when(mockFileHandle.isValid()).thenReturn(false, true); // First false to trigger ensureOpen, then true
        when(mockFileHandle.getFileId()).thenReturn(new byte[16]);
        when(mockFileHandle.acquire()).thenReturn(mockFileHandle);

        // Mock for ensureOpen to reopen file
        when(mockFile.openUnshared(anyInt(), anyInt(), anyInt(), anyInt(), anyInt())).thenReturn(mockFileHandle);

    }

    @Test
    @DisplayName("acquire after release reacquires transport")
    void testAcquireReacquiresTransport() {
        SmbSessionImpl session = newSession();

        // Drop usage to zero which releases transport and flips transportAcquired=false
        session.release();
        clearInvocations(transport);

        // Re-acquire should reacquire transport

        // Act: create wrapper using delegate, then acquire and release once
        SmbTreeConnectionTrace wrapper = new SmbTreeConnectionTrace(delegate);
        wrapper.acquire();
        wrapper.release();

        // Assert: delegate interactions occur when usage transitions happen
        verify(delegate, times(1)).acquire();
        verify(delegate, times(1)).release();
    }

    @Test

                            log.debug("Acquire tree on first usage " + t);
                        }
                        t.acquire();
                        this.treeAcquired = true;
                    }
                }
                if (this.delegate != null && !this.delegateAcquired) {
                    log.debug("Acquire delegate on first usage");
                    this.delegate.acquire();

 *
 * <p>Deadlocks can arise when locks are acquired in an order that forms a cycle. In a simple
 * example involving two locks and two threads, deadlock occurs when one thread acquires Lock A, and
 * then Lock B, while another thread acquires Lock B, and then Lock A:
 *
 * <pre>
 * Thread1: acquire(LockA) --X acquire(LockB)
 * Thread2: acquire(LockB) --X acquire(LockA)
 * </pre>
 *

     */
    public SmbTreeImpl acquire(final boolean track) {
        final long usage = this.usageCount.incrementAndGet();
        if (log.isTraceEnabled()) {
            log.trace("Acquire tree " + usage + " " + this);
        }

        if (track && this.traceResource) {
            synchronized (this.acquires) {
                this.acquires.add(truncateTrace(Thread.currentThread().getStackTrace()));

        // Then: Should create successfully
        assertNotNull(iterator);
        assertFalse(iterator.hasNext()); // Empty results

        // Verify tree handle was acquired
        verify(treeHandle).acquire();

        // Cleanup
        iterator.close();
    }

    @Test
    @DisplayName("Constructor should handle workgroup type with non-empty host")

     *
     * @param tf the CIFS context to use
     * @param name the server name or address
     * @param port the port number
     * @param exclusive whether to acquire an unshared connection
     * @param forceSigning whether to enforce SMB signing
     * @return a connected transport
     * @throws UnknownHostException if the host cannot be resolved

        }
    }

    /**
     * @return a file handle with increased usage count
     */
    public SmbFileHandleImpl acquire() {
        final long usage = this.usageCount.incrementAndGet();
        if (log.isTraceEnabled()) {
            log.trace(String.format("Acquire %s (%d)", this, usage));
        }
        return this;
    }

    /**
     *
     */
    public void markClosed() {

                }
            }
            tree.unwrap(CustomSmbTree.class);
        });
    }

    // Test case for acquire and release methods
    @Test
    void testAcquireAndRelease() {
        SmbTreeImpl tree = new SmbTreeImpl(session, "SHARE", "A:");
        tree.acquire();
        tree.release();
    }

    // Test case for isConnected method
    @Test