| /* ==================================================================== |
| 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 junit.framework.TestCase; |
| import org.apache.poi.hssf.usermodel.HSSFWorkbook; |
| import org.apache.poi.ss.formula.eval.ErrorEval; |
| import org.apache.poi.ss.usermodel.*; |
| |
| /** |
| * Testcase for 'Analysis Toolpak' function MROUND() |
| * |
| * @author Yegor Kozlov |
| */ |
| public class TestMRound extends TestCase { |
| |
| /** |
| =MROUND(10, 3) Rounds 10 to a nearest multiple of 3 (9) |
| =MROUND(-10, -3) Rounds -10 to a nearest multiple of -3 (-9) |
| =MROUND(1.3, 0.2) Rounds 1.3 to a nearest multiple of 0.2 (1.4) |
| =MROUND(5, -2) Returns an error, because -2 and 5 have different signs (#NUM!) * |
| */ |
| public static void testEvaluate(){ |
| Workbook wb = new HSSFWorkbook(); |
| Sheet sh = wb.createSheet(); |
| Cell cell1 = sh.createRow(0).createCell(0); |
| cell1.setCellFormula("MROUND(10, 3)"); |
| Cell cell2 = sh.createRow(0).createCell(0); |
| cell2.setCellFormula("MROUND(-10, -3)"); |
| Cell cell3 = sh.createRow(0).createCell(0); |
| cell3.setCellFormula("MROUND(1.3, 0.2)"); |
| Cell cell4 = sh.createRow(0).createCell(0); |
| cell4.setCellFormula("MROUND(5, -2)"); |
| Cell cell5 = sh.createRow(0).createCell(0); |
| cell5.setCellFormula("MROUND(5, 0)"); |
| |
| double accuracy = 1E-9; |
| |
| FormulaEvaluator evaluator = wb.getCreationHelper().createFormulaEvaluator(); |
| |
| assertEquals("Rounds 10 to a nearest multiple of 3 (9)", |
| 9.0, evaluator.evaluate(cell1).getNumberValue(), accuracy); |
| |
| assertEquals("Rounds -10 to a nearest multiple of -3 (-9)", |
| -9.0, evaluator.evaluate(cell2).getNumberValue(), accuracy); |
| |
| assertEquals("Rounds 1.3 to a nearest multiple of 0.2 (1.4)", |
| 1.4, evaluator.evaluate(cell3).getNumberValue(), accuracy); |
| |
| assertEquals("Returns an error, because -2 and 5 have different signs (#NUM!)", |
| ErrorEval.NUM_ERROR.getErrorCode(), evaluator.evaluate(cell4).getErrorValue()); |
| |
| assertEquals("Returns 0 because the multiple is 0", |
| 0.0, evaluator.evaluate(cell5).getNumberValue()); |
| } |
| } |