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); }