1 // Copyright 2008 The Android Open Source Project 2 3 import java.util.Timer; 4 import java.util.TimerTask; 5 6 /* 7 * Throw an exception from a finalizer and make sure it's harmless. Under 8 * Dalvik this may also generate a warning in the log file. 9 */ 10 public class Main { 11 static Object waiter = new Object(); 12 static volatile boolean didFinal = false; 13 14 static void createAndForget() { 15 Main main = new Main(); 16 } 17 18 public static void main(String[] args) { 19 createAndForget(); 20 21 System.gc(); 22 System.runFinalization(); 23 24 new Timer(true).schedule(new TimerTask() { 25 public void run() { 26 System.out.println("Timed out, exiting"); 27 System.exit(1); 28 } 29 }, 30000); 30 31 while (!didFinal) { 32 try { 33 Thread.sleep(500); 34 } catch (InterruptedException ie) { 35 System.err.println(ie); 36 } 37 } 38 39 /* give it a chance to cause mayhem */ 40 try { 41 Thread.sleep(750); 42 } catch (InterruptedException ie) { 43 System.err.println(ie); 44 } 45 46 System.out.println("done"); 47 } 48 49 protected void finalize() throws Throwable { 50 System.out.println("In finalizer"); 51 52 didFinal = true; 53 54 throw new InterruptedException("whee"); 55 } 56 } 57
