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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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package org.apache.poi.ss.formula.functions;
import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.formula.eval.StringEval;
import org.apache.poi.ss.formula.eval.ValueEval;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.CellValue;
import org.apache.poi.ss.usermodel.FormulaEvaluator;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFFormulaEvaluator;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import junit.framework.AssertionFailedError;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public final class TestProper {
private Cell cell11;
private FormulaEvaluator evaluator;
@Test
public void testValidHSSF() {
HSSFWorkbook wb = new HSSFWorkbook();
evaluator = new HSSFFormulaEvaluator(wb);
confirm(wb);
}
@Test
public void testValidXSSF() {
XSSFWorkbook wb = new XSSFWorkbook();
evaluator = new XSSFFormulaEvaluator(wb);
confirm(wb);
}
private void confirm(Workbook wb) {
Sheet sheet = wb.createSheet("new sheet");
cell11 = sheet.createRow(0).createCell(0);
cell11.setCellType(CellType.FORMULA);
confirm("PROPER(\"hi there\")", "Hi There"); //simple case
confirm("PROPER(\"what's up\")", "What'S Up"); //apostrophes are treated as word breaks
confirm("PROPER(\"I DON'T TH!NK SO!\")", "I Don'T Th!Nk So!"); //capitalization is ignored, special punctuation is treated as a word break
confirm("PROPER(\"dr\u00dcb\u00f6'\u00e4 \u00e9lo\u015f|\u00eb\u00e8 \")", "Dr\u00fcb\u00f6'\u00c4 \u00c9lo\u015f|\u00cb\u00e8 ");
confirm("PROPER(\"hi123 the123re\")", "Hi123 The123Re"); //numbers are treated as word breaks
confirm("PROPER(\"-\")", "-"); //nothing happens with ascii punctuation that is not upper or lower case
confirm("PROPER(\"!\u00a7$\")", "!\u00a7$"); //nothing happens with unicode punctuation (section sign) that is not upper or lower case
confirm("PROPER(\"/&%\")", "/&%"); //nothing happens with ascii punctuation that is not upper or lower case
confirm("PROPER(\"Apache POI\")", "Apache Poi"); //acronyms are not special
confirm("PROPER(\" hello world\")", " Hello World"); //leading whitespace is ignored
final String scharfes = "\u00df"; //German lowercase eszett, scharfes s, sharp s
confirm("PROPER(\"stra"+scharfes+"e\")", "Stra"+scharfes+"e");
assertTrue(Character.isLetter(scharfes.charAt(0)));
// CURRENTLY FAILS: result: "SSUnd"+scharfes
// LibreOffice 5.0.3.2 behavior: "Sund"+scharfes
// Excel 2013 behavior: ???
confirm("PROPER(\""+scharfes+"und"+scharfes+"\")", "SSund"+scharfes);
// also test longer string
StringBuilder builder = new StringBuilder("A");
StringBuilder expected = new StringBuilder("A");
for(int i = 1;i < 254;i++) {
builder.append((char)(65 + (i % 26)));
expected.append((char)(97 + (i % 26)));
}
confirm("PROPER(\"" + builder + "\")", expected.toString());
}
private void confirm(String formulaText, String expectedResult) {
cell11.setCellFormula(formulaText);
evaluator.clearAllCachedResultValues();
CellValue cv = evaluator.evaluate(cell11);
if (cv.getCellTypeEnum() != CellType.STRING) {
throw new AssertionFailedError("Wrong result type: " + cv.formatAsString());
}
String actualValue = cv.getStringValue();
assertEquals(expectedResult, actualValue);
}
@Test
public void test() {
checkProper("", "");
checkProper("a", "A");
checkProper("abc", "Abc");
checkProper("abc abc", "Abc Abc");
checkProper("abc/abc", "Abc/Abc");
checkProper("ABC/ABC", "Abc/Abc");
checkProper("aBc/ABC", "Abc/Abc");
checkProper("aBc@#$%^&*()_+=-ABC", "Abc@#$%^&*()_+=-Abc");
checkProper("aBc25aerg/ABC", "Abc25Aerg/Abc");
checkProper("aBc/\u00C4\u00F6\u00DF\u00FC/ABC", "Abc/\u00C4\u00F6\u00DF\u00FC/Abc"); // Some German umlauts with uppercase first letter is not changed
checkProper("\u00FC", "\u00DC");
checkProper("\u00DC", "\u00DC");
checkProper("\u00DF", "SS"); // German "scharfes s" is uppercased to "SS"
checkProper("\u00DFomesing", "SSomesing"); // German "scharfes s" is uppercased to "SS"
checkProper("aBc/\u00FC\u00C4\u00F6\u00DF\u00FC/ABC", "Abc/\u00DC\u00E4\u00F6\u00DF\u00FC/Abc"); // Some German umlauts with lowercase first letter is changed to uppercase
}
@Test
public void testMicroBenchmark() {
ValueEval strArg = new StringEval("some longer text that needs a number of replacements to check for runtime of different implementations");
long start = System.currentTimeMillis();
for(int i = 0;i < 300000;i++) {
final ValueEval ret = TextFunction.PROPER.evaluate(new ValueEval[]{strArg}, 0, 0);
assertEquals("Some Longer Text That Needs A Number Of Replacements To Check For Runtime Of Different Implementations", ((StringEval)ret).getStringValue());
}
// Took aprox. 600ms on a decent Laptop in July 2016
System.out.println("Took: " + (System.currentTimeMillis() - start) + "ms");
}
private void checkProper(String input, String expected) {
ValueEval strArg = new StringEval(input);
final ValueEval ret = TextFunction.PROPER.evaluate(new ValueEval[]{strArg}, 0, 0);
assertEquals(expected, ((StringEval)ret).getStringValue());
}
}