[Mono-dev] issue with testing dispose code

[Bas Smit]

Hi guys,

Im looking at Mono Ninject2 compatibility and Ive come across a problem.
Nate has a bunch of tests to check his dispose code (example below). For
this purpose we need a way to force disposing of unused objects. Currently
the tests use GC.Collect() for that, however on mono that doesnt necessarily
mean that unused objects are disposed of. Is there a way to force the GC to
dispose of all unused objects?

Regards, Bas


Here is an example of such a (xunit) test:

[Fact]
public void
InstancesActivatedWithinScopeAreDeactivatedAfterThreadIsGarbageCollectedAndCacheIsPruned()
{
    kernel.Bind<NotifiesWhenDisposed>().ToSelf().InThreadScope();
    var cache = kernel.Components.Get<ICache>();

    NotifiesWhenDisposed instance = null;

    ThreadStart callback = () => instance =
kernel.Get<NotifiesWhenDisposed>();

    var thread = new Thread(callback);

    thread.Start();
    thread.Join();

    thread = null;

    GC.Collect();
    GC.WaitForPendingFinalizers();

    cache.Prune();

    instance.ShouldNotBeNull();
    instance.IsDisposed.ShouldBeTrue();
}
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