* Constructs a Read AndX request.
     *
     * @param config the configuration
     */
    public SmbComReadAndX(final Configuration config) {
        super(config, SMB_COM_READ_ANDX);
        this.openTimeout = 0xFFFFFFFF;
    }

    /**
     * Constructs a Read AndX request with parameters.
     *
     * @param config the configuration
     * @param fid the file identifier
     * @param offset the file offset to read from

    void testGetAccessMask() {
        ace.access = 0x00000000;
        assertEquals(0x00000000, ace.getAccessMask());

        ace.access = 0xFFFFFFFF;
        assertEquals(0xFFFFFFFF, ace.getAccessMask());

        ace.access = 0x001200A9;
        assertEquals(0x001200A9, ace.getAccessMask());
    }

    @Test
    @DisplayName("Test getSID returns correct SID")

        byte[] buffer = new byte[256];
        long overflowSize = 0xFFFFFFFFL; // This will become -1 as signed int

        SMBUtil.writeInt2(0, buffer, 0);
        SMBUtil.writeUTime(0, buffer, 2);
        SMBUtil.writeInt4(overflowSize, buffer, 6);

        response.readParameterWordsWireFormat(buffer, 0);

        // 0xFFFFFFFF becomes -1 when interpreted as signed int
        assertEquals(-1L, response.getSize());

        super(config, SMB_COM_TRANSACTION, TRANS_PEEK_NAMED_PIPE);
        this.name = pipeName;
        this.fid = fid;
        this.timeout = 0xFFFFFFFF;
        this.maxParameterCount = 6;
        this.maxDataCount = 1;
        this.maxSetupCount = (byte) 0x00;
        this.setupCount = 2;
    }

    @Override

        // SubCommand should be TRANS_WAIT_NAMED_PIPE (0x53)
        assertEquals(SmbComTransaction.TRANS_WAIT_NAMED_PIPE, pipe.subCommand);

        // Timeout is set to 0xFFFFFFFF (-1 when cast to int)
        assertEquals(0xFFFFFFFF, pipe.timeout);

        // Max parameter and data counts should be 0
        assertEquals(0, pipe.maxParameterCount);
        assertEquals(0, pipe.maxDataCount);

                (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, // 0xFFFFFFFF
                (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, // 0x00000000
                (byte) 0xEF, (byte) 0xCD, (byte) 0xAB, (byte) 0x89 // 0x89ABCDEF
        };

        assertEquals(0x12345678, SMBUtil.readInt4(src, 0));
        assertEquals(0xFFFFFFFF, SMBUtil.readInt4(src, 4));
        assertEquals(0x00000000, SMBUtil.readInt4(src, 8));

     */
    @Test
    void testGetMessageByDcerpcError_smallerThanAny() {
        int unknownCode = -1;
        String message = DcerpcException.getMessageByDcerpcError(unknownCode);
        assertEquals("0xFFFFFFFF", message, "Should return hex string for code smaller than any known.");
    }

    /**
     * Test getMessageByDcerpcError() with an error code larger than any known.

     * @param value true to set the flag, false to clear it
     */
    public void setContextFlag(final int flag, final boolean value) {
        setContextFlags(value ? getContextFlags() | flag : getContextFlags() & (0xffffffff ^ flag));
    }

    /**
     * Gets the array of supported authentication mechanisms
     * @return the mechanisms array
     */
    public ASN1ObjectIdentifier[] getMechanisms() {

            }
        }

        @Test
        @DisplayName("Unspecified TreeId should be 0xFFFFFFFF")
        void testUnspecifiedTreeId() {
            assertEquals(0xFFFFFFFF, Smb2Constants.UNSPECIFIED_TREEID, "Unspecified TreeId must be 0xFFFFFFFF");
            assertEquals(-1, Smb2Constants.UNSPECIFIED_TREEID, "Unspecified TreeId as signed int should be -1");
        }

        @Test

    }

    @Test
    public void testReadUnsignedInt() throws IOException {
        // Little-endian 0xFFFFFFFF -> 0xFF 0xFF 0xFF 0xFF
        byte[] data = new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals(0xFFFFFFFFL, pdis.readUnsignedInt());
    }

    @Test
    public void testReadFiletime() throws IOException {