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.graalvm.compiler.jtt.JTTTest; 28 import org.junit.Test; 29 30 public class Object_wait04 extends JTTTest { 31 32 private static class TestClass implements Runnable { 33 @Override 34 public void run() { 35 try { 36 Thread.sleep(sleep); 37 } catch (InterruptedException ex) { 38 39 } 40 synchronized (object) { 41 done = true; 42 object.notifyAll(); 43 } 44 } 45 } 46 47 static volatile boolean done; 48 static final Object object = new Object(); 49 static int sleep; 50 51 public static boolean test(int i) throws InterruptedException { 52 done = false; 53 sleep = i * 50; 54 synchronized (object) { 55 new Thread(new TestClass()).start(); 56 dowait(i); 57 } 58 return done; 59 } 60 61 private static void dowait(int i) throws InterruptedException { 62 if (i == 0) { 63 while (!done) { 64 object.wait(100); 65 } 66 } else { 67 synchronized (object) { 68 dowait(i - 1); 69 } 70 } 71 } 72 73 @Test(timeout = 20000) 74 public void run0() throws Throwable { 75 initializeForTimeout(); 76 runTest("test", 0); 77 } 78 79 @Test(timeout = 20000) 80 public void run1() throws Throwable { 81 initializeForTimeout(); 82 runTest("test", 1); 83 } 84 85 @Test(timeout = 20000) 86 public void run2() throws Throwable { 87 initializeForTimeout(); 88 runTest("test", 2); 89 } 90 91 @Test(timeout = 20000) 92 public void run3() throws Throwable { 93 initializeForTimeout(); 94 runTest("test", 3); 95 } 96 97 @Test(timeout = 20000) 98 public void run4() throws Throwable { 99 initializeForTimeout(); 100 runTest("test", 4); 101 } 102 103 @Test(timeout = 20000) 104 public void run5() throws Throwable { 105 initializeForTimeout(); 106 runTest("test", 5); 107 } 108 109 }