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 * @library /test/lib 35 * @build jdk.testlibrary.* 36 * @build jdk.test.lib.LockFreeLogger 37 * @build ThreadStateTest ThreadStateController 38 * @run main/othervm -Xmixed ThreadStateTest 39 */ 40 41 public class ThreadStateTest { 42 private static boolean testFailed = false; 43 44 // used to achieve waiting states 45 private static final Object globalLock = new Object(); 46 47 public static void main(String[] argv) throws Exception { 48 // Call Thread.getState to force all initialization done 49 // before test verification begins. 50 Thread.currentThread().getState(); 51 ThreadStateController thread = new ThreadStateController("StateChanger", globalLock); 52 thread.setDaemon(true); 53 54 // before myThread starts 55 thread.checkThreadState(NEW); 56 57 thread.start(); 58 thread.transitionTo(RUNNABLE); 59 thread.checkThreadState(RUNNABLE); 60 61 synchronized (globalLock) { 62 thread.transitionTo(BLOCKED); 63 thread.checkThreadState(BLOCKED); 64 } 65 66 thread.transitionTo(WAITING); 67 thread.checkThreadState(WAITING); 68 69 thread.transitionTo(TIMED_WAITING); 70 thread.checkThreadState(TIMED_WAITING); 71 72 thread.transitionToPark(true /* timed park*/); 73 thread.checkThreadState(TIMED_WAITING); 74 75 thread.transitionToPark(false /* indefinite park */); 76 thread.checkThreadState(WAITING); 77 78 thread.transitionToSleep(); 79 thread.checkThreadState(TIMED_WAITING); 80 81 thread.transitionTo(TERMINATED); 82 thread.checkThreadState(TERMINATED); 83 84 try { 85 thread.join(); 86 } catch (InterruptedException e) { 87 e.printStackTrace(); 88 System.out.println("Unexpected exception."); 89 testFailed = true; 90 } 91 92 if (testFailed) 93 throw new RuntimeException("TEST FAILED."); 94 System.out.println("Test passed."); 95 } 96 }