"share, " // empty service
    })
    void getSmbTree_invalid(String share, String service) {
        doThrow(new IllegalArgumentException("invalid share/service")).when(session).getSmbTree(eq(share), eq(service));

        IllegalArgumentException ex = assertThrows(IllegalArgumentException.class, () -> session.getSmbTree(share, service));
        assertTrue(ex.getMessage().contains("invalid"));

     */
    int connectionState;
    int tid;

    String share;
    String service = "?????";
    String service0;
    SmbSession session;
    boolean inDfs, inDomainDfs;
    int tree_num; // used by SmbFile.isOpen

    SmbTree(final SmbSession session, final String share, final String service) {
        this.session = session;
        this.share = share.toUpperCase();
        if (service != null && !service.startsWith("??")) {

            p++;
        }
        while (p < len && pathInfo.charAt(p) == '/') {
            p++;
        }
        if (p < len) { /* then there must be a share */
            out[i] = '/';
            i++;
            do { /* collect the share name */
                out[i++] = ch = pathInfo.charAt(p++);
            } while (p < len && ch != '/');
        }
        return new String(out, 0, i);
    }

        SmbTreeImpl tree = new SmbTreeImpl(session, "SHARE", "A:");
        assertNotNull(tree);
        assertEquals("SHARE", tree.getShare());
        assertEquals("A:", tree.getService());
    }

    // Test case for the matches method
    @Test
    void testMatches() {
        SmbTreeImpl tree = new SmbTreeImpl(session, "SHARE", "A:");
        assertTrue(tree.matches("share", "A:"));

            p++;
        }
        while (p < len && pathInfo.charAt(p) == '/') {
            p++;
        }
        if (p < len) { /* then there must be a share */
            out[i] = '/';
            i++;
            do { /* collect the share name */
                out[i++] = ch = pathInfo.charAt(p++);
            } while (p < len && ch != '/');
        }
        return new String(out, 0, i);
    }

            assertEquals("smb1://server/share/", new SmbFile("smb1://server/share/file.txt").getParent());
            // Test parent of a directory
            assertEquals("smb1://server/share/", new SmbFile("smb1://server/share/dir/").getParent());
            // Test parent of a share
            assertEquals("smb1://server/", new SmbFile("smb1://server/share/").getParent());
            // Test parent of a server

        }

        /*
         * Subtract the server and share from the pathConsumed so that
         * it reflects the part of the relative path consumed and not
         * the entire path.
         */

        DfsReferralDataInternal next = dri;
        do {
            next.stripPathConsumed(1 + server.length() + 1 + share.length());
            next = next.next();
        } while (next != dri);

                this.canon = "/" + this.share + "/" + StringUtil.join("/", remainParts) + (trailingSlash ? "/" : "");
            } else {
                this.unc = "\\";
                if (this.share != null) {
                    this.canon = "/" + this.share + (trailingSlash ? "/" : "");
                } else {
                    this.canon = "/";
                }

        }
    }

    /**
     * Validates share name
     *
     * @param share the share name to validate
     * @throws IllegalArgumentException if share name is invalid
     */
    public static void validateShareName(String share) {
        if (share == null || share.isEmpty()) {
            throw new IllegalArgumentException("Share name cannot be null or empty");
        }

        assertTrue(tree.matches("testshare", "TESTSERVICE"));

        // Test matching share with null service
        assertTrue(tree.matches("testShare", null));

        // Test matching share with service starting with "??"
        assertTrue(tree.matches("testShare", "??otherService"));

        // Test non-matching share
        assertFalse(tree.matches("otherShare", "testService"));

        // Test non-matching service