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_wait01 extends JTTTest {
  31 
  32     private static class TestClass implements Runnable {
  33         @Override
  34         public void run() {
  35             int i = 0;
  36             while (i++ < 1000000 && !done) {
  37                 synchronized (object) {
  38                     count++;
  39                     object.notifyAll();
  40                 }
  41             }
  42         }
  43     }
  44 
  45     static volatile int count = 0;
  46     static volatile boolean done;
  47     static final Object object = new Object();
  48 
  49     public static boolean test(int i) throws InterruptedException {
  50         count = 0;
  51         done = false;
  52         new Thread(new TestClass()).start();
  53         synchronized (object) {
  54             while (count < i) {
  55                 object.wait();
  56             }
  57             done = true;
  58             return count >= i;
  59         }
  60     }
  61 
  62     @Test(timeout = 20000)
  63     public void run0() throws Throwable {
  64         initializeForTimeout();
  65         runTest("test", 0);
  66     }
  67 
  68     @Test(timeout = 20000)
  69     public void run1() throws Throwable {
  70         initializeForTimeout();
  71         runTest("test", 1);
  72     }
  73 
  74     @Test(timeout = 20000)
  75     public void run2() throws Throwable {
  76         initializeForTimeout();
  77         runTest("test", 3);
  78     }
  79 
  80     @Test(timeout = 20000)
  81     public void run3() throws Throwable {
  82         initializeForTimeout();
  83         runTest("test", 15);
  84     }
  85 
  86 }