Java Code Examples for java.lang.invoke.MethodHandle#invokeExact()
The following examples show how to use
java.lang.invoke.MethodHandle#invokeExact() .
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Example 1
| Source File: BrowserJSObjectLinker.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
|
@SuppressWarnings("unused")
private static Object get(final MethodHandle fallback, final Object jsobj, final Object key) throws Throwable {
if (key instanceof Integer) {
return JSOBJECT_GETSLOT.invokeExact(jsobj, (int)key);
} else if (key instanceof Number) {
final int index = getIndex((Number)key);
if (index > -1) {
return JSOBJECT_GETSLOT.invokeExact(jsobj, index);
}
} else if (isString(key)) {
final String name = key.toString();
if (name.indexOf('(') != -1) {
return fallback.invokeExact(jsobj, (Object) name);
}
return JSOBJECT_GETMEMBER.invokeExact(jsobj, name);
}
return null;
}
Example 2
| Source File: ValueConversionsTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
|
@Test
public void testBox() throws Throwable {
for (Wrapper w : Wrapper.values()) {
if (w == Wrapper.VOID) continue; // skip this; no unboxed form
if (w == Wrapper.OBJECT) continue; // skip this; already unboxed
for (int n = -5; n < 10; n++) {
Object box = w.wrap(n);
MethodHandle boxer = ValueConversions.boxExact(w);
Object expResult = box;
Object result = null;
switch (w) {
case INT: result = (Integer) boxer.invokeExact(/*int*/n); break;
case LONG: result = (Long) boxer.invokeExact((long)n); break;
case FLOAT: result = (Float) boxer.invokeExact((float)n); break;
case DOUBLE: result = (Double) boxer.invokeExact((double)n); break;
case CHAR: result = (Character) boxer.invokeExact((char)n); break;
case BYTE: result = (Byte) boxer.invokeExact((byte)n); break;
case SHORT: result = (Short) boxer.invokeExact((short)n); break;
case BOOLEAN: result = (Boolean) boxer.invokeExact((n & 1) != 0); break;
}
assertEquals("(dst,src,n,box)="+Arrays.asList(w,w,n,box),
expResult, result);
}
}
}
Example 3
| Source File: VMAnonymousClass.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
|
private static void test(String pkg) throws Throwable {
byte[] bytes = dumpClass(pkg);
// Define VM anonymous class in privileged context (on BCP).
Class anonClass = unsafe.defineAnonymousClass(Object.class, bytes, null);
MethodType t = MethodType.methodType(Object.class, int.class);
MethodHandle target = MethodHandles.lookup().findStatic(anonClass, "get", t);
// Wrap target into LF (convert) to get "target" referenced from LF
MethodHandle wrappedMH = target.asType(MethodType.methodType(Object.class, Integer.class));
// Invoke enough times to provoke LF compilation to bytecode.
for (int i = 0; i<100; i++) {
Object r = wrappedMH.invokeExact((Integer)1);
}
}
Example 4
| Source File: JSObjectLinker.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
|
@SuppressWarnings("unused")
private static Object get(final MethodHandle fallback, final Object jsobj, final Object key)
throws Throwable {
if (key instanceof Integer) {
return ((JSObject)jsobj).getSlot((Integer)key);
} else if (key instanceof Number) {
final int index = getIndex((Number)key);
if (index > -1) {
return ((JSObject)jsobj).getSlot(index);
} else {
return ((JSObject)jsobj).getMember(JSType.toString(key));
}
} else if (isString(key)) {
final String name = key.toString();
// get with method name and signature. delegate it to beans linker!
if (name.indexOf('(') != -1) {
return fallback.invokeExact(jsobj, (Object) name);
}
return ((JSObject)jsobj).getMember(name);
}
return null;
}
Example 5
| Source File: VMAnonymousClass.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
|
private static void test(String pkg) throws Throwable {
byte[] bytes = dumpClass(pkg);
// Define VM anonymous class in privileged context (on BCP).
