assertTrue(n > 0);
        // Common AndX header: command at +1, reserved at +2, offset at +3/+4
        assertEquals((byte) 0xFF, buf[1], "AndX command should be 0xFF when no chaining");
        assertEquals((byte) 0x00, buf[2], "Reserved byte must be 0");
        assertEquals((byte) 0xDE, buf[3], "Sentinel low offset when no chaining");
        assertEquals((byte) 0xDE, buf[4], "Sentinel high offset when no chaining");

            /* 01234567
             * 00SSFSMB
             * 0 - 0's
             * S - size of payload
             * FSMB - 0xFF SMB magic #
             */

            if (sbuf[0] == (byte) 0x00 && sbuf[1] == (byte) 0x00 && sbuf[4] == (byte) 0xFF && sbuf[5] == (byte) 'S' && sbuf[6] == (byte) 'M'
                    && sbuf[7] == (byte) 'B') {
                break; /* all good */
            }
            /* out of phase maybe? */

 *
 * @author Alex Matevossian
 * @author David Beaumont
 * @since 15.0
 */
@GwtCompatible
public class XmlEscapers {
  private XmlEscapers() {}

  private static final char MIN_ASCII_CONTROL_CHAR = 0x00;
  private static final char MAX_ASCII_CONTROL_CHAR = 0x1F;

  // For each xxxEscaper() method, please add links to external reference pages
  // that are considered authoritative for the behavior of that escaper.

  /**

    }

    @Test
    @DisplayName("Test setCommand with various SMB command codes")
    void testSetCommandWithVariousCodes() {
        // Test common SMB command codes
        int[] commandCodes = { 0x00, 0x72, 0x73, 0x74, 0x75, 0xFF };

        for (int command : commandCodes) {
            doNothing().when(messageBlock).setCommand(command);
            when(messageBlock.getCommand()).thenReturn(command);

    }

    /**
     * LSA close handle message.
     */
    public static class LsarClose extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x00;
        }

        /** Return value from the RPC call. */
        public int retval;
        /** Policy handle to be closed. */
        public rpc.policy_handle handle;

        /**

        }

        @Test
        @DisplayName("Should construct with config and command")
        void testConstructorWithConfigAndCommand() {
            int command = 0x01;
            TestServerMessageBlock2Response resp = new TestServerMessageBlock2Response(mockConfig, command);
            assertNotNull(resp);
            assertSame(mockConfig, resp.getConfig());
        }
    }

            assertEquals((short) 0x8000, uuid.time_hi_and_version);
            assertEquals((byte) 0x80, uuid.clock_seq_hi_and_reserved);
            assertEquals((byte) 0x80, uuid.clock_seq_low);
            assertArrayEquals(new byte[] { (byte) 0x80, (byte) 0x80, (byte) 0x80, (byte) 0x80, (byte) 0x80, (byte) 0x80 }, uuid.node);
        }
    }

        return Stream.of(Arguments.of(new byte[] {}, ""), Arguments.of(new byte[] { (byte) 0x00 }, "00"),
                Arguments.of(new byte[] { (byte) 0x0F }, "0f"), Arguments.of(new byte[] { (byte) 0x10 }, "10"),
                Arguments.of(new byte[] { (byte) 0xAB }, "ab"),
                Arguments.of(new byte[] { (byte) 0x7F, (byte) 0x80, (byte) 0xFF }, "7f80ff"));
    }

        assertArrayEquals(maxFileId, copiedFileId);

        // Test with file ID having minimum byte values
        byte[] minFileId = new byte[16];
        Arrays.fill(minFileId, (byte) 0x00);
        Smb2FlushRequest minRequest = new Smb2FlushRequest(mockConfig, minFileId);

        written = minRequest.writeBytesWireFormat(buffer, 0);

        assertEquals(24, written);

        // Random but realistic GUID
        byte[] testGuid = { (byte) 0x01, (byte) 0x23, (byte) 0x45, (byte) 0x67, (byte) 0x89, (byte) 0xAB, (byte) 0xCD, (byte) 0xEF,
                (byte) 0xFE, (byte) 0xDC, (byte) 0xBA, (byte) 0x98, (byte) 0x76, (byte) 0x54, (byte) 0x32, (byte) 0x10 };

        // Security mode with signing required