// 2 bytes for fileAttributes, 4 bytes for lastWriteTime, 4 bytes for fileSize
        byte[] buffer = new byte[20];
        // File Attributes: 0x0010 (Directory)
        buffer[0] = 0x10;
        buffer[1] = 0x00;
        // Last Write Time (UTime): A sample timestamp in milliseconds
        long sampleTimeMillis = 1672531200000L; // Represents a specific date in milliseconds

        buffer[bufferIndex++] = 0;
        // maxBufferSize
        buffer[bufferIndex++] = (byte) 0x00;
        buffer[bufferIndex++] = (byte) 0x40;
        buffer[bufferIndex++] = 0;
        buffer[bufferIndex++] = 0;
        // maxRawSize
        buffer[bufferIndex++] = (byte) 0x00;
        buffer[bufferIndex++] = (byte) 0x10;
        buffer[bufferIndex++] = 0;
        buffer[bufferIndex++] = 0;
        // sessionKey

            int[] hashAlgos =
                    { PreauthIntegrityNegotiateContext.HASH_ALGO_SHA512, PreauthIntegrityNegotiateContext.HASH_ALGO_SHA512, 0x02, 0x02 };
            byte[] salt = { 0x01, 0x02 };
            PreauthIntegrityNegotiateContext originalContext = new PreauthIntegrityNegotiateContext(mockConfig, hashAlgos, salt);

            int encoded = originalContext.encode(buffer, 0);

        assertEquals(0x02, Smb2QueryDirectoryRequest.FILE_FULL_DIRECTORY_INFO);
        assertEquals(0x03, Smb2QueryDirectoryRequest.FILE_BOTH_DIRECTORY_INFO);
        assertEquals(0x0C, Smb2QueryDirectoryRequest.FILE_NAMES_INFO);
        assertEquals(0x24, Smb2QueryDirectoryRequest.FILE_ID_BOTH_DIRECTORY_INFO);
        assertEquals(0x26, Smb2QueryDirectoryRequest.FILE_ID_FULL_DIRECTORY_INFO);
    }

    void byteArrayConstructor_malformedDER_throwsWrapped() {
        // Arrange: Truncated SEQUENCE (0x30 len=2 but only 1 byte of content)
        byte[] malformed = new byte[] { 0x30, 0x02, 0x01 };

        // Act + Assert
        PACDecodingException ex = assertThrows(PACDecodingException.class, () -> new KerberosApRequest(malformed, null));

     */

    static final int FILE_SUPERSEDE = 0x0;

    /*
     * Open the file or fail if it does not exist
     * aka OPEN_EXISTING
     */

    static final int FILE_OPEN = 0x1;

    /*
     * Create the file or fail if it does not exist
     * aka CREATE_NEW
     */

    static final int FILE_CREATE = 0x2;

    /*
     * Open the file or create it if it does not exist

            buffer[0] = 0x10;
            buffer[1] = 0x00;
            // Share type (DISK)
            buffer[2] = Smb2TreeConnectResponse.SMB2_SHARE_TYPE_DISK;
            // Reserved
            buffer[3] = 0;
            // Share flags (DFS)
            buffer[4] = 0x01;
            buffer[5] = 0x00;
            buffer[6] = 0x00;
            buffer[7] = 0x00;
            // Capabilities (DFS)

            assertEquals((byte) 0x2B, ServerMessageBlock.SMB_COM_ECHO);
            assertEquals((byte) 0x2D, ServerMessageBlock.SMB_COM_OPEN_ANDX);
            assertEquals((byte) 0x2E, ServerMessageBlock.SMB_COM_READ_ANDX);
            assertEquals((byte) 0x2F, ServerMessageBlock.SMB_COM_WRITE_ANDX);
            assertEquals((byte) 0x32, ServerMessageBlock.SMB_COM_TRANSACTION2);

            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, // NextCommand
            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, // MessageId
            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, // Reserved / AsyncId
            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, // TreeId / AsyncId

        // Fill data section with pattern
        for (int i = 0; i < 16; i++) {
            expectedData[i] = (byte) (0xA0 + i);
            buffer[16 + i] = expectedData[i];
        }

        // Set header values
        SMBUtil.writeInt4(0x100, buffer, 0);
        SMBUtil.writeInt4(0x200, buffer, 4);
        SMBUtil.writeInt4(0x300, buffer, 8);
        SMBUtil.writeInt4(0x400, buffer, 12);

        // Decode