/// <summary> /// Get All Possible Characters Combination /// </summary> /// <param name="number"></param> /// <returns></returns> public string GetAllCombinations(int number) { try { var stringFromNumber = DataMapping.GetCharactersByNumber(number); //Convert the string into a character array var charArray = stringFromNumber.ToCharArray(); CreateCombination(charArray, 0, charArray.Length - 1); return(_stringResult.ToString()); } catch (Exception exception) { return(exception.Message); } }
public void GetCharactersByNumberTest() { var result = DataMapping.GetCharactersByNumber(2); Assert.AreEqual(result, "ABC"); }