Class anonClass = unsafe.defineAnonymousClass(Object.class, bytes, null);
MethodType t = MethodType.methodType(Object.class, int.class);
MethodHandle target = MethodHandles.lookup().findStatic(anonClass, "get", t);
// Wrap target into LF (convert) to get "target" referenced from LF
MethodHandle wrappedMH = target.asType(MethodType.methodType(Object.class, Integer.class));
// Invoke enough times to provoke LF compilation to bytecode.
for (int i = 0; i<100; i++) {
Object r = wrappedMH.invokeExact((Integer)1);
}
}
Example 6
| Source File: ValueConversionsTest.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
|
@Test
public void testBox() throws Throwable {
for (Wrapper w : Wrapper.values()) {
if (w == Wrapper.VOID) continue; // skip this; no unboxed form
if (w == Wrapper.OBJECT) continue; // skip this; already unboxed
for (int n = -5; n < 10; n++) {
Object box = w.wrap(n);
MethodHandle boxer = ValueConversions.boxExact(w);
Object expResult = box;
Object result = null;
switch (w) {
case INT: result = (Integer) boxer.invokeExact(/*int*/n); break;
case LONG: result = (Long) boxer.invokeExact((long)n); break;
case FLOAT: result = (Float) boxer.invokeExact((float)n); break;
case DOUBLE: result = (Double) boxer.invokeExact((double)n); break;
case CHAR: result = (Character) boxer.invokeExact((char)n); break;
case BYTE: result = (Byte) boxer.invokeExact((byte)n); break;
case SHORT: result = (Short) boxer.invokeExact((short)n); break;
case BOOLEAN: result = (Boolean) boxer.invokeExact((n & 1) != 0); break;
}
assertEquals("(dst,src,n,box)="+Arrays.asList(w,w,n,box),
expResult, result);
}
}
}
Example 7
| Source File: VMAnonymousClass.java From jdk8u_jdk with GNU General Public License v2.0 | 6 votes |
|
private static void test(String pkg) throws Throwable {
byte[] bytes = dumpClass(pkg);
// Define VM anonymous class in privileged context (on BCP).
Class anonClass = unsafe.defineAnonymousClass(Object.class, bytes, null);
MethodType t = MethodType.methodType(Object.class, int.class);
MethodHandle target = MethodHandles.lookup().findStatic(anonClass, "get", t);
// Wrap target into LF (convert) to get "target" referenced from LF
MethodHandle wrappedMH = target.asType(MethodType.methodType(Object.class, Integer.class));
// Invoke enough times to provoke LF compilation to bytecode.
for (int i = 0; i<100; i++) {
Object r = wrappedMH.invokeExact((Integer)1);
}
}
Example 8
| Source File: ValueConversionsTest.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
|
@Test
public void testBox() throws Throwable {
for (Wrapper w : Wrapper.values()) {
if (w == Wrapper.VOID) continue; // skip this; no unboxed form
if (w == Wrapper.OBJECT) continue; // skip this; already unboxed
for (int n = -5; n < 10; n++) {
Object box = w.wrap(n);
MethodHandle boxer = ValueConversions.boxExact(w);
Object expResult = box;
Object result = null;
switch (w) {
case INT: result = (Integer) boxer.invokeExact(/*int*/n); break;
case LONG: result = (Long) boxer.invokeExact((long)n); break;
case FLOAT: result = (Float) boxer.invokeExact((float)n); break;
case DOUBLE: result = (Double) boxer.invokeExact((double)n); break;
case CHAR: result = (Character) boxer.invokeExact((char)n); break;
case BYTE: result = (Byte) boxer.invokeExact((byte)n); break;
case SHORT: result = (Short) boxer.invokeExact((short)n); break;
case BOOLEAN: result = (Boolean) boxer.invokeExact((n & 1) != 0); break;
}
assertEquals("(dst,src,n,box)="+Arrays.asList(w,w,n,box),
expResult, result);
}
}
}
Example 9
| Source File: ValueConversionsTest.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
|
@Test
public void testCast() throws Throwable {
Class<?>[] types = { Object.class, Serializable.class, String.class, Number.class, Integer.class };
Object[] objects = { new Object(), Boolean.FALSE, "hello", (Long)12L, (Integer)6 };
