content: /*
   * Copyright (C) 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.InvocationTargetException;
  import java.lang.reflect.Method;
  
  //
  // Two classes A and B with method foo().
  //
  
  class A {
    A() { System.out.println("new A"); }
  
    public void foo() { System.out.println("I am A's foo"); }
  
    // We previously used to invoke this method with a Y instance, due
    // to invoke-super underspecified behavior.
    public void bar() { System.out.println("I am A's bar"); }
  }
  
  class B {
    B() { System.out.println("new B"); }
  
    public void foo() { System.out.println("I am B's foo"); }
  }
  
  //
  // Two subclasses X and Y that call foo() on super.
  //
  
  class X extends A {
    public void foo() { super.foo(); }
  }
  
  class Y extends B {
    public void foo() { super.foo(); }
  }
  
  //
  // Driver class.
  //
  
  public class Main {
  
    public static void main(String[] args) throws Exception {
      // The normal stuff, X's super goes to A, Y's super goes to B.
      new X().foo();
      new Y().foo();
  
      // And now it gets interesting.
  
      // In bytecode, we define a class Z that is a subclass of A, and we call
      // invoke-super on an instance of Y.
      Class<?> z = Class.forName("Z");
      Method m = z.getMethod("foo");
      try {
        m.invoke(z.newInstance());
        throw new Error("Expected InvocationTargetException");
      } catch (InvocationTargetException e) {
        if (!(e.getCause() instanceof NoSuchMethodError)) {
          throw new Error("Expected NoSuchMethodError");
        }
      }
  
      System.out.println("passed");
    }
  }
  