}

    /**
     * Test for isConnected() method.
     * Verifies that the method returns the correct connected status.
     */
    @Test
    void testIsConnected() {
        when(smbTreeHandle.isConnected()).thenReturn(true);
        assertTrue(smbTreeHandle.isConnected(), "isConnected() should return true");
        when(smbTreeHandle.isConnected()).thenReturn(false);

        tree.acquire();
        tree.release();
    }

    // Test case for isConnected method
    @Test
    void testIsConnected() throws CIFSException, IOException {
        SmbTreeImpl tree = new SmbTreeImpl(session, "SHARE", "A:");
        assertFalse(tree.isConnected());
    }

    // Test case for getTreeType method
    @Test
    void testGetTreeType() {

    /**
     * @return whether we have a valid tree connection
     */
    @SuppressWarnings("resource")
    public synchronized boolean isConnected() {
        final SmbTreeImpl t = getTreeInternal();
        return t != null && t.isConnected();
    }

    /**
     *
     * @param loc
     * @param host
     * @return tree handle
     * @throws IOException
     */

        // Arrange: spy isConnected() to return true; increment usage via acquire()
        CIFSContext ctx = mock(CIFSContext.class);
        SmbTreeConnectionTrace trace = Mockito.spy(new SmbTreeConnectionTrace(ctx));
        doReturn(true).when(trace).isConnected();
        trace.acquire(); // usageCount becomes 1

        // Act & Assert: checkRelease should call isConnected() and not throw

        assertFalse(h.isValid());

        // Connected=false makes it invalid
        when(tree.getTreeId()).thenReturn(10L);
        when(tree.isConnected()).thenReturn(false);
        assertFalse(h.isValid());

        // Mark closed makes it invalid
        when(tree.isConnected()).thenReturn(true);
        assertTrue(h.isValid());
        h.markClosed();
        assertFalse(h.isValid());
    }

    @Test

    }

    @Test
    @DisplayName("isConnected reflects underlying tree state")
    void isConnected_usesTree() {
        SmbTreeConnection c = newConn();
        // No tree -> false
        assertFalse(c.isConnected());

        SmbTreeImpl tree = mock(SmbTreeImpl.class);
        when(tree.isConnected()).thenReturn(true);
        setTree(c, tree);
        assertTrue(c.isConnected());
    }

    @Test

        assertSame(config, handle.getConfig());
        verify(treeConnection).getConfig();

        // isConnected delegates
        when(treeConnection.isConnected()).thenReturn(true, false);
        assertTrue(handle.isConnected());
        assertFalse(handle.isConnected());
        verify(treeConnection, times(2)).isConnected();
    }

    @Test
    @DisplayName("getSession returns underlying session from tree connection")

        return this.treeConnection.hasCapability(cap);
    }

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

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

    if (ceilingEntry != null
        && ceilingEntry.getValue().isConnected(range)
        && !ceilingEntry.getValue().intersection(range).isEmpty()) {
      return true;
    }
    Entry<Cut<C>, Range<C>> priorEntry = rangesByLowerBound.lowerEntry(range.lowerBound);
    return priorEntry != null
        && priorEntry.getValue().isConnected(range)
        && !priorEntry.getValue().intersection(range).isEmpty();
  }

        }
    }

    /**
     *
     * @return whether the tree is connected
     */
    public boolean isConnected() {
        return this.tid != -1 && this.session.isConnected() && this.connectionState.get() == 2;
    }

    /**
     * @return the type of this tree
     */
    public int getTreeType() {