| /* ==================================================================== |
| 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 org.apache.poi.ss.formula.atp; |
| |
| import org.apache.poi.hssf.usermodel.HSSFWorkbook; |
| import org.apache.poi.ss.usermodel.Cell; |
| import org.apache.poi.ss.usermodel.CellType; |
| import org.apache.poi.ss.usermodel.FormulaEvaluator; |
| import org.apache.poi.ss.usermodel.Row; |
| import org.apache.poi.ss.usermodel.Sheet; |
| import org.apache.poi.ss.usermodel.Workbook; |
| import org.apache.poi.ss.util.CellReference; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * Testcase for 'Analysis Toolpak' function IFERROR() |
| * |
| * @author Johan Karlsteen |
| */ |
| public class TestIfError extends TestCase { |
| |
| /** |
| * =IFERROR(210/35,\"Error in calculation\")" Divides 210 by 35 and returns 6.0 |
| * =IFERROR(55/0,\"Error in calculation\")" Divides 55 by 0 and returns the error text |
| * =IFERROR(C1,\"Error in calculation\")" References the result of dividing 55 by 0 and returns the error text |
| */ |
| public static void testEvaluate(){ |
| Workbook wb = new HSSFWorkbook(); |
| Sheet sh = wb.createSheet(); |
| Row row1 = sh.createRow(0); |
| Row row2 = sh.createRow(1); |
| |
| // Create cells |
| row1.createCell(0, CellType.NUMERIC); |
| row1.createCell(1, CellType.NUMERIC); |
| row1.createCell(2, CellType.NUMERIC); |
| row2.createCell(0, CellType.NUMERIC); |
| row2.createCell(1, CellType.NUMERIC); |
| |
| // Create references |
| CellReference a1 = new CellReference("A1"); |
| CellReference a2 = new CellReference("A2"); |
| CellReference b1 = new CellReference("B1"); |
| CellReference b2 = new CellReference("B2"); |
| CellReference c1 = new CellReference("C1"); |
| |
| // Set values |
| sh.getRow(a1.getRow()).getCell(a1.getCol()).setCellValue(210); |
| sh.getRow(a2.getRow()).getCell(a2.getCol()).setCellValue(55); |
| sh.getRow(b1.getRow()).getCell(b1.getCol()).setCellValue(35); |
| sh.getRow(b2.getRow()).getCell(b2.getCol()).setCellValue(0); |
| sh.getRow(c1.getRow()).getCell(c1.getCol()).setCellFormula("A1/B2"); |
| |
| Cell cell1 = sh.createRow(3).createCell(0); |
| cell1.setCellFormula("IFERROR(A1/B1,\"Error in calculation\")"); |
| Cell cell2 = sh.createRow(3).createCell(0); |
| cell2.setCellFormula("IFERROR(A2/B2,\"Error in calculation\")"); |
| Cell cell3 = sh.createRow(3).createCell(0); |
| cell3.setCellFormula("IFERROR(C1,\"error\")"); |
| |
| double accuracy = 1E-9; |
| |
| FormulaEvaluator evaluator = wb.getCreationHelper().createFormulaEvaluator(); |
| |
| assertEquals("Checks that the cell is numeric", |
| CellType.NUMERIC, evaluator.evaluate(cell1).getCellTypeEnum()); |
| assertEquals("Divides 210 by 35 and returns 6.0", |
| 6.0, evaluator.evaluate(cell1).getNumberValue(), accuracy); |
| |
| |
| assertEquals("Checks that the cell is numeric", |
| CellType.STRING, evaluator.evaluate(cell2).getCellTypeEnum()); |
| assertEquals("Rounds -10 to a nearest multiple of -3 (-9)", |
| "Error in calculation", evaluator.evaluate(cell2).getStringValue()); |
| |
| assertEquals("Check that C1 returns string", |
| CellType.STRING, evaluator.evaluate(cell3).getCellTypeEnum()); |
| assertEquals("Check that C1 returns string \"error\"", |
| "error", evaluator.evaluate(cell3).getStringValue()); |
| } |
| } |