assertEquals(0x08, SmbConstants.TYPE_SHARE);
        assertEquals(0x10, SmbConstants.TYPE_NAMED_PIPE);
        assertEquals(0x20, SmbConstants.TYPE_PRINTER);
        assertEquals(0x40, SmbConstants.TYPE_COMM);
    }

    @Test
    @DisplayName("Should define open flags constants")
    void testOpenFlagsConstants() {
        assertEquals(0x01, SmbConstants.O_RDONLY);

        assertEquals(SmbConstants.TYPE_PRINTER, tree2.getTreeType());

        SmbTreeImpl tree3 = new SmbTreeImpl(session, "COMM", "COMM");
        assertEquals(SmbConstants.TYPE_COMM, tree3.getTreeType());
    }

    // Test case for DFS related methods
    @Test
    void testDfs() throws SmbException {
        SmbTreeImpl tree = new SmbTreeImpl(session, "SHARE", "A:");

     * @return <code>TYPE_FILESYSTEM, TYPE_WORKGROUP, TYPE_SERVER,
     * TYPE_NAMED_PIPE</code>, or <code>TYPE_SHARE</code> in which case it may be either <code>TYPE_SHARE</code>,
     *         <code>TYPE_PRINTER</code> or <code>TYPE_COMM</code>.
     * @throws CIFSException if the type cannot be determined
     */
    int getType() throws CIFSException;

    /**
     * Determines whether this resource represents a workgroup reference.
     *

        if ("LPT1:".equals(connectedService)) {
            return SmbConstants.TYPE_PRINTER;
        }
        if ("COMM".equals(connectedService)) {
            return SmbConstants.TYPE_COMM;
        }
        return SmbConstants.TYPE_SHARE;
    }

    /**
     * @return the service
     */
    public String getService() {
        return this.service;
    }

    /**

     */
    int TYPE_PRINTER = 0x20;
    /**
     * Returned by {@link jcifs.SmbResource#getType()} if the resource this <code>SmbFile</code>
     * represents is a communications device.
     */
    int TYPE_COMM = 0x40;

    /* open flags */

    /**
     * Open for reading only.
     */
    int O_RDONLY = 0x01;
    /**
     * Open for writing only.
     */
    int O_WRONLY = 0x02;
    /**

    public static final int TYPE_PRINTER = 0x20;
    /**
     * Returned by {@link #getType()} if the resource this {@code SmbFile}
     * represents is a communications device.
     */
    public static final int TYPE_COMM = 0x40;

    private String canon; // Initially null; set by getUncPath; dir must end with '/'
    private String share; // Can be null
    private long createTime;
    private long lastModified;

    /**
     * Returns type of of object this <code>SmbResource</code> represents.
     *
     * @return <code>TYPE_FILESYSTEM, TYPE_WORKGROUP, TYPE_SERVER, TYPE_SHARE,
     * TYPE_PRINTER, TYPE_NAMED_PIPE</code>, or <code>TYPE_COMM</code>.
     * @throws CIFSException if an error occurs accessing the resource
     */
    int getType() throws CIFSException;

    /**
     * Tests to see if the SMB resource exists. If the resource refers