assertEquals(
        ImmutableMap.of(Range.closedOpen(0, 1), 1, Range.closedOpen(1, 2), 1),
        rangeMap.asMapOfRanges());

    rangeMap.putCoalescing(Range.closedOpen(1, 1), 1); // empty range coalesces connected ranges
    assertEquals(ImmutableMap.of(Range.closedOpen(0, 2), 1), rangeMap.asMapOfRanges());
  }

  public void testPutCoalescingSubmapEmpty() {
    RangeMap<Integer, Integer> rangeMap = TreeRangeMap.create();

        verify(fd, times(1)).markClosed();
        verify(tree, times(1)).close();
        verify(fd, times(1)).close();
    }

    @Test
    @DisplayName("available() on SMB1 returns reported available when connected")
    void available_smb1_connected() throws Exception {
        // Verify SMB1 path: non-disconnected status returns 'available' from response
        SmbPipeInputStream stream = newStreamWithInit(false);

///

### `startup` and `shutdown` together { #startup-and-shutdown-together }

There's a high chance that the logic for your *startup* and *shutdown* is connected, you might want to start something and then finish it, acquire a resource and then release it, etc.

                ftpClient.disconnect();
            } catch (final IOException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Failed to disconnect FTP client: connected={}", ftpClient.isConnected(), e);
                }
            }
        }
        if (logger.isDebugEnabled()) {
            logger.debug("FTP client closed");
        }
    }

    /*
     * (non-Javadoc)

	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

// errNotConnected - indicates that the target connection is not active.
var errNotConnected = errors.New("not connected to target server/service")

func (target *WebhookTarget) isActive() (bool, error) {
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

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<br><br>

        return this.treeConnection.hasCapability(cap);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbTreeHandle#isConnected()
     */
    @Override
    public boolean isConnected() {
        return this.treeConnection.isConnected();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbTreeHandle#getConfig()
     */
    @Override

        // Make session look connected via setSessionSetup
        Smb2SessionSetupResponse resp = mock(Smb2SessionSetupResponse.class);
        when(resp.getSessionId()).thenReturn(42L);
        session.setSessionSetup(resp);

        when(transport.isDisconnected()).thenReturn(false);
        when(transport.isFailed()).thenReturn(false);
        assertTrue(session.isConnected());
        assertFalse(session.isFailed());

	wg.Add(1)
	go func() {
		defer wg.Done()
		var ack message
		ack.Op = OpAckMux
		ack.Flags = m.BaseFlags
		ack.MuxID = m.ID
		m.send(ack)
		if debugPrint {
			fmt.Println("connected stream mux:", ack.MuxID)
		}
	}()

	// Data inbound to the handler
	var handlerIn chan []byte
	if inboundCap > 0 {
		m.inbound = make(chan []byte, inboundCap)
		handlerIn = make(chan []byte, 1)

		return
	}
	var cReq connectReq
	_, err = cReq.UnmarshalMsg(message.Payload)
	if err != nil {
		writeErr(fmt.Errorf("error parsing connectReq: %w", err))
		return
	}
	remote := m.targets[cReq.Host]
	if remote == nil {
		writeErr(fmt.Errorf("unknown incoming host: %v", cReq.Host))
		return
	}
	if time.Since(cReq.Time).Abs() > 5*time.Minute {