public void ReplaceExistingSublist_OldSublistEmpty_FiresAddCollectionChanged()
{
Person replacement = new Person("Ninja", 23);
ClinqTestFactory.InitializeParents(replacement);
_source[1].Parents = new ObservableCollection <Person>();
int callCount = 0;
_target.CollectionChanged += (sender, args) =>
{
callCount++;
Assert.AreEqual(NotifyCollectionChangedAction.Add, args.Action);
Assert.AreEqual(2, args.NewStartingIndex);
CollectionAssert.AreEquivalent(replacement.Parents, args.NewItems);
Assert.AreEqual(4, _target.Count);
Assert.AreEqual("BobParent0", _target[0].Name);
Assert.AreEqual("BobParent1", _target[1].Name);
Assert.AreEqual("NinjaParent0", _target[2].Name);
Assert.AreEqual("NinjaParent1", _target[3].Name);
};
_source[1] = replacement;
Assert.AreEqual(1, callCount);
}
public void AddNewSublistToSource_Always_FireCollectionChangedEvent()
{
Person newPerson = new Person("Ninja", 23);
ClinqTestFactory.InitializeParents(newPerson);
int callCount = 0;
_target.CollectionChanged += (sender, args) =>
{
callCount++;
Assert.AreEqual(NotifyCollectionChangedAction.Add, args.Action);
Assert.AreEqual(2, args.NewStartingIndex);
CollectionAssert.AreEquivalent(newPerson.Parents, args.NewItems);
};
_source.Insert(1, newPerson);
Assert.AreEqual(1, callCount);
Assert.AreEqual(6, _target.Count);
Assert.AreEqual("BobParent0", _target[0].Name);
Assert.AreEqual("BobParent1", _target[1].Name);
Assert.AreEqual("NinjaParent0", _target[2].Name);
Assert.AreEqual("NinjaParent1", _target[3].Name);
Assert.AreEqual("JimParent0", _target[4].Name);
Assert.AreEqual("JimParent1", _target[5].Name);
}
public void ReplaceItemInSource_Always_FireCollectionChangedEvent()
{
Person replacement = new Person("Ninja", 23);
ClinqTestFactory.InitializeParents(replacement);
int callCount = 0;
_target.CollectionChanged += (sender, args) =>
{
callCount++;
TestUtilities.AssertReplace(args, 2, replacement.Parents.ToArray(), _parents[1].ToArray());
};
_source[1] = replacement;
Assert.AreEqual(1, callCount);
}
public void ReplaceItemInSource_Always_FireCollectionChangedEvent()
{
Person replacement = new Person("Ninja", 23);
ClinqTestFactory.InitializeParents(replacement);
int callCount = 0;
_target.CollectionChanged += (sender, args) =>
{
Assert.AreEqual(NotifyCollectionChangedAction.Replace, args.Action);
Assert.AreEqual(2 + callCount, args.NewStartingIndex);
Assert.AreEqual(replacement.Parents[callCount], args.NewItems[0]);
Assert.AreEqual(_parents[1][callCount], args.OldItems[0]);
callCount++;
};
_source[1] = replacement;
Assert.AreEqual(2, callCount);
}
