public void UnregisterTrackedTypeStopsTracking()
{
DisposableTracker.RegisterTrackedType(typeof(TestDisposable));
DisposableTracker.RegisterTrackedType(typeof(ReferenceCounted));
using (var t = new TestDisposable())
using (var t2 = new ReferenceCounted())
{
//Confirm both items tracked
int trackedItems = 0;
DisposableTracker.EnumerateTrackedInstances((td) => trackedItems++);
Assert.AreEqual(2, trackedItems);
trackedItems = 0;
//Remove one type, and check only one instance being tracked
DisposableTracker.UnregisterTrackedType(typeof(TestDisposable));
DisposableTracker.EnumerateTrackedInstances((td) => trackedItems++);
Assert.AreEqual(1, trackedItems);
trackedItems = 0;
//Create another instance of the type NOT being tracked
//and ensure still only one tracked instance.
using (var t3 = new TestDisposable())
{
DisposableTracker.EnumerateTrackedInstances((td) => trackedItems++);
Assert.AreEqual(1, trackedItems);
}
}
}
public void TracksOnlyRegisteredTypes()
{
DisposableTracker.RegisterTrackedType(typeof(TestDisposable));
using (var t = new TestDisposable())
using (var t2 = new ReferenceCounted())
{
int trackedItems = 0;
DisposableTracker.EnumerateTrackedInstances((td) => trackedItems++);
Assert.AreEqual(1, trackedItems);
}
}
public void RegisterTrackedTypeThrowsOnNull()
{
DisposableTracker.RegisterTrackedType(null);
}