blob: dfafbd804a4b0c362e62ab2376ba1a4cb3729833 [file] [log] [blame]
/*
* Copyright 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
/**
* Tests proxies when used with constructor methods.
*/
class ConstructorProxy implements InvocationHandler {
public static void main() {
try {
new ConstructorProxy().runTest();
} catch (Exception e) {
System.out.println("Unexpected failure occured");
e.printStackTrace(System.out);
}
}
public void runTest() throws Exception {
Class<?> proxyClass = Proxy.getProxyClass(
getClass().getClassLoader(),
new Class<?>[] { Runnable.class }
);
Constructor<?> constructor = proxyClass.getConstructor(InvocationHandler.class);
System.out.println("Found constructor.");
// We used to crash when asking the exception types of the constructor, because the runtime was
// not using the non-proxy ArtMethod
Object[] exceptions = constructor.getExceptionTypes();
System.out.println("Found constructors with " + exceptions.length + " exceptions");
}
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
return args[0];
}
}