for (Class<?> dst : types) {
MethodHandle caster = ValueConversions.cast().bindTo(dst);
assertEquals(caster.type(), MethodHandles.identity(Object.class).type());
for (Object obj : objects) {
Class<?> src = obj.getClass();
boolean canCast = dst.isAssignableFrom(src);
try {
Object result = caster.invokeExact(obj);
if (canCast)
assertEquals(obj, result);
else
assertEquals("cast should not have succeeded", dst, obj);
} catch (ClassCastException ex) {
if (canCast)
throw ex;
}
}
}
}
Example 10
| Source File: ValueConversionsTest.java From dragonwell8_jdk with GNU General Public License v2.0 | 6 votes |
|
@Test
public void testBox() throws Throwable {
for (Wrapper w : Wrapper.values()) {
if (w == Wrapper.VOID) continue; // skip this; no unboxed form
if (w == Wrapper.OBJECT) continue; // skip this; already unboxed
for (int n = -5; n < 10; n++) {
Object box = w.wrap(n);
MethodHandle boxer = ValueConversions.boxExact(w);
Object expResult = box;
Object result = null;
switch (w) {
case INT: result = (Integer) boxer.invokeExact(/*int*/n); break;
case LONG: result = (Long) boxer.invokeExact((long)n); break;
case FLOAT: result = (Float) boxer.invokeExact((float)n); break;
case DOUBLE: result = (Double) boxer.invokeExact((double)n); break;
case CHAR: result = (Character) boxer.invokeExact((char)n); break;
case BYTE: result = (Byte) boxer.invokeExact((byte)n); break;
case SHORT: result = (Short) boxer.invokeExact((short)n); break;
case BOOLEAN: result = (Boolean) boxer.invokeExact((n & 1) != 0); break;
}
assertEquals("(dst,src,n,box)="+Arrays.asList(w,w,n,box),
expResult, result);
}
}
}
Example 11
| Source File: ReflectionBenchmarkSameAccessTest.java From AVM with MIT License | 6 votes |
|
private long sameInstanceMethodHandleInstanceFieldWriteAccessInvokeExactOnly(int spins) throws Throwable {
MethodHandle constructor = MethodHandles.lookup().findConstructor(
ReflectionTarget.class,
MethodType.methodType(void.class));
ReflectionTarget target = (ReflectionTarget) constructor.invoke();
MethodHandle field = MethodHandles.lookup().findSetter(
ReflectionTarget.class,
instanceField,
Object.class);
Object object = new Object();
long start = System.nanoTime();
for (int i = 0; i < spins; i++) {
field.invokeExact(target, object);
}
long end = System.nanoTime();
return end - start;
}
Example 12
| Source File: VMAnonymousClass.java From hottub with GNU General Public License v2.0 | 6 votes |
|
private static void test(String pkg) throws Throwable {
byte[] bytes = dumpClass(pkg);
// Define VM anonymous class in privileged context (on BCP).
Class anonClass = unsafe.defineAnonymousClass(Object.class, bytes, null);
MethodType t = MethodType.methodType(Object.class, int.class);
MethodHandle target = MethodHandles.lookup().findStatic(anonClass, "get", t);
// Wrap target into LF (convert) to get "target" referenced from LF
MethodHandle wrappedMH = target.asType(MethodType.methodType(Object.class, Integer.class));
// Invoke enough times to provoke LF compilation to bytecode.
for (int i = 0; i<100; i++) {
Object r = wrappedMH.invokeExact((Integer)1);
}
}
Example 13
| Source File: ArrayDistinctFromOperator.java From presto with Apache License 2.0 | 5 votes |
|
@TypeParameter("E")
@SqlType(StandardTypes.BOOLEAN)
public static boolean isDistinctFrom(
@OperatorDependency(
operator = IS_DISTINCT_FROM,
argumentTypes = {"E", "E"},
convention = @Convention(arguments = {BLOCK_POSITION, BLOCK_POSITION}, result = FAIL_ON_NULL)) MethodHandle function,
@SqlType("array(E)") Block left,
@IsNull boolean leftNull,
@SqlType("array(E)") Block right,
@IsNull boolean rightNull)
{
if (leftNull != rightNull) {
return true;
}
if (leftNull) {
return false;
}
if (left.getPositionCount() != right.getPositionCount()) {
return true;
}
for (int i = 0; i < left.getPositionCount(); i++) {
