1 /* 2 * Copyright (c) 2007, 2012, 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 */ 26 27 package org.graalvm.compiler.jtt.threads; 28 29 import org.graalvm.compiler.jtt.JTTTest; 30 import org.junit.Assert; 31 import org.junit.Test; 32 33 //Test all, mainly monitors 34 public class Thread_isInterrupted02 extends JTTTest { 35 36 private static final Object start = new Object(); 37 private static final Object end = new Object(); 38 private static int waitTime; 39 40 @SuppressWarnings("unused") 41 public static boolean test(int i, int time) throws InterruptedException { 42 waitTime = time; 43 final Thread thread = new Thread(); 44 synchronized (thread) { 45 // start the thread and wait for it 46 thread.setDaemon(true); // in case the thread gets stuck 47 thread.start(); 48 while (!thread.wait1Condition) { 49 thread.wait(10000); 50 } 51 } 52 synchronized (start) { 53 thread.interrupt(); 54 thread.sentInterrupt = true; 55 } 56 synchronized (end) { 57 while (!thread.wait2Condition) { 58 end.wait(10000); 59 } 60 } 61 return thread.interrupted; 62 } 63 64 private static class Thread extends java.lang.Thread { 65 66 private boolean interrupted; 67 private boolean sentInterrupt; 68 private boolean wait1Condition; 69 private boolean wait2Condition; 70 71 @Override 72 public void run() { 73 try { 74 synchronized (start) { 75 synchronized (this) { 76 // signal test thread that we are running 77 wait1Condition = true; 78 notify(); 79 } 80 // wait for the condition, which should be interrupted 81 while (!sentInterrupt) { 82 if (waitTime == 0) { 83 start.wait(); 84 } else { 85 start.wait(waitTime); 86 } 87 if (Thread.interrupted()) { 88 throw new InterruptedException(); 89 } 90 } 91 Assert.fail("should not reach here - was not interrupted"); 92 } 93 } catch (InterruptedException e) { 94 // interrupted successfully. 95 interrupted = true; 96 synchronized (end) { 97 // notify the other thread we are done 98 wait2Condition = true; 99 end.notify(); 100 } 101 } 102 } 103 } 104 105 @Test(timeout = 20000) 106 public void run0() throws Throwable { 107 initializeForTimeout(); 108 runTest("test", 0, 0); 109 } 110 111 @Test(timeout = 20000) 112 public void run1() throws Throwable { 113 initializeForTimeout(); 114 runTest("test", 1, 500); 115 } 116 117 }