2 // GCTest.cs - NUnit Test Cases for GC
5 // Marek Safar <marek.safar@gmail.com>
7 // Copyright (C) 2016 Xamarin Inc (http://www.xamarin.com)
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30 using System.Threading;
31 using System.Threading.Tasks;
33 using NUnit.Framework;
35 namespace MonoTests.System {
40 class MyFinalizeObject
42 public volatile static int finalized;
46 if (finalized++ == 0) {
47 GC.ReRegisterForFinalize (this);
52 static void Run_ReRegisterForFinalizeTest ()
54 var m = new WeakReference<MyFinalizeObject> (new MyFinalizeObject ());
59 public void ReRegisterForFinalizeTest ()
61 var thread = new Thread (Run_ReRegisterForFinalizeTest);
65 var t = Task.Factory.StartNew (() => {
68 GC.WaitForPendingFinalizers ();
70 } while (MyFinalizeObject.finalized != 2);
73 Assert.IsTrue (t.Wait (5000));