Java Code Examples for java.lang.invoke.MethodHandles.Lookup#lookupModes()
The following examples show how to use
java.lang.invoke.MethodHandles.Lookup#lookupModes() .
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Example 1
| Source File: AbstractCallSiteDescriptor.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
private static boolean lookupsEqual(Lookup l1, Lookup l2) {
if(l1 == l2) {
return true;
}
if(l1.lookupClass() != l2.lookupClass()) {
return false;
}
return l1.lookupModes() == l2.lookupModes();
}
Example 2
| Source File: AbstractCallSiteDescriptor.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
private static boolean lookupsEqual(Lookup l1, Lookup l2) {
if(l1 == l2) {
return true;
}
if(l1.lookupClass() != l2.lookupClass()) {
return false;
}
return l1.lookupModes() == l2.lookupModes();
}
Example 3
| Source File: MethodHandlesTest.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
void testUnreflectMaybeSpecial(Class<?> specialCaller,
boolean positive, Lookup lookup,
Class<?> defc, Class<?> rcvc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = (specialCaller != null ? maybeMoveIn(lookup, specialCaller) : null);
boolean specialAccessOK = (specialCaller != null &&
specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
Method rmethod = defc.getDeclaredMethod(methodName, params);
MethodHandle target = null;
Exception noAccess = null;
boolean isStatic = (rcvc == null);
boolean isSpecial = (specialCaller != null);
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (isSpecial)
target = specialLookup.unreflectSpecial(rmethod, specialCaller);
else
target = maybeMoveIn(lookup, defc).unreflect(rmethod);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
IllegalAccessException.class, // NSME is impossible, since it was already reflected
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("unreflect"+(isSpecial?"Special":"")+" "+defc.getName()+"."+name+"/"+type
+(!isSpecial ? "" : " specialCaller="+specialCaller)
+( isStatic ? "" : " receiver="+rcvc)
+" => "+target
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(isStatic, Modifier.isStatic(rmethod.getModifiers()));
Class<?>[] paramsMaybeWithSelf = params;
if (!isStatic) {
paramsMaybeWithSelf = cat(array(Class[].class, (Class)rcvc), params);
}
MethodType typeMaybeWithSelf = MethodType.methodType(ret, paramsMaybeWithSelf);
if (isStatic) {
assertEquals(typeMaybeWithSelf, target.type());
} else {
if (isSpecial)
assertEquals(specialCaller, target.type().parameterType(0));
else
assertEquals(defc, target.type().parameterType(0));
assertEquals(typeMaybeWithSelf, target.type().changeParameterType(0, rcvc));
}
Object[] argsMaybeWithSelf = randomArgs(paramsMaybeWithSelf);
printCalled(target, name, argsMaybeWithSelf);
target.invokeWithArguments(argsMaybeWithSelf);
assertCalled(name, argsMaybeWithSelf);
if (verbosity >= 1)
System.out.print(':');
}
Example 4
| Source File: MethodHandlesTest.java From dragonwell8_jdk with GNU General Public License v2.0 | 4 votes |
|
void testFindSpecial(boolean positive, Lookup lookup, Class<?> specialCaller,
Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = maybeMoveIn(lookup, specialCaller);
boolean specialAccessOK = (specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
MethodHandle target = null;
Exception noAccess = null;
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (verbosity >= 5) System.out.println(" lookup => "+specialLookup);
target = specialLookup.findSpecial(defc, methodName, type, specialCaller);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
(!specialAccessOK) // this check should happen first
? IllegalAccessException.class
: (name.contains("bogus") || INIT_REF_CAUSES_NSME && name.contains("<init>"))
? NoSuchMethodException.class
: IllegalAccessException.class,
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("findSpecial from "+specialCaller.getName()+" to "+defc.getName()+"."+name+"/"+type+" => "+target
+(target == null ? "" : target.type())
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(specialCaller, target.type().parameterType(0));
