             expect(linkedList2.indexOf 5, -5).toBe 0
             expect(linkedList2.indexOf 12, -1).toBe 4
             expect(linkedList2.indexOf 0, -3).toBe 3
-
-
-
-

    it "should create a list prepopulated with items of the passed array", ->
        validate linkedList3, 1, 2, 3, 4

describe "Add node", -> 
    describe "at the end", ->
        linkedList = new LinkedList()
        it "should return the value added", ->

        it "should add items in order", ->
            fill linkedList2
            validate linkedList2, "item0", "item1", 5, 2, 9, 0, 12

    describe "using offset", ->
        linkedList = new LinkedList()
        it "should return the value added", ->
