AssertAssociationCount(t, users, "Manager", 3, "After Append")

	if err := DB.Model(&users).Association("Manager").Append(
		GetUser("manager-slice-belongs-to-test-1", Config{}),
	).Error; err == nil {
		t.Errorf("unmatched length when update user's manager")
	}

	// Replace -> same as append

	// Delete
	if err := DB.Model(&users).Association("Company").Delete(&users[0].Company); err != nil {

				t.Errorf("Failed, expected %v, got %v", address1.Name, info.Address.Name)
			}
		}
	}

	if !personMatched {
		t.Errorf("Failed, no person matched")
	}
	if !addressMatched {
		t.Errorf("Failed, no address matched")
	}

	personDupField := Person{ID: person1.ID}
	if err := DB.Select("people.id, people.*").
		First(&personDupField).Error; err != nil {

				matched := true
				for idx, ref := range r.References {
					if !(rel.References[idx].PrimaryKey == ref.PrimaryKey && rel.References[idx].ForeignKey == ref.ForeignKey &&
						rel.References[idx].PrimaryValue == ref.PrimaryValue) {
						matched = false
					}
				}

				if matched {
					return nil
				}
			}
		}
	}

	var (