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 package org.graalvm.compiler.jtt.threads; 26 27 import org.junit.Test; 28 29 import org.graalvm.compiler.jtt.JTTTest; 30 31 public class Object_wait04 extends JTTTest { 32 33 private static class TestClass implements Runnable { 34 @Override 35 public void run() { 36 try { 37 Thread.sleep(sleep); 38 } catch (InterruptedException ex) { 39 40 } 41 synchronized (object) { 42 done = true; 43 object.notifyAll(); 44 } 45 } 46 } 47 48 static volatile boolean done; 49 static final Object object = new Object(); 50 static int sleep; 51 52 public static boolean test(int i) throws InterruptedException { 53 done = false; 54 sleep = i * 50; 55 synchronized (object) { 56 new Thread(new TestClass()).start(); 57 dowait(i); 58 } 59 return done; 60 } 61 62 private static void dowait(int i) throws InterruptedException { 63 if (i == 0) { 64 while (!done) { 65 object.wait(100); 66 } 67 } else { 68 synchronized (object) { 69 dowait(i - 1); 70 } 71 } 72 } 73 74 @Test(timeout = 20000) 75 public void run0() throws Throwable { 76 runTest("test", 0); 77 } 78 79 @Test(timeout = 20000) 80 public void run1() throws Throwable { 81 runTest("test", 1); 82 } 83 84 @Test(timeout = 20000) 85 public void run2() throws Throwable { 86 runTest("test", 2); 87 } 88 89 @Test(timeout = 20000) 90 public void run3() throws Throwable { 91 runTest("test", 3); 92 } 93 94 @Test(timeout = 20000) 95 public void run4() throws Throwable { 96 runTest("test", 4); 97 } 98 99 @Test(timeout = 20000) 100 public void run5() throws Throwable { 101 runTest("test", 5); 102 } 103 104 }