public void ClearAll() { var ws = new WeatherStation(); ws.AcceptReading(new Reading(20m, 25m, 0.01m, WindDirection.Unknown)); ws.AcceptReading(new Reading(21m, 25m, 0.00m, WindDirection.Unknown)); ws.ClearAll(); object[] expected = { false, 0m }; object[] actual = { ws.HasHistory, ws.LatestTemperature }; Assert.Equal(expected, actual); }