "getAndBitwiseOrAcquire char value");
}
{
vh.set(recv, '\u0123');
char o = (char) vh.getAndBitwiseOrRelease(recv, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseOrRelease char");
char x = (char) vh.get(recv);
assertEquals(x, (char)('\u0123' | '\u4567'), "getAndBitwiseOrRelease char value");
}
// get and bitwise and
{
vh.set(recv, '\u0123');
char o = (char) vh.getAndBitwiseAnd(recv, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseAnd char");
char x = (char) vh.get(recv);
assertEquals(x, (char)('\u0123' & '\u4567'), "getAndBitwiseAnd char value");
}
{
vh.set(recv, '\u0123');
char o = (char) vh.getAndBitwiseAndAcquire(recv, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseAndAcquire char");
char x = (char) vh.get(recv);
assertEquals(x, (char)('\u0123' & '\u4567'), "getAndBitwiseAndAcquire char value");
}
{
vh.set(recv, '\u0123');
char o = (char) vh.getAndBitwiseAndRelease(recv, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseAndRelease char");
char x = (char) vh.get(recv);
assertEquals(x, (char)('\u0123' & '\u4567'), "getAndBitwiseAndRelease char value");
}
// get and bitwise xor
{
vh.set(recv, '\u0123');
char o = (char) vh.getAndBitwiseXor(recv, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseXor char");
char x = (char) vh.get(recv);
assertEquals(x, (char)('\u0123' ^ '\u4567'), "getAndBitwiseXor char value");
}
{
vh.set(recv, '\u0123');
char o = (char) vh.getAndBitwiseXorAcquire(recv, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseXorAcquire char");
char x = (char) vh.get(recv);
assertEquals(x, (char)('\u0123' ^ '\u4567'), "getAndBitwiseXorAcquire char value");
}
{
vh.set(recv, '\u0123');
char o = (char) vh.getAndBitwiseXorRelease(recv, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseXorRelease char");
char x = (char) vh.get(recv);
assertEquals(x, (char)('\u0123' ^ '\u4567'), "getAndBitwiseXorRelease char value");
}
}
static void testInstanceFieldUnsupported(VarHandleTestAccessChar recv, VarHandle vh) {
}
static void testStaticField(VarHandle vh) {
// Plain
{
vh.set('\u0123');
char x = (char) vh.get();
assertEquals(x, '\u0123', "set char value");
}
// Volatile
{
vh.setVolatile('\u4567');
char x = (char) vh.getVolatile();
assertEquals(x, '\u4567', "setVolatile char value");
}
// Lazy
{
vh.setRelease('\u0123');
char x = (char) vh.getAcquire();
assertEquals(x, '\u0123', "setRelease char value");
}
// Opaque
{
vh.setOpaque('\u4567');
char x = (char) vh.getOpaque();
assertEquals(x, '\u4567', "setOpaque char value");
}
vh.set('\u0123');
// Compare
{
boolean r = vh.compareAndSet('\u0123', '\u4567');
assertEquals(r, true, "success compareAndSet char");
char x = (char) vh.get();
assertEquals(x, '\u4567', "success compareAndSet char value");
}
{
boolean r = vh.compareAndSet('\u0123', '\u89AB');
assertEquals(r, false, "failing compareAndSet char");
char x = (char) vh.get();
assertEquals(x, '\u4567', "failing compareAndSet char value");
}
{
char r = (char) vh.compareAndExchange('\u4567', '\u0123');
assertEquals(r, '\u4567', "success compareAndExchange char");
char x = (char) vh.get();
assertEquals(x, '\u0123', "success compareAndExchange char value");
}
{
char r = (char) vh.compareAndExchange('\u4567', '\u89AB');
