assertEquals("user123", LdapUtil.escapeValue("user123"));
        assertEquals("Test User", LdapUtil.escapeValue("Test User"));
    }

    @Test
    public void test_escapeValue_backslash() {
        assertEquals("admin\\5ctest", LdapUtil.escapeValue("admin\\test"));
        assertEquals("\\5c", LdapUtil.escapeValue("\\"));
        assertEquals("a\\5cb\\5cc", LdapUtil.escapeValue("a\\b\\c"));
    }