assertArgumentNotNull("field", field);

        try {
            return (T) field.get(target);
        } catch (final IllegalAccessException ex) {
            throw new IllegalAccessRuntimeException(field.getDeclaringClass(), ex);
        }
    }

    /**
     * Returns the value of a {@literal static} {@link Field} as an int.
     *
     * @param field the field (must not be {@literal null})

        void testGetSigningKeyThrows() {
            DummySSPContext ctx = new DummySSPContext(null, false, null, null, 0, false);
            CIFSException ex = assertThrows(CIFSException.class, ctx::getSigningKey);
            assertTrue(ex.getMessage().contains("signing key"));
        }

        @Test
        @DisplayName("initSecContext throws on invalid ranges")
        void testInitSecContextInvalidRanges() {

                return k.getEncoded();
            } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
                throw new SmbException("Failed to query Kerberos session key from ExtendedGSSContext", ex);
            }
        }
        throw new SmbException("ExtendedGSSContext is not implemented by GSSContext");
    }

    @Override

        when(handle.isValid()).thenReturn(false);
        SmbWatchHandleImpl sut = new SmbWatchHandleImpl(handle, 0, false);

        SmbException ex = assertThrows(SmbException.class, sut::watch, "Expected SmbException when handle invalid");
        assertTrue(ex.getMessage().contains("Watch was broken by tree disconnect"));
    }

    // Happy path for SMB2: a response is received and the list is returned; tree is closed
    @Test

    @Test
    @DisplayName("release below zero throws RuntimeCIFSException")
    void release_belowZero_throws() {
        SmbTreeConnection c = newConn();
        RuntimeCIFSException ex = assertThrows(RuntimeCIFSException.class, c::release);
        assertTrue(ex.getMessage().toLowerCase().contains("usage count"));
    }

    @Test
    @DisplayName("isConnected reflects underlying tree state")
    void isConnected_usesTree() {

    }

    @Override
    public Object clone() {
        try {
            return new HMACT64(this);
        } catch (final CloneNotSupportedException ex) {
            throw new IllegalStateException(ex.getMessage());
        }
    }

    @Override
    protected byte[] engineDigest() {
        final byte[] digest = this.md5.digest();
        this.md5.update(this.opad);

                            throw new SmbAuthException(NtStatus.NT_STATUS_LOGON_FAILURE);
                        }

                        if (ex != null) {
                            throw ex;
                        }

                        uid = response.uid;

                        if (request.digest != null) {

            } catch (final Exception ex) {
                final String msg = ex.getMessage();
                final boolean timeout = msg != null && msg.equals("Read timed out");
                /* If just a timeout, try to disconnect gracefully
                 */
                final boolean hard = !timeout;

                if (!timeout && LogStream.level >= 3) {
                    ex.printStackTrace(log);
                }

        byte[] domain = {};
        if (domainStr != null) {
            try {
                domain = domainStr.getBytes(UNI_ENCODING);
            } catch (final IOException ex) {
                log.debug("Failed to get domain bytes", ex);
            }
        }
        final int domainLength = domain.length;
        byte[] server = {};
        final String host = tc.getNameServiceClient().getLocalHost().getHostName();

        // Exception path
        when(treeConnection.hasCapability(999)).thenThrow(new SmbException("Not connected"));
        SmbException ex = assertThrows(SmbException.class, () -> handle.hasCapability(999));
        assertTrue(ex.getMessage().contains("Not connected"));
    }

    @Test
    @DisplayName("getTreeId delegates")
    void getTreeIdDelegates() {