public void When_adding_item_by_initialize_then_change_tracking_should_work()
{
//// Arrange
var source = new MtObservableCollection <SampleClass>
{
new SampleClass {
First = "a", Last = "b"
},
new SampleClass {
First = "a", Last = "b"
},
new SampleClass {
First = "b", Last = "c"
},
new SampleClass {
First = "b", Last = "c"
},
};
//// Act
var view = new ObservableCollectionView <SampleClass>(source);
view.TrackItemChanges = true;
view.Filter = c => c.First == "a";
var item = new SampleClass {
First = "b", Last = "c"
};
var copy = source.ToList();
copy.Add(item);
source.Initialize(copy);
item.First = "a";
//// Assert
Assert.AreEqual(3, view.Count);
}
public void When_adding_item_then_change_tracking_should_work()
{
//// Arrange
var source = new ObservableCollection<SampleClass>
{
new SampleClass {First = "a", Last = "b"},
new SampleClass {First = "a", Last = "b"},
new SampleClass {First = "b", Last = "c"},
new SampleClass {First = "b", Last = "c"},
};
//// Act
var view = new ObservableCollectionView<SampleClass>(source);
view.TrackItemChanges = true;
view.Filter = c => c.First == "a";
var item = new SampleClass { First = "b", Last = "c" };
source.Add(item);
item.First = "a";
//// Assert
Assert.AreEqual(3, view.Count);
}
