public void given_blist_when_item_removed_then_collectionchanged_raised()
{
var blist = new BList<int>();
var initial = new int[32].Select(_ => _random.Next()).ToArray();
var expected = initial[16];
blist.AddRange(initial);
NotifyCollectionChangedEventArgs args = null;
blist.CollectionChanged += (_, a) => args = a;
blist.RemoveAt(16);
Assert.That(args, Is.Not.Null);
Assert.That(args.Action, Is.EqualTo(NotifyCollectionChangedAction.Remove));
Assert.That(args.OldStartingIndex, Is.EqualTo(16));
Assert.That(args.OldItems[0], Is.EqualTo(expected));
}
given_existing_blist_when_elements_are_removed_by_index_with_zero_index_then_blist_iterator_should_return_correct_elements
()
{
var initial = new int[512].Select(_ => _random.Next()).ToArray();
var expected = initial.Skip(32).ToArray();
var blist = new BList<int>();
foreach (var item in initial)
blist.Add(item);
for (int i = 0; i < 32; i++)
{
blist.RemoveAt(0);
}
Assert.That(blist.Count, Is.EqualTo(480));
CollectionAssert.AreEqual(expected, blist);
}
