public void TestLibraryBookUsing() { LibraryBook newBook = new LibraryBook(BookType.Comedy, 23); int res1 = newBook.GetFromStack(); bool res2 = newBook.isInStack(); int res3 = newBook.PutToStack(); bool res4 = newBook.isInStack(); Assert.AreEqual(0, res1); Assert.AreEqual(false, res2); Assert.AreEqual(1, res3); Assert.AreEqual(true, res4); }