assertEquals(r, '\u0123', "failing compareAndExchange char");
char x = (char) vh.get();
assertEquals(x, '\u0123', "failing compareAndExchange char value");
}
{
char r = (char) vh.compareAndExchangeAcquire('\u0123', '\u4567');
assertEquals(r, '\u0123', "success compareAndExchangeAcquire char");
char x = (char) vh.get();
assertEquals(x, '\u4567', "success compareAndExchangeAcquire char value");
}
{
char r = (char) vh.compareAndExchangeAcquire('\u0123', '\u89AB');
assertEquals(r, '\u4567', "failing compareAndExchangeAcquire char");
char x = (char) vh.get();
assertEquals(x, '\u4567', "failing compareAndExchangeAcquire char value");
}
{
char r = (char) vh.compareAndExchangeRelease('\u4567', '\u0123');
assertEquals(r, '\u4567', "success compareAndExchangeRelease char");
char x = (char) vh.get();
assertEquals(x, '\u0123', "success compareAndExchangeRelease char value");
}
{
char r = (char) vh.compareAndExchangeRelease('\u4567', '\u89AB');
assertEquals(r, '\u0123', "failing compareAndExchangeRelease char");
char x = (char) vh.get();
assertEquals(x, '\u0123', "failing compareAndExchangeRelease char value");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetPlain('\u0123', '\u4567');
}
assertEquals(success, true, "weakCompareAndSetPlain char");
char x = (char) vh.get();
assertEquals(x, '\u4567', "weakCompareAndSetPlain char value");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetAcquire('\u4567', '\u0123');
}
assertEquals(success, true, "weakCompareAndSetAcquire char");
char x = (char) vh.get();
assertEquals(x, '\u0123', "weakCompareAndSetAcquire char");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetRelease('\u0123', '\u4567');
}
assertEquals(success, true, "weakCompareAndSetRelease char");
char x = (char) vh.get();
assertEquals(x, '\u4567', "weakCompareAndSetRelease char");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSet('\u4567', '\u0123');
}
assertEquals(success, true, "weakCompareAndSet char");
char x = (char) vh.get();
assertEquals(x, '\u0123', "weakCompareAndSet char");
}
// Compare set and get
{
vh.set('\u0123');
char o = (char) vh.getAndSet('\u4567');
assertEquals(o, '\u0123', "getAndSet char");
char x = (char) vh.get();
assertEquals(x, '\u4567', "getAndSet char value");
}
{
vh.set('\u0123');
char o = (char) vh.getAndSetAcquire('\u4567');
assertEquals(o, '\u0123', "getAndSetAcquire char");
char x = (char) vh.get();
assertEquals(x, '\u4567', "getAndSetAcquire char value");
}
{
vh.set('\u0123');
char o = (char) vh.getAndSetRelease('\u4567');
assertEquals(o, '\u0123', "getAndSetRelease char");
char x = (char) vh.get();
assertEquals(x, '\u4567', "getAndSetRelease char value");
}
// get and add, add and get
{
vh.set('\u0123');
char o = (char) vh.getAndAdd('\u4567');
assertEquals(o, '\u0123', "getAndAdd char");
char x = (char) vh.get();
assertEquals(x, (char)('\u0123' + '\u4567'), "getAndAdd char value");
}
{
vh.set('\u0123');
char o = (char) vh.getAndAddAcquire('\u4567');
assertEquals(o, '\u0123', "getAndAddAcquire char");
char x = (char) vh.get();
assertEquals(x, (char)('\u0123' + '\u4567'), "getAndAddAcquire char value");
}
{
vh.set('\u0123');
char o = (char) vh.getAndAddRelease('\u4567');
