content: /*
   * Copyright (C) 2008 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.
   */
  
  
  /**
   * Exercise monitors.
   */
  public class Monitor {
      public static int mVal = 0;
  
      public synchronized void subTest() {
          Object obj = new Object();
          synchronized (obj) {
              mVal++;
              obj = null;     // does NOT cause a failure on exit
              Main.assertTrue(obj == null);
          }
      }
  
  
      public static void run() {
          System.out.println("Monitor.run");
  
          Object obj = null;
  
          try {
              synchronized (obj) {
                  mVal++;
              }
              Main.assertTrue(false);
          } catch (NullPointerException npe) {
              /* expected */
          }
  
          obj = new Object();
          synchronized (obj) {
              mVal++;
          }
  
          new Monitor().subTest();
  
          Main.assertTrue(mVal == 2);
      }
  }
  