public void MultipleFieldBasedAspectsShouldUnsubscribeProperly()
{
var o = new ClassWithMultipleAspects();
var collectionChangeCount = 0;
var propertyChangeCount = 0;
((INotifyCollectionChanged)o).CollectionChanged += delegate { collectionChangeCount++; };
((INotifyPropertyChanged)o).PropertyChanged += delegate { propertyChangeCount++; };
// replace collection should result in correct subscribe / unsubscribe in the aspecs
var oldItems = o.Items;
o.Items = new EventedList <ClassWithPropertyChangedAspect>();
// first add item and change its property in the new list
var item = new ClassWithPropertyChangedAspect();
o.Items.Add(item); // <-- bubbles collection changed
item.Name = "bubble property changed"; // <-- bubbles property changed
// then add item and change its property in the old list
// ERROR IS HERE, adding items to oldItems should not fire events in "o"
item = new ClassWithPropertyChangedAspect();
oldItems.Add(item); // <-- bubbles collection changed
item.Name = "bubble property changed"; // <-- bubbles property changed
collectionChangeCount
.Should().Be.EqualTo(1);
propertyChangeCount
.Should().Be.EqualTo(2);
}
public void MultipleFieldBasedAspectsShouldBubbleEventsOnlyOnce()
{
var o = new ClassWithMultipleAspects();
var collectionChangeCount = 0;
var propertyChangeCount = 0;
((INotifyCollectionChanged)o).CollectionChanged += delegate { collectionChangeCount++; };
((INotifyPropertyChanged)o).PropertyChanged += delegate { propertyChangeCount++; };
var item = new ClassWithPropertyChangedAspect();
o.Items.Add(item); // <-- bubbles collection changed
item.Name = "bubble property changed"; // <-- bubbles property changed
collectionChangeCount
.Should().Be.EqualTo(1);
propertyChangeCount
.Should().Be.EqualTo(1);
}
public void MultipleFieldBasedAspectsShouldBubbleEventsOnlyOnce()
{
var o = new ClassWithMultipleAspects();
var collectionChangeCount = 0;
var propertyChangeCount = 0;
((INotifyCollectionChanged)o).CollectionChanged += delegate { collectionChangeCount++; };
((INotifyPropertyChanged)o).PropertyChanged += delegate { propertyChangeCount++; };
var item = new ClassWithPropertyChangedAspect();
o.Items.Add(item); // <-- bubbles collection changed
item.Name = "bubble property changed";// <-- bubbles property changed
collectionChangeCount
.Should().Be.EqualTo(1);
propertyChangeCount
.Should().Be.EqualTo(1);
}
public void MultipleFieldBasedAspectsShouldUnsubscribeProperly()
{
var o = new ClassWithMultipleAspects();
var collectionChangeCount = 0;
var propertyChangeCount = 0;
((INotifyCollectionChanged) o).CollectionChanged += delegate { collectionChangeCount++; };
((INotifyPropertyChanged) o).PropertyChanged += delegate { propertyChangeCount++; };
// replace collection should result in correct subscribe / unsubscribe in the aspecs
var oldItems = o.Items;
o.Items = new EventedList<ClassWithPropertyChangedAspect>();
// first add item and change its property in the new list
var item = new ClassWithPropertyChangedAspect();
o.Items.Add(item); // <-- bubbles collection changed
item.Name = "bubble property changed";// <-- bubbles property changed
// then add item and change its property in the old list
// ERROR IS HERE, adding items to oldItems should not fire events in "o"
item = new ClassWithPropertyChangedAspect();
oldItems.Add(item); // <-- bubbles collection changed
item.Name = "bubble property changed";// <-- bubbles property changed
collectionChangeCount
.Should().Be.EqualTo(1);
propertyChangeCount
.Should().Be.EqualTo(2);
}
