public void IndirectComputedObjectCanBeGarbageCollected()
{
GC.Collect();
SourceData observable = new SourceData();
DirectComputed intermediate = new DirectComputed(observable);
IndirectComputed indirectComputed = new IndirectComputed(intermediate);
observable.SourceProperty = 42;
Assert.AreEqual(42, indirectComputed.ComputedProperty);
WeakReference weakIndirectComputed = new WeakReference(indirectComputed);
GC.Collect();
Assert.IsTrue(weakIndirectComputed.IsAlive, "Since we hold a strong reference to the dependent, the object should still be alive.");
// This assertion here to make sure the dependent is not optimized away.
Assert.AreEqual(42, indirectComputed.ComputedProperty);
indirectComputed = null;
GC.Collect();
Assert.IsFalse(weakIndirectComputed.IsAlive, "Since we released the strong reference to the dependent, the object should not be alive.");
// Make sure we can still modify the observable, and that the intermediate still depends upon it.
observable.SourceProperty = 32;
Assert.AreEqual(32, observable.SourceProperty);
Assert.AreEqual(32, intermediate.ComputedProperty);
}
public void DirectComputedObjectCanBeGarbageCollected()
{
GC.Collect();
SourceData observable = new SourceData();
DirectComputed computed = new DirectComputed(observable);
observable.SourceProperty = 42;
Assert.AreEqual(42, computed.ComputedProperty);
WeakReference weakComputed = new WeakReference(computed);
GC.Collect();
Assert.IsTrue(weakComputed.IsAlive, "Since we hold a strong reference to the dependent, the object should still be alive.");
// This assertion here to make sure the dependent is not optimized away.
Assert.AreEqual(42, computed.ComputedProperty);
computed = null;
GC.Collect();
Assert.IsFalse(weakComputed.IsAlive, "Since we released the strong reference to the dependent, the object should not be alive.");
// Make sure we can still modify the observable.
observable.SourceProperty = 32;
Assert.AreEqual(32, observable.SourceProperty);
}
public void Initialize()
{
_source = new SourceData();
_intermediateComputed = new DirectComputed(_source);
_computed = new IndirectComputed(_intermediateComputed);
}
public IndirectComputed(DirectComputed indermediateComputed)
{
_indermediateComputed = indermediateComputed;
_property = new Computed<int>(() => _indermediateComputed.ComputedProperty);
}
public void Initialize()
{
_source = new SourceData();
_intermediateComputed = new DirectComputed(_source);
_computed = new IndirectComputed(_intermediateComputed);
}
public void Initialize()
{
_source = new SourceData();
_computed = new DirectComputed(_source);
}
public void Initialize()
{
_source = new SourceData();
_computed = new DirectComputed(_source);
}
public IndirectComputed(DirectComputed indermediateComputed)
{
_indermediateComputed = indermediateComputed;
_property = new Computed <int>(() => _indermediateComputed.ComputedProperty);
}