/*
* Copyright ( c ) 2004 , 2013 , 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
* @ bug 5003916 6704655 6873951 6476261 8004928
* @ summary Testing parsing of signatures attributes of nested classes
* @ author Joseph D . Darcy
*/
import java.lang.reflect.*;
import java.lang.annotation.*;
import java.util.*;
import static java.util.Arrays.*;
@Classes({"java.util.concurrent.FutureTask" ,
"java.util.concurrent.ConcurrentHashMap$EntryIterator" ,
"java.util.concurrent.ConcurrentHashMap$KeyIterator" ,
"java.util.concurrent.ConcurrentHashMap$ValueIterator" ,
"java.util.AbstractList$ListItr" ,
"java.util.EnumMap$EntryIterator" ,
"java.util.EnumMap$KeyIterator" ,
"java.util.EnumMap$ValueIterator" ,
"java.util.IdentityHashMap$EntryIterator" ,
"java.util.IdentityHashMap$KeyIterator" ,
"java.util.IdentityHashMap$ValueIterator" ,
"java.util.WeakHashMap$EntryIterator" ,
"java.util.WeakHashMap$KeyIterator" ,
"java.util.WeakHashMap$ValueIterator" ,
"java.util.HashMap$EntryIterator" ,
"java.util.HashMap$KeyIterator" ,
"java.util.HashMap$ValueIterator" ,
"java.util.LinkedHashMap$LinkedEntryIterator" ,
"java.util.LinkedHashMap$LinkedKeyIterator" ,
"java.util.LinkedHashMap$LinkedValueIterator" })
public class Probe {
public static void main (String... args) throws Throwable {
Classes classesAnnotation = (Probe.class ).getAnnotation(Classes.class );
List<String> names = new ArrayList<>(asList(classesAnnotation.value()));
int errs = 0 ;
for (String name: names) {
System.out.println("\nCLASS " + name);
Class c = Class .forName(name, false , null );
errs += probe(c);
System.out.println(errs == 0 ? " ok" : " ERRORS:" + errs);
}
if (errs > 0 )
throw new RuntimeException("Errors during probing." );
}
static int probe (Class c) {
int errs = 0 ;
try {
c.getTypeParameters();
c.getGenericSuperclass();
c.getGenericInterfaces();
} catch (Throwable t) {
errs++;
System.err.println(t);
}
Field[] fields = c.getDeclaredFields();
if (fields != null )
for (Field field: fields) {
try {
field.getGenericType();
} catch (Throwable t) {
errs++;
System.err.println("FIELD " + field);
System.err.println(t);
}
}
Method[] methods = c.getDeclaredMethods();
if (methods != null )
for (Method method: methods) {
try {
method.getTypeParameters();
method.getGenericReturnType();
method.getGenericParameterTypes();
method.getGenericExceptionTypes();
} catch (Throwable t) {
errs++;
System.err.println("METHOD " + method);
System.err.println(t);
}
}
Constructor[] ctors = c.getDeclaredConstructors();
if (ctors != null )
for (Constructor ctor: ctors) {
try {
ctor.getTypeParameters();
ctor.getGenericParameterTypes();
ctor.getGenericExceptionTypes();
} catch (Throwable t) {
errs++;
System.err.println("CONSTRUCTOR " + ctor);
System.err.println(t);
}
}
return errs;
}
}
@Retention(RetentionPolicy.RUNTIME)
@interface Classes {
String [] value(); // list of classes to probe
}
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