From 0a467f10c3bc311691484b37d3ffb0788e5be2d0 Mon Sep 17 00:00:00 2001
From: Dominik Stadler <centic@apache.org>
Date: Tue, 5 Jul 2016 07:24:14 +0000
Subject: [PATCH] Add a unit-test to verify that
 DataFormatter.formatCellValue() does format formula-results correctly

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1751400 13f79535-47bb-0310-9956-ffa450edef68
---
 .../poi/ss/usermodel/TestDataFormatter.java   | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/testcases/org/apache/poi/ss/usermodel/TestDataFormatter.java b/src/testcases/org/apache/poi/ss/usermodel/TestDataFormatter.java
index c4903214a0..f5e79c8c90 100644
--- a/src/testcases/org/apache/poi/ss/usermodel/TestDataFormatter.java
+++ b/src/testcases/org/apache/poi/ss/usermodel/TestDataFormatter.java
@@ -32,10 +32,12 @@ import java.util.Calendar;
 import java.util.Date;
 import java.util.Locale;
 
+import org.apache.poi.hssf.HSSFTestDataSamples;
 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
 import org.apache.poi.hssf.usermodel.TestHSSFDataFormatter;
 import org.apache.poi.ss.format.CellFormat;
 import org.apache.poi.ss.format.CellFormatResult;
+import org.apache.poi.ss.util.CellReference;
 import org.apache.poi.ss.util.NumberToTextConverter;
 import org.apache.poi.util.LocaleUtil;
 import org.apache.poi.util.SuppressForbidden;
@@ -775,4 +777,22 @@ public class TestDataFormatter {
             wb.close();
         }
     }
+
+    @Test
+    public void testFormulaEvaluation() throws IOException {
+        Workbook wb = HSSFTestDataSamples.openSampleWorkbook("FormulaEvalTestData.xls");
+
+        CellReference ref = new CellReference("D47");
+
+        Cell cell = wb.getSheetAt(0).getRow(ref.getRow()).getCell(ref.getCol());
+        //noinspection deprecation
+        assertEquals(CellType.FORMULA, cell.getCellTypeEnum());
+        assertEquals("G9:K9 I7:I12", cell.getCellFormula());
+
+        DataFormatter formatter = new DataFormatter();
+        FormulaEvaluator evaluator = wb.getCreationHelper().createFormulaEvaluator();
+        assertEquals("5.6789", formatter.formatCellValue(cell, evaluator));
+
+        wb.close();
+    }
 }