public void GameIsComplete_ReturnsTrue() { var lightsOutGrid = new LightsOutGrid(); // create a game with a one click finish. lightsOutGrid.StartOneClickFinish(); // grab the light to be clicked that should trigger a win condition. var light = lightsOutGrid.Lights[0][0]; // "click" the light. lightsOutGrid.ToggleLights(light); Assert.IsTrue(lightsOutGrid.Complete); }