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

	if DB.Delete(&User{}, user1.ID).Error != nil {
		t.Errorf("No error should happen when delete a record")
	} else if err := DB.Where("name = ?", user1.Name).First(&User{}).Error; !errors.Is(err, gorm.ErrRecordNotFound) {
		t.Errorf("User can't be found after delete")
	}

	if err := DB.Delete(&User{}, "name = ?", user2.Name).Error; err != nil {
		t.Errorf("No error should happen when delete a record, err=%s", err)

	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)

	} 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])

    this.ok = ok;
    this.access_token = accessToken;
    this.scope = scope;
    this.user_id = userId;
    this.team_name = teamName;
    this.team_id = teamId;
  }

  @Override public String toString() {
    return String.format("(ok=%s, access_token=%s, scope=%s, user_id=%s, team_name=%s, team_id=%s)",
        ok, access_token, scope, user_id, team_name, team_id);
  }

	if len(users2) != 1 {
		t.Errorf("Should found one user's name is 2, but got %v", len(users2))
	}

	DB.Scopes(NameIn([]string{users[0].Name, users[2].Name})).Find(&users3)
	if len(users3) != 2 {
		t.Errorf("Should found two users's name in 1, 3, but got %v", len(users3))
	}

	db := DB.Scopes(func(tx *gorm.DB) *gorm.DB {
		return tx.Table("custom_table")
	}).Session(&gorm.Session{})

	db.AutoMigrate(&User{})

	CheckUser(t, user2, user)

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

	var user3 User
	DB.Preload("Account").Find(&user3, "id = ?", user.ID)

	CheckUser(t, user2, user3)
	lastUpdatedAt := user2.Account.UpdatedAt
	time.Sleep(time.Second)

	if err := DB.Session(&gorm.Session{FullSaveAssociations: true}).Save(&user).Error; err != nil {

}

// Limit specify the number of records to be retrieved
//
// Limit conditions can be cancelled by using `Limit(-1)`.
//
//	// retrieve 3 users
//	db.Limit(3).Find(&users)
//	// retrieve 3 users into users1, and all users into users2
//	db.Limit(3).Find(&users1).Limit(-1).Find(&users2)
func (db *DB) Limit(limit int) (tx *DB) {
	tx = db.getInstance()
	tx.Statement.AddClause(clause.Limit{Limit: &limit})
	return
}

        assertEquals("Abc", StringUtil.capitalize("abc"));
        assertEquals("Abc", StringUtil.capitalize("Abc"));
        assertEquals("ABC", StringUtil.capitalize("ABC"));
        assertEquals("UserId", StringUtil.capitalize("userId"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testDecapitalize() throws Exception {
        assertEquals("abc", StringUtil.decapitalize("abc"));

	}

	if err := tx.First(&User{}, "name = ?", user1.Name).Error; err == nil {
		t.Fatalf("Should not find rollbacked record")
	}

	if err := tx.SavePoint("save_point2").Error; err != nil {
		t.Fatalf("Failed to save point, got error %v", err)
	}

	user2 := *GetUser("transaction-save-point-2", Config{})
	tx.Create(&user2)

	if err := tx.First(&User{}, "name = ?", user2.Name).Error; err != nil {

			References: []Reference{{"ID", "Company", "CompanyID", "User", "", false}},
		},
		{
			Name: "Manager", Type: schema.BelongsTo, Schema: "User", FieldSchema: "User",
			References: []Reference{{"ID", "User", "ManagerID", "User", "", false}},
		},
		{
			Name: "Team", Type: schema.HasMany, Schema: "User", FieldSchema: "User",
			References: []Reference{{"ID", "User", "ManagerID", "User", "", true}},
		},
		{