try {
if ((boolean) function.invokeExact(
left,
i,
right,
i)) {
return true;
}
}
catch (Throwable t) {
throw internalError(t);
}
}
return false;
}
Example 14
| Source File: ScriptObject.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
@SuppressWarnings("unused")
private static boolean knownFunctionPropertyGuardSelf(final Object self, final PropertyMap map, final MethodHandle getter, final ScriptFunction func) {
if (self instanceof ScriptObject && ((ScriptObject)self).getMap() == map) {
try {
return getter.invokeExact(self) == func;
} catch (final RuntimeException | Error e) {
throw e;
} catch (final Throwable t) {
throw new RuntimeException(t);
}
}
return false;
}
Example 15
| Source File: VMAnonymousClass.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
private static void test(String pkg) throws Throwable {
byte[] bytes = dumpClass(pkg);
Class host_class;
if (pkg.equals("java/prohibited")) {
VMAnonymousClass sampleclass = new VMAnonymousClass();
host_class = (Class)sampleclass.getClass();
} else if (pkg.equals("java/lang")) {
host_class = Object.class;
} else if (pkg.equals("java/util")) {
host_class = java.util.ArrayList.class;
} else if (pkg.equals("jdk/internal/misc")) {
host_class = jdk.internal.misc.Signal.class;
} else if (pkg.equals("java/lang/invoke")) {
host_class = java.lang.invoke.CallSite.class;
} else {
throw new RuntimeException("Unexpected pkg: " + pkg);
}
// Define VM anonymous class
Class anonClass = unsafe.defineAnonymousClass(host_class, bytes, null);
MethodType t = MethodType.methodType(Object.class, int.class);
MethodHandle target = MethodHandles.lookup().findStatic(anonClass, "get", t);
// Wrap target into LF (convert) to get "target" referenced from LF
MethodHandle wrappedMH = target.asType(MethodType.methodType(Object.class, Integer.class));
// Invoke enough times to provoke LF compilation to bytecode.
for (int i = 0; i<100; i++) {
Object r = wrappedMH.invokeExact((Integer)1);
}
}
Example 16
| Source File: NativeRegExp.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
private String callReplaceValue(final MethodHandle invoker, final Object function, final Object self, final RegExpMatcher matcher, final String string) throws Throwable {
final Object[] groups = groups(matcher);
final Object[] args = Arrays.copyOf(groups, groups.length + 2);
args[groups.length] = matcher.start();
args[groups.length + 1] = string;
return (String)invoker.invokeExact(function, self, args);
}
Example 17
| Source File: BigArityTest.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
@Test
public void testSpreads() throws Throwable {
System.out.println("testing asSpreader on arity=3");
Object[] args = testArgs(3);
int r0 = Objects.hash(args);
MethodHandle mh = MH_hashArguments(3);
Object r;
r = mh.invokeExact(args[0], args[1], args[2]);
assertEquals(r0, r);
r = mh.invoke(args[0], args[1], args[2]);
assertEquals(r0, r);
r = mh.invoke((Comparable) args[0], (Integer) args[1], (Number) args[2]);
assertEquals(r0, r);
r = mh.invokeWithArguments(args);
assertEquals(r0, r);
for (Class<?> cls0 : new Class<?>[] {
Object[].class, Number[].class, Integer[].class, Comparable[].class
}) {
@SuppressWarnings("unchecked")
Class<? extends Object[]> cls = (Class<? extends Object[]>) cls0;
//Class<? extends Object[]> cls = Object[].class.asSubclass(cls0);
int nargs = args.length, skip;
MethodHandle smh = mh.asSpreader(cls, nargs - (skip = 0));
Object[] tail = Arrays.copyOfRange(args, skip, nargs, cls);
if (cls == Object[].class)
r = smh.invokeExact(tail);
else if (cls == Integer[].class)
r = smh.invokeExact((Integer[]) tail); //warning OK, see 8019340
else
r = smh.invoke(tail);
assertEquals(r0, r);
smh = mh.asSpreader(cls, nargs - (skip = 1));
tail = Arrays.copyOfRange(args, skip, nargs, cls);
if (cls == Object[].class)
