public void can_map_multi_level_nested_objects() { var source = new SourceOrderItem { Id = 1, Product = new SourceProduct { Id = 11, Name = "Product 1", Brand = new SourceBrand { Id = 21, Name = "Brand 1" } } }; var mapper = new DefaultObjectMapper(); var includes = new IncludeCollection(); includes.Add("Product.Brand"); var context = new MappingContext(includes); var target = mapper.Map(source, new TargetOrderItem(), typeof(SourceOrderItem), typeof(TargetOrderItem), null, context) as TargetOrderItem; Assert.Equal(1, target.Id); Assert.NotNull(target.Product); Assert.Equal(11, target.Product.Id); Assert.NotNull(target.Product.Brand); Assert.Equal(21, target.Product.Brand.Id); Assert.Equal("Brand 1", target.Product.Brand.Name); }