} else {
		sort.Slice(users2[2].Pets, func(i, j int) bool {
			return users2[2].Pets[i].ID < users2[2].Pets[j].ID
		})

		for _, pet := range users2[2].Pets[0:2] {
			if pet.Toy.Name != "" {
				t.Errorf("No toy should for user %v's pet %v but got %v", 3, pet.Name, pet.Toy.Name)
			}
		}

		CheckPet(t, *users2[2].Pets[2], *users[2].Pets[2])
	}
}

func TestPreloadEmptyData(t *testing.T) {

		*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}),

import (
	"database/sql"
	"time"

	"gorm.io/gorm"
	"gorm.io/gorm/utils/tests"
)

type User struct {
	*gorm.Model
	Name      *string
	Age       *uint
	Birthday  *time.Time
	Account   *tests.Account
	Pets      []*tests.Pet
	Toys      []*tests.Toy `gorm:"polymorphic:Owner"`
	CompanyID *int
	Company   *tests.Company
	ManagerID *uint
	Manager   *User
	Team      []*User           `gorm:"foreignkey:ManagerID"`

	relations := []Relation{
		{
			Name: "Account", Type: schema.HasOne, Schema: "User", FieldSchema: "Account",
			References: []Reference{{"ID", "User", "UserID", "Account", "", true}},
		},
		{
			Name: "Pets", Type: schema.HasMany, Schema: "User", FieldSchema: "Pet",
			References: []Reference{{"ID", "User", "UserID", "Pet", "", true}},
		},
		{
			Name: "Toys", Type: schema.HasMany, Schema: "User", FieldSchema: "Toy",

		t.Fatalf("errors happened when create: %v", err)
	}

	user.Pets = []*Pet{{Name: "pet1"}, {Name: "pet2"}}
	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

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

	for _, pet := range user.Pets {
		pet.Name += "new"
	}

	if err := DB.Save(&user).Error; err != nil {

			children, parent.Children)
	}
}

func TestAssociationError(t *testing.T) {
	user := *GetUser("TestAssociationError", Config{Pets: 2, Company: true, Account: true, Languages: 2})
	DB.Create(&user)

	var user1 User
	DB.Preload("Company").Preload("Pets").Preload("Account").Preload("Languages").First(&user1)

	var emptyUser User
	var err error
	// belongs to

	}
}

func TestQueryWithAssociation(t *testing.T) {
	user := *GetUser("query_with_association", Config{Account: true, Pets: 2, Toys: 1, Company: true, Manager: true, Team: 2, Languages: 1, Friends: 3})

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