public void FreqGeneratesCorrectly()
{
var bytes = Encoding.ASCII.GetBytes(THE_QBF);
var freq = new FrequencyAnalysis(bytes, FreqTableType.AlphaOnly);
var list = freq.GetFrequencyCounts().ToArray();
Assert.AreEqual(1, list[97], "# A incorrect");
Assert.AreEqual(4, list[111], "# O incorrect");
var vals = list.Where(n => n > 0).ToArray();
CollectionAssert.AreEqual(QBF_COUNTS, vals, "Final counts are incorrect");
double letterAPct = freq.GetFrequencyPctByChar('a');
double letterAPct2 = freq.GetFrequencyPctByChar('A');
Assert.AreEqual(letterAPct, letterAPct2, "Letter A and letter a not equal");
Assert.AreEqual(Math.Round(100.0 / (double)THE_QBF.Length, 5), letterAPct, "Letter A not 1/43 freq");
}