public void testAddOperator() { Book symfonia1 = new Book("Symfonia C++ tom 1", 450); Book symfonia2 = new Book("Symfonia C++ tom 2", 500); ReadingDay day = ReadingDay.Get(2014, 10, 5); for (int i = 0; i < 10; ++i) { symfonia1.addReading(5); symfonia1.addReading(2); } //day = day + symfonia1;// +symfonia2; Console.WriteLine("Test"); }