assertEquals(o, '\u0123', "getAndAddReleasechar");
char x = (char) vh.get();
assertEquals(x, (char)('\u0123' + '\u4567'), "getAndAddRelease char value");
}
// get and bitwise or
{
vh.set('\u0123');
char o = (char) vh.getAndBitwiseOr('\u4567');
assertEquals(o, '\u0123', "getAndBitwiseOr char");
char x = (char) vh.get();
assertEquals(x, (char)('\u0123' | '\u4567'), "getAndBitwiseOr char value");
}
{
vh.set('\u0123');
char o = (char) vh.getAndBitwiseOrAcquire('\u4567');
assertEquals(o, '\u0123', "getAndBitwiseOrAcquire char");
char x = (char) vh.get();
assertEquals(x, (char)('\u0123' | '\u4567'), "getAndBitwiseOrAcquire char value");
}
{
vh.set('\u0123');
char o = (char) vh.getAndBitwiseOrRelease('\u4567');
assertEquals(o, '\u0123', "getAndBitwiseOrRelease char");
char x = (char) vh.get();
assertEquals(x, (char)('\u0123' | '\u4567'), "getAndBitwiseOrRelease char value");
}
// get and bitwise and
{
vh.set('\u0123');
char o = (char) vh.getAndBitwiseAnd('\u4567');
assertEquals(o, '\u0123', "getAndBitwiseAnd char");
char x = (char) vh.get();
assertEquals(x, (char)('\u0123' & '\u4567'), "getAndBitwiseAnd char value");
}
{
vh.set('\u0123');
char o = (char) vh.getAndBitwiseAndAcquire('\u4567');
assertEquals(o, '\u0123', "getAndBitwiseAndAcquire char");
char x = (char) vh.get();
assertEquals(x, (char)('\u0123' & '\u4567'), "getAndBitwiseAndAcquire char value");
}
{
vh.set('\u0123');
char o = (char) vh.getAndBitwiseAndRelease('\u4567');
assertEquals(o, '\u0123', "getAndBitwiseAndRelease char");
char x = (char) vh.get();
assertEquals(x, (char)('\u0123' & '\u4567'), "getAndBitwiseAndRelease char value");
}
// get and bitwise xor
{
vh.set('\u0123');
char o = (char) vh.getAndBitwiseXor('\u4567');
assertEquals(o, '\u0123', "getAndBitwiseXor char");
char x = (char) vh.get();
assertEquals(x, (char)('\u0123' ^ '\u4567'), "getAndBitwiseXor char value");
}
{
vh.set('\u0123');
char o = (char) vh.getAndBitwiseXorAcquire('\u4567');
assertEquals(o, '\u0123', "getAndBitwiseXorAcquire char");
char x = (char) vh.get();
assertEquals(x, (char)('\u0123' ^ '\u4567'), "getAndBitwiseXorAcquire char value");
}
{
vh.set('\u0123');
char o = (char) vh.getAndBitwiseXorRelease('\u4567');
assertEquals(o, '\u0123', "getAndBitwiseXorRelease char");
char x = (char) vh.get();
assertEquals(x, (char)('\u0123' ^ '\u4567'), "getAndBitwiseXorRelease char value");
}
}
static void testStaticFieldUnsupported(VarHandle vh) {
}
static void testArray(VarHandle vh) {
char[] array = new char[10];
for (int i = 0; i < array.length; i++) {
// Plain
{
vh.set(array, i, '\u0123');
char x = (char) vh.get(array, i);
assertEquals(x, '\u0123', "get char value");
}
// Volatile
{
vh.setVolatile(array, i, '\u4567');
char x = (char) vh.getVolatile(array, i);
assertEquals(x, '\u4567', "setVolatile char value");
}
// Lazy
{
vh.setRelease(array, i, '\u0123');
char x = (char) vh.getAcquire(array, i);
assertEquals(x, '\u0123', "setRelease char value");
}
// Opaque
{
vh.setOpaque(array, i, '\u4567');
char x = (char) vh.getOpaque(array, i);
assertEquals(x, '\u4567', "setOpaque char value");
}
vh.set(array, i, '\u0123');
// Compare
{
boolean r = vh.compareAndSet(array, i, '\u0123', '\u4567');
