// Given
            when(mockResource.openInputStream()).thenReturn(mockInputStream);
            when(mockResource.openInputStream(anyInt())).thenReturn(mockInputStream);
            when(mockResource.openInputStream(anyInt(), anyInt(), anyInt())).thenReturn(mockInputStream);

            // When
            InputStream is1 = mockResource.openInputStream();
            InputStream is2 = mockResource.openInputStream(1);

     */
    InputStream openInputStream(int sharing) throws CIFSException;

    /**
     * Opens an input stream reading the file (read only, sharable)
     *
     * @return input stream, needs to be closed when finished
     * @throws CIFSException if an error occurs accessing the resource
     */
    InputStream openInputStream() throws CIFSException;

    /**

    @Override
    public SmbFileInputStream openInputStream() throws SmbException {
        return new SmbFileInputStream(this);
    }

    @Override
    public SmbFileInputStream openInputStream(final int sharing) throws SmbException {
        return openInputStream(0, O_RDONLY, sharing);
    }

    @Override