public void TFTest()
{
var doc = new Document(new List <string>()
{
"АААА", "АААА", "АААА", "БББ", "ЗАС"
});
TF tfEvaluator = new TF(doc);
Assert.AreEqual(3.0 / doc.Length, tfEvaluator.Evaluate(doc[0]), eps);
Assert.AreEqual(1.0 / doc.Length, tfEvaluator.Evaluate(doc[3]), eps);
Assert.AreEqual(1.0 / doc.Length, tfEvaluator.Evaluate(doc[4]), eps);
}
