content: /*
   * 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();
      }
    }
  
    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];
    }
  }
  
  