public void IndirectDependentObjectCanBeGarbageCollected()
{
GC.Collect();
SourceData independent = new SourceData();
DirectDependent intermediate = new DirectDependent(independent);
IndirectDependent indirectDependent = new IndirectDependent(intermediate);
independent.SourceProperty = 42;
Assert.AreEqual(42, indirectDependent.DependentProperty);
WeakReference weakIndirectDependent = new WeakReference(indirectDependent);
GC.Collect();
Assert.IsTrue(weakIndirectDependent.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, indirectDependent.DependentProperty);
indirectDependent = null;
GC.Collect();
Assert.IsFalse(weakIndirectDependent.IsAlive, "Since we released the strong reference to the dependent, the object should not be alive.");
// Make sure we can still modify the independent, and that the intermediate still depends upon it.
independent.SourceProperty = 32;
Assert.AreEqual(32, independent.SourceProperty);
Assert.AreEqual(32, intermediate.DependentProperty);
}
public void DirectDependentObjectCanBeGarbageCollected()
{
GC.Collect();
SourceData independent = new SourceData();
DirectDependent dependent = new DirectDependent(independent);
independent.SourceProperty = 42;
Assert.AreEqual(42, dependent.DependentProperty);
WeakReference weakDependent = new WeakReference(dependent);
GC.Collect();
Assert.IsTrue(weakDependent.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, dependent.DependentProperty);
dependent = null;
GC.Collect();
Assert.IsFalse(weakDependent.IsAlive, "Since we released the strong reference to the dependent, the object should not be alive.");
// Make sure we can still modify the independent.
independent.SourceProperty = 32;
Assert.AreEqual(32, independent.SourceProperty);
}
public void Initialize()
{
_source = new SourceData();
_intermediateDependent = new DirectDependent(_source);
_dependent = new IndirectDependent(_intermediateDependent);
}
public void Initialize()
{
_source = new SourceData();
_dependent = new DirectDependent(_source);
}
public void Initialize()
{
_source = new SourceData();
_intermediateDependent = new DirectDependent(_source);
_dependent = new IndirectDependent(_intermediateDependent);
}
public void Initialize()
{
_source = new SourceData();
_dependent = new DirectDependent(_source);
}
public IndirectDependent(DirectDependent indermediateDependent)
{
_indermediateDependent = indermediateDependent;
_property = new Dependent<int>(() => _indermediateDependent.DependentProperty);
}
public IndirectDependent(DirectDependent indermediateDependent)
{
_indermediateDependent = indermediateDependent;
_property = new Dependent <int>(() => _indermediateDependent.DependentProperty);
}