assertFalse(DialectVersion.SMB1.isSMB2());

        // SMB2+ versions should be identified as SMB2
        assertTrue(DialectVersion.SMB202.isSMB2());
        assertTrue(DialectVersion.SMB210.isSMB2());
        assertTrue(DialectVersion.SMB300.isSMB2());
        assertTrue(DialectVersion.SMB302.isSMB2());
        assertTrue(DialectVersion.SMB311.isSMB2());
    }

    @Test

    }

    /**
     * Test for isSMB2() method.
     * Verifies that the method returns the correct SMB protocol version status.
     */
    @Test
    void testIsSMB2() {
        when(smbTreeHandle.isSMB2()).thenReturn(true);
        assertTrue(smbTreeHandle.isSMB2(), "isSMB2() should return true");
        when(smbTreeHandle.isSMB2()).thenReturn(false);

    @Test
    @DisplayName("isSMB2 returns true/false and can throw")
    void isSMB2_variants() throws Exception {
        when(transport.isSMB2()).thenReturn(true, false);
        assertTrue(transport.isSMB2());
        assertFalse(transport.isSMB2());
        verify(transport, times(2)).isSMB2();

        doThrow(new SmbException("query failed")).when(transport).isSMB2();

        this.signingEnforced = signingEnforced;
        setFlags2(config.getFlags2());

        if (config.getMinimumVersion().isSMB2()) {
            this.dialects = new String[] { "SMB 2.???", "SMB 2.002" };
        } else if (config.getMaximumVersion().isSMB2()) {
            this.dialects = new String[] { "NT LM 0.12", "SMB 2.???", "SMB 2.002" };
        } else {
            this.dialects = new String[] { "NT LM 0.12" };

    @Nested
    class CopyFileExceptions {

        private SmbTreeHandleImpl newTreeHandle(boolean isSmb2) throws Exception {
            SmbTreeHandleImpl th = mock(SmbTreeHandleImpl.class);
            lenient().when(th.isSMB2()).thenReturn(isSmb2);
            return th;
        }

        private CIFSContext ctxWithIgnore(boolean ignore) {

     */
    boolean isSameTree(SmbTreeHandle th);

    /**
     * Checks if this tree handle uses SMB2 or later protocol
     * @return whether this tree handle uses SMB2+
     */
    boolean isSMB2();

    /**
     * Gets the remote host name for this tree connection
     * @return the remote host name
     */
    String getRemoteHostName();

    /**

        verify(transport, times(4)).close();
    }

    @Test
    @DisplayName("isSMB2 true and exception fallback to false")
    void isSMB2Cases() throws Exception {
        // Happy path returns true; transport exception path returns false
        when(transport.isSMB2()).thenReturn(true);
        assertTrue(handle.isSMB2());

        reset(transport);
        when(session.getTransport()).thenReturn(transport);

        this.smb2 = true;
        this.dialect = dialectId;
    }

    /**
     * Check if this is an SMB2 dialect version
     *
     * @return the smb2
     */
    public final boolean isSMB2() {
        return this.smb2;
    }

    /**
     * Get the SMB2 dialect identifier
     *
     * @return the dialect
     */
    public final int getDialect() {
        if (!this.smb2) {

        }
    }

    /**
     * @return whether this tree handle uses SMB2
     */
    @Override
    public boolean isSMB2() {
        try (SmbSessionImpl session = this.treeConnection.getSession(); SmbTransportImpl transport = session.getTransport()) {
            return transport.isSMB2();
        } catch (final SmbException e) {
            log.debug("Failed to connect for determining SMB2 support", e);

    /**
     * Checks if this transport uses the SMB2 protocol.
     *
     * @return whether this is a SMB2 connection
     * @throws SmbException if an error occurs checking protocol version
     */
    boolean isSMB2() throws SmbException;

    /**
     * Gets the number of currently pending requests.
     *
     * @return number of inflight requests
     */
    int getInflightRequests();