assertEquals(DialectVersion.SMB311, gcm.getDialect());
        }
    }

    @Test
    @DisplayName("getRequestSecurityMode honors enforced and server-required flags")
    void requestSecurityMode() {
        // Not enforced, server does not require -> enabled only
        Smb2NegotiateResponse first = mock(Smb2NegotiateResponse.class);

        verify(resp, atLeastOnce()).reset();
        // Verify disconnect was called on retry
        verify(c, atLeastOnce()).disconnect(eq(true));
    }

    @Test
    @DisplayName("send honors NO_RETRY and propagates error immediately")
    void send_noRetry_param() throws Exception {
        SmbTreeConnection c = newConn();
        SmbTreeImpl tree = mock(SmbTreeImpl.class);