public void GetTailOfEmptyList_ThrowsInvalidOperationException()
{
DLList <T> list = new DLList <T>();
T sampleValue = CreateSampleValue();
list.GetTail(sampleValue);
}
public void GetTailOfSingleElementList_ReturnsZeroLengthArray()
{
DLList <T> list = new DLList <T>();
T sampleValue = this.CreateSampleValue();
list.Append(sampleValue);
T[] tailOfList = list.GetTail(sampleValue);
int tailLength = tailOfList.Length;
Assert.AreEqual(0, tailLength);
}
AppendTwoElements_GetTailOfFirstElementInTwoElementsList_ReturnsArrayWithOneElementSecondInList()
{
DLList <T> list = new DLList <T>();
T firsElement = this.CreateDifferentValue();
T secondElement = this.CreateSampleValue();
list.Append(firsElement);
list.Append(secondElement);
T[] resultTail = list.GetTail(firsElement);
T[] expectedTail = new T[] { secondElement };
CollectionAssert.AreEqual(expectedTail, resultTail);
}