}

    /**
     * Returns the raw byte representation of this message.
     *
     * @return A <code>byte[]</code> containing the raw message material.
     * @throws IOException if an error occurs during message serialization
     */
    public abstract byte[] toByteArray() throws IOException;

        SMB1SigningDigest digest = new SMB1SigningDigest(mockTransport, mockAuth);
        assertNotNull(digest);
    }

    @Test
    @DisplayName("Test constructor with transport throws SmbException on error")
    void testConstructorWithTransportThrowsException() throws Exception {
        when(mockTransport.getContext()).thenReturn(mockContext);
        when(mockContext.getConfig()).thenReturn(mockConfig);

                    if (channel.getTransport() != null) {
                        channel.getTransport().disconnect(true);
                    }
                } catch (Exception e) {
                    log.warn("Error closing channel {}: {}", channel.getChannelId(), e.getMessage());
                }
            }
            log.info("Removed {} channels for session {}", channelGroup.getChannelCount(), sessionId);
        }
    }

            assertTrue(cause instanceof SMBProtocolDecodingException, "Actual cause should be SMBProtocolDecodingException");
            assertEquals("Structure size is not 16", cause.getMessage(), "Should have correct error message");
        }

        @Test
        @DisplayName("Should write empty bytes for wire format")
        void testWriteBytesWireFormat() throws Exception {
            // Given

            if (semaphoreAcquired) {
                requestSemaphore.release();
            }
        }
    }

    /**
     * Execute an operation with circuit breaker protection and custom error handling
     *
     * @param <T> return type
     * @param operation the operation to execute
     * @param isFailure custom failure detection
     * @return operation result

  }

  @Test
  fun setResponseMockReason() {
    val reasons =
      arrayOf<String?>(
        "Mock Response",
        "Informational",
        "OK",
        "Redirection",
        "Client Error",
        "Server Error",
        "Mock Response",
      )
    for (i in 0..599) {
      val builder = MockResponse.Builder().code(i)
      val expectedReason = reasons[i / 100]

            same[k] += 1;
          } else {
            diff[k] += 1;
          }
        }
      }
      // measure probability and assert it's within margin of error
      for (int j = 0; j < hashBits; j++) {
        double prob = (double) diff[j] / (double) (diff[j] + same[j]);
        assertThat(prob).isWithin(epsilon).of(0.50d);
      }
    }
  }

  /**

     * @param token the input token bytes
     * @param offset offset into the token array
     * @param len length of token data
     * @return the output token bytes
     * @throws SmbException if an error occurs during context initialization
     */
    public byte[] initSecContext(byte[] token, final int offset, final int len) throws SmbException {
        switch (state) {
        case 1:

        /**
         * Gets the Blob object from GCS.
         * This method caches the response to avoid repeated calls.
         *
         * @return The Blob object
         * @throws IOException If an I/O error occurs
         */
        private Blob getBlob() throws IOException {
            if (blob == null) {
                blob = storage.get(BlobId.of(bucketName, objectName));
            }
            return blob;

         * Gets the object head response from the S3 service.
         * This method caches the response to avoid repeated calls.
         *
         * @return The object head response
         * @throws IOException If an error occurs
         */
        private HeadObjectResponse getHeadObject() throws IOException {
            if (headObject == null) {