public void SevenDayAvgTest() { WeightList wl = new WeightList(items); Assert.AreEqual(93.42857142, wl.SevenDayAvg(), 0.01); List <TodoItem> item1 = new List <TodoItem>( new TodoItem[] { new TodoItem(90, 4000, new DateTime(2019, 1, 1)), new TodoItem(92, 4000, new DateTime(2019, 1, 3)), new TodoItem(95, 4000, new DateTime(2019, 1, 6)), new TodoItem(96, 4000, new DateTime(2019, 1, 7)), // week new TodoItem(97, 4000, new DateTime(2019, 1, 8)), new TodoItem(99, 4000, new DateTime(2019, 1, 10)), new TodoItem(90, 4000, new DateTime(2019, 1, 11)), new TodoItem(90, 4000, new DateTime(2019, 1, 12)), }); wl = new WeightList(item1); Assert.AreEqual(94.5, wl.SevenDayAvg(), 0.01); }