public void TestSizeOfActorList_Returns_SizeList() { IRepository <Actor> actors = new ActorRepository(); actors.Add(new Actor("Emilia", "Lviv", 5, 1)); actors.Add(new Actor("John", "Lviv", 6, 3)); actors.Add(new Actor("Billy", "Kyiv", 10, 10)); int sizeActual = actors.GetSizeArr(); int sizeExpected = actors.Array().Count; //assert Assert.AreEqual(sizeActual, sizeExpected); }