| // Copyright 2006 The Android Open Source Project |
| |
| /** |
| * 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); |
| } |
| } |
| } |