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 }