assertEquals(type, target.type().dropParameterTypes(0,1));
Class<?>[] paramsWithSelf = cat(array(Class[].class, (Class)specialCaller), params);
MethodType typeWithSelf = MethodType.methodType(ret, paramsWithSelf);
assertNameStringContains(target, methodName);
Object[] args = randomArgs(paramsWithSelf);
printCalled(target, name, args);
target.invokeWithArguments(args);
assertCalled(name, args);
}
Example 5
| Source File: MethodHandlesTest.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
void testUnreflectMaybeSpecial(Class<?> specialCaller,
boolean positive, Lookup lookup,
Class<?> defc, Class<?> rcvc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = (specialCaller != null ? maybeMoveIn(lookup, specialCaller) : null);
boolean specialAccessOK = (specialCaller != null &&
specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
Method rmethod = defc.getDeclaredMethod(methodName, params);
MethodHandle target = null;
Exception noAccess = null;
boolean isStatic = (rcvc == null);
boolean isSpecial = (specialCaller != null);
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (isSpecial)
target = specialLookup.unreflectSpecial(rmethod, specialCaller);
else
target = maybeMoveIn(lookup, defc).unreflect(rmethod);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
IllegalAccessException.class, // NSME is impossible, since it was already reflected
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("unreflect"+(isSpecial?"Special":"")+" "+defc.getName()+"."+name+"/"+type
+(!isSpecial ? "" : " specialCaller="+specialCaller)
+( isStatic ? "" : " receiver="+rcvc)
+" => "+target
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(isStatic, Modifier.isStatic(rmethod.getModifiers()));
Class<?>[] paramsMaybeWithSelf = params;
if (!isStatic) {
paramsMaybeWithSelf = cat(array(Class[].class, (Class)rcvc), params);
}
MethodType typeMaybeWithSelf = MethodType.methodType(ret, paramsMaybeWithSelf);
if (isStatic) {
assertEquals(typeMaybeWithSelf, target.type());
} else {
if (isSpecial)
assertEquals(specialCaller, target.type().parameterType(0));
else
assertEquals(defc, target.type().parameterType(0));
assertEquals(typeMaybeWithSelf, target.type().changeParameterType(0, rcvc));
}
Object[] argsMaybeWithSelf = randomArgs(paramsMaybeWithSelf);
printCalled(target, name, argsMaybeWithSelf);
target.invokeWithArguments(argsMaybeWithSelf);
assertCalled(name, argsMaybeWithSelf);
if (verbosity >= 1)
System.out.print(':');
}
Example 6
| Source File: MethodHandlesTest.java From hottub with GNU General Public License v2.0 | 4 votes |
|
void testUnreflectMaybeSpecial(Class<?> specialCaller,
boolean positive, Lookup lookup,
Class<?> defc, Class<?> rcvc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = (specialCaller != null ? maybeMoveIn(lookup, specialCaller) : null);
boolean specialAccessOK = (specialCaller != null &&
specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
Method rmethod = defc.getDeclaredMethod(methodName, params);
MethodHandle target = null;
Exception noAccess = null;
boolean isStatic = (rcvc == null);
boolean isSpecial = (specialCaller != null);
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (isSpecial)
target = specialLookup.unreflectSpecial(rmethod, specialCaller);
else
target = maybeMoveIn(lookup, defc).unreflect(rmethod);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
IllegalAccessException.class, // NSME is impossible, since it was already reflected
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("unreflect"+(isSpecial?"Special":"")+" "+defc.getName()+"."+name+"/"+type
+(!isSpecial ? "" : " specialCaller="+specialCaller)
+( isStatic ? "" : " receiver="+rcvc)
+" => "+target
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(isStatic, Modifier.isStatic(rmethod.getModifiers()));
Class<?>[] paramsMaybeWithSelf = params;
if (!isStatic) {
paramsMaybeWithSelf = cat(array(Class[].class, (Class)rcvc), params);
}
MethodType typeMaybeWithSelf = MethodType.methodType(ret, paramsMaybeWithSelf);
if (isStatic) {
assertEquals(typeMaybeWithSelf, target.type());
} else {
