public void ShouldBeAbleToChangeCreateWrapperFunction()
{
var wrapper1 = new ModelWrapper(new Model { Name = "One" });
var wrapper2 = new ModelWrapper(new Model { Name = "Two" });
var collectionA = new ObservableCollection<Model>();
var wrapper = new ObservableCollectionWrapper<Model, ModelWrapper>(collectionA, item => wrapper1);
collectionA.Add(wrapper1.Source);
wrapper.Contains(wrapper1).ShouldBe(true);
// ---
wrapper.CreateWrapper = item => wrapper2;
collectionA.Add(wrapper2.Source);
wrapper.Contains(wrapper2).ShouldBe(true);
}
public void ShouldRemoveStringWrapperItems()
{
var list = new List<string> { "item1", "Clown", "item1", "Zebra"};
var collectionA = new ObservableCollection<string>();
collectionA.AddRange(list);
var wrappers = new ObservableCollectionWrapper<string, StringWrapper>(collectionA, item => new StringWrapper(item));
wrappers.Count.ShouldBe(4);
var wrapper1 = wrappers[0];
var wrapper2 = wrappers[1];
var wrapper3 = wrappers[2];
var wrapper4 = wrappers[3];
collectionA.RemoveAt(2);
wrappers.Count.ShouldBe(3);
wrappers.Contains(wrapper1).ShouldBe(true);
wrappers.Contains(wrapper3).ShouldBe(false); // Should remove the 3rd item, not the 1st item (of the same string value).
}