setupCloseable(false);
    doClose(mockCloseable, false, false);

    setupCloseable(false);
    doClose(mockCloseable, true, false);
  }

  public void testClose_closeableWithEatenException() throws IOException {
    // make sure that no exception is thrown if 'swallowException' is true
    // when the mock does throw an exception.
    setupCloseable(true);
    doClose(mockCloseable, true);
  }

        this.treeHandle = th.acquire();
        try {
            this.next = open();
            if (this.next == null) {
                doClose();
            }
        } catch (final Exception e) {
            doClose();
            throw e;
        }

    }

    /**
     * Gets the SMB tree handle for this iterator.
     *
     * @return the treeHandle
     */

     *
     * @see jcifs.CloseableIterator#close()
     */
    @Override
    public void close() throws CIFSException {
        if (this.next != null) {
            doClose();
        }
    }

    /**
     *
     */
    private void doClose() {
        this.treeHandle.release();
        this.next = null;
    }

    @Override
    public void remove() {

                // this simply indicates an empty listing
                doClose();
                return null;
            }

            throw e;
        }
        this.fileId = createResp.getFileId();
        this.response = query.getResponse();
        final FileEntry n = advance(false);
        if (n == null) {
            doClose();
        }
        return n;
    }

    /**

                doClose();
                return null;
            }
            throw e;
        }

        this.response.setSubCommand(SmbComTransaction.TRANS2_FIND_NEXT2);
        final FileEntry n = advance(false);
        if (n == null) {
            doClose();
        }
        return n;
    }

    /**
     * {@inheritDoc}
     *

    if (connectionUser.candidateConnection() != null) {
      check(toClose == null)
      return ReusePlan(candidate)
    }

    // The call's connection was released.
    toClose?.closeQuietly()
    connectionUser.connectionReleased(candidate)
    connectionUser.connectionConnectionReleased(candidate)
    if (toClose != null) {
      connectionUser.connectionConnectionClosed(candidate)

	w := NewWriter(b)
	inp := []byte("Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.")

      val noNewExchangesEvent: Boolean
      val toClose: Socket? =
        connection.withLock {
          noNewExchangesEvent = !connection.noNewExchanges
          connection.noNewExchanges = true
          connectionUser.releaseConnectionNoEvents()
        }
      if (toClose != null) {
        toClose.closeQuietly()
        connectionListener.connectionClosed(connection)

    val connection = this.connection
    if (connection != null) {
      connection.assertLockNotHeld()
      val toClose: Socket? =
        connection.withLock {
          // Sets this.connection to null.
          releaseConnectionNoEvents()
        }
      if (this.connection == null) {
        toClose?.closeQuietly()
        eventListener.connectionReleased(this, connection)

        // Cleanup first
        cleanup();
        log.debug("Closing pool");

        // Create a snapshot of connections to close
        List<SmbTransportImpl> toClose = new ArrayList<>(this.connections);
        toClose.addAll(this.nonPooledConnections);

        // Clear the collections (thread-safe operations)
        this.connections.clear();
        this.nonPooledConnections.clear();