if (isSpecial)
assertEquals(specialCaller, target.type().parameterType(0));
else
assertEquals(defc, target.type().parameterType(0));
assertEquals(typeMaybeWithSelf, target.type().changeParameterType(0, rcvc));
}
Object[] argsMaybeWithSelf = randomArgs(paramsMaybeWithSelf);
printCalled(target, name, argsMaybeWithSelf);
target.invokeWithArguments(argsMaybeWithSelf);
assertCalled(name, argsMaybeWithSelf);
if (verbosity >= 1)
System.out.print(':');
}
Example 7
| Source File: MethodHandlesTest.java From hottub with GNU General Public License v2.0 | 4 votes |
|
void testFindSpecial(boolean positive, Lookup lookup, Class<?> specialCaller,
Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = maybeMoveIn(lookup, specialCaller);
boolean specialAccessOK = (specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
MethodHandle target = null;
Exception noAccess = null;
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (verbosity >= 5) System.out.println(" lookup => "+specialLookup);
target = specialLookup.findSpecial(defc, methodName, type, specialCaller);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
(!specialAccessOK) // this check should happen first
? IllegalAccessException.class
: (name.contains("bogus") || INIT_REF_CAUSES_NSME && name.contains("<init>"))
? NoSuchMethodException.class
: IllegalAccessException.class,
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("findSpecial from "+specialCaller.getName()+" to "+defc.getName()+"."+name+"/"+type+" => "+target
+(target == null ? "" : target.type())
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(specialCaller, target.type().parameterType(0));
assertEquals(type, target.type().dropParameterTypes(0,1));
Class<?>[] paramsWithSelf = cat(array(Class[].class, (Class)specialCaller), params);
MethodType typeWithSelf = MethodType.methodType(ret, paramsWithSelf);
assertNameStringContains(target, methodName);
Object[] args = randomArgs(paramsWithSelf);
printCalled(target, name, args);
target.invokeWithArguments(args);
assertCalled(name, args);
}
Example 8
| Source File: MethodHandlesTest.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
void testFindSpecial(boolean positive, Lookup lookup, Class<?> specialCaller,
Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = maybeMoveIn(lookup, specialCaller);
boolean specialAccessOK = (specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
MethodHandle target = null;
Exception noAccess = null;
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (verbosity >= 5) System.out.println(" lookup => "+specialLookup);
target = specialLookup.findSpecial(defc, methodName, type, specialCaller);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
(!specialAccessOK) // this check should happen first
? IllegalAccessException.class
: (name.contains("bogus") || INIT_REF_CAUSES_NSME && name.contains("<init>"))
? NoSuchMethodException.class
: IllegalAccessException.class,
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("findSpecial from "+specialCaller.getName()+" to "+defc.getName()+"."+name+"/"+type+" => "+target
+(target == null ? "" : target.type())
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(specialCaller, target.type().parameterType(0));
assertEquals(type, target.type().dropParameterTypes(0,1));
Class<?>[] paramsWithSelf = cat(array(Class[].class, (Class)specialCaller), params);
MethodType typeWithSelf = MethodType.methodType(ret, paramsWithSelf);
assertNameStringContains(target, methodName);
Object[] args = randomArgs(paramsWithSelf);
printCalled(target, name, args);
target.invokeWithArguments(args);
assertCalled(name, args);
}
Example 9
| Source File: MethodHandlesTest.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
void testUnreflectMaybeSpecial(Class<?> specialCaller,
boolean positive, Lookup lookup,
Class<?> defc, Class<?> rcvc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = (specialCaller != null ? maybeMoveIn(lookup, specialCaller) : null);
boolean specialAccessOK = (specialCaller != null &&
specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