assertEquals(r, true, "success compareAndSet char");
char x = (char) vh.get(array, i);
assertEquals(x, '\u4567', "success compareAndSet char value");
}
{
boolean r = vh.compareAndSet(array, i, '\u0123', '\u89AB');
assertEquals(r, false, "failing compareAndSet char");
char x = (char) vh.get(array, i);
assertEquals(x, '\u4567', "failing compareAndSet char value");
}
{
char r = (char) vh.compareAndExchange(array, i, '\u4567', '\u0123');
assertEquals(r, '\u4567', "success compareAndExchange char");
char x = (char) vh.get(array, i);
assertEquals(x, '\u0123', "success compareAndExchange char value");
}
{
char r = (char) vh.compareAndExchange(array, i, '\u4567', '\u89AB');
assertEquals(r, '\u0123', "failing compareAndExchange char");
char x = (char) vh.get(array, i);
assertEquals(x, '\u0123', "failing compareAndExchange char value");
}
{
char r = (char) vh.compareAndExchangeAcquire(array, i, '\u0123', '\u4567');
assertEquals(r, '\u0123', "success compareAndExchangeAcquire char");
char x = (char) vh.get(array, i);
assertEquals(x, '\u4567', "success compareAndExchangeAcquire char value");
}
{
char r = (char) vh.compareAndExchangeAcquire(array, i, '\u0123', '\u89AB');
assertEquals(r, '\u4567', "failing compareAndExchangeAcquire char");
char x = (char) vh.get(array, i);
assertEquals(x, '\u4567', "failing compareAndExchangeAcquire char value");
}
{
char r = (char) vh.compareAndExchangeRelease(array, i, '\u4567', '\u0123');
assertEquals(r, '\u4567', "success compareAndExchangeRelease char");
char x = (char) vh.get(array, i);
assertEquals(x, '\u0123', "success compareAndExchangeRelease char value");
}
{
char r = (char) vh.compareAndExchangeRelease(array, i, '\u4567', '\u89AB');
assertEquals(r, '\u0123', "failing compareAndExchangeRelease char");
char x = (char) vh.get(array, i);
assertEquals(x, '\u0123', "failing compareAndExchangeRelease char value");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetPlain(array, i, '\u0123', '\u4567');
}
assertEquals(success, true, "weakCompareAndSetPlain char");
char x = (char) vh.get(array, i);
assertEquals(x, '\u4567', "weakCompareAndSetPlain char value");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetAcquire(array, i, '\u4567', '\u0123');
}
assertEquals(success, true, "weakCompareAndSetAcquire char");
char x = (char) vh.get(array, i);
assertEquals(x, '\u0123', "weakCompareAndSetAcquire char");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSetRelease(array, i, '\u0123', '\u4567');
}
assertEquals(success, true, "weakCompareAndSetRelease char");
char x = (char) vh.get(array, i);
assertEquals(x, '\u4567', "weakCompareAndSetRelease char");
}
{
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = vh.weakCompareAndSet(array, i, '\u4567', '\u0123');
}
assertEquals(success, true, "weakCompareAndSet char");
char x = (char) vh.get(array, i);
assertEquals(x, '\u0123', "weakCompareAndSet char");
}
// Compare set and get
{
vh.set(array, i, '\u0123');
char o = (char) vh.getAndSet(array, i, '\u4567');
assertEquals(o, '\u0123', "getAndSet char");
char x = (char) vh.get(array, i);
assertEquals(x, '\u4567', "getAndSet char value");
}
{
vh.set(array, i, '\u0123');
char o = (char) vh.getAndSetAcquire(array, i, '\u4567');
