public void RemoveAtIfEmpty()
{
using var list = new PoolingListRef <object>();
Assert.AreEqual(0, list.Count);
Assert.Throws <IndexOutOfRangeException>(() => { list.RemoveAt(0); });
}
public void SingleAdditionAndRemoveAt()
{
using var list = new PoolingListRef <object>();
list.Add(30);
list.RemoveAt(0);
Assert.AreEqual(0, list.Count);
Assert.Throws <IndexOutOfRangeException>(() => { var _ = list[0]; });
}