Method rmethod = defc.getDeclaredMethod(methodName, params);
MethodHandle target = null;
Exception noAccess = null;
boolean isStatic = (rcvc == null);
boolean isSpecial = (specialCaller != null);
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (isSpecial)
target = specialLookup.unreflectSpecial(rmethod, specialCaller);
else
target = maybeMoveIn(lookup, defc).unreflect(rmethod);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
IllegalAccessException.class, // NSME is impossible, since it was already reflected
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("unreflect"+(isSpecial?"Special":"")+" "+defc.getName()+"."+name+"/"+type
+(!isSpecial ? "" : " specialCaller="+specialCaller)
+( isStatic ? "" : " receiver="+rcvc)
+" => "+target
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(isStatic, Modifier.isStatic(rmethod.getModifiers()));
Class<?>[] paramsMaybeWithSelf = params;
if (!isStatic) {
paramsMaybeWithSelf = cat(array(Class[].class, (Class)rcvc), params);
}
MethodType typeMaybeWithSelf = MethodType.methodType(ret, paramsMaybeWithSelf);
if (isStatic) {
assertEquals(typeMaybeWithSelf, target.type());
} else {
if (isSpecial)
assertEquals(specialCaller, target.type().parameterType(0));
else
assertEquals(defc, target.type().parameterType(0));
assertEquals(typeMaybeWithSelf, target.type().changeParameterType(0, rcvc));
}
Object[] argsMaybeWithSelf = randomArgs(paramsMaybeWithSelf);
printCalled(target, name, argsMaybeWithSelf);
target.invokeWithArguments(argsMaybeWithSelf);
assertCalled(name, argsMaybeWithSelf);
if (verbosity >= 1)
System.out.print(':');
}
Example 10
| Source File: MethodHandlesTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
void testUnreflectMaybeSpecial(Class<?> specialCaller,
boolean positive, Lookup lookup,
Class<?> defc, Class<?> rcvc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = (specialCaller != null ? maybeMoveIn(lookup, specialCaller) : null);
boolean specialAccessOK = (specialCaller != null &&
specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
Method rmethod = defc.getDeclaredMethod(methodName, params);
MethodHandle target = null;
Exception noAccess = null;
boolean isStatic = (rcvc == null);
boolean isSpecial = (specialCaller != null);
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (isSpecial)
target = specialLookup.unreflectSpecial(rmethod, specialCaller);
else
target = maybeMoveIn(lookup, defc).unreflect(rmethod);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
IllegalAccessException.class, // NSME is impossible, since it was already reflected
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("unreflect"+(isSpecial?"Special":"")+" "+defc.getName()+"."+name+"/"+type
+(!isSpecial ? "" : " specialCaller="+specialCaller)
+( isStatic ? "" : " receiver="+rcvc)
+" => "+target
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(isStatic, Modifier.isStatic(rmethod.getModifiers()));
Class<?>[] paramsMaybeWithSelf = params;
if (!isStatic) {
paramsMaybeWithSelf = cat(array(Class[].class, (Class)rcvc), params);
}
MethodType typeMaybeWithSelf = MethodType.methodType(ret, paramsMaybeWithSelf);
if (isStatic) {
assertEquals(typeMaybeWithSelf, target.type());
} else {
if (isSpecial)
assertEquals(specialCaller, target.type().parameterType(0));
else
assertEquals(defc, target.type().parameterType(0));
assertEquals(typeMaybeWithSelf, target.type().changeParameterType(0, rcvc));
}
Object[] argsMaybeWithSelf = randomArgs(paramsMaybeWithSelf);
printCalled(target, name, argsMaybeWithSelf);
target.invokeWithArguments(argsMaybeWithSelf);
assertCalled(name, argsMaybeWithSelf);
if (verbosity >= 1)
System.out.print(':');
}
Example 11
| Source File: MethodHandlesTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
void testFindSpecial(boolean positive, Lookup lookup, Class<?> specialCaller,
Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = maybeMoveIn(lookup, specialCaller);
boolean specialAccessOK = (specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
MethodHandle target = null;
Exception noAccess = null;