assertEquals(o, '\u0123', "getAndSetAcquire char");
char x = (char) vh.get(array, i);
assertEquals(x, '\u4567', "getAndSetAcquire char value");
}
{
vh.set(array, i, '\u0123');
char o = (char) vh.getAndSetRelease(array, i, '\u4567');
assertEquals(o, '\u0123', "getAndSetRelease char");
char x = (char) vh.get(array, i);
assertEquals(x, '\u4567', "getAndSetRelease char value");
}
// get and add, add and get
{
vh.set(array, i, '\u0123');
char o = (char) vh.getAndAdd(array, i, '\u4567');
assertEquals(o, '\u0123', "getAndAdd char");
char x = (char) vh.get(array, i);
assertEquals(x, (char)('\u0123' + '\u4567'), "getAndAdd char value");
}
{
vh.set(array, i, '\u0123');
char o = (char) vh.getAndAddAcquire(array, i, '\u4567');
assertEquals(o, '\u0123', "getAndAddAcquire char");
char x = (char) vh.get(array, i);
assertEquals(x, (char)('\u0123' + '\u4567'), "getAndAddAcquire char value");
}
{
vh.set(array, i, '\u0123');
char o = (char) vh.getAndAddRelease(array, i, '\u4567');
assertEquals(o, '\u0123', "getAndAddReleasechar");
char x = (char) vh.get(array, i);
assertEquals(x, (char)('\u0123' + '\u4567'), "getAndAddRelease char value");
}
// get and bitwise or
{
vh.set(array, i, '\u0123');
char o = (char) vh.getAndBitwiseOr(array, i, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseOr char");
char x = (char) vh.get(array, i);
assertEquals(x, (char)('\u0123' | '\u4567'), "getAndBitwiseOr char value");
}
{
vh.set(array, i, '\u0123');
char o = (char) vh.getAndBitwiseOrAcquire(array, i, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseOrAcquire char");
char x = (char) vh.get(array, i);
assertEquals(x, (char)('\u0123' | '\u4567'), "getAndBitwiseOrAcquire char value");
}
{
vh.set(array, i, '\u0123');
char o = (char) vh.getAndBitwiseOrRelease(array, i, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseOrRelease char");
char x = (char) vh.get(array, i);
assertEquals(x, (char)('\u0123' | '\u4567'), "getAndBitwiseOrRelease char value");
}
// get and bitwise and
{
vh.set(array, i, '\u0123');
char o = (char) vh.getAndBitwiseAnd(array, i, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseAnd char");
char x = (char) vh.get(array, i);
assertEquals(x, (char)('\u0123' & '\u4567'), "getAndBitwiseAnd char value");
}
{
vh.set(array, i, '\u0123');
char o = (char) vh.getAndBitwiseAndAcquire(array, i, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseAndAcquire char");
char x = (char) vh.get(array, i);
assertEquals(x, (char)('\u0123' & '\u4567'), "getAndBitwiseAndAcquire char value");
}
{
vh.set(array, i, '\u0123');
char o = (char) vh.getAndBitwiseAndRelease(array, i, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseAndRelease char");
char x = (char) vh.get(array, i);
assertEquals(x, (char)('\u0123' & '\u4567'), "getAndBitwiseAndRelease char value");
}
// get and bitwise xor
{
vh.set(array, i, '\u0123');
char o = (char) vh.getAndBitwiseXor(array, i, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseXor char");
char x = (char) vh.get(array, i);
assertEquals(x, (char)('\u0123' ^ '\u4567'), "getAndBitwiseXor char value");
}
{
vh.set(array, i, '\u0123');
char o = (char) vh.getAndBitwiseXorAcquire(array, i, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseXorAcquire char");
