public void RemoveRangeThenInsert()
{
_source.AddRange(Enumerable.Range(1, 5));
_source.RemoveRange(1, 3);
_source.Insert(1, 3);
_results.Data.Items.ShouldAllBeEquivalentTo(new[] { 5, 3, 1 });
}
public void RemoveRangeThenInsert()
{
_source.AddRange(Enumerable.Range(1, 5));
_source.RemoveRange(1, 3);
_source.Insert(1, 3);
CollectionAssert.AreEquivalent(new[] { 5, 3, 1 }, _results.Data.Items);
}
public void InsertAtTarget(object target, T item, bool before)
{
if (target is not T targetItem)
{
return;
}
var targetIndex = _sourceList.Items.IndexOf(targetItem);
if (targetIndex >= _sourceList.Count)
{
return;
}
if (targetIndex >= 0)
{
if (!before)
{
targetIndex++;
}
_sourceList.Insert(targetIndex, item);
}
else
{
_sourceList.Add(item);
}
}
public void InsertInPageReflectsChange()
{
var people = _generator.Take(100).ToArray();
_source.AddRange(people);
var newPerson = new Person("A", 1);
_source.Insert(10, newPerson);
var message = _results.Messages[1].ElementAt(0);
var removedPerson = people.ElementAt(24);
Assert.AreEqual(newPerson, _results.Data.Items.ElementAt(10));
Assert.AreEqual(removedPerson, message.Item.Current);
Assert.AreEqual(ListChangeReason.Remove, message.Reason);
}
