add tests

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1901352 13f79535-47bb-0310-9956-ffa450edef68

poi/src/test/java/org/apache/poi/ss/formula/functions/TestStdev.java

@@ -66,6 +66,16 @@ public class TestStdev {
         }
     }
 
+    @Test
+    void testStringsWithNums() throws IOException {
+        try (HSSFWorkbook wb = initWorkbook3()) {
+            HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
+            HSSFCell cell = wb.getSheetAt(0).getRow(0).createCell(12);
+            assertDouble(fe, cell, "STDEVA(A2:A7)", 4.546060565661952, 0.00000000001);
+            assertDouble(fe, cell, "STDEV(A2:A7)", 3.559026084010437, 0.00000000001);
+        }
+    }
+
     private HSSFWorkbook initWorkbook1() {
         HSSFWorkbook wb = new HSSFWorkbook();
         HSSFSheet sheet = wb.createSheet();
@@ -96,4 +106,17 @@ public class TestStdev {
         addRow(sheet, 6, false);
         return wb;
     }
+
+    private HSSFWorkbook initWorkbook3() {
+        HSSFWorkbook wb = new HSSFWorkbook();
+        HSSFSheet sheet = wb.createSheet();
+        addRow(sheet, 0, "Data");
+        addRow(sheet, 1, 10);
+        addRow(sheet, 2, 7);
+        addRow(sheet, 3, 9);
+        addRow(sheet, 4, 2);
+        addRow(sheet, 5, "4.5");
+        addRow(sheet, 6, "14");
+        return wb;
+    }
 }

poi/src/test/java/org/apache/poi/ss/formula/functions/TestVar.java

@@ -65,6 +65,16 @@ public class TestVar {
         }
     }
 
+    @Test
+    void testStringsWithNums() throws IOException {
+        try (HSSFWorkbook wb = initWorkbook3()) {
+            HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
+            HSSFCell cell = wb.getSheetAt(0).getRow(0).createCell(12);
+            assertDouble(fe, cell, "VARA(A2:A7)", 20.666666666666668, 0.00000000001);
+            assertDouble(fe, cell, "VAR(A2:A7)", 12.666666666666666, 0.00000000001);
+        }
+    }
+
     private HSSFWorkbook initWorkbook1() {
         HSSFWorkbook wb = new HSSFWorkbook();
         HSSFSheet sheet = wb.createSheet();
@@ -95,4 +105,17 @@ public class TestVar {
         addRow(sheet, 6, false);
         return wb;
     }
+
+    private HSSFWorkbook initWorkbook3() {
+        HSSFWorkbook wb = new HSSFWorkbook();
+        HSSFSheet sheet = wb.createSheet();
+        addRow(sheet, 0, "Data");
+        addRow(sheet, 1, 10);
+        addRow(sheet, 2, 7);
+        addRow(sheet, 3, 9);
+        addRow(sheet, 4, 2);
+        addRow(sheet, 5, "4.5");
+        addRow(sheet, 6, "14");
+        return wb;
+    }
 }