1 /* 2 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 @test 26 @summary Make sure that Thread.interrupt() works 27 @summary Simple test for interrupting Thread.sleep 28 @summary com.apple.junit.java.lang.Thread; 29 @run main InterruptSleepTest 30 */ 31 32 import junit.framework.*; 33 34 public class InterruptSleepTest extends TestCase { 35 public static Test suite() { 36 return new TestSuite(InterruptSleepTest.class); 37 } 38 39 public static void main (String[] args) throws RuntimeException { 40 TestResult tr = junit.textui.TestRunner.run(suite()); 41 if((tr.errorCount() != 0) || (tr.failureCount() != 0)) { 42 throw new RuntimeException("### Unexpected JUnit errors or failures."); 43 } 44 } 45 46 final static Object o = new Object(); 47 static volatile boolean in_sleep = false; 48 static volatile boolean interrupt_worked = false; 49 public static void testCase() { 50 Thread t = new Thread(new Runnable() { public void run() { 51 try { 52 in_sleep = true; 53 //System.out.println("sleep"); 54 Thread.sleep(6000); // just a bit 55 in_sleep = false; 56 } catch(Exception e) { 57 //System.out.println(Thread.currentThread().getName() + " caught " + e); 58 //e.printStackTrace(); 59 interrupt_worked = true; 60 in_sleep = false; 61 } 62 }}); 63 t.start(); 64 while (!in_sleep) {} // Lame 65 synchronized(o) { 66 //System.out.println("interrupt"); 67 t.interrupt(); 68 } 69 while (in_sleep) {} // spin while we are still in the sleep 70 assertTrue(interrupt_worked); 71 } 72 }