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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
(the "License"); you may not use this file except in compliance with
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package org.apache.poi.hssf.record.formula.eval;
import junit.framework.TestCase;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator;
import org.apache.poi.hssf.usermodel.HSSFName;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.FormulaEvaluator.CellValue;
/**
*
* @author Josh Micich
*/
public final class TestExternalFunction extends TestCase {
/**
* Checks that an external function can get invoked from the formula evaluator.
*/
public void testInvoke() {
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet();
wb.setSheetName(0, "Sheet1");
HSSFRow row = sheet.createRow(0);
HSSFCell cell = row.createCell((short)0);
HSSFName hssfName = wb.createName();
hssfName.setNameName("myFunc");
cell.setCellFormula("myFunc()");
String actualFormula=cell.getCellFormula();
assertEquals("myFunc()", actualFormula);
HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(sheet, wb);
fe.setCurrentRow(row);
CellValue evalResult = fe.evaluate(cell);
// Check the return value from ExternalFunction.evaluate()
// TODO - make this test assert something more interesting as soon as ExternalFunction works a bit better
assertEquals(HSSFCell.CELL_TYPE_ERROR, evalResult.getCellType());
assertEquals(ErrorEval.FUNCTION_NOT_IMPLEMENTED.getErrorCode(), evalResult.getErrorValue());
}
}