char x = (char) vh.get(array, i);
assertEquals(x, (char)('\u0123' ^ '\u4567'), "getAndBitwiseXorAcquire char value");
}
{
vh.set(array, i, '\u0123');
char o = (char) vh.getAndBitwiseXorRelease(array, i, '\u4567');
assertEquals(o, '\u0123', "getAndBitwiseXorRelease char");
char x = (char) vh.get(array, i);
assertEquals(x, (char)('\u0123' ^ '\u4567'), "getAndBitwiseXorRelease char value");
}
}
}
static void testArrayUnsupported(VarHandle vh) {
char[] array = new char[10];
int i = 0;
}
static void testArrayIndexOutOfBounds(VarHandle vh) throws Throwable {
char[] array = new char[10];
for (int i : new int[]{-1, Integer.MIN_VALUE, 10, 11, Integer.MAX_VALUE}) {
final int ci = i;
checkIOOBE(() -> {
char x = (char) vh.get(array, ci);
});
checkIOOBE(() -> {
vh.set(array, ci, '\u0123');
});
checkIOOBE(() -> {
char x = (char) vh.getVolatile(array, ci);
});
checkIOOBE(() -> {
vh.setVolatile(array, ci, '\u0123');
});
checkIOOBE(() -> {
char x = (char) vh.getAcquire(array, ci);
});
checkIOOBE(() -> {
vh.setRelease(array, ci, '\u0123');
});
checkIOOBE(() -> {
char x = (char) vh.getOpaque(array, ci);
});
checkIOOBE(() -> {
vh.setOpaque(array, ci, '\u0123');
});
checkIOOBE(() -> {
boolean r = vh.compareAndSet(array, ci, '\u0123', '\u4567');
});
checkIOOBE(() -> {
char r = (char) vh.compareAndExchange(array, ci, '\u4567', '\u0123');
});
checkIOOBE(() -> {
char r = (char) vh.compareAndExchangeAcquire(array, ci, '\u4567', '\u0123');
});
checkIOOBE(() -> {
char r = (char) vh.compareAndExchangeRelease(array, ci, '\u4567', '\u0123');
});
checkIOOBE(() -> {
boolean r = vh.weakCompareAndSetPlain(array, ci, '\u0123', '\u4567');
});
checkIOOBE(() -> {
boolean r = vh.weakCompareAndSet(array, ci, '\u0123', '\u4567');
});
checkIOOBE(() -> {
boolean r = vh.weakCompareAndSetAcquire(array, ci, '\u0123', '\u4567');
});
checkIOOBE(() -> {
boolean r = vh.weakCompareAndSetRelease(array, ci, '\u0123', '\u4567');
});
checkIOOBE(() -> {
char o = (char) vh.getAndSet(array, ci, '\u0123');
});
checkIOOBE(() -> {
char o = (char) vh.getAndSetAcquire(array, ci, '\u0123');
});
checkIOOBE(() -> {
char o = (char) vh.getAndSetRelease(array, ci, '\u0123');
});
checkIOOBE(() -> {
char o = (char) vh.getAndAdd(array, ci, '\u0123');
});
checkIOOBE(() -> {
char o = (char) vh.getAndAddAcquire(array, ci, '\u0123');
});
checkIOOBE(() -> {
char o = (char) vh.getAndAddRelease(array, ci, '\u0123');
});
checkIOOBE(() -> {
char o = (char) vh.getAndBitwiseOr(array, ci, '\u0123');
});
checkIOOBE(() -> {
char o = (char) vh.getAndBitwiseOrAcquire(array, ci, '\u0123');
});
checkIOOBE(() -> {
char o = (char) vh.getAndBitwiseOrRelease(array, ci, '\u0123');
});
checkIOOBE(() -> {
char o = (char) vh.getAndBitwiseAnd(array, ci, '\u0123');
});
checkIOOBE(() -> {
char o = (char) vh.getAndBitwiseAndAcquire(array, ci, '\u0123');
});
checkIOOBE(() -> {
char o = (char) vh.getAndBitwiseAndRelease(array, ci, '\u0123');
});
checkIOOBE(() -> {
char o = (char) vh.getAndBitwiseXor(array, ci, '\u0123');
});
checkIOOBE(() -> {
char o = (char) vh.getAndBitwiseXorAcquire(array, ci, '\u0123');
});
checkIOOBE(() -> {
char o = (char) vh.getAndBitwiseXorRelease(array, ci, '\u0123');
});
}
}
}