}
		}
	})

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

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

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

	t.Run("SliceOfPtr", func(t *testing.T) {
		pets := []*Pet{{
			Name: "PolymorphicHasOne-Slice-1",
			Toy:  Toy{Name: "Toy-PolymorphicHasOne-Slice-1"},
		}, {
			Name: "PolymorphicHasOne-Slice-2",
			Toy:  Toy{Name: "Toy-PolymorphicHasOne-Slice-2"},
		}, {
			Name: "PolymorphicHasOne-Slice-3",
			Toy:  Toy{Name: "Toy-PolymorphicHasOne-Slice-3"},
		}}

		if err := DB.Create(&pets).Error; err != nil {

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

	for _, toy := range toys {
		toy := toy
		if toy.ID == 0 {
			t.Fatalf("Toy's ID should be created")
		}

		user.Toys = append(user.Toys, toy)
	}

	CheckUser(t, user2, user)

		{Name: "hasone-2", Toy: Toy{}},
		{Name: "hasone-3", Toy: Toy{Name: "toy-has-one"}},
	}

	DB.Create(&pets)

	// Count
	AssertAssociationCount(t, pets, "Toy", 2, "")

	// Find
	var toys []Toy
	if DB.Model(&pets).Association("Toy").Find(&toys); len(toys) != 2 {
		t.Errorf("toys count should be %v, but got %v", 3, len(toys))
	}

	// Append

		*GetUser("delete_slice_with_associations1", Config{Account: true, Pets: 4, Toys: 1, Company: true, Manager: true, Team: 1, Languages: 1, Friends: 4}),
		*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}),

	result.Languages = append(user.Languages, result.Languages...)
	result.Toys = append(user.Toys, result.Toys...)

	sort.Slice(result.Languages, func(i, j int) bool {
		return strings.Compare(result.Languages[i].Code, result.Languages[j].Code) > 0
	})

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

	sort.Slice(result2.Languages, func(i, j int) bool {

			UserID int
			Toy    Toy   `gorm:"polymorphic:Owner;"`
			Toys   []Toy `gorm:"polymorphic:Owner;"`
		}
		Toys []Toy `gorm:"polymorphic:Owner;"`
	}

	s, err := schema.Parse(&User{}, &sync.Map{}, schema.NamingStrategy{})
	if err != nil {
		t.Fatalf("Failed to parse schema, got error %v", err)
	}

	checkEmbeddedRelations(t, s.Relationships.EmbeddedRelations, map[string]EmbeddedRelations{
		"Cat": {

		Preload("Toys", func(db *gorm.DB) *gorm.DB {
			return db.Table("toys").Select("name")
		}).Count(&count12).Error; err == nil {
		t.Errorf("error should raise when using preload without schema")
	}

	var count13 int64
	if err := DB.Model(User{}).
		Where("name in ?", []string{user1.Name, user2.Name, user3.Name}).
		Preload("Toys", func(db *gorm.DB) *gorm.DB {

	Active    bool
}

type Account struct {
	gorm.Model
	UserID sql.NullInt64
	Number string
}

type Pet struct {
	gorm.Model
	UserID *uint
	Name   string
	Toy    Toy `gorm:"polymorphic:Owner;"`
}

type Toy struct {
	gorm.Model
	Name      string
	OwnerID   string
	OwnerType string
}

type Tools struct {
	gorm.Model
	Name     string
	CustomID string
	Type     string
}

	user := *GetUser("nested_preload", Config{Pets: 1})
	pet := user.Pets[0]
	pet.Toy = Toy{Name: "toy_nested_preload_" + strconv.Itoa(1)}
	pet.Toy = Toy{Name: "toy_nested_preload_" + strconv.Itoa(2)}

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

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

	DB.Delete(&pet)