/* ------------------------------------------------------------------ */
/** verifies that the content of a given cell equals a given string
*/
private boolean verifyVoidCell( short col, short row, String failErrorMessage ) throws com.sun.star.uno.Exception
{
XCellRangeData cell = (XCellRangeData)UnoRuntime.queryInterface( XCellRangeData.class,
m_document.getSheet( 0 ).getCellByPosition( col, row )
);
Object cellContent = cell.getDataArray()[0][0];
if ( ((com.sun.star.uno.Any)cellContent).getType().getTypeClass() != com.sun.star.uno.TypeClass.VOID )
{
failed( failErrorMessage );
return false;
}