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (verbosity >= 5) System.out.println(" lookup => "+specialLookup);
target = specialLookup.findSpecial(defc, methodName, type, specialCaller);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
(!specialAccessOK) // this check should happen first
? IllegalAccessException.class
: (name.contains("bogus") || INIT_REF_CAUSES_NSME && name.contains("<init>"))
? NoSuchMethodException.class
: IllegalAccessException.class,
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("findSpecial from "+specialCaller.getName()+" to "+defc.getName()+"."+name+"/"+type+" => "+target
+(target == null ? "" : target.type())
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(specialCaller, target.type().parameterType(0));
assertEquals(type, target.type().dropParameterTypes(0,1));
Class<?>[] paramsWithSelf = cat(array(Class[].class, (Class)specialCaller), params);
MethodType typeWithSelf = MethodType.methodType(ret, paramsWithSelf);
assertNameStringContains(target, methodName);
Object[] args = randomArgs(paramsWithSelf);
printCalled(target, name, args);
target.invokeWithArguments(args);
assertCalled(name, args);
}
Example 12
| Source File: MethodHandlesTest.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
void testFindSpecial(boolean positive, Lookup lookup, Class<?> specialCaller,
Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = maybeMoveIn(lookup, specialCaller);
boolean specialAccessOK = (specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
MethodHandle target = null;
Exception noAccess = null;
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (verbosity >= 5) System.out.println(" lookup => "+specialLookup);
target = specialLookup.findSpecial(defc, methodName, type, specialCaller);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
(!specialAccessOK) // this check should happen first
? IllegalAccessException.class
: (name.contains("bogus") || INIT_REF_CAUSES_NSME && name.contains("<init>"))
? NoSuchMethodException.class
: IllegalAccessException.class,
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("findSpecial from "+specialCaller.getName()+" to "+defc.getName()+"."+name+"/"+type+" => "+target
+(target == null ? "" : target.type())
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(specialCaller, target.type().parameterType(0));
assertEquals(type, target.type().dropParameterTypes(0,1));
Class<?>[] paramsWithSelf = cat(array(Class[].class, (Class)specialCaller), params);
MethodType typeWithSelf = MethodType.methodType(ret, paramsWithSelf);
assertNameStringContains(target, methodName);
Object[] args = randomArgs(paramsWithSelf);
printCalled(target, name, args);
target.invokeWithArguments(args);
assertCalled(name, args);
}
Example 13
| Source File: MethodHandlesTest.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
void testFindSpecial(boolean positive, Lookup lookup, Class<?> specialCaller,
Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = maybeMoveIn(lookup, specialCaller);
boolean specialAccessOK = (specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
MethodHandle target = null;
Exception noAccess = null;
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (verbosity >= 5) System.out.println(" lookup => "+specialLookup);
target = specialLookup.findSpecial(defc, methodName, type, specialCaller);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
(!specialAccessOK) // this check should happen first
? IllegalAccessException.class
: (name.contains("bogus") || INIT_REF_CAUSES_NSME && name.contains("<init>"))
? NoSuchMethodException.class
: IllegalAccessException.class,
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("findSpecial from "+specialCaller.getName()+" to "+defc.getName()+"."+name+"/"+type+" => "+target
+(target == null ? "" : target.type())
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(specialCaller, target.type().parameterType(0));
assertEquals(type, target.type().dropParameterTypes(0,1));
Class<?>[] paramsWithSelf = cat(array(Class[].class, (Class)specialCaller), params);
