assertEquals(4, bytesEncoded);

            ByteBuffer bb = ByteBuffer.wrap(dst).order(ByteOrder.LITTLE_ENDIAN);
            assertEquals(maxReferralLevel, bb.getShort());
            assertEquals(0, bb.getShort()); // null terminator
        }

        @ParameterizedTest
        @DisplayName("Should encode various referral levels correctly")
        @ValueSource(ints = { 0, 1, 255, 256, 32767, 65535 })

        // Read GUID components in little-endian order
        int data1 = bb.getInt(); // first 4 bytes (little-endian)
        short data2 = bb.getShort(); // next 2 bytes (little-endian)
        short data3 = bb.getShort(); // next 2 bytes (little-endian)

        // The last 8 bytes are read as big-endian (network byte order for the high/low parts)

        assertEquals("smb", url1.getProtocol());
        assertEquals("host", url1.getHost());
        assertEquals(445, url1.getPort());
        assertEquals("/share", url1.getPath());

        assertEquals("smb", url2.getProtocol());
        assertEquals("host", url2.getHost());
        assertEquals(1234, url2.getPort());
        assertEquals("/share/file.txt", url2.getPath());

    assertEquals("::1", HostAndPort.fromString("[::1]:80").requireBracketsForIPv6().getHost());
    // Non-bracketed non-IPv6 works fine.
    assertEquals("x", HostAndPort.fromString("x").requireBracketsForIPv6().getHost());
    assertEquals("x", HostAndPort.fromString("x:80").requireBracketsForIPv6().getHost());

    // Non-bracketed IPv6 fails.
    assertThrows(

    assertEquals("::1", HostAndPort.fromString("[::1]:80").requireBracketsForIPv6().getHost());
    // Non-bracketed non-IPv6 works fine.
    assertEquals("x", HostAndPort.fromString("x").requireBracketsForIPv6().getHost());
    assertEquals("x", HostAndPort.fromString("x:80").requireBracketsForIPv6().getHost());

    // Non-bracketed IPv6 fails.
    assertThrows(

        path = u.getPath();
        ref = u.getRef();
        if (ref != null) {
            path += '#' + ref;
        }
        port = u.getPort();
        if (port == -1) {
            port = getDefaultPort();
        }
        setURL(u, "smb", u.getHost(), port, u.getAuthority(), u.getUserInfo(), path, u.getQuery(), null);
    }

        path = u.getPath();
        ref = u.getRef();
        if (ref != null) {
            path += '#' + ref;
        }
        port = u.getPort();
        if (port == -1) {
            port = getDefaultPort();
        }
        setURL(u, "smb", u.getHost(), port, u.getAuthority(), u.getUserInfo(), path, u.getQuery(), null);
    }

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbResourceLocator#getPort()
     */
    @Override
    public int getPort() {
        return this.url.getPort();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbResourceLocator#getURL()
     */
    @Override
    public URL getURL() {

        Handler handler = newHandler();
        URL url = new URL(null, "smb://", handler);

        // Assert
        assertEquals("smb", url.getProtocol());
        assertEquals(SmbConstants.DEFAULT_PORT, url.getPort(), "Default port applied for root smb URL");
        assertNull(url.getRef(), "Ref should remain null for root URL");
    }

    @Test
    @DisplayName("parseURL: fragment is moved into path and ref cleared")

        }

        try {
            URL url = new URL(null, smbUrl, new jcifs.smb.Handler());

            // Validate host
            String host = url.getHost();
            if (host == null || host.isEmpty()) {
                throw new SmbException("SMB URL missing host");
            }

            // Validate host format
            if (!isValidHost(host)) {