public void AddTest()
{
var alphabet = new FrequencyDictionary();
var alphabetTest = new FrequencyDictionary(chain);
string[] words = { "A", "G", "C", "T" };
int power = 1;
alphabet.Add(words[0], alphabetTest[words[0]]);
alphabet.Add(words[0], alphabetTest[words[0]]);
Assert.True(alphabet.Contains(words[0]) && alphabet.Count == power);
}