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/* ==================================================================== |
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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.ss.formula; |
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import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator; |
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import org.apache.poi.hssf.usermodel.HSSFWorkbook; |
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import org.apache.poi.ss.formula.eval.StringEval; |
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import org.apache.poi.ss.formula.eval.ValueEval; |
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import org.apache.poi.ss.formula.functions.TextFunction; |
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import org.apache.poi.ss.usermodel.*; |
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import org.junit.jupiter.api.Test; |
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import static org.junit.jupiter.api.Assertions.assertEquals; |
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import static org.junit.jupiter.api.Assertions.assertTrue; |
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public final class TestProperHSSF { |
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private Cell cell11; |
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private FormulaEvaluator evaluator; |
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@Test |
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void testValidHSSF() { |
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HSSFWorkbook wb = new HSSFWorkbook(); |
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evaluator = new HSSFFormulaEvaluator(wb); |
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confirm(wb); |
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} |
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private void confirm(Workbook wb) { |
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Sheet sheet = wb.createSheet("new sheet"); |
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cell11 = sheet.createRow(0).createCell(0); |
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confirm("PROPER(\"hi there\")", "Hi There"); //simple case |
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confirm("PROPER(\"what's up\")", "What'S Up"); //apostrophes are treated as word breaks |
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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 |
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confirm("PROPER(\"dr\u00dcb\u00f6'\u00e4 \u00e9lo\u015f|\u00eb\u00e8 \")", "Dr\u00fcb\u00f6'\u00c4 \u00c9lo\u015f|\u00cb\u00e8 "); |
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confirm("PROPER(\"hi123 the123re\")", "Hi123 The123Re"); //numbers are treated as word breaks |
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confirm("PROPER(\"-\")", "-"); //nothing happens with ascii punctuation that is not upper or lower case |
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confirm("PROPER(\"!\u00a7$\")", "!\u00a7$"); //nothing happens with unicode punctuation (section sign) that is not upper or lower case |
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confirm("PROPER(\"/&%\")", "/&%"); //nothing happens with ascii punctuation that is not upper or lower case |
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confirm("PROPER(\"Apache POI\")", "Apache Poi"); //acronyms are not special |
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confirm("PROPER(\" hello world\")", " Hello World"); //leading whitespace is ignored |
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//https://support.microsoft.com/en-us/office/proper-function-52a5a283-e8b2-49be-8506-b2887b889f94 |
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confirm("PROPER(\"this is a TITLE\")", "This Is A Title"); |
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confirm("PROPER(\"2-way street\")", "2-Way Street"); |
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confirm("PROPER(\"76BudGet\")", "76Budget"); |
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final String scharfes = "\u00df"; //German lowercase eszett, scharfes s, sharp s |
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confirm("PROPER(\"stra"+scharfes+"e\")", "Stra"+scharfes+"e"); |
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assertTrue(Character.isLetter(scharfes.charAt(0))); |
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// CURRENTLY FAILS: result: "SSUnd"+scharfes |
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// LibreOffice 5.0.3.2 behavior: "Sund"+scharfes |
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// Excel 2013 behavior: ??? |
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confirm("PROPER(\""+scharfes+"und"+scharfes+"\")", "SSund"+scharfes); |
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// also test longer string |
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StringBuilder builder = new StringBuilder("A"); |
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StringBuilder expected = new StringBuilder("A"); |
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for(int i = 1;i < 254;i++) { |
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builder.append((char)(65 + (i % 26))); |
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expected.append((char)(97 + (i % 26))); |
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} |
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confirm("PROPER(\"" + builder + "\")", expected.toString()); |
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} |
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private void confirm(String formulaText, String expectedResult) { |
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cell11.setCellFormula(formulaText); |
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evaluator.clearAllCachedResultValues(); |
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CellValue cv = evaluator.evaluate(cell11); |
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assertEquals(CellType.STRING, cv.getCellType(), "Wrong result type"); |
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String actualValue = cv.getStringValue(); |
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assertEquals(expectedResult, actualValue); |
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} |
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@Test |
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void test() { |
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checkProper("", ""); |
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checkProper("a", "A"); |
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checkProper("abc", "Abc"); |
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checkProper("abc abc", "Abc Abc"); |
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checkProper("abc/abc", "Abc/Abc"); |
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checkProper("ABC/ABC", "Abc/Abc"); |
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checkProper("aBc/ABC", "Abc/Abc"); |
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checkProper("aBc@#$%^&*()_+=-ABC", "Abc@#$%^&*()_+=-Abc"); |
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checkProper("aBc25aerg/ABC", "Abc25Aerg/Abc"); |
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checkProper("aBc/\u00C4\u00F6\u00DF\u00FC/ABC", "Abc/\u00C4\u00F6\u00DF\u00FC/Abc"); // Some German umlauts with uppercase first letter is not changed |
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checkProper("\u00FC", "\u00DC"); |
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checkProper("\u00DC", "\u00DC"); |
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checkProper("\u00DF", "SS"); // German "scharfes s" is uppercased to "SS" |
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checkProper("\u00DFomesing", "SSomesing"); // German "scharfes s" is uppercased to "SS" |
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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 |
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} |
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@Test |
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void testMicroBenchmark() { |
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ValueEval strArg = new StringEval("some longer text that needs a number of replacements to check for runtime of different implementations"); |
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// long start = System.currentTimeMillis(); |
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for(int i = 0;i < 300000;i++) { |
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final ValueEval ret = TextFunction.PROPER.evaluate(new ValueEval[]{strArg}, 0, 0); |
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assertEquals("Some Longer Text That Needs A Number Of Replacements To Check For Runtime Of Different Implementations", ((StringEval)ret).getStringValue()); |
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} |
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// Took approx. 600ms on a decent Laptop in July 2016 |
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//System.out.println("Took: " + (System.currentTimeMillis() - start) + "ms"); |
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} |
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private void checkProper(String input, String expected) { |
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ValueEval strArg = new StringEval(input); |
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final ValueEval ret = TextFunction.PROPER.evaluate(new ValueEval[]{strArg}, 0, 0); |
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assertEquals(expected, ((StringEval)ret).getStringValue()); |
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} |
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} |