content: /*
   * Copyright (C) 2006 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.
   */
  
  /**
   * Test the uncaught exception handler.
   */
  public class Main {
      public static void main(String[] args) {
          testThread(1);
          testThread(2);
          testThread(3);
  
          catchTheUncaught(1);
      }
  
      private static void testThread(int which) {
          Thread t = new Helper(which);
          t.start();
  
          try {
              t.join();
          } catch (InterruptedException ex) {
              ex.printStackTrace();
          }
      }
  
      static void catchTheUncaught(int which) {
          ThreadDeathHandler defHandler = new ThreadDeathHandler("DEFAULT");
          ThreadDeathHandler threadHandler = new ThreadDeathHandler("THREAD");
  
          System.out.println("Test " + which);
          switch (which) {
              case 1: {
                  Thread.setDefaultUncaughtExceptionHandler(defHandler);
                  break;
              }
              case 2: {
                  Thread.currentThread().setUncaughtExceptionHandler(
                          threadHandler);
                  break;
              }
              case 3: {
                  Thread.setDefaultUncaughtExceptionHandler(defHandler);
                  Thread.currentThread().setUncaughtExceptionHandler(
                          threadHandler);
                  break;
              }
          }
  
          throw new NullPointerException("Hi diddly-ho, neighborino.");
      }
  
      private static class Helper extends Thread {
          private int which;
  
          public Helper(int which) {
              this.which = which;
          }
  
          public void run() {
              catchTheUncaught(which);
          }
      }
  }
  