Tests to show that bugs 44891 and 44861 were both already fixed

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@652329 13f79535-47bb-0310-9956-ffa450edef68

src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java

@@ -882,10 +882,20 @@ public final class TestBugs extends TestCase {
      * Bug 28774: Excel will crash when opening xls-files with images.
      */
     public void test28774() {
-
         HSSFWorkbook wb = openSample("28774.xls");
         assertTrue("no errors reading sample xls", true);
         writeOutAndReadBack(wb);
         assertTrue("no errors writing sample xls", true);
     }
+    
+    /**
+     * Had a problem apparently, not sure what as it
+     *  works just fine...
+     */
+    public void test44891() throws Exception {
+    	HSSFWorkbook wb = openSample("44891.xls");
+        assertTrue("no errors reading sample xls", true);
+        writeOutAndReadBack(wb);
+        assertTrue("no errors writing sample xls", true);
+    }
 }

src/testcases/org/apache/poi/hssf/usermodel/TestFormulaEvaluatorBugs.java

@@ -19,6 +19,7 @@ package org.apache.poi.hssf.usermodel;
 
 import java.io.File;
 import java.io.FileOutputStream;
+import java.util.Iterator;
 import java.util.List;
 
 import junit.framework.TestCase;
@@ -252,4 +253,29 @@ public final class TestFormulaEvaluatorBugs extends TestCase {
 		}
 		assertEquals(true, cell.getBooleanCellValue());
 	}
-}
+	
+	public void testClassCast_bug44861() throws Exception {
+		HSSFWorkbook wb = HSSFTestDataSamples.
+			openSampleWorkbook("44861.xls");
+		
+		// Check direct
+		HSSFFormulaEvaluator.evaluateAllFormulaCells(wb);
+		
+		// And via calls
+		int numSheets = wb.getNumberOfSheets();
+		for(int i=0; i<numSheets; i++) {
+			HSSFSheet s = wb.getSheetAt(i);
+			HSSFFormulaEvaluator eval = new HSSFFormulaEvaluator(s,wb);
+			
+			for(Iterator rows = s.rowIterator(); rows.hasNext();) {
+		        HSSFRow r = (HSSFRow)rows.next();
+		        eval.setCurrentRow(r);
+		        
+		        for(Iterator cells = r.cellIterator(); cells.hasNext();) {
+		        	HSSFCell c = (HSSFCell)cells.next();
+		        	eval.evaluateFormulaCell(c);
+		        }
+			}
+		}
+	}
+}