/**
     * Sentinel cache entry indicating a negative cache result
     */
    protected static CacheEntry FALSE_ENTRY = new Dfs.CacheEntry(0L);

    /**
     * Cache of trusted domains for DFS resolution
     */
    protected CacheEntry _domains = null; /* aka trusted domains cache */
    /**
     * Cache of DFS referrals
     */

  private val messageAndCloseQueue = ArrayDeque<Any>()

  /** The total size in bytes of enqueued but not yet transmitted messages. */
  private var queueSize = 0L

  /** True if we've enqueued a close frame. No further message frames will be enqueued. */
  private var enqueuedClose = false

   * @since 15.0
   */
  public boolean isEmpty() throws IOException {
    Optional<Long> lengthIfKnown = lengthIfKnown();
    if (lengthIfKnown.isPresent()) {
      return lengthIfKnown.get() == 0L;
    }
    Closer closer = Closer.create();
    try {
      Reader reader = closer.register(openStream());
      return reader.read() == -1;
    } catch (Throwable e) {
      throw closer.rethrow(e);

   * @since 15.0
   */
  public boolean isEmpty() throws IOException {
    Optional<Long> lengthIfKnown = lengthIfKnown();
    if (lengthIfKnown.isPresent()) {
      return lengthIfKnown.get() == 0L;
    }
    Closer closer = Closer.create();
    try {
      Reader reader = closer.register(openStream());
      return reader.read() == -1;
    } catch (Throwable e) {
      throw closer.rethrow(e);

  }

  /** Timeout values to combine with each {@link Scenario}. */
  private enum Timeout {
    MIN(Long.MIN_VALUE, "-oo"),
    MINUS_SMALL(-SMALL_TIMEOUT_MILLIS, "-" + SMALL_TIMEOUT_MILLIS + "ms"),
    ZERO(0L, "0ms"),
    SMALL(SMALL_TIMEOUT_MILLIS, SMALL_TIMEOUT_MILLIS + "ms"),
    LARGE(UNEXPECTED_HANG_DELAY_MILLIS * 2, (2 * UNEXPECTED_HANG_DELAY_MILLIS) + "ms"),
    MAX(Long.MAX_VALUE, "+oo");

    final long millis;

        verify(smbFileHandle, times(1)).getInitialSize();
    }

    /**
     * Test getInitialSize() when the size is zero.
     */
    @Test
    void testGetInitialSize_zero() {
        long expectedSize = 0L;
        when(smbFileHandle.getInitialSize()).thenReturn(expectedSize);
        long actualSize = smbFileHandle.getInitialSize();
        assertEquals(expectedSize, actualSize, "getInitialSize should return 0 for an empty file.");

      }
    }
  }

  @Throws(IOException::class)
  private fun completeEvent(
    id: String?,
    type: String?,
    data: Buffer,
  ) {
    if (data.size != 0L) {
      lastId = id
      data.skip(1L) // Leading newline.
      callback.onEvent(id, type, data.readUtf8())
    }
  }

  companion object {
    private val options =
      Options.of(

        }

        // Decode
        smbInfoAllocation.decode(buffer, 0, buffer.length);

        // Verify - all zeros should result in 0 capacity and free
        assertEquals(0L, smbInfoAllocation.getCapacity());
        assertEquals(0L, smbInfoAllocation.getFree());
    }

    @Test
    @DisplayName("Test getFree with maximum values")
    void testGetFreeWithMaximumValues() throws SMBProtocolDecodingException {

    } catch (e: GeneralSecurityException) {
      throw IllegalArgumentException("failed to decode certificate", e)
    }
  }
}

internal data class TbsCertificate(
  /** This is a integer enum. Use 0L for v1, 1L for v2, and 2L for v3. */
  val version: Long,
  val serialNumber: BigInteger,
  val signature: AlgorithmIdentifier,
  val issuer: List<List<AttributeTypeAndValue>>,
  val validity: Validity,

  }

  fun writeBigInteger(value: BigInteger) {
    sink().write(value.toByteArray())
  }

  fun writeLong(v: Long) {
    val sink = sink()

    val lengthBitCount: Int =
      if (v < 0L) {
        65 - java.lang.Long.numberOfLeadingZeros(v xor -1L)
      } else {
        65 - java.lang.Long.numberOfLeadingZeros(v)
      }

    val lengthByteCount = (lengthBitCount + 7) / 8