System.Tests.GCExtendedTests.GetGeneration_WeakReference C# (CSharp) Method

        public static void GetGeneration_WeakReference()
        {
            RemoteInvokeOptions options = new RemoteInvokeOptions();
            options.TimeOut = TimeoutMilliseconds;
            RemoteInvoke(() =>
                {

                    Func<WeakReference> getweakref = delegate ()
                    {
                        Version myobj = new Version();
                        var wkref = new WeakReference(myobj);

                        Assert.True(GC.TryStartNoGCRegion(1024));
                        Assert.True(GC.GetGeneration(wkref) >= 0);
                        Assert.Equal(GC.GetGeneration(wkref), GC.GetGeneration(myobj));
                        GC.EndNoGCRegion();

                        myobj = null;
                        return wkref;
                    };

                    WeakReference weakref = getweakref();
                    Assert.True(weakref != null);
#if !DEBUG
                    GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced, true, true);
                    Assert.Throws<ArgumentNullException>(() => GC.GetGeneration(weakref));
#endif
                    return SuccessExitCode;
                }, options).Dispose();

        }