try{
HSSFWorkbook b = new HSSFWorkbook();
HSSFSheet s = b.createSheet("Test");
s.addMergedRegion(new Region((short)0,(short)0,(short)1,(short)1));
HSSFSheet clonedSheet = b.cloneSheet(0);
assertEquals("One merged area", 1, clonedSheet.getNumMergedRegions());
}
catch(Exception e){e.printStackTrace();fail(e.getMessage());}