public void ConvertTest() { ModelClass model = new ModelClass() { id = "234234234sdfsdfsdfsdfsdfsdf", number = "23", Name = "allen", IsRight = "true", IsWrong = "false", Date = "2017-09-09", CreateDate = "2017-12-12", childs = new List <ModelClassChild>() { new ModelClassChild() { id = "1111", childname = "child1" }, new ModelClassChild() { id = "2222", childname = "child2" } } }; var convertSuccess = true; try { EntityClass entity = new EntityClass(); entity = ObjectConvert.Convert <ModelClass, EntityClass>(model); ModelClass cM = ObjectConvert.Convert <EntityClass, ModelClass>(entity); } catch (Exception e) { convertSuccess = false; } Assert.IsTrue(convertSuccess); }