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.core.common.CancellationBailoutException;
  28 import org.graalvm.compiler.debug.DebugContext;
  29 import org.graalvm.compiler.jtt.JTTTest;
  30 import org.graalvm.compiler.nodes.Cancellable;
  31 import org.junit.Rule;
  32 import org.junit.Test;
  33 import org.junit.rules.DisableOnDebug;
  34 import org.junit.rules.TestRule;
  35 import org.junit.rules.Timeout;
  36 
  37 import jdk.vm.ci.meta.ResolvedJavaMethod;
  38 
  39 public class Object_wait03 extends JTTTest {
  40 
  41     /**
  42      * Timeout for compilation.
  43      */
  44     static final long COMPILATION_TIMEOUT_MS = 15_000;
  45 
  46     /**
  47      * Total timeout for compilation and execution of compiled code.
  48      */
  49     static final long TIMEOUT_MS = COMPILATION_TIMEOUT_MS * 2;
  50 
  51     @Rule public TestRule timeout = new DisableOnDebug(Timeout.millis(TIMEOUT_MS));
  52 
  53     private static class TestClass implements Runnable {
  54         @Override
  55         public void run() {
  56             try {
  57                 Thread.sleep(sleep);
  58             } catch (InterruptedException ex) {
  59 
  60             }
  61             synchronized (object) {
  62                 done = true;
  63                 object.notifyAll();
  64             }
  65         }
  66     }
  67 
  68     static volatile boolean done;
  69     static final Object object = new Object();
  70     static int sleep;
  71 
  72     public static boolean test(int i) throws InterruptedException {
  73         done = false;
  74         sleep = i * 200;
  75         synchronized (object) {
  76             new Thread(new TestClass()).start();
  77             dowait();
  78         }
  79         return done;
  80     }
  81 
  82     private static void dowait() throws InterruptedException {
  83         synchronized (object) {
  84             while (!done) {
  85                 object.wait(200);
  86             }
  87         }
  88     }
  89 
  90     static class CompilationTimeout extends Thread implements Cancellable {
  91         boolean timedOut;
  92         final long durationMS;
  93 
  94         CompilationTimeout(long durationMS) {
  95             super("CompilationTimeout-" + durationMS + "ms");
  96             this.durationMS = durationMS;
  97             setDaemon(true);
  98             start();
  99         }
 100 
 101         @Override
 102         public void run() {
 103             try {
 104                 Thread.sleep(durationMS);
 105             } catch (InterruptedException e) {
 106             }
 107             timedOut = true;
 108         }
 109 
 110         @Override
 111         public boolean isCancelled() {
 112             return timedOut;
 113         }
 114     }
 115 
 116     @Override
 117     protected Cancellable getCancellable(ResolvedJavaMethod method) {
 118         return new CompilationTimeout(COMPILATION_TIMEOUT_MS);
 119     }
 120 
 121     private void run(int i) throws Throwable {
 122         initializeForTimeout();
 123         try {
 124             runTest("test", i);
 125         } catch (CancellationBailoutException e) {
 126             String message = String.format("Compilation cancelled after " + COMPILATION_TIMEOUT_MS + " ms");
 127             // For diagnosing expectedly long compilations (GR-3853)
 128             DebugContext debug = getDebugContext();
 129             debug.forceDump(lastCompiledGraph, message);
 130             throw new AssertionError(message, e);
 131         }
 132     }
 133 
 134     @Test
 135     public void run0() throws Throwable {
 136         run(0);
 137     }
 138 
 139     @Test
 140     public void run1() throws Throwable {
 141         run(1);
 142     }
 143 
 144     @Test
 145     public void run2() throws Throwable {
 146         run(2);
 147     }
 148 }