public void SubscribeToChanges_OneFirstLevelPropertyChangesWithTwoLevelAccessTree_FiresExpectedChange()
{
InitializeTargetBrothersAgeAccess();
NotifyingPerson person = new NotifyingPerson();
person.Brother = new NotifyingPerson();
int callCount = 0;
var callbackSubscription = _target.CreateCallbackSubscription <PropertyAccessTreeNotifyingPropertyChangeTest>(
(me, sender, args) =>
{
Assert.AreEqual(this, me);
Assert.AreEqual(person, sender);
callCount++;
});
callbackSubscription.SubscribeToChanges(
person,
this);
person.Brother = new NotifyingPerson();
Assert.AreEqual(1, callCount);
}
public void UnsubscribeFromChanges_OneSecondLevelPropertyChanges_DoesNotFireChange()
{
InitializeTargetBrothersAgeAccess();
NotifyingPerson person = new NotifyingPerson();
person.Brother = new NotifyingPerson();
int callCount = 0;
var callbackSubscription = _target.CreateCallbackSubscription <PropertyAccessTreeNotifyingPropertyChangeTest>(
(me, sender, args) =>
{
Assert.AreEqual(this, me);
Assert.AreEqual(person, sender);
callCount++;
});
callbackSubscription.SubscribeToChanges(
person,
this);
callbackSubscription.UnsubscribeFromChanges(person, this);
person.Brother.Age = 1234;
Assert.AreEqual(0, callCount);
}
public void SubscribeToChanges_TwoLevelAndSecondLevelReferenceDropped_SecondLevelIsGarbageCollected()
{
InitializeTargetBrothersAgeAccess();
NotifyingPerson person = new NotifyingPerson();
WeakReference personRef = new WeakReference(person);
NotifyingPerson brother = new NotifyingPerson();
WeakReference brotherRef = new WeakReference(brother);
person.Brother = brother;
var callbackSubscription = _target.CreateCallbackSubscription <PropertyAccessTreeNotifyingPropertyChangeTest>(
(me, sender, args) => {});
callbackSubscription.SubscribeToChanges(
person,
this);
brother = null;
person.Brother = null;
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
Assert.IsFalse(brotherRef.IsAlive);
}
public void Setup()
{
_target = new PropertyAccessTree();
_person = new NotifyingPerson();
_ageProperty = typeof(NotifyingPerson).GetProperty("Age");
_brotherProperty = typeof(NotifyingPerson).GetProperty("Brother");
}
public void Setup()
{
_target = new PropertyAccessTree();
_person = new NotifyingPerson();
_ageProperty = typeof(NotifyingPerson).GetProperty("Age");
_brotherProperty = typeof(NotifyingPerson).GetProperty("Brother");
}
public void SubscribeToChanges_AllReferencesToSubjectDropped_SubjectIsGarbageCollected()
{
InitializeTargetJustAgeAccess();
NotifyingPerson person = new NotifyingPerson();
WeakReference personRef = new WeakReference(person);
var callbackSubscription = _target.CreateCallbackSubscription <PropertyAccessTreeNotifyingPropertyChangeTest>(
(me, sender, args) => { });
callbackSubscription.SubscribeToChanges(
person,
this);
person = null;
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
Assert.IsFalse(personRef.IsAlive);
}
public void SubscribeToChanges_AllReferencesToSubjectDropped_SubjectIsGarbageCollected()
{
InitializeTargetJustAgeAccess();
NotifyingPerson person = new NotifyingPerson();
WeakReference personRef = new WeakReference(person);
var callbackSubscription = _target.CreateCallbackSubscription<PropertyAccessTreeNotifyingPropertyChangeTest>(
(me, sender, args) => { });
callbackSubscription.SubscribeToChanges(
person,
this);
person = null;
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
Assert.IsFalse(personRef.IsAlive);
}
public void SubscribeToChanges_OneFirstLevelPropertyChangesWithTwoLevelAccessTree_FiresExpectedChange()
{
InitializeTargetBrothersAgeAccess();
NotifyingPerson person = new NotifyingPerson();
person.Brother = new NotifyingPerson();
int callCount = 0;
var callbackSubscription = _target.CreateCallbackSubscription<PropertyAccessTreeNotifyingPropertyChangeTest>(
(me, sender, args) =>
{
Assert.AreEqual(this, me);
Assert.AreEqual(person, sender);
callCount++;
});
callbackSubscription.SubscribeToChanges(
person,
this);
person.Brother = new NotifyingPerson();
Assert.AreEqual(1, callCount);
}
public void UnsubscribeFromChanges_OneSecondLevelPropertyChanges_DoesNotFireChange()
{
InitializeTargetBrothersAgeAccess();
NotifyingPerson person = new NotifyingPerson();
person.Brother = new NotifyingPerson();
int callCount = 0;
var callbackSubscription = _target.CreateCallbackSubscription<PropertyAccessTreeNotifyingPropertyChangeTest>(
(me, sender, args) =>
{
Assert.AreEqual(this, me);
Assert.AreEqual(person, sender);
callCount++;
});
callbackSubscription.SubscribeToChanges(
person,
this);
callbackSubscription.UnsubscribeFromChanges(person, this);
person.Brother.Age = 1234;
Assert.AreEqual(0, callCount);
}
public void SubscribeToChanges_TwoLevelAndSecondLevelReferenceDropped_SecondLevelIsGarbageCollected()
{
InitializeTargetBrothersAgeAccess();
NotifyingPerson person = new NotifyingPerson();
WeakReference personRef = new WeakReference(person);
NotifyingPerson brother = new NotifyingPerson();
WeakReference brotherRef = new WeakReference(brother);
person.Brother = brother;
var callbackSubscription = _target.CreateCallbackSubscription<PropertyAccessTreeNotifyingPropertyChangeTest>(
(me, sender, args) => {});
callbackSubscription.SubscribeToChanges(
person,
this);
brother = null;
person.Brother = null;
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
Assert.IsFalse(brotherRef.IsAlive);
}
