public void GetHeadElementFromOneElementList_ReturnsElement() { T sampleValue = this.CreateSampleValue(); DLList <T> list = new DLList <T>(); list.Append(sampleValue); T headValue = list.GetHead(); Assert.AreEqual(sampleValue, headValue); }
public void GetHeadElementFromEmptyList_ThrowsInvalidOperationException() { DLList <T> list = new DLList <T>(); list.GetHead(); }