public void BasicInsert(T[] items, T item, int index, int repeat)
{
var list = new DoublyCircularLinkedList <T>(items);
for (var i = 0; i < repeat; i++)
{
list.Insert(index, item);
}
Assert.Contains(item, list); //"Expect it to contain the item."
Assert.Equal(list.Count, items.Length + repeat); //"Expect to be the same."
for (var i = 0; i < index; i++)
{
Assert.Equal(list[i], items[i]); //"Expect to be the same."
}
for (var i = index; i < index + repeat; i++)
{
Assert.Equal(list[i], item); //"Expect to be the same."
}
for (var i = index + repeat; i < list.Count; i++)
{
Assert.Equal(list[i], items[i - repeat]); //"Expect to be the same."
}
}
public void InsertValidations(T[] items)
{
var list = new DoublyCircularLinkedList <T>(items);
var bad = new int[] { items.Length + 1, items.Length + 2, int.MaxValue, -1, -2, int.MinValue };
for (var i = 0; i < bad.Length; i++)
{
Assert.Throws <ArgumentOutOfRangeException>(() => list.Insert(bad[i], items[0])); //"ArgumentOutOfRangeException expected."
}
}