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;
  
  public class Main {
    public static void main(String[] args) throws Exception {
      System.loadLibrary(args[0]);
      Class<?> c = Class.forName("ErrClass");
      Method m = c.getMethod("errMethod");
  
      // Print the counter before invokes. The golden file expects this to be 0.
      int hotnessCounter = getHotnessCounter(c, "errMethod");
      if (hotnessCounter != 0) {
        throw new RuntimeException("Unexpected hotnessCounter: " + hotnessCounter);
      }
  
      // Loop enough to make sure the interpreter reports invocations count.
      long result = 0;
      for (int i = 0; i < 10000; i++) {
        try {
          result += (Long)m.invoke(null);
          hotnessCounter = getHotnessCounter(c, "errMethod");
          if (hotnessCounter != 0) {
            throw new RuntimeException(
              "Unexpected hotnessCounter: " + hotnessCounter);
          }
  
        } catch (InvocationTargetException e) {
          if (!(e.getCause() instanceof NullPointerException)) {
            throw e;
          }
        }
      }
  
      // Not compilable methods should not increase their hotness counter.
      if (hotnessCounter != 0) {
        throw new RuntimeException("Unexpected hotnessCounter: " + hotnessCounter);
      }
    }
  
    public static native int getHotnessCounter(Class cls, String method_name);
  }
  