}

    @Test
    @DisplayName("ensureDFSResolved(): no exception when underlying call succeeds")
    void ensureDFSResolved_success() throws Exception {
        // Arrange: default mock does nothing

        // Act: call method under test
        handle.ensureDFSResolved();

        // Assert: interaction happened and did not throw
        verify(handle, times(1)).ensureDFSResolved();
        verifyNoMoreInteractions(handle);

    }

    @Test
    @DisplayName("ensureDFSResolved forwards to tree connection with locator")
    void ensureDFSResolvedDelegates() throws Exception {
        // Confirms DFS resolution is delegated with the correct locator
        // Act
        handle.ensureDFSResolved();
        // Assert & interaction verify
        verify(treeConnection).ensureDFSResolved(resourceLoc);
    }

    @Test

                    return tr.acquire();
                }
            }

        }
    }

    SmbResourceLocator ensureDFSResolved(final SmbResourceLocatorImpl loc) throws CIFSException {
        return ensureDFSResolved(loc, null);
    }

    SmbResourceLocator ensureDFSResolved(final SmbResourceLocatorImpl loc, final RequestWithPath request) throws CIFSException {
        if (request instanceof SmbComClose) {

    }

    @Override
    public SmbSessionImpl getSession() {
        return this.treeConnection.getSession();
    }

    @Override
    public void ensureDFSResolved() throws CIFSException {
        this.treeConnection.ensureDFSResolved(this.resourceLoc);
    }

    @Override
    public boolean hasCapability(final int cap) throws SmbException {
        return this.treeConnection.hasCapability(cap);
    }

    /**
     * Ensures that DFS referrals have been resolved for this tree
     * @throws SmbException if an SMB-specific error occurs
     * @throws CIFSException if a general CIFS error occurs
     */
    void ensureDFSResolved() throws CIFSException;

    /**
     * Checks if the server has the specified capability
     * @param cap the capability flag to check
     * @return whether the capability is present

            }
        };
        SmbException ex3 = assertThrows(SmbException.class, () -> c3.connectWrapException(loc));
        assertEquals("boom", ex3.getMessage());
    }

    @Test
    @DisplayName("ensureDFSResolved returns early for SmbComClose requests")
    void ensureDFSResolved_closeRequest_noop() throws Exception {
        SmbTreeConnection c = spy(newConn());

            // Optimization: Resolve DFS only if necessary
            if (this.fileLocator.getURL().getPath().contains("\\")) {
                this.treeHandle.ensureDFSResolved();
            }

            if (this.transportContext.getConfig().isStrictResourceLifecycle()) {
                // one extra share to keep the tree alive
                return this.treeHandle.acquire();