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