String s = cmd.toString();
        assertTrue(s.contains("Trans2GetDfsReferral["));
        assertTrue(s.contains("filename=/bar"));
        assertTrue(s.contains("maxReferralLevel=0x3"));
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 5, -1, 65534 })
    @DisplayName("referral level variations")
    void testLevels(int level) throws Exception {

    /**
     * AES 128 GCM
     */
    public static final int CIPHER_AES128_GCM = 0x2;

    /**
     * AES 256 CCM
     */
    public static final int CIPHER_AES256_CCM = 0x3;

    /**
     * AES 256 GCM
     */
    public static final int CIPHER_AES256_GCM = 0x4;

    private int[] ciphers;

    /**
     * Constructs an encryption negotiate context.
     *

        String result = trans2GetDfsReferral.toString();

        // Then
        assertNotNull(result);
        assertTrue(result.contains("Trans2GetDfsReferral"));
        assertTrue(result.contains("maxReferralLevel=0x3"));
        assertTrue(result.contains("filename=" + filename));
    }

    @Test
    @DisplayName("toString should handle null path")
    void testToStringWithNullPath() {
        // Given

  const val INITIAL_MAX_FRAME_SIZE = 0x4000 // 16384

  const val TYPE_DATA = 0x0
  const val TYPE_HEADERS = 0x1
  const val TYPE_PRIORITY = 0x2
  const val TYPE_RST_STREAM = 0x3
  const val TYPE_SETTINGS = 0x4
  const val TYPE_PUSH_PROMISE = 0x5
  const val TYPE_PING = 0x6
  const val TYPE_GOAWAY = 0x7
  const val TYPE_WINDOW_UPDATE = 0x8
  const val TYPE_CONTINUATION = 0x9

     */
    public static final int COMPRESSION_NONE = 0x0;
    public static final int COMPRESSION_LZ77 = 0x1;
    public static final int COMPRESSION_LZ77_HUFFMAN = 0x2;
    public static final int COMPRESSION_LZNT1 = 0x3;
    public static final int COMPRESSION_PATTERN_V1 = 0x4;

    /**
     * Compresses data using the specified algorithm.
     *
     * @param data the data to compress

     */
    public static final byte SMB2_SHARE_TYPE_PIPE = 0x2;
    /**
     * Share type constant for printer shares.
     */
    public static final byte SMB2_SHARE_TYPE_PRINT = 0x3;

    /**
     * Share flag indicating manual caching of documents.
     */
    public static final int SMB2_SHAREFLAG_MANUAL_CACHING = 0x0;
    /**
     * Share flag indicating automatic caching of documents.

        src[2] = 'E'; // T
        // E=0x45: upper nibble 0x4->E(0x45), lower nibble 0x5->F(0x46)
        src[3] = 'E';
        src[4] = 'F'; // E
        // S=0x53: upper nibble 0x5->F(0x46), lower nibble 0x3->D(0x44)
        src[5] = 'F';
        src[6] = 'D'; // S
        // T=0x54: upper nibble 0x5->F(0x46), lower nibble 0x4->E(0x45)
        src[7] = 'F';
        src[8] = 'E'; // T

0x89, 0x75, 0xff, 0x20, 0xec, 0xb6, 0xe5, 0xbe, 0x1a, 0x8a, 0xbf, 0x6c, 0xdb, 0xe1, 0x87, 0xfb, 0x78, 0x22, 0x70, 0x8f, 0x65, 0xed, 0x35, 0x7a, 0xad, 0x47, 0xc4, 0xf2, 0xcc, 0xd0, 0x3, 0x38, 0xaa, 0xd4, 0x48, 0x3, 0x7c, 0x9a, 0x81, 0x38, 0xb3, 0xac, 0x80, 0xcc, 0xce, 0x17, 0x6e, 0x9e, 0xc8, 0xc7, 0x9b, 0x82, 0x1d, 0xbe, 0x3, 0x8b, 0x6b, 0x73, 0x46, 0xaa, 0x5e, 0x3b, 0xd4, 0x42, 0xf7, 0x26, 0x21, 0x85, 0x9b, 0xa5, 0xdf, 0x66, 0x7, 0x4a, 0x5, 0x45, 0xfd, 0x6b, 0x12, 0x36, 0x5e, 0xd, 0x9d, 0x8f, 0x8a,...

        assertEquals(0x1, Smb2CreateRequest.SMB2_IMPERSONATION_LEVEL_IDENTIFICATION);
        assertEquals(0x2, Smb2CreateRequest.SMB2_IMPERSONATION_LEVEL_IMPERSONATION);
        assertEquals(0x3, Smb2CreateRequest.SMB2_IMPERSONATION_LEVEL_DELEGATE);
    }

    @Test
    @DisplayName("Test file share constants")
    void testFileShareConstants() {
        assertEquals(0x1, Smb2CreateRequest.FILE_SHARE_READ);

    /**
     * NTLMSSP Type 2 message identifier.
     */
    protected static final int NTLMSSP_TYPE2 = 0x2;

    /**
     * NTLMSSP Type 3 message identifier.
     */
    protected static final int NTLMSSP_TYPE3 = 0x3;

    private static final String OEM_ENCODING = SmbConstants.DEFAULT_OEM_ENCODING;
    /**
     * Unicode encoding used for NTLM messages.
     */
    protected static final String UNI_ENCODING = "UTF-16LE";