@Override
                public boolean accept(SmbFile file) throws SmbException {
                    if (file == null) {
                        throw new SmbException("null file");
                    }
                    return true;
                }
            };
            assertThrows(SmbException.class, () -\u003e throwOnNull.accept(null));
        }
    }

    @Nested

        }
        return this.handle.acquire();
    }

    /**
     * Converts an SmbException to an IOException
     *
     * @param se the SmbException to convert
     * @return an IOException wrapping the SmbException
     */
    protected static IOException seToIoe(final SmbException se) {
        IOException ioe = se;
        Throwable root = se.getCause();

     * @param w
     * @param dh
     * @param sh
     * @param req
     * @param resp
     * @throws SmbException
     */
    static void copyFile(final SmbFile src, final SmbFile dest, final byte[][] b, final int bsize, final WriterThread w,
            final SmbTreeHandleImpl sh, final SmbTreeHandleImpl dh) throws SmbException {

        if (sh.isSMB2() && dh.isSMB2() && sh.isSameTree(dh)) {
            try {

        // Simulate network name deleted error
        SmbException networkDeletedError = new SmbException(SmbException.NT_STATUS_NETWORK_NAME_DELETED, false);
        doThrow(networkDeletedError).when(session).send(any(ServerMessageBlock.class), any(ServerMessageBlock.class));

        // Execute and verify exception is thrown
        assertThrows(SmbException.class, () -> tree.send(request, response));

     * Establish a tree connection with the configured logon share
     *
     * @throws SmbException
     */
    @Override
    public void treeConnectLogon() throws SmbException {
        String logonShare = getContext().getConfig().getLogonShare();
        if (logonShare == null || logonShare.isEmpty()) {
            throw new SmbException("Logon share is not defined");
        }

            when(src.toString()).thenReturn("smb://src");
            when(dest.toString()).thenReturn("smb://dest");

            // Act + Assert
            SmbException ex =
                    assertThrows(SmbException.class, () -> SmbCopyUtil.copyFile(src, dest, buffers, 8, new WriterThread(), sh, dh));
            assertTrue(ex.getMessage().contains("smb://src"));

    /**
     * Exception flow: filter throws SmbException and it propagates to caller.
     */
    @Test
    @DisplayName("throws SmbException as declared by contract")
    void throwsSmbExceptionFromFilter() {
        SmbFilenameFilter filter = (dir, name) -> {
            throw new SmbException("boom");
        };

        SmbException ex = assertThrows(SmbException.class, () -> filter.accept(mockDir, "x"));

        SmbTreeConnectionTrace trace = Mockito.spy(new SmbTreeConnectionTrace(ctx));
        SmbException original = new SmbException("original");
        doThrow(original).when(trace).connect(loc);

        // Act & Assert
        SmbException ex = assertThrows(SmbException.class, () -> trace.connectWrapException(loc));
        assertSame(original, ex);
    }

            rpc.retval = errorCode; // Simulate failure
            return null;
        }).when(mockDcerpcHandle).sendrecv(any(MsrpcSamrOpenAlias.class));

        // Act & Assert
        SmbException thrown = assertThrows(SmbException.class, () -> {
            new SamrAliasHandle(mockDcerpcHandle, mockSamrDomainHandle, access, rid);
        });

        assertEquals(errorCode, thrown.getNtStatus());
    }

    @Test

                throw new SmbException("Failed to query Kerberos session key from ExtendedGSSContext", ex);
            }
        }
        throw new SmbException("ExtendedGSSContext is not implemented by GSSContext");
    }

    @Override
    public byte[] initSecContext(byte[] token, int off, int len) throws SmbException {
        try {