MethodType typeWithSelf = MethodType.methodType(ret, paramsWithSelf);
assertNameStringContains(target, methodName);
Object[] args = randomArgs(paramsWithSelf);
printCalled(target, name, args);
target.invokeWithArguments(args);
assertCalled(name, args);
}
Example 14
| Source File: MethodHandlesTest.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
void testUnreflectMaybeSpecial(Class<?> specialCaller,
boolean positive, Lookup lookup,
Class<?> defc, Class<?> rcvc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = (specialCaller != null ? maybeMoveIn(lookup, specialCaller) : null);
boolean specialAccessOK = (specialCaller != null &&
specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
Method rmethod = defc.getDeclaredMethod(methodName, params);
MethodHandle target = null;
Exception noAccess = null;
boolean isStatic = (rcvc == null);
boolean isSpecial = (specialCaller != null);
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (isSpecial)
target = specialLookup.unreflectSpecial(rmethod, specialCaller);
else
target = maybeMoveIn(lookup, defc).unreflect(rmethod);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
IllegalAccessException.class, // NSME is impossible, since it was already reflected
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("unreflect"+(isSpecial?"Special":"")+" "+defc.getName()+"."+name+"/"+type
+(!isSpecial ? "" : " specialCaller="+specialCaller)
+( isStatic ? "" : " receiver="+rcvc)
+" => "+target
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(isStatic, Modifier.isStatic(rmethod.getModifiers()));
Class<?>[] paramsMaybeWithSelf = params;
if (!isStatic) {
paramsMaybeWithSelf = cat(array(Class[].class, (Class)rcvc), params);
}
MethodType typeMaybeWithSelf = MethodType.methodType(ret, paramsMaybeWithSelf);
if (isStatic) {
assertEquals(typeMaybeWithSelf, target.type());
} else {
if (isSpecial)
assertEquals(specialCaller, target.type().parameterType(0));
else
assertEquals(defc, target.type().parameterType(0));
assertEquals(typeMaybeWithSelf, target.type().changeParameterType(0, rcvc));
}
Object[] argsMaybeWithSelf = randomArgs(paramsMaybeWithSelf);
printCalled(target, name, argsMaybeWithSelf);
target.invokeWithArguments(argsMaybeWithSelf);
assertCalled(name, argsMaybeWithSelf);
if (verbosity >= 1)
System.out.print(':');
}
Example 15
| Source File: MethodHandlesTest.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
void testFindSpecial(boolean positive, Lookup lookup, Class<?> specialCaller,
Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = maybeMoveIn(lookup, specialCaller);
boolean specialAccessOK = (specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
MethodHandle target = null;
Exception noAccess = null;
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (verbosity >= 5) System.out.println(" lookup => "+specialLookup);
target = specialLookup.findSpecial(defc, methodName, type, specialCaller);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
(!specialAccessOK) // this check should happen first
? IllegalAccessException.class
: (name.contains("bogus") || INIT_REF_CAUSES_NSME && name.contains("<init>"))
? NoSuchMethodException.class
: IllegalAccessException.class,
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("findSpecial from "+specialCaller.getName()+" to "+defc.getName()+"."+name+"/"+type+" => "+target
+(target == null ? "" : target.type())
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(specialCaller, target.type().parameterType(0));
assertEquals(type, target.type().dropParameterTypes(0,1));
Class<?>[] paramsWithSelf = cat(array(Class[].class, (Class)specialCaller), params);
MethodType typeWithSelf = MethodType.methodType(ret, paramsWithSelf);
assertNameStringContains(target, methodName);
Object[] args = randomArgs(paramsWithSelf);
printCalled(target, name, args);
target.invokeWithArguments(args);
assertCalled(name, args);
}
Example 16
| Source File: MethodHandlesTest.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 4 votes |
|
void testUnreflectMaybeSpecial(Class<?> specialCaller,
boolean positive, Lookup lookup,
