1 /* 2 * Copyright (c) 2004, 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 import static java.lang.Thread.State.*; 25 26 /* 27 * @test 28 * @bug 5014783 8022208 29 * @summary Basic unit test of thread states returned by 30 * Thread.getState(). 31 * 32 * @author Mandy Chung 33 * @library /lib/testlibrary 34 * @build jdk.testlibrary.* 35 * @build ThreadStateTest ThreadStateController 36 * @run main/othervm -Xmixed ThreadStateTest 37 */ 38 39 public class ThreadStateTest { 40 private static boolean testFailed = false; 41 42 // used to achieve waiting states 43 private static final Object globalLock = new Object(); 44 45 public static void main(String[] argv) throws Exception { 46 // Call Thread.getState to force all initialization done 47 // before test verification begins. 48 Thread.currentThread().getState(); 49 ThreadStateController thread = new ThreadStateController("StateChanger", globalLock); 50 thread.setDaemon(true); 51 52 // before myThread starts 53 thread.checkThreadState(NEW); 54 55 thread.start(); 56 thread.transitionTo(RUNNABLE); 57 thread.checkThreadState(RUNNABLE); 58 59 synchronized (globalLock) { 60 thread.transitionTo(BLOCKED); 61 thread.checkThreadState(BLOCKED); 62 } 63 64 thread.transitionTo(WAITING); 65 thread.checkThreadState(WAITING); 66 67 thread.transitionTo(TIMED_WAITING); 68 thread.checkThreadState(TIMED_WAITING); 69 70 thread.transitionToPark(true /* timed park*/); 71 thread.checkThreadState(TIMED_WAITING); 72 73 thread.transitionToPark(false /* indefinite park */); 74 thread.checkThreadState(WAITING); 75 76 thread.transitionToSleep(); 77 thread.checkThreadState(TIMED_WAITING); 78 79 thread.transitionTo(TERMINATED); 80 thread.checkThreadState(TERMINATED); 81 82 try { 83 thread.join(); 84 } catch (InterruptedException e) { 85 e.printStackTrace(); 86 System.out.println("Unexpected exception."); 87 testFailed = true; 88 } 89 90 if (testFailed) 91 throw new RuntimeException("TEST FAILED."); 92 System.out.println("Test passed."); 93 } 94 }