Fixes bug #61468, caused by a confusing OOXML spec design as noted in JavaDocs added in r1795648.

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1806623 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/ss/formula/FormulaParser.java

         // Done reading from input stream
         // Ok to return now
 
-        if (isTotalsSpec && !tbl.isHasTotalsRow()) {
+        if (isTotalsSpec && tbl.getTotalsRowCount() == 0) {
             return new ParseNode(ErrPtg.REF_INVALID);
         }
         if ((isThisRow || isThisRowSpec) && (_rowIndex < startRow || endRow < _rowIndex)) {
             if (nSpecQuantifiers == 1 && isAllSpec) {
                 //do nothing
             } else if (isDataSpec && isHeadersSpec) {
-                if (tbl.isHasTotalsRow()) {
+                if (tbl.getTotalsRowCount() > 0) {
                     actualEndRow = endRow - 1;
                 }
             } else if (isDataSpec && isTotalsSpec) {
                 actualStartRow = startRow + 1;
             } else if (nSpecQuantifiers == 1 && isDataSpec) {
                 actualStartRow = startRow + 1;
-                if (tbl.isHasTotalsRow()) {
+                if (tbl.getTotalsRowCount() > 0) {
                     actualEndRow = endRow - 1;
                 }
             } else if (nSpecQuantifiers == 1 && isHeadersSpec) {
                 actualEndRow = _rowIndex; 
             } else { // Really no special quantifiers
                 actualStartRow++;
-                if (tbl.isHasTotalsRow()) actualEndRow--;
+                if (tbl.getTotalsRowCount() > 0) actualEndRow--;
             }
         }
 

src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFFormulaEvaluation.java

         assertSame(cell, same);
         wb.close();
     }
+    
+    @Test
+    public void testBug61468() {
+        Workbook wb = XSSFTestDataSamples.openSampleWorkbook("simple-monthly-budget.xlsx");
+        FormulaEvaluator evaluator = wb.getCreationHelper().createFormulaEvaluator();
+        Cell cell = wb.getSheetAt(0).getRow(8).getCell(4);
+        assertEquals(3750, cell.getNumericCellValue(), 0.001);
+
+        CellValue value = evaluator.evaluate(cell);
+        assertEquals(3750, value.getNumberValue(), 0.001);
+    }
 }

src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFTable.java

     public void isHasTotalsRow() throws IOException {
         XSSFWorkbook wb = XSSFTestDataSamples.openSampleWorkbook("StructuredReferences.xlsx");
         XSSFTable table = wb.getTable("\\_Prime.1");
-        assertFalse(table.isHasTotalsRow());
+        assertFalse(table.getTotalsRowCount() > 0);
         wb.close(); 
     }