bug 57840: apply patch from Daniel Livshen and Greg Woolsey to get structured references working in XSSFWorkbook formulas

git-svn-id: https://svn.apache.org/repos/asf/poi/branches/xssf_structured_references@1747611 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Javen O'Neal 2016-06-10 00:21:21 +00:00
parent 0554c54c37
commit 944901f8f2

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package org.apache.poi.ss.formula;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.fail;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellValue;
import org.apache.poi.ss.usermodel.FormulaEvaluator;
import org.apache.poi.ss.usermodel.Table;
import org.apache.poi.xssf.XSSFTestDataSamples;
import org.apache.poi.xssf.usermodel.XSSFFormulaEvaluator;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.junit.Test;
/**
* Tests Excel Table expressions (structured references)
* @see <a href="https://support.office.com/en-us/article/Using-structured-references-with-Excel-tables-F5ED2452-2337-4F71-BED3-C8AE6D2B276E">
* Excel Structured Reference Syntax
* </a>
*/
public class TestStructuredReferences {
/**
* Test the regular expression used in INDIRECT() evaluation to recognize structured references
*/
@Test
public void testTableExpressionSyntax() {
assertTrue("Valid structured reference syntax didn't match expression", Table.isStructuredReference.matcher("abc[col1]").matches());
assertTrue("Valid structured reference syntax didn't match expression", Table.isStructuredReference.matcher("_abc[col1]").matches());
assertTrue("Valid structured reference syntax didn't match expression", Table.isStructuredReference.matcher("_[col1]").matches());
assertTrue("Valid structured reference syntax didn't match expression", Table.isStructuredReference.matcher("\\[col1]").matches());
assertTrue("Valid structured reference syntax didn't match expression", Table.isStructuredReference.matcher("\\[col1]").matches());
assertTrue("Valid structured reference syntax didn't match expression", Table.isStructuredReference.matcher("\\[#This Row]").matches());
assertTrue("Valid structured reference syntax didn't match expression", Table.isStructuredReference.matcher("\\[ [col1], [col2] ]").matches());
// can't have a space between the table name and open bracket
assertFalse("Invalid structured reference syntax didn't fail expression", Table.isStructuredReference.matcher("\\abc [ [col1], [col2] ]").matches());
}
@Test
public void testTableFormulas() throws Exception {
XSSFWorkbook wb = XSSFTestDataSamples.openSampleWorkbook("StructuredReferences.xlsx");
try {
final FormulaEvaluator eval = new XSSFFormulaEvaluator(wb);
confirm(eval, wb.getSheet("Table").getRow(5).getCell(0), 49);
confirm(eval, wb.getSheet("Formulas").getRow(0).getCell(0), 209);
} finally {
wb.close();
}
}
private static void confirm(FormulaEvaluator fe, Cell cell, double expectedResult) {
fe.clearAllCachedResultValues();
CellValue cv = fe.evaluate(cell);
if (cv.getCellType() != Cell.CELL_TYPE_NUMERIC) {
fail("expected numeric cell type but got " + cv.formatAsString());
}
assertEquals(expectedResult, cv.getNumberValue(), 0.0);
}
}