r = smh.invokeExact(args[0], tail);
else if (cls == Integer[].class)
r = smh.invokeExact(args[0], (Integer[]) tail);
else
r = smh.invoke(args[0], tail);
assertEquals(r0, r);
smh = mh.asSpreader(cls, nargs - (skip = 2));
tail = Arrays.copyOfRange(args, skip, nargs, cls);
if (cls == Object[].class)
r = smh.invokeExact(args[0], args[1], tail);
else if (cls == Integer[].class)
r = smh.invokeExact(args[0], args[1], (Integer[]) tail);
else
r = smh.invoke(args[0], args[1], tail);
assertEquals(r0, r);
smh = mh.asSpreader(cls, nargs - (skip = 3));
tail = Arrays.copyOfRange(args, skip, nargs, cls);
if (cls == Object[].class)
r = smh.invokeExact(args[0], args[1], args[2], tail);
else if (cls == Integer[].class)
r = smh.invokeExact(args[0], args[1], args[2], (Integer[]) tail);
else
r = smh.invoke(args[0], args[1], args[2], tail);
assertEquals(r0, r);
// Try null array in addition to zero-length array:
tail = null;
if (cls == Object[].class)
r = smh.invokeExact(args[0], args[1], args[2], tail);
else if (cls == Integer[].class)
r = smh.invokeExact(args[0], args[1], args[2], (Integer[]) tail);
else
r = smh.invoke(args[0], args[1], args[2], tail);
assertEquals(r0, r);
}
}
Example 18
| Source File: ScriptFunctionData.java From hottub with GNU General Public License v2.0 | 4 votes |
|
Object construct(final ScriptFunction fn, final Object... arguments) throws Throwable {
final MethodHandle mh = getGenericConstructor(fn.getScope());
final Object[] args = arguments == null ? ScriptRuntime.EMPTY_ARRAY : arguments;
DebuggerSupport.notifyInvoke(mh);
if (isVarArg(mh)) {
if (needsCallee(mh)) {
return mh.invokeExact(fn, args);
}
return mh.invokeExact(args);
}
final int paramCount = mh.type().parameterCount();
if (needsCallee(mh)) {
switch (paramCount) {
case 1:
return mh.invokeExact(fn);
case 2:
return mh.invokeExact(fn, getArg(args, 0));
case 3:
return mh.invokeExact(fn, getArg(args, 0), getArg(args, 1));
case 4:
return mh.invokeExact(fn, getArg(args, 0), getArg(args, 1), getArg(args, 2));
case 5:
return mh.invokeExact(fn, getArg(args, 0), getArg(args, 1), getArg(args, 2), getArg(args, 3));
case 6:
return mh.invokeExact(fn, getArg(args, 0), getArg(args, 1), getArg(args, 2), getArg(args, 3), getArg(args, 4));
case 7:
return mh.invokeExact(fn, getArg(args, 0), getArg(args, 1), getArg(args, 2), getArg(args, 3), getArg(args, 4), getArg(args, 5));
default:
return mh.invokeWithArguments(withArguments(fn, paramCount, args));
}
}
switch (paramCount) {
case 0:
return mh.invokeExact();
case 1:
return mh.invokeExact(getArg(args, 0));
case 2:
return mh.invokeExact(getArg(args, 0), getArg(args, 1));
case 3:
return mh.invokeExact(getArg(args, 0), getArg(args, 1), getArg(args, 2));
case 4:
return mh.invokeExact(getArg(args, 0), getArg(args, 1), getArg(args, 2), getArg(args, 3));
case 5:
return mh.invokeExact(getArg(args, 0), getArg(args, 1), getArg(args, 2), getArg(args, 3), getArg(args, 4));
case 6:
return mh.invokeExact(getArg(args, 0), getArg(args, 1), getArg(args, 2), getArg(args, 3), getArg(args, 4), getArg(args, 5));
default:
return mh.invokeWithArguments(withArguments(null, paramCount, args));
}
}
Example 19
| Source File: ScriptFunctionData.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
Object construct(final ScriptFunction fn, final Object... arguments) throws Throwable {
final MethodHandle mh = getGenericConstructor(fn.getScope());
final Object[] args = arguments == null ? ScriptRuntime.EMPTY_ARRAY : arguments;
DebuggerSupport.notifyInvoke(mh);
if (isVarArg(mh)) {
if (needsCallee(mh)) {
return mh.invokeExact(fn, args);
}
return mh.invokeExact(args);
}
final int paramCount = mh.type().parameterCount();
if (needsCallee(mh)) {
switch (paramCount) {
case 1:
return mh.invokeExact(fn);
case 2:
return mh.invokeExact(fn, getArg(args, 0));
case 3:
return mh.invokeExact(fn, getArg(args, 0), getArg(args, 1));
case 4:
return mh.invokeExact(fn, getArg(args, 0), getArg(args, 1), getArg(args, 2));
case 5:
return mh.invokeExact(fn, getArg(args, 0), getArg(args, 1), getArg(args, 2), getArg(args, 3));
case 6:
return mh.invokeExact(fn, getArg(args, 0), getArg(args, 1), getArg(args, 2), getArg(args, 3), getArg(args, 4));
case 7:
return mh.invokeExact(fn, getArg(args, 0), getArg(args, 1), getArg(args, 2), getArg(args, 3), getArg(args, 4), getArg(args, 5));
default:
return mh.invokeWithArguments(withArguments(fn, paramCount, args));
}
}
switch (paramCount) {
case 0:
return mh.invokeExact();
case 1:
return mh.invokeExact(getArg(args, 0));
case 2:
return mh.invokeExact(getArg(args, 0), getArg(args, 1));
case 3:
return mh.invokeExact(getArg(args, 0), getArg(args, 1), getArg(args, 2));
case 4:
return mh.invokeExact(getArg(args, 0), getArg(args, 1), getArg(args, 2), getArg(args, 3));
case 5:
return mh.invokeExact(getArg(args, 0), getArg(args, 1), getArg(args, 2), getArg(args, 3), getArg(args, 4));
case 6:
return mh.invokeExact(getArg(args, 0), getArg(args, 1), getArg(args, 2), getArg(args, 3), getArg(args, 4), getArg(args, 5));
default:
return mh.invokeWithArguments(withArguments(null, paramCount, args));
}
}
Example 20
| Source File: BigArityTest.java From hottub with GNU General Public License v2.0 | 4 votes |
|
@Test
public void testSpreads() throws Throwable {
System.out.println("testing asSpreader on arity=3");
Object[] args = testArgs(3);
int r0 = Objects.hash(args);
MethodHandle mh = MH_hashArguments(3);
Object r;
r = mh.invokeExact(args[0], args[1], args[2]);
assertEquals(r0, r);
r = mh.invoke(args[0], args[1], args[2]);
assertEquals(r0, r);
r = mh.invoke((Comparable) args[0], (Integer) args[1], (Number) args[2]);
assertEquals(r0, r);
r = mh.invokeWithArguments(args);
assertEquals(r0, r);
for (Class<?> cls0 : new Class<?>[] {
Object[].class, Number[].class, Integer[].class, Comparable[].class
}) {
@SuppressWarnings("unchecked")
Class<? extends Object[]> cls = (Class<? extends Object[]>) cls0;
//Class<? extends Object[]> cls = Object[].class.asSubclass(cls0);
int nargs = args.length, skip;
MethodHandle smh = mh.asSpreader(cls, nargs - (skip = 0));
Object[] tail = Arrays.copyOfRange(args, skip, nargs, cls);
if (cls == Object[].class)
r = smh.invokeExact(tail);
else if (cls == Integer[].class)
r = smh.invokeExact((Integer[]) tail); //warning OK, see 8019340
else
r = smh.invoke(tail);
assertEquals(r0, r);
smh = mh.asSpreader(cls, nargs - (skip = 1));
tail = Arrays.copyOfRange(args, skip, nargs, cls);
if (cls == Object[].class)
r = smh.invokeExact(args[0], tail);
else if (cls == Integer[].class)
r = smh.invokeExact(args[0], (Integer[]) tail);
else
r = smh.invoke(args[0], tail);
assertEquals(r0, r);
smh = mh.asSpreader(cls, nargs - (skip = 2));
tail = Arrays.copyOfRange(args, skip, nargs, cls);
if (cls == Object[].class)
r = smh.invokeExact(args[0], args[1], tail);
else if (cls == Integer[].class)
r = smh.invokeExact(args[0], args[1], (Integer[]) tail);
else
r = smh.invoke(args[0], args[1], tail);
assertEquals(r0, r);
smh = mh.asSpreader(cls, nargs - (skip = 3));
tail = Arrays.copyOfRange(args, skip, nargs, cls);
if (cls == Object[].class)
r = smh.invokeExact(args[0], args[1], args[2], tail);
else if (cls == Integer[].class)
r = smh.invokeExact(args[0], args[1], args[2], (Integer[]) tail);
else
r = smh.invoke(args[0], args[1], args[2], tail);
assertEquals(r0, r);
// Try null array in addition to zero-length array:
tail = null;
if (cls == Object[].class)
r = smh.invokeExact(args[0], args[1], args[2], tail);
else if (cls == Integer[].class)
r = smh.invokeExact(args[0], args[1], args[2], (Integer[]) tail);
else
r = smh.invoke(args[0], args[1], args[2], tail);
assertEquals(r0, r);
}
}
