void testSpecialFileIdPatterns() {
        // Test various special patterns
        byte[] allZeros = new byte[16];
        byte[] allOnes = new byte[16];
        Arrays.fill(allOnes, (byte) 0xFF);
        byte[] alternating = new byte[16];
        for (int i = 0; i < alternating.length; i++) {
            alternating[i] = (byte) (i % 2 == 0 ? 0xAA : 0x55);
        }

            // Write some error data
            buffer[errorStart + 8] = (byte) 0xFF;
            buffer[errorStart + 9] = (byte) 0xFE;
            buffer[errorStart + 10] = (byte) 0xFD;
            buffer[errorStart + 11] = (byte) 0xFC;

            testMessage.setBytesRead(0);
            testMessage.decode(buffer, 0);

        when(resp.getErrorCode()).thenReturn(0x10B);
        when(resp.getNotifyInformation()).thenReturn(new ArrayList<>());
        setupSmb1(resp, 42);
        SmbWatchHandleImpl sut = new SmbWatchHandleImpl(handle, 0xFF, false);

        List<FileNotifyInformation> result = sut.watch();

        assertNotNull(result);
        verify(handle, times(1)).markClosed();

        byte[] buffer = new byte[256];
        // Fill with non-zero values first
        for (int i = 0; i < buffer.length; i++) {
            buffer[i] = (byte) 0xFF;
        }

        // When
        request.writeBytesWireFormat(buffer, 10);

        // Then - verify reserved field is zero
        assertEquals(0, SMBUtil.readInt2(buffer, 12));
    }

        // Given
        byte[] buffer = new byte[256];
        // Fill buffer with test pattern
        for (int i = 0; i < buffer.length; i++) {
            buffer[i] = (byte) (i & 0xFF);
        }
        byte[] originalBuffer = buffer.clone();

        // When
        int bytesWritten = response.writeBytesWireFormat(buffer, 10);

        // Then
        assertEquals(0, bytesWritten);

     */
    public SID getSID() {
        return sid;
    }

    int decode(final byte[] buf, int bi) {
        allow = buf[bi] == (byte) 0x00;
        bi++;
        flags = buf[bi++] & 0xFF;
        final int size = ServerMessageBlock.readInt2(buf, bi);
        bi += 2;
        access = ServerMessageBlock.readInt4(buf, bi);
        bi += 4;
        sid = new SID(buf, bi);
        return size;
    }

        // Arrange
        nodeStatusRequest = new NodeStatusRequest(mockConfig, mockName);
        byte[] dst = new byte[100];
        int originalHexCode = 0xFF;
        mockName.hexCode = originalHexCode;

        // Create a spy to capture the state during writeQuestionSectionWireFormat
        NodeStatusRequest spyRequest = spy(nodeStatusRequest);

    @Override
    public int read() throws IOException {
        // need oplocks to cache otherwise use BufferedInputStream
        if (read(tmp, 0, 1) == -1) {
            return -1;
        }
        return tmp[0] & 0xFF;
    }

    /**
     * Reads up to b.length bytes of data from this input stream into an array of bytes.
     *
     * @throws IOException if a network error occurs
     */

    @Override

		extra   []byte
		wanterr error
	}{
		{
			name:    strings.Repeat("x", 1<<16),
			extra:   []byte{},
			wanterr: errLongName,
		},
		{
			name:    "long_extra",
			extra:   bytes.Repeat([]byte{0xff}, 1<<16),
			wanterr: errLongExtra,
		},
	}

	// write a zip file
	buf := new(bytes.Buffer)
	w := NewWriter(buf)

	for _, test := range headerTests {
		h := &FileHeader{
			Name:  test.name,

    // codePoint has at most 21 bits
    return ((0xFL << 4) | (codePoint >>> 18))
        | ((0x80L | (0x3F & (codePoint >>> 12))) << 8)
        | ((0x80L | (0x3F & (codePoint >>> 6))) << 16)
        | ((0x80L | (0x3F & codePoint)) << 24);
  }

  private static long charToThreeUtf8Bytes(char c) {
    return ((0x7L << 5) | (c >>> 12))
        | ((0x80 | (0x3F & (c >>> 6))) << 8)
        | ((0x80 | (0x3F & c)) << 16);
  }