001/**
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
004 *
005 * This program and the accompanying materials are dual-licensed under
006 * either the terms of the Eclipse Public License v1.0 as published by
007 * the Eclipse Foundation
008 *
009 *   or (per the licensee's choosing)
010 *
011 * under the terms of the GNU Lesser General Public License version 2.1
012 * as published by the Free Software Foundation.
013 */
014package ch.qos.logback.core.util;
015
016import org.junit.After;
017import org.junit.Ignore;
018import org.junit.Test;
019
020import java.text.DateFormatSymbols;
021import java.util.Locale;
022
023import static org.junit.Assert.assertTrue;
024import static org.junit.Assert.assertEquals;
025
026public class CharSequenceToRegexMapperTest {
027    static Locale KO_LOCALE = new Locale("ko", "KR");
028    Locale oldLocale = Locale.getDefault();
029
030    @After
031    public void tearDown() {
032        Locale.setDefault(oldLocale);
033    }
034
035    @Test
036    public void findMinMaxLengthsInSymbolsWithTrivialInputs() {
037        String[] symbols = new String[] { "a", "bb" };
038        int[] results = CharSequenceToRegexMapper.findMinMaxLengthsInSymbols(symbols);
039        assertEquals(1, results[0]);
040        assertEquals(2, results[1]);
041    }
042
043    @Test
044    public void emptyStringValuesShouldBeIgnoredByFindMinMaxLengthsInSymbols() {
045        String[] symbols = new String[] { "aaa", "" };
046        int[] results = CharSequenceToRegexMapper.findMinMaxLengthsInSymbols(symbols);
047        assertEquals(3, results[0]);
048        assertEquals(3, results[1]);
049    }
050
051    @Test
052    @Ignore
053    public void noneOfTheSymbolsAreOfZeroLengthForKorean() {
054        Locale.setDefault(KO_LOCALE);
055        noneOfTheSymbolsAreOfZeroLength();
056    }
057
058    @Test
059    @Ignore
060    public void noneOfTheSymbolsAreOfZeroLengthForSwiss() {
061        Locale.setDefault(new Locale("fr", "CH"));
062        noneOfTheSymbolsAreOfZeroLength();
063    }
064
065    private void noneOfTheSymbolsAreOfZeroLength() {
066        DateFormatSymbols dateFormatSymbols = DateFormatSymbols.getInstance();
067        // checkEmptyString(dateFormatSymbols.getShortMonths(), "ShortMonths");
068        // checkEmptyString(dateFormatSymbols.getMonths(), "Months");
069        checkEmptyString(dateFormatSymbols.getShortWeekdays(), "ShortWeekdays");
070        checkEmptyString(dateFormatSymbols.getWeekdays(), "Weekdays");
071        checkEmptyString(dateFormatSymbols.getAmPmStrings(), "AmPmStrings");
072
073    }
074
075    private void checkEmptyString(String[] symbolArray, String category) {
076        for (String s : symbolArray) {
077            System.out.println(category + " [" + s + "]");
078            assertTrue(category + " contains empty strings", s.length() > 0);
079        }
080    }
081
082}