#59746 XSSF support for files from certain alternate tools where the row XML is missing the row number

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1749971 13f79535-47bb-0310-9956-ffa450edef68

src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFRow.java

@@ -77,6 +77,16 @@ public class XSSFRow implements Row, Comparable<XSSFRow> {
             _cells.put(colI, cell);
             sheet.onReadCell(cell);
         }
+        
+        if (! row.isSetR()) {
+            // Certain file format writers skip the row number
+            // Assume no gaps, and give this the next row number
+            int nextRowNum = sheet.getLastRowNum()+2;
+            if (nextRowNum == 2 && sheet.getPhysicalNumberOfRows() == 0) {
+                nextRowNum = 1;
+            }
+            row.setR(nextRowNum);
+        }
     }
 
     /**

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

@@ -3088,7 +3088,6 @@ public final class TestXSSFBugs extends BaseTestBugzillaIssues {
      *  to include the row number on the row tags
      */
     @Test
-    @Ignore("Not yet supported")
     public void noRowNumbers59746() {
         Workbook wb = XSSFTestDataSamples.openSampleWorkbook("59746_NoRowNums.xlsx");
         Sheet sheet = wb.getSheetAt(0);
@@ -3096,5 +3095,8 @@ public final class TestXSSFBugs extends BaseTestBugzillaIssues {
         assertEquals("Checked", sheet.getRow(0).getCell(0).getStringCellValue());
         assertEquals("Checked", sheet.getRow(9).getCell(2).getStringCellValue());
         assertEquals(false, sheet.getRow(70).getCell(8).getBooleanCellValue());
+        assertEquals(71, sheet.getPhysicalNumberOfRows());
+        assertEquals(70, sheet.getLastRowNum());
+        assertEquals(70, sheet.getRow(sheet.getLastRowNum()).getRowNum());
     }
 }