public void InsertRangeValidations(T[] items, Func <T[], IEnumerable <T> > constructIEnumerable)
{
var list = new DoublyCircularLinkedList <T>(constructIEnumerable(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.InsertRange(bad[i], constructIEnumerable(items))); //"ArgumentOutOfRangeException expected"
}
Assert.Throws <ArgumentNullException>(() => list.InsertRange(0, null)); //"ArgumentNullException expected."
}
public void InsertRangeList(T[] itemsX, T[] itemsY, int index, int repeat, Func <T[], IEnumerable <T> > constructIEnumerable)
{
var list = new DoublyCircularLinkedList <T>(constructIEnumerable(itemsX));
for (var i = 0; i < repeat; i++)
{
list.InsertRange(index, new DoublyCircularLinkedList <T>(constructIEnumerable(itemsY)));
}
foreach (var item in itemsY)
{
Assert.Contains(item, list); //"Should contain the item."
}
Assert.Equal(list.Count, itemsX.Length + (itemsY.Length * repeat)); //"Should have the same result."
for (var i = 0; i < index; i++)
{
Assert.Equal(list[i], itemsX[i]); //"Should have the same result."
}
for (var i = index; i < index + (itemsY.Length * repeat); i++)
{
Assert.Equal(list[i], itemsY[(i - index) % itemsY.Length]); //"Should have the same result."
}
for (var i = index + (itemsY.Length * repeat); i < list.Count; i++)
{
Assert.Equal(list[i], itemsX[i - (itemsY.Length * repeat)]); //"Should have the same result."
}
}