public void RandomlyChangeIndex()
{
RandomGenerator.ResetRandomGenerator();
var list = new ObservableList <int>();
foreach (var value in Enumerable.Range(0, 100))
{
list.Add(list.Count, RandomGenerator.GenerateRandomInteger());
}
var index = new ActiveValue <int>();
var sut = list.ActiveElementAtOrDefault(index);
foreach (var value in Enumerable.Range(0, 100))
{
index.Value = RandomGenerator.GenerateRandomInteger(-10, 110);
Assert.Equal(sut.Value, list.ElementAtOrDefault(index.Value));
}
}