Class<?> defc, Class<?> rcvc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = (specialCaller != null ? maybeMoveIn(lookup, specialCaller) : null);
boolean specialAccessOK = (specialCaller != null &&
specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
Method rmethod = defc.getDeclaredMethod(methodName, params);
MethodHandle target = null;
Exception noAccess = null;
boolean isStatic = (rcvc == null);
boolean isSpecial = (specialCaller != null);
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (isSpecial)
target = specialLookup.unreflectSpecial(rmethod, specialCaller);
else
target = maybeMoveIn(lookup, defc).unreflect(rmethod);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
IllegalAccessException.class, // NSME is impossible, since it was already reflected
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("unreflect"+(isSpecial?"Special":"")+" "+defc.getName()+"."+name+"/"+type
+(!isSpecial ? "" : " specialCaller="+specialCaller)
+( isStatic ? "" : " receiver="+rcvc)
+" => "+target
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(isStatic, Modifier.isStatic(rmethod.getModifiers()));
Class<?>[] paramsMaybeWithSelf = params;
if (!isStatic) {
paramsMaybeWithSelf = cat(array(Class[].class, (Class)rcvc), params);
}
MethodType typeMaybeWithSelf = MethodType.methodType(ret, paramsMaybeWithSelf);
if (isStatic) {
assertEquals(typeMaybeWithSelf, target.type());
} else {
if (isSpecial)
assertEquals(specialCaller, target.type().parameterType(0));
else
assertEquals(defc, target.type().parameterType(0));
assertEquals(typeMaybeWithSelf, target.type().changeParameterType(0, rcvc));
}
Object[] argsMaybeWithSelf = randomArgs(paramsMaybeWithSelf);
printCalled(target, name, argsMaybeWithSelf);
target.invokeWithArguments(argsMaybeWithSelf);
assertCalled(name, argsMaybeWithSelf);
if (verbosity >= 1)
System.out.print(':');
}
Example 17
| Source File: MethodHandlesTest.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
void testUnreflectMaybeSpecial(Class<?> specialCaller,
boolean positive, Lookup lookup,
Class<?> defc, Class<?> rcvc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = (specialCaller != null ? maybeMoveIn(lookup, specialCaller) : null);
boolean specialAccessOK = (specialCaller != null &&
specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
Method rmethod = defc.getDeclaredMethod(methodName, params);
MethodHandle target = null;
Exception noAccess = null;
boolean isStatic = (rcvc == null);
boolean isSpecial = (specialCaller != null);
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (isSpecial)
target = specialLookup.unreflectSpecial(rmethod, specialCaller);
else
target = maybeMoveIn(lookup, defc).unreflect(rmethod);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
IllegalAccessException.class, // NSME is impossible, since it was already reflected
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("unreflect"+(isSpecial?"Special":"")+" "+defc.getName()+"."+name+"/"+type
+(!isSpecial ? "" : " specialCaller="+specialCaller)
+( isStatic ? "" : " receiver="+rcvc)
+" => "+target
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(isStatic, Modifier.isStatic(rmethod.getModifiers()));
Class<?>[] paramsMaybeWithSelf = params;
if (!isStatic) {
paramsMaybeWithSelf = cat(array(Class[].class, (Class)rcvc), params);
}
MethodType typeMaybeWithSelf = MethodType.methodType(ret, paramsMaybeWithSelf);
if (isStatic) {
assertEquals(typeMaybeWithSelf, target.type());
} else {
if (isSpecial)
assertEquals(specialCaller, target.type().parameterType(0));
else
assertEquals(defc, target.type().parameterType(0));
assertEquals(typeMaybeWithSelf, target.type().changeParameterType(0, rcvc));
}
Object[] argsMaybeWithSelf = randomArgs(paramsMaybeWithSelf);
printCalled(target, name, argsMaybeWithSelf);
target.invokeWithArguments(argsMaybeWithSelf);
assertCalled(name, argsMaybeWithSelf);
if (verbosity >= 1)
System.out.print(':');
}
Example 18
| Source File: MethodHandlesTest.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
void testFindSpecial(boolean positive, Lookup lookup, Class<?> specialCaller,
Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = maybeMoveIn(lookup, specialCaller);
boolean specialAccessOK = (specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
MethodHandle target = null;
Exception noAccess = null;
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (verbosity >= 5) System.out.println(" lookup => "+specialLookup);
target = specialLookup.findSpecial(defc, methodName, type, specialCaller);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
(!specialAccessOK) // this check should happen first
? IllegalAccessException.class
: (name.contains("bogus") || INIT_REF_CAUSES_NSME && name.contains("<init>"))
? NoSuchMethodException.class
: IllegalAccessException.class,
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("findSpecial from "+specialCaller.getName()+" to "+defc.getName()+"."+name+"/"+type+" => "+target
+(target == null ? "" : target.type())
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(specialCaller, target.type().parameterType(0));
assertEquals(type, target.type().dropParameterTypes(0,1));
Class<?>[] paramsWithSelf = cat(array(Class[].class, (Class)specialCaller), params);
MethodType typeWithSelf = MethodType.methodType(ret, paramsWithSelf);
assertNameStringContains(target, methodName);
Object[] args = randomArgs(paramsWithSelf);
printCalled(target, name, args);
target.invokeWithArguments(args);
assertCalled(name, args);
}
Example 19
| Source File: MethodHandlesTest.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 4 votes |
|
void testFindSpecial(boolean positive, Lookup lookup, Class<?> specialCaller,
Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
countTest(positive);
String methodName = name.substring(1 + name.indexOf('/')); // foo/bar => foo
MethodType type = MethodType.methodType(ret, params);
Lookup specialLookup = maybeMoveIn(lookup, specialCaller);
boolean specialAccessOK = (specialLookup.lookupClass() == specialCaller &&
(specialLookup.lookupModes() & Lookup.PRIVATE) != 0);
MethodHandle target = null;
Exception noAccess = null;
try {
if (verbosity >= 4) System.out.println("lookup via "+lookup+" of "+defc+" "+name+type);
if (verbosity >= 5) System.out.println(" lookup => "+specialLookup);
target = specialLookup.findSpecial(defc, methodName, type, specialCaller);
} catch (ReflectiveOperationException ex) {
noAccess = ex;
assertExceptionClass(
(!specialAccessOK) // this check should happen first
? IllegalAccessException.class
: (name.contains("bogus") || INIT_REF_CAUSES_NSME && name.contains("<init>"))
? NoSuchMethodException.class
: IllegalAccessException.class,
noAccess);
if (verbosity >= 5) ex.printStackTrace(System.out);
}
if (verbosity >= 3)
System.out.println("findSpecial from "+specialCaller.getName()+" to "+defc.getName()+"."+name+"/"+type+" => "+target
+(target == null ? "" : target.type())
+(noAccess == null ? "" : " !! "+noAccess));
if (positive && noAccess != null) throw noAccess;
assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
if (!positive) return; // negative test failed as expected
assertEquals(specialCaller, target.type().parameterType(0));
assertEquals(type, target.type().dropParameterTypes(0,1));
Class<?>[] paramsWithSelf = cat(array(Class[].class, (Class)specialCaller), params);
MethodType typeWithSelf = MethodType.methodType(ret, paramsWithSelf);
assertNameStringContains(target, methodName);
Object[] args = randomArgs(paramsWithSelf);
printCalled(target, name, args);
target.invokeWithArguments(args);
assertCalled(name, args);
}
Example 20
| Source File: CallSiteDescriptor.java From openjdk-jdk9 with GNU General Public License v2.0 | 2 votes |
|
/**
* Returns a value-based hash code for the passed lookup object. It is
* based on the lookup object's
* {@link java.lang.invoke.MethodHandles.Lookup#lookupClass()} and
* {@link java.lang.invoke.MethodHandles.Lookup#lookupModes()} values.
* @param lookup the lookup object.
* @return a hash code for the object..
*/
private static int lookupHashCode(final Lookup lookup) {
return lookup.lookupClass().hashCode() + 31 * lookup.lookupModes();
}
