| // © 2016 and later: Unicode, Inc. and others. |
| // License & terms of use: http://www.unicode.org/copyright.html#License |
| /* |
| ****************************************************************************************** |
| * Copyright (C) 