assertEquals("\\", InputValidator.normalizeSmbPath("\\"));
    }

    @ParameterizedTest
    @DisplayName("Test valid usernames")
    @ValueSource(strings = { "user", "user123", "user.name", "user-name", "user_name", "******@****.***" })
    void testValidUsernames(String username) {
        assertDoesNotThrow(() -> InputValidator.validateUsername(username));
    }

    @ParameterizedTest

	DB.Create(&user)

	var user1 User
	DB.Model(&User{}).Joins("NamedPet").Joins("Account").First(&user1, user.ID)
	if user1.NamedPet == nil || user1.Account.ID == 0 {
		t.Fatalf("joins NamedPet and Account should not empty:%v", user1)
	}

	// Account should empty
	DB.Delete(&user1.Account)

	var user2 User
	DB.Model(&User{}).Joins("NamedPet").Joins("Account").First(&user2, user.ID)

	for _, user := range users {
		userIDs = append(userIDs, user.ID)
	}

	var users2 []User
	DB.Preload("Account", clause.Eq{Column: "number", Value: users[0].Account.Number}).Find(&users2, "id IN ?", userIDs)
	sort.Slice(users2, func(i, j int) bool {
		return users2[i].ID < users2[j].ID
	})

	for idx, user := range users2[1:2] {
		if user.Account.Number != "" {

	DB.Where(&User{Name: "find or create", Age: 33}).FirstOrCreate(&user2)
	if user1.ID != user2.ID || user2.Name != "find or create" || user2.ID == 0 || user2.Age != 33 {
		t.Errorf("user should be created with search value")
	}

	DB.FirstOrCreate(&user3, map[string]interface{}{"name": "find or create 2"})
	if user3.Name != "find or create 2" || user3.ID == 0 {
		t.Errorf("user should be created with inline search value")
	}

	if age != 20 {
		t.Errorf("Scan with Row, age expects: %v, got %v", user2.Age, age)
	}
}

func TestRows(t *testing.T) {
	user1 := User{Name: "RowsUser1", Age: 1}
	user2 := User{Name: "RowsUser2", Age: 10}
	user3 := User{Name: "RowsUser3", Age: 20}
	DB.Save(&user1).Save(&user2).Save(&user3)

	rows, err := DB.Table("users").Where("name = ? or name = ?", user2.Name, user3.Name).Select("name, age").Rows()
	if err != nil {

	}

	DB.Table("users").Select("id, name, age").Where("id = ?", user2.ID).Scan(&res)
	if res.ID != user2.ID || res.Name != user2.Name || res.Age != int(user2.Age) {
		t.Fatalf("Scan into struct should work, got %#v, should %#v", res, user2)
	}

	DB.Model(&User{Model: gorm.Model{ID: user3.ID}}).Select("id, name, age").Scan(&res)
	if res.ID != user3.ID || res.Name != user3.Name || res.Age != int(user3.Age) {

        User user1 = createTestUser("user1", "User One");
        User user2 = createTestUser("user2", "User Two");
        User user3 = createTestUser("user3", "User Three");

        chain.update(user1);
        chain.update(user2);
        chain.update(user3);

        assertEquals(3, chain.updateCalls.size());
        assertEquals(user1, chain.updateCalls.get(0));

		// user
		CheckUser(t, user, users2[idx])
		if users2[idx].Manager == nil {
			t.Fatalf("Failed to load Manager")
		}
		// manager
		CheckUser(t, *user.Manager, *users2[idx].Manager)
		// user pet
		if users2[idx].NamedPet == nil {
			t.Fatalf("Failed to load NamedPet")
		}
		CheckPet(t, *user.NamedPet, *users2[idx].NamedPet)
		// manager pet
		if users2[idx].Manager.NamedPet == nil {

	DB.First(&result, user.ID)

	user2 := *GetUser("select_update_new", Config{Account: true, Pets: 3, Toys: 3, Company: true, Manager: true, Team: 3, Languages: 3, Friends: 4})
	result.Name = user2.Name
	result.Age = 50
	result.Account = user2.Account
	result.Pets = user2.Pets
	result.Toys = user2.Toys
	result.Company = user2.Company
	result.Manager = user2.Manager
	result.Team = user2.Team
	result.Languages = user2.Languages

    // Test load with multiple chains (chained loading)
    public void test_load_multipleChains() {
        User user = createTestUser("user0");
        User user1 = createTestUser("user1");
        User user2 = createTestUser("user2");
        User user3 = createTestUser("user3");

        TestAuthenticationChain chain1 = new TestAuthenticationChain();
        TestAuthenticationChain chain2 = new TestAuthenticationChain();