}

        @ParameterizedTest
        @DisplayName("Should encode consistently with various flag values")
        @ValueSource(ints = { 0, 1, 2, 4, 16, 0xFF, 0xFFFF, 0xFFFFFF, 0x7FFFFFFF, -1 })
        void testEncodingWithVariousFlags(int flags) {
            lock = new Smb2Lock(1024L, 2048L, flags);
            int encoded = lock.encode(buffer, 0);

            assertEquals(24, encoded);

            this.largeReadX = true;
            this.readSizeFile =
                    Math.min(th.getConfig().getReceiveBufferSize() - 70, th.areSignaturesActive() ? 0xFFFF - 70 : 0xFFFFFF - 70);
            log.debug("Enabling LARGE_READX with " + this.readSizeFile);
        } else {
            log.debug("LARGE_READX disabled");
            this.readSizeFile = this.readSize;
        }

            }

            // there seems to be a bug with some servers that causes corruption if using signatures + CAP_LARGE_WRITE
            if (th.hasCapability(SmbConstants.CAP_LARGE_WRITEX) && !th.areSignaturesActive()) {
                this.writeSize = Math.min(th.getConfig().getSendBufferSize() - 70, 0xFFFF - 70);
            }

            this.fp = 0L;

        // Little-endian 0xFFFF -> 0xFF 0xFF
        byte[] data = new byte[] { (byte) 0xFF, (byte) 0xFF, 0x00, 0x00 };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals(0xFFFF, pdis.readUnsignedShort());
    }

    @Test
    public void testReadUnsignedInt() throws IOException {
        // Little-endian 0xFFFFFFFF -> 0xFF 0xFF 0xFF 0xFF

        return Stream.of(Arguments.of(0), Arguments.of(1), Arguments.of(255), Arguments.of(256), Arguments.of(65535), Arguments.of(65536),
                Arguments.of(0x7FFFFFFF), Arguments.of(0xFFFFFFFF));
    }

    @Test
    @DisplayName("readInt2 should correctly read 16-bit integer")
    void testReadInt2() {
        byte[] src = { (byte) 0x12, (byte) 0x34, (byte) 0x56 };

     */
    @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.

                Arguments.of(0x12345678, new byte[] { 0x78, 0x56, 0x34, 0x12 }),
                Arguments.of(0xFFFFFFFF, new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF }),
                Arguments.of(0x7FFFFFFF, new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0x7F }));
    }

    @ParameterizedTest
    @MethodSource("int32Provider")

                pipeIn = new TransactNamedPipeInputStream(this);
            } else {
                pipeIn = new SmbFileInputStream(this, pipeType & 0xFFFF00FF | SmbFile.O_EXCL);
            }
        }
        return pipeIn;
    }

    /**
     * Return the <code>OutputStream</code> used to write

 */
public class PacSignature {

    /**
     * Kerberos checksum type for HMAC-MD5 (ARCFOUR-HMAC).
     */
    public static final int KERB_CHECKSUM_HMAC_MD5 = 0xFFFFFF76;
    /**
     * Kerberos checksum type for HMAC-SHA1-96 with AES-128.
     */
    public static final int HMAC_SHA1_96_AES128 = 0x0000000F;
    /**
     * Kerberos checksum type for HMAC-SHA1-96 with AES-256.

        transaction.setTotalParameterCount(0xFFFFFFFF);
        transaction.setTotalDataCount(0xFFFFFFFF);
        transaction.setMaxParameterCount(0xFFFFFFFF);
        transaction.setMaxDataCountForTest(0xFFFFFFFF);
        transaction.setParameterCount(0xFFFFFFFF);
        transaction.setParameterOffset(0xFFFFFFFF);
        transaction.setDataCount(0xFFFFFFFF);
        transaction.setDataOffset(0xFFFFFFFF);