public bool ContainsCellTest(int width, int height, int checkX, int checkY) { // Arrange var mapCellsFactory = new Func <IAreaMapCellInternal>(() => new Mock <IAreaMapCellInternal>().Object); var map = new AreaMap(1, mapCellsFactory, width, height); // Act return(map.ContainsCell(checkX, checkY)); }