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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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http://www.apache.org/licenses/LICENSE-2.0
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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package org.apache.poi.hssf.record;
import java.util.List;
import java.util.Stack;
import junit.framework.AssertionFailedError;
import junit.framework.ComparisonFailure;
import junit.framework.TestCase;
import org.apache.poi.hssf.record.formula.Ptg;
import org.apache.poi.hssf.record.formula.RefPtg;
/**
* @author Josh Micich
*/
public final class TestSharedFormulaRecord extends TestCase {
/**
* Binary data for an encoded formula. Taken from attachment 22062 (bugzilla 45123/45421).
* The shared formula is in Sheet1!C6:C21, with text "SUMPRODUCT(--(End_Acct=$C6),--(End_Bal))"
* This data is found at offset 0x1A4A (within the shared formula record).
* The critical thing about this formula is that it contains shared formula tokens (tRefN*,
* tAreaN*) with operand class 'array'.
*/
private static final byte[] SHARED_FORMULA_WITH_REF_ARRAYS_DATA = {
0x1A, 0x00,
0x63, 0x02, 0x00, 0x00, 0x00,
0x6C, 0x00, 0x00, 0x02, (byte)0x80, // tRefNA
0x0B,
0x15,
0x13,
0x13,
0x63, 0x03, 0x00, 0x00, 0x00,
0x15,
0x13,
0x13,
0x42, 0x02, (byte)0xE4, 0x00,
};
/**
* The method <tt>SharedFormulaRecord.convertSharedFormulas()</tt> converts formulas from
* 'shared formula' to 'single cell formula' format. It is important that token operand
* classes are preserved during this transformation, because Excel may not tolerate the
* incorrect encoding. The formula here is one such example (Excel displays #VALUE!).
*/
public void testConvertSharedFormulasOperandClasses_bug45123() {
TestcaseRecordInputStream in = new TestcaseRecordInputStream(0, SHARED_FORMULA_WITH_REF_ARRAYS_DATA);
short encodedLen = in.readShort();
Stack sharedFormula = Ptg.createParsedExpressionTokens(encodedLen, in);
Stack convertedFormula = SharedFormulaRecord.convertSharedFormulas(sharedFormula, 100, 200);
RefPtg refPtg = (RefPtg) convertedFormula.get(1);
assertEquals("$C101", refPtg.toFormulaString(null));
if (refPtg.getPtgClass() == Ptg.CLASS_REF) {
throw new AssertionFailedError("Identified bug 45123");
}
confirmOperandClasses(toPtgArray(sharedFormula), toPtgArray(convertedFormula));
}
private static void confirmOperandClasses(Ptg[] originalPtgs, Ptg[] convertedPtgs) {
assertEquals(originalPtgs.length, convertedPtgs.length);
for (int i = 0; i < convertedPtgs.length; i++) {
Ptg originalPtg = originalPtgs[i];
Ptg convertedPtg = convertedPtgs[i];
if (originalPtg.getPtgClass() != convertedPtg.getPtgClass()) {
throw new ComparisonFailure("Different operand class for token[" + i + "]",
String.valueOf(originalPtg.getPtgClass()), String.valueOf(convertedPtg.getPtgClass()));
}
}
}
private static Ptg[] toPtgArray(List list) {
Ptg[] result = new Ptg[list.size()];
list.toArray(result);
return result;
}
}