if (startPosition * 2 >= windowSize) {
            int offset = params.getOffset();
            if (offset < 0) {
                offset = 0;
            } else if (offset > windowSize / 2) {
                offset = windowSize / 2;
            }
            int start = startPosition - offset;
            if (start < 0) {
                start = 0;
            }

            assertEquals(12, bytesWritten);
            assertEquals(1, SMBUtil.readInt2(buffer, offset));
            assertEquals(6, SMBUtil.readInt2(buffer, offset + 2));
            assertEquals(PreauthIntegrityNegotiateContext.HASH_ALGO_SHA512, SMBUtil.readInt2(buffer, offset + 4));
            assertArrayEquals(salt, Arrays.copyOfRange(buffer, offset + 6, offset + 12));
        }

     * @return the tree is connected
     */
    boolean isConnected();

    /**
     * Gets the server timezone offset in milliseconds
     * @return server timezone offset
     * @throws CIFSException if an error occurs retrieving the timezone offset
     */
    long getServerTimeZoneOffset() throws CIFSException;

    /**
     * Gets the OEM domain name reported by the server

 *
 * ```
 *  0..63 : Length of the UTF-16 sequence that this range maps to. The offset is b2b3.
 * 64..79 : Offset by a fixed negative offset. The bottom 4 bits of b1 are the top 4 bits of the offset.
 * 80..95 : Offset by a fixed positive offset. The bottom 4 bits of b1 are the top 4 bits of the offset.
 *    119 : Ignored.
 *    120 : Valid.
 *    121 : Disallowed
 *    122 : Mapped inline to the sequence: [b2].

        int bytesWritten = packet.writeTrailerWireFormat(dst, offset);

        assertTrue(bytesWritten > 0);
        // Check that bytes before offset are unchanged
        for (int i = 0; i < offset; i++) {
            assertEquals((byte) 0xFF, dst[i]);
        }
        // Check that bytes after offset are written
        assertNotEquals((byte) 0xFF, dst[offset]);
    }

    @Test

    writeBytesToImpl(dest, offset, maxLength);
    return maxLength;
  }

  abstract void writeBytesToImpl(byte[] dest, int offset, int maxLength);

  /**
   * Returns a mutable view of the underlying bytes for the given {@code HashCode} if it is a
   * byte-based hashcode. Otherwise it returns {@link HashCode#asBytes}. Do <i>not</i> mutate this

    }

    @Test
    @DisplayName("Test decode with offset")
    void testDecodeWithOffset() throws SMBProtocolDecodingException {
        // Prepare buffer with offset
        long expectedValue = 0xAAAABBBBCCCCDDDDL;
        byte[] buffer = new byte[20];
        int offset = 7;
        SMBUtil.writeInt8(expectedValue, buffer, offset);

        // Decode from offset

        int offset = 0;
        int size = 3;

        // Simulate successful verification
        when(mockResponse.verifySignature(buffer, offset, size)).thenReturn(true);
        assertTrue(mockResponse.verifySignature(buffer, offset, size));

        // Simulate failed verification
        when(mockResponse.verifySignature(buffer, offset, size)).thenReturn(false);

        int offset = 0;
        if (domainLength > 0) {
            writeUShort(targetInfo, offset, 2);
            offset += 2;
            writeUShort(targetInfo, offset, domainLength);
            offset += 2;
            System.arraycopy(domain, 0, targetInfo, offset, domainLength);
            offset += domainLength;
        }
        if (serverLength > 0) {

     */
    public final void setMode(final int mode) {
        this.mode = mode;
    }

    /**
     * Sets the seek offset.
     *
     * @param offset
     *            the offset to set
     */
    public final void setOffset(final long offset) {
        this.offset = offset;
    }

    /**
     * {@inheritDoc}
     *