Index: testuno/source/testcase/uno/sc/AddtionOperatorInFormula.java
===================================================================
--- testuno/source/testcase/uno/sc/AddtionOperatorInFormula.java	(revision 0)
+++ testuno/source/testcase/uno/sc/AddtionOperatorInFormula.java	(working copy)
@@ -0,0 +1,157 @@
+/* Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * 
+ *************************************************************/
+
+
+package testcase.uno.sc;
+
+import static org.junit.Assert.assertEquals;
+
+import java.util.Arrays;
+import java.util.Collection;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+import org.openoffice.test.uno.UnoApp;
+
+import com.sun.star.frame.XController;
+import com.sun.star.frame.XModel;
+import com.sun.star.lang.XComponent;
+import com.sun.star.sheet.XSpreadsheet;
+import com.sun.star.sheet.XSpreadsheetDocument;
+import com.sun.star.sheet.XSpreadsheetView;
+import com.sun.star.sheet.XSpreadsheets;
+import com.sun.star.table.XCell;
+import com.sun.star.uno.UnoRuntime;
+
+/**
+ * Check the addition operator works in formula
+ * @author test
+ *
+ */
+@RunWith(value=Parameterized.class)
+public class AddtionOperatorInFormula {
+	
+	private double[] inputData;
+	private double expected;
+	
+	@Parameters
+	public static Collection<Object[]> data(){
+		double[] input1 = new double[] {1.34, 2004.1234};
+		double[] input2 = new double[] {-0.4, -0.73};
+		double[] input3 = new double[] {5.25, -0.35, 11.23, 45, -123.111};
+		double[] input4 = new double[] {-0, 0, 0, -0.0000};
+		return Arrays.asList(new Object[][]{
+				{addtionExpectedData(input1), input1},
+				{addtionExpectedData(input2), input2},
+				{addtionExpectedData(input3), input3},
+				{addtionExpectedData(input4), input4}
+		});
+	}
+	
+	public AddtionOperatorInFormula(double expected, double[] inputData) {
+		this.inputData = inputData;
+		this.expected = expected;
+	}
+	
+	UnoApp unoApp = new UnoApp();
+	
+	XSpreadsheetDocument scDocument = null;
+	XComponent scComponent = null;
+	
+	@Before
+	public void setUp() throws Exception {
+		unoApp.start();
+	}
+
+	@After
+	public void tearDown() throws Exception {
+		Thread.sleep(10000);
+		unoApp.closeDocument(scComponent);
+		Thread.sleep(1000);
+		unoApp.close();
+	}
+	
+	@Test
+	public void testAddtion() throws Exception {
+		String sheetname = "AddTest";
+		String inputformula = null;
+		double cellvalue = 0;
+		
+		//Create Spreadsheet file.
+		scComponent = unoApp.newDocument("scalc");
+		scDocument = (XSpreadsheetDocument) UnoRuntime.queryInterface(XSpreadsheetDocument.class, scComponent);
+		
+		//Create a sheet at the first place.
+		XSpreadsheets spreadsheets = scDocument.getSheets();
+		spreadsheets.insertNewByName(sheetname, (short) 0);
+		Object sheetObj = spreadsheets.getByName(sheetname);
+		XSpreadsheet sheet = (XSpreadsheet) UnoRuntime.queryInterface(XSpreadsheet.class, sheetObj);
+		
+		//Active the new sheet.
+		XModel scModel = (XModel) UnoRuntime.queryInterface(XModel.class, scDocument); 
+        XController scController = scModel.getCurrentController();
+        XSpreadsheetView sheetview = (XSpreadsheetView) UnoRuntime.queryInterface(XSpreadsheetView.class, scController);
+        sheetview.setActiveSheet(sheet);
+		
+		//Input formula string in cell A1.
+		XCell cell = sheet.getCellByPosition(0, 0);
+		inputformula = toFormula(createFormulaString(inputData, "+"));
+		cell.setFormula(inputformula);
+		
+		//Get the formula calculation result.
+		cellvalue = cell.getValue();
+		
+		//Verify whether the actual result equal to the expected.
+		assertEquals("Unexpected calculate result.", expected, cellvalue, 0);
+		
+		Thread.sleep(5000);
+	}
+	
+	//Create formula string
+	private static String toFormula(String expression) {
+		return "=" + expression;
+	}
+	
+	private static String createFormulaString(double[] inputData, String operator) {
+		StringBuffer buffer = new StringBuffer();
+		
+		for (int i = 0; i < inputData.length; i++) {
+			buffer.append(inputData[i]);
+			if (i < inputData.length - 1) {
+				buffer.append(operator);
+			}
+		}
+		return buffer.toString();
+	}
+	
+	//Calculate the expected result
+	private static double addtionExpectedData(double[] inputData){
+		double data = 0;
+		for (double input : inputData) {
+			data += input;
+		}
+		return data;
+	}
+
+}