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this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
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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());
}
}