89 lines
3.4 KiB
Java
89 lines
3.4 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hssf.record;
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import junit.framework.AssertionFailedError;
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import junit.framework.ComparisonFailure;
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import junit.framework.TestCase;
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import org.apache.poi.hssf.record.formula.Ptg;
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import org.apache.poi.hssf.record.formula.RefPtg;
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/**
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* @author Josh Micich
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*/
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public final class TestSharedFormulaRecord extends TestCase {
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/**
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* Binary data for an encoded formula. Taken from attachment 22062 (bugzilla 45123/45421).
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* The shared formula is in Sheet1!C6:C21, with text "SUMPRODUCT(--(End_Acct=$C6),--(End_Bal))"
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* This data is found at offset 0x1A4A (within the shared formula record).
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* The critical thing about this formula is that it contains shared formula tokens (tRefN*,
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* tAreaN*) with operand class 'array'.
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*/
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private static final byte[] SHARED_FORMULA_WITH_REF_ARRAYS_DATA = {
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0x1A, 0x00,
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0x63, 0x02, 0x00, 0x00, 0x00,
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0x6C, 0x00, 0x00, 0x02, (byte)0x80, // tRefNA
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0x0B,
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0x15,
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0x13,
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0x13,
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0x63, 0x03, 0x00, 0x00, 0x00,
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0x15,
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0x13,
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0x13,
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0x42, 0x02, (byte)0xE4, 0x00,
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};
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/**
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* The method <tt>SharedFormulaRecord.convertSharedFormulas()</tt> converts formulas from
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* 'shared formula' to 'single cell formula' format. It is important that token operand
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* classes are preserved during this transformation, because Excel may not tolerate the
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* incorrect encoding. The formula here is one such example (Excel displays #VALUE!).
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*/
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public void testConvertSharedFormulasOperandClasses_bug45123() {
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TestcaseRecordInputStream in = new TestcaseRecordInputStream(0, SHARED_FORMULA_WITH_REF_ARRAYS_DATA);
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int encodedLen = in.readUShort();
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Ptg[] sharedFormula = Ptg.readTokens(encodedLen, in);
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Ptg[] convertedFormula = SharedFormulaRecord.convertSharedFormulas(sharedFormula, 100, 200);
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RefPtg refPtg = (RefPtg) convertedFormula[1];
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assertEquals("$C101", refPtg.toFormulaString());
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if (refPtg.getPtgClass() == Ptg.CLASS_REF) {
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throw new AssertionFailedError("Identified bug 45123");
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}
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confirmOperandClasses(sharedFormula, convertedFormula);
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}
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private static void confirmOperandClasses(Ptg[] originalPtgs, Ptg[] convertedPtgs) {
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assertEquals(originalPtgs.length, convertedPtgs.length);
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for (int i = 0; i < convertedPtgs.length; i++) {
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Ptg originalPtg = originalPtgs[i];
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Ptg convertedPtg = convertedPtgs[i];
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if (originalPtg.getPtgClass() != convertedPtg.getPtgClass()) {
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throw new ComparisonFailure("Different operand class for token[" + i + "]",
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String.valueOf(originalPtg.getPtgClass()), String.valueOf(convertedPtg.getPtgClass()));
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}
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}
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}
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}
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