} else if len(users2) != len(users) {
		t.Fatalf("Failed to load join users, got: %v, expect: %v", len(users2), len(users))
	}

	sort.Slice(users2, func(i, j int) bool {
		return users2[i].ID > users2[j].ID
	})

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

	for idx, user := range users {
		// user
		CheckUser(t, user, users2[idx])

	if user6.Name != "find or init" || user6.ID == 0 || user6.Age != 44 {
		t.Errorf("user should be found and updated with assigned attrs")
	}
}

func TestFindOrCreate(t *testing.T) {
	var user1, user2, user3, user4, user5, user6, user7, user8 User
	if err := DB.Where(&User{Name: "find or create", Age: 33}).FirstOrCreate(&user1).Error; err != nil {
		t.Errorf("no error should happen when FirstOrInit, but got %v", err)
	}

	}

	var user4 *User
	DB.Preload("Pets.Toy").Find(&user4, "id = ?", user.ID)
	if len(user4.Pets) != 0 {
		t.Fatalf("User.Pet[0] was deleted and should not exist.")
	}

	var user5 User
	DB.Unscoped().Preload(clause.Associations+"."+clause.Associations).Find(&user5, "id = ?", user.ID)
	CheckUserUnscoped(t, user5, user)

	var user6 *User
	DB.Unscoped().Preload("Pets.Toy").Find(&user6, "id = ?", user.ID)

func TestCount(t *testing.T) {
	var (
		user1                 = *GetUser("count-1", Config{})
		user2                 = *GetUser("count-2", Config{})
		user3                 = *GetUser("count-3", Config{})
		users                 []User
		count, count1, count2 int64
	)

	DB.Save(&user1).Save(&user2).Save(&user3)

	if err := DB.Where("name = ?", user1.Name).Or("name = ?", user3.Name).Find(&users).Count(&count).Error; err != nil {

		t.Errorf("failed to query users, got error %#v", err)
	}
	user2.Manager = &User{}
	DB.Model(&user2).Association("Manager").Find(user2.Manager)
	CheckUser(t, user2, user)

	// Count
	AssertAssociationCount(t, user, "Company", 1, "")
	AssertAssociationCount(t, user, "Manager", 1, "")

	// Append
	company := Company{Name: "company-belongs-to-append"}
	manager := GetUser("manager-belongs-to-append", Config{})

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

	CheckUser(t, user, user)

	// Find
	var user2 User
	DB.Find(&user2, "id = ?", user.ID)
	DB.Model(&user2).Association("Team").Find(&user2.Team)
	CheckUser(t, user2, user)

	// Count
	AssertAssociationCount(t, user, "Team", 2, "")

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

	if users[1].Name != "update_column_02_newname" || users[1].Age != 100 {
		t.Errorf("user 2 should be updated with update column")
	}
	AssertEqual(t, lastUpdatedAt.UnixNano(), users[1].UpdatedAt.UnixNano())

	// user2 should not be updated
	var user1, user2 User
	DB.First(&user1, users[0].ID)
	DB.First(&user2, users[1].ID)
	CheckUser(t, user1, *users[0])
	CheckUser(t, user2, *users[1])

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

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

	var user3 User
	DB.Preload("Company").Preload("Manager").Find(&user3, "id = ?", user.ID)
	CheckUser(t, user2, user3)

		CheckUser(t, user2, user)

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

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

		var user3 User
		DB.Preload("Toys").Find(&user3, "id = ?", user.ID)
		CheckUser(t, user2, user3)

)

func TestHasOneAssociation(t *testing.T) {
	user := *GetUser("hasone", Config{Account: true})

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

	CheckUser(t, user, user)

	// Find
	var user2 User
	DB.Find(&user2, "id = ?", user.ID)
	DB.Model(&user2).Association("Account").Find(&user2.Account)
	CheckUser(t, user2, user)

	// Count