public void GetLastPairInCollection()
 {
     var actually = new PairsCollection<string, int>();
     actually.Add("Item", 55);
     actually.Add("Item2", 56);
     Assert.AreEqual(Tuple.Create("Item2", 56), actually.GetLastPair());
 }
 public String ShouldWorkingWithIndex(String word, int value)
 {
     var actually = new PairsCollection<string, int>();
     actually.Add(word, value);
     if (actually.Length > 0)
         return actually[0].Item1;
     return null;
 }
 public void ShouldNotGetLastPairInEmptyCollection()
 {
     var actually = new PairsCollection<string, int>();
     Assert.AreEqual(null, actually.GetLastPair());
 }
 public bool ShouldAddDataInCollection(String word, int value)
 {
     var actually = new PairsCollection<string, int>();
     return actually.Add(word, value);
 }