1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 import java.util.ArrayList; 18 19 /** 20 * Test some basic thread stuff. 21 */ 22 public class Main { 23 public static void main(String[] args) throws Exception { 24 System.out.println("Initializing System.out..."); 25 26 MyThread[] threads = new MyThread[512]; 27 for (int i = 0; i < 512; i++) { 28 threads[i] = new MyThread(); 29 } 30 31 for (MyThread thread : threads) { 32 thread.start(); 33 } 34 for (MyThread thread : threads) { 35 thread.join(); 36 } 37 38 System.out.println("Thread count: " + MyThread.mCount); 39 40 go(); 41 System.out.println("thread test done"); 42 } 43 44 public static void go() { 45 Thread t = new Thread(null, new ThreadTestSub(), "Thready", 7168); 46 47 t.setDaemon(false); 48 49 System.out.print("Starting thread '" + t.getName() + "'\n"); 50 t.start(); 51 52 try { 53 t.join(); 54 } catch (InterruptedException ex) { 55 ex.printStackTrace(); 56 } 57 58 System.out.print("Thread starter returning\n"); 59 } 60 61 /* 62 * Simple thread capacity test. 63 */ 64 static class MyThread extends Thread { 65 static int mCount = 0; 66 public void run() { 67 synchronized (MyThread.class) { 68 ++mCount; 69 } 70 } 71 } 72 } 73 74 class ThreadTestSub implements Runnable { 75 public void run() { 76 System.out.print("@ Thread running\n"); 77 78 try { 79 Thread.currentThread().setDaemon(true); 80 System.out.print("@ FAILED: setDaemon() succeeded\n"); 81 } catch (IllegalThreadStateException itse) { 82 System.out.print("@ Got expected setDaemon exception\n"); 83 } 84 85 //if (true) 86 // throw new NullPointerException(); 87 try { 88 Thread.sleep(2000); 89 } 90 catch (InterruptedException ie) { 91 System.out.print("@ Interrupted!\n"); 92 } 93 finally { 94 System.out.print("@ Thread bailing\n"); 95 } 96 } 97 } 98
