}
		}
	})

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

		user.Toys = []Toy{{Name: "toy1"}, {Name: "toy2"}}
		if err := DB.Save(&user).Error; err != nil {
			t.Fatalf("errors happened when update: %v", err)
		}

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

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

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

	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 {

		*GetUser("slice-hasmany-2", Config{Toys: 0, Tools: 2}),
		*GetUser("slice-hasmany-3", Config{Toys: 4}),
	}

	DB.Create(&users)

	// Count
	AssertAssociationCount(t, users, "Toys", 6, "")
	AssertAssociationCount(t, users, "Tools", 2, "")

	// Find
	var toys []Toy
	if DB.Model(&users).Association("Toys").Find(&toys); len(toys) != 6 {
		t.Errorf("toys count should be %v, but got %v", 6, len(toys))
	}

		*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}),

		*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}),

	}

	if DB.Model(&hamster2).Association("PreferredToy").Count() != 1 {
		t.Errorf("Hamster's toys count should be 1 after Append")
	}

	if DB.Model(&hamster2).Association("OtherToy").Count() != 1 {
		t.Errorf("Hamster's toys count should be 1 after Append")
	}

	// Replace
	DB.Model(&hamster).Association("PreferredToy").Replace(&Toy{
		Name: "bike 3",
	})

	}

	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
	DB.Model(&pets).Association("Toy").Append(
		&Toy{Name: "toy-slice-append-1"},
		&Toy{Name: "toy-slice-append-2"},

package tests

import (
	"database/sql"
	"time"

	"gorm.io/gorm"
)

// User has one `Account` (has one), many `Pets` (has many) and `Toys` (has many - polymorphic)
// 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)

		ID  int
		Cat struct {
			Name string
			Toy  Toy   `gorm:"polymorphic:Owner;"`
			Toys []Toy `gorm:"polymorphic:Owner;"`
		} `gorm:"embedded;embeddedPrefix:cat_"`
		Dog struct {
			ID     int
			Name   string
			UserID int
			Toy    Toy   `gorm:"polymorphic:Owner;"`
			Toys   []Toy `gorm:"polymorphic:Owner;"`
		}
		Toys []Toy `gorm:"polymorphic:Owner;"`
	}