@Test
public void testRowColumnToCellNAme() {

    String cellName = RuleSheetParserUtil.rc2name( 0, 0 );
    assertEquals( "A1", cellName );
    cellName = RuleSheetParserUtil.rc2name( 0, 10 );
    assertEquals( "K1", cellName );
    cellName = RuleSheetParserUtil.rc2name( 0, 42 );
    assertEquals( "AQ1", cellName );
    cellName = RuleSheetParserUtil.rc2name( 9, 27 );
    assertEquals( "AB10", cellName );
    cellName = RuleSheetParserUtil.rc2name( 99, 53 );
    assertEquals( "BB100", cellName );
}