public void CollectionShouldBeUpdated(int oldIndex, int newIndex)
{
Setup();
var items = new MvxObservableCollection <int> {
1, 2, 3, 4, 5, 6
};
var sut = new WrappedObservableCollection <int, string>(items, Factory);
items.Move(oldIndex, newIndex);
Assert.AreEqual(Transform(items), sut);
}
public void CollectionShouldBeUpdated(int oldIndex, int newIndex)
{
Setup();
var items = new MvxObservableCollection <int[]>(new[] { new[] { 1, 2 }, new[] { 3 }, new[] { 4, 5, 6 } });
var flatOldItems = GetFlatItems(items).ToArray();
var flatOldCount = flatOldItems.Length;
var sut = new FlatObservableCollection <int>(items);
items.Move(oldIndex, newIndex);
var flatNewItems = GetFlatItems(items).ToArray();
var flatNewCount = flatNewItems.Length;
Assert.AreEqual(flatOldCount, sut.Count);
Assert.AreEqual(flatNewCount, sut.Count);
Assert.AreEqual(flatNewItems, sut);
}
public void MoveEventShouldBeRaised(int oldIndex, int newIndex)
{
Setup();
var events = new List <NotifyCollectionChangedEventArgs>();
var items = new MvxObservableCollection <int> {
1, 2, 3, 4, 5, 6
};
var changedItems = new[] { Transform(items).ElementAt(oldIndex) };
var sut = new WrappedObservableCollection <int, string>(items, Factory);
sut.CollectionChanged += (_, args) => events.Add(args);
items.Move(oldIndex, newIndex);
Assert.AreEqual(1, events.Count);
Assert.AreEqual(NotifyCollectionChangedAction.Move, events[0].Action);
Assert.AreEqual(oldIndex, events[0].OldStartingIndex);
Assert.AreEqual(newIndex, events[0].NewStartingIndex);
Assert.AreEqual(changedItems, events[0].NewItems);
Assert.AreEqual(changedItems, events[0].OldItems);
}
public void MoveEventShouldBeRaised(int oldIndex, int newIndex)
{
Setup();
var events = new List <NotifyCollectionChangedEventArgs>();
var items = new MvxObservableCollection <int[]>(new[] { new[] { 1, 2 }, new[] { 3 }, new[] { 4, 5, 6 } });
var flatOldIndex = GetFlatSectionIndex(items, oldIndex);
var sut = new FlatObservableCollection <int>(items);
sut.CollectionChanged += (_, args) => events.Add(args);
items.Move(oldIndex, newIndex);
var flatNewIndex = GetFlatSectionIndex(items, newIndex);
var flatNewItems = GetFlatItems(items.Take(newIndex, 1));
Assert.AreEqual(1, events.Count);
Assert.AreEqual(NotifyCollectionChangedAction.Move, events[0].Action);
Assert.AreEqual(flatOldIndex, events[0].OldStartingIndex);
Assert.AreEqual(flatNewIndex, events[0].NewStartingIndex);
Assert.AreEqual(flatNewItems, events[0].NewItems);
Assert.AreEqual(flatNewItems, events[0].OldItems);
}
