/**
     * Create SMB Direct Negotiate Request
     */
    public SmbDirectNegotiateRequest() {
    }

    /**
     * Encode to byte array
     *
     * @return encoded message
     */
    public byte[] encode() {
        byte[] data = new byte[32];

        int idx = 0;
        SMBUtil.writeInt2(minVersion, data, idx);
        idx += 2;
        SMBUtil.writeInt2(maxVersion, data, idx);

    /**
     * Reads up to b.length bytes of data from this input stream into an array of bytes.
     *
     * @throws IOException if a network error occurs
     */

    @Override
    public int read(final byte[] b) throws IOException {
        return read(b, 0, b.length);
    }

    /**
     * Reads up to len bytes of data from this input stream into an array of bytes.
     *

    Random rng = new Random(0L);
    byte[] bytes = new byte[rng.nextInt(256) + 1];
    rng.nextBytes(bytes);
    assertEquals(hashFunction.hashBytes(bytes), hashFunction.hashBytes(ByteBuffer.wrap(bytes)));
  }

  static void assertHashByteBufferExhaustsBuffer(HashFunction hashFunction) {
    Random rng = new Random(0L);
    byte[] bytes = new byte[rng.nextInt(256) + 1];
    rng.nextBytes(bytes);

     * Get size of this structure
     *
     * @return size in bytes (16)
     */
    public static int size() {
        return 16; // 8 + 4 + 4
    }

    /**
     * Encode this structure to byte array
     *
     * @param dst destination buffer
     * @param dstIndex starting index
     * @return number of bytes written
     */
    public int encode(byte[] dst, int dstIndex) {

        byte[] buffer = new byte[512];
        int written = trans2QueryPathInfo.writeParametersWireFormat(buffer, 0);

        // Check information level (first 2 bytes)
        int actualInfoLevel = SMBUtil.readInt2(buffer, 0);
        assertEquals(0x0101, actualInfoLevel); // FILE_BASIC_INFO maps to 0x0101

        // Check reserved bytes (4 bytes of 0x00)
        assertEquals(0x00, buffer[2]);

            // Arrange
            context = new PreauthIntegrityNegotiateContext();
            byte[] buffer = new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, // Padding
                    0x01, 0x00, // 1 hash algo
                    0x02, 0x00, // 2 bytes salt
                    0x01, 0x00, // SHA512
                    (byte) 0xAA, (byte) 0xBB // Salt
            };

            // Act

        assertEquals(0xCAFEBABE, SMBUtil.readInt4(buffer, 84)); // Query flags

        // Verify file ID
        byte[] actualFileId = new byte[16];
        System.arraycopy(buffer, 88, actualFileId, 0, 16);
        assertArrayEquals(newFileId, actualFileId);

        assertEquals(104, bytesWritten); // 40 bytes header + 64 bytes input buffer
    }

    @Test
    @DisplayName("Test setFileInfoClass sets correct info type")

   * @throws IllegalArgumentException if {@code bytes} has fewer than 8 elements
   */
  public static long fromByteArray(byte[] bytes) {
    checkArgument(bytes.length >= BYTES, "array too small: %s < %s", bytes.length, BYTES);
    return fromBytes(
        bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5], bytes[6], bytes[7]);
  }

  /**
   * Returns the {@code long} value whose byte representation is the given 8 bytes, in big-endian

        DirectoryLeaseContext context = new DirectoryLeaseContext(key, 0, DirectoryCacheScope.IMMEDIATE_CHILDREN);

        // Context header: 16 bytes
        // Name: 4 bytes ("DLse")
        // Padding: 4 bytes
        // Standard lease data: 32 bytes
        // Directory-specific data: 20 bytes
        assertEquals(76, context.size());
    }

    @Test
    public void testEncode() {
        Smb2LeaseKey key = new Smb2LeaseKey();

        // Arrange
        byte[] data = { 1, 2, 3, 4, 5 };
        SmbComWrite write = new SmbComWrite();
        write.setParam(0, 0L, 0, data, 1, 3); // Write bytes 2,3,4
        byte[] dst = new byte[10];

        // Act
        int bytesWritten = write.writeBytesWireFormat(dst, 0);

        // Assert
        assertEquals(6, bytesWritten, "Should write 6 bytes (1 type + 2 length + 3 data)");