content: /*
   * Copyright (C) 2015 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.Field;
  import sun.misc.Unsafe;
  
  public class Main {
    private static void assertLongEquals(long expected, long result) {
      if (expected != result) {
        throw new Error("Expected: " + expected + ", found: " + result);
      }
    }
  
    private static Unsafe getUnsafe() throws Exception {
      Class<?> unsafeClass = Class.forName("sun.misc.Unsafe");
      Field f = unsafeClass.getDeclaredField("theUnsafe");
      f.setAccessible(true);
      return (Unsafe) f.get(null);
    }
  
    public static void main(String[] args) throws Exception {
      System.loadLibrary(args[0]);
      Unsafe unsafe = getUnsafe();
  
      testUnsafeGetLong(unsafe);
    }
  
    public static void testUnsafeGetLong(Unsafe unsafe) throws Exception {
      TestClass test = new TestClass();
      Field longField = TestClass.class.getDeclaredField("longVar");
      long lvar = unsafe.objectFieldOffset(longField);
      lvar = unsafe.getLong(test, lvar);
      assertLongEquals(1122334455667788L, lvar);
    }
  
    private static class TestClass {
      public long longVar = 1122334455667788L;
    }
  }
  