DB.Create(&lang)
	}
	user.Friends = []*User{{Name: "friend-1"}, {Name: "friend-2"}}

	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user2 User
	DB.Preload("Languages").Preload("Friends").Find(&user2, "id = ?", user.ID)
	CheckUser(t, user2, user)

	for idx := range user.Friends {
		user.Friends[idx].Name += "new"
	}

		}
	})

	t.Run("Friends", func(t *testing.T) {
		if len(user.Friends) != len(expect.Friends) {
			t.Fatalf("Friends should equal, expect: %v, got %v", len(expect.Friends), len(user.Friends))
		}

		sort.Slice(user.Friends, func(i, j int) bool {
			return user.Friends[i].ID > user.Friends[j].ID
		})

		sort.Slice(expect.Friends, func(i, j int) bool {

	// Append
	friend := *GetUser("friend", Config{})

	if err := DB.Model(&user2).Association("Friends").Append(&friend); err != nil {
		t.Fatalf("Error happened when append account, got %v", err)
	}

	user.Friends = append(user.Friends, &friend)
	CheckUser(t, user2, user)

	AssertAssociationCount(t, user, "Friends", 3, "AfterAppend")

		*GetUser("bulk_5", Config{Account: false, Pets: 0, Toys: 3, Company: true, Manager: false, Team: 1, Languages: 3, Friends: 1}),
		*GetUser("bulk_6", Config{Account: true, Pets: 4, Toys: 3, Company: false, Manager: true, Team: 1, Languages: 3, Friends: 0}),
		*GetUser("bulk_7", Config{Account: true, Pets: 1, Toys: 3, Company: true, Manager: true, Team: 4, Languages: 3, Friends: 1}),

	result.Friends = append(user.Friends, result.Friends...)

	sort.Slice(result.Pets, func(i, j int) bool {
		return result.Pets[i].ID < result.Pets[j].ID
	})
	sort.Slice(result.Team, func(i, j int) bool {
		return result.Team[i].ID < result.Team[j].ID
	})
	sort.Slice(result.Friends, func(i, j int) bool {
		return result.Friends[i].ID < result.Friends[j].ID
	})

		*GetUser("delete_slice_with_associations2", Config{Account: true, Pets: 3, Toys: 2, Company: true, Manager: true, Team: 2, Languages: 2, Friends: 3}),
		*GetUser("delete_slice_with_associations3", Config{Account: true, Pets: 2, Toys: 3, Company: true, Manager: true, Team: 3, Languages: 3, Friends: 2}),

// He works in a Company (belongs to), he has a Manager (belongs to - single-table), and also managed a Team (has many - single-table)
// He speaks many languages (many to many) and has many friends (many to many - single-table)
// His pet also has one Toy (has one - polymorphic)
// NamedPet is a reference to a named `Pet` (has one)
type User struct {
	gorm.Model
	Name      string
	Age       uint

	DB.Create(&user)

	DB.Preload("Team").Preload("Languages").Preload("Friends").First(&user, "name = ?", user.Name)

	if r, err := json.Marshal(&user); err != nil {
		t.Errorf("failed to marshal users, got error %v", err)
	} else if !regexp.MustCompile(`"Team":\[\],"Languages":\[\],"Friends":\[\]`).MatchString(string(r)) {
		t.Errorf("json marshal is not empty slice, got %v", string(r))
	}

	CompanyID *int
	Company   *tests.Company
	ManagerID *uint
	Manager   *User
	Team      []*User           `gorm:"foreignkey:ManagerID"`
	Languages []*tests.Language `gorm:"many2many:UserSpeak"`
	Friends   []*User           `gorm:"many2many:user_friends"`
	Active    *bool
}

type (
	mytime time.Time
	myint  int
	mybool = bool
)

type AdvancedDataTypeUser struct {
	ID           sql.NullInt64

            <!-- Even after we stop using JSR305 annotations in our own code, we'll want this link so that NullPointerTester's docs can link to @CheckForNull and friends... at least once we start using this config for guava-testlib. -->
            <offlineLink>
              <url>https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.1/</url>