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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.function;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.apache.poi.hssf.model.FormulaParser;
import org.apache.poi.hssf.model.Workbook;
import org.apache.poi.hssf.record.formula.AbstractFunctionPtg;
import org.apache.poi.hssf.record.formula.FuncPtg;
import org.apache.poi.hssf.record.formula.FuncVarPtg;
import org.apache.poi.hssf.record.formula.Ptg;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
/**
* Tests parsing of some built-in functions that were not properly
* registered in POI as bug #44675, #44733 (March/April 2008).
*
* @author Josh Micich
*/
public final class TestParseMissingBuiltInFuncs extends TestCase {
private static Ptg[] parse(String formula) {
HSSFWorkbook book = new HSSFWorkbook();
return FormulaParser.parse(formula, book);
}
private static void confirmFunc(String formula, int expPtgArraySize, boolean isVarArgFunc, int funcIx) {
Ptg[] ptgs = parse(formula);
Ptg ptgF = ptgs[ptgs.length-1]; // func is last RPN token in all these formulas
// Check critical things in the Ptg array encoding.
if(!(ptgF instanceof AbstractFunctionPtg)) {
throw new RuntimeException("function token missing");
}
AbstractFunctionPtg func = (AbstractFunctionPtg) ptgF;
if(func.getFunctionIndex() == 255) {
throw new AssertionFailedError("Failed to recognise built-in function in formula '"
+ formula + "'");
}
assertEquals(expPtgArraySize, ptgs.length);
assertEquals(funcIx, func.getFunctionIndex());
Class expCls = isVarArgFunc ? FuncVarPtg.class : FuncPtg.class;
assertEquals(expCls, ptgF.getClass());
// check that parsed Ptg array converts back to formula text OK
HSSFWorkbook book = new HSSFWorkbook();
String reRenderedFormula = FormulaParser.toFormulaString(book, ptgs);
assertEquals(formula, reRenderedFormula);
}
public void testDatedif() {
int expSize = 4; // NB would be 5 if POI added tAttrVolatile properly
confirmFunc("DATEDIF(NOW(),NOW(),\"d\")", expSize, false, 351);
}
public void testDdb() {
confirmFunc("DDB(1,1,1,1,1)", 6, true, 144);
}
public void testAtan() {
confirmFunc("ATAN(1)", 2, false, 18);
}
public void testUsdollar() {
confirmFunc("USDOLLAR(1)", 2, false, 204);
}
public void testDBCS() {
confirmFunc("DBCS(\"abc\")", 2, false, 215);
}
public void testIsnontext() {
confirmFunc("ISNONTEXT(\"abc\")", 2, false, 190);
}
public void testDproduct() {
confirmFunc("DPRODUCT(C1:E5,\"HarvestYield\",G1:H2)", 4, false, 189);
}
}