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 }