*
     * @param buffer the byte buffer containing the security descriptor data
     * @param bufferIndex the starting offset in the buffer
     * @param len the length of data to decode
     * @throws IOException if an I/O error occurs during decoding
     */
    public SecurityDescriptor(final byte[] buffer, final int bufferIndex, final int len) throws IOException {

        serverData.encryptionKeyLength = 8;
        response.flags2 = ServerMessageBlock.FLAGS2_UNICODE;
        byte[] domainNameBytes = "DOMAIN_U".getBytes("UTF-16LE");
        response.byteCount = 8 + domainNameBytes.length + 2; // key + domain + null terminator

        // Prepare byte array
        byte[] encryptionKey = "12345678".getBytes();
        ByteBuffer buffer = ByteBuffer.allocate(response.byteCount);

  public String escape(String string) {
    checkNotNull(string); // GWT specific check (do not optimize)
    // Inlineable fast-path loop which hands off to escapeSlow() only if needed
    int length = string.length();
    for (int index = 0; index < length; index++) {
      if (escape(string.charAt(index)) != null) {
        return escapeSlow(string, index);
      }
    }
    return string;
  }

  /**

    // levels equals the number of dots that are getting clipped away, then add the length of each
    // clipped part to get the length of the leading substring that is being removed.
    int substringFrom = levels;
    for (int i = 0; i < levels; i++) {
      substringFrom += parts.get(i).length();
    }
    String ancestorName = name.substring(substringFrom);

        // Expected format: buffer format (0x04) + path string (null terminated)
        byte[] expected = new byte[directoryName.length() + 2];
        expected[0] = 0x04; // Buffer format
        System.arraycopy(directoryName.getBytes(StandardCharsets.UTF_8), 0, expected, 1, directoryName.length());
        expected[directoryName.length() + 1] = 0x00; // Null terminator

        byte[] dst = new byte[100];

		s           string
		startIdx    int
		length      int
		resExpected string
		errExpected error
	}{
		{"abcd", 1, 1, "a", nil},
		{"abcd", -1, 1, "a", nil},
		{"abcd", 999, 999, "", nil},
		{"", 999, 999, "", nil},
		{"测试abc", 1, 1, "测", nil},
		{"测试abc", 5, 5, "c", nil},
	}

	for i, tc := range evalCases {
		res, err := evalSQLSubstring(tc.s, tc.startIdx, tc.length)
		if res != tc.resExpected || err != tc.errExpected {

        byte[] salt2 = preauthService.generatePreauthSalt();

        assertNotNull(salt1);
        assertNotNull(salt2);
        assertEquals(32, salt1.length); // 32 bytes as per SMB 3.1.1 spec
        assertEquals(32, salt2.length);
        assertFalse(java.util.Arrays.equals(salt1, salt2)); // Should be different
    }

    @Test
    @DisplayName("Test session initialization")

        @Test
        void arraysHaveSameLength() {
            assertEquals(WinError.WINERR_CODES.length, WinError.WINERR_MESSAGES.length,
                    "WINERR_CODES and WINERR_MESSAGES should have the same length");
        }

        @Test
        void messagesAlignWithCodes() {
            for (int i = 0; i < WinError.WINERR_CODES.length; i++) {
                int code = WinError.WINERR_CODES[i];

        writeInt4(buffer, dataOffset, notificationFilter);
    }
    
    @Override
    public void decode(byte[] buffer, int offset, int length) {
        super.decode(buffer, offset, length);
        
        if (length > getStandardLeaseSize()) {
            // Decode directory-specific data
            int dataOffset = offset + getStandardLeaseSize();
            

              public SampleElements<E> samples() {
                return delegate.samples();
              }

              @Override
              public E[] createArray(int length) {
                return delegate.createArray(length);
              }

              @Override
              public Iterable<E> order(List<E> insertionOrder) {
                List<E> list = new ArrayList<>();