public static WarehouseWithArray GetSampleInstance() { WarehouseWithArray w = new WarehouseWithArray() { Name = "Foo Warehousing Ltd.", Address = "No. 10, Some Ave., Some City, Some Country", Area = 120000.50, // square meters Items = new PossibleItems[] { PossibleItems.Item3, PossibleItems.Item6, PossibleItems.Item9, PossibleItems.Item12 }, }; return w; }