| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * 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 |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * ==================================================================== |
| */ |
| |
| package org.apache.poi.ss.formula; |
| |
| import org.apache.poi.hssf.usermodel.HSSFCell; |
| import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator; |
| 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.CellType; |
| import org.junit.jupiter.api.Disabled; |
| import org.junit.jupiter.api.Test; |
| |
| import java.io.IOException; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| |
| class TestFormulaEval { |
| |
| @Test |
| void testCircularRef() throws IOException { |
| try (HSSFWorkbook wb = new HSSFWorkbook()) { |
| HSSFSheet sheet = wb.createSheet(); |
| HSSFRow row = sheet.createRow(0); |
| HSSFCell cell = row.createCell(0); |
| cell.setCellFormula("A1"); |
| HSSFFormulaEvaluator formulaEvaluator = wb.getCreationHelper().createFormulaEvaluator(); |
| // the following assert should probably be NUMERIC not ERROR (from testing in Excel itself) |
| assertEquals(CellType.ERROR, formulaEvaluator.evaluateFormulaCell(cell)); |
| |
| cell.setCellFormula(null); |
| formulaEvaluator.notifyUpdateCell(cell); |
| //the following assert should probably be BLANK not ERROR |
| assertEquals(CellType.ERROR, cell.getCellType()); |
| } |
| } |
| |
| @Test |
| void testCircularRef2() throws IOException { |
| try (HSSFWorkbook wb = new HSSFWorkbook()) { |
| HSSFSheet sheet = wb.createSheet(); |
| HSSFRow row = sheet.createRow(0); |
| HSSFCell cell0 = row.createCell(0); |
| HSSFCell cell1 = row.createCell(1); |
| cell0.setCellFormula("B1"); |
| cell1.setCellFormula("A1"); |
| HSSFFormulaEvaluator formulaEvaluator = wb.getCreationHelper().createFormulaEvaluator(); |
| formulaEvaluator.evaluateAll(); |
| |
| cell0.setCellFormula(null); |
| cell1.setCellFormula(null); |
| formulaEvaluator.notifyUpdateCell(cell0); |
| formulaEvaluator.notifyUpdateCell(cell1); |
| //the following asserts should probably be BLANK not ERROR |
| assertEquals(CellType.ERROR, cell0.getCellType()); |
| assertEquals(CellType.ERROR, cell1.getCellType()); |
| } |
| } |
| |
| //@Disabled("currently causes a StackOverflowError") |
| @Test |
| void testBug66152() throws IOException { |
| try (HSSFWorkbook wb = new HSSFWorkbook()) { |
| HSSFSheet sheet = wb.createSheet(); |
| HSSFRow r0 = sheet.createRow(0); |
| HSSFCell c0 = r0.createCell(0); |
| c0.setCellValue(1); |
| HSSFCell cell = null; |
| for (int i = 1; i < 1200; i++) { |
| HSSFRow row = sheet.createRow(i); |
| cell = row.createCell(0); |
| cell.setCellFormula("SUM(A" + i + " + 1)"); |
| } |
| HSSFFormulaEvaluator formulaEvaluator = wb.getCreationHelper().createFormulaEvaluator(); |
| //formulaEvaluator.evaluateAll(); //this workaround avoids the stackoverflow issue |
| assertEquals(CellType.NUMERIC, formulaEvaluator.evaluateFormulaCell(cell)); |
| } |
| } |
| } |