/* * 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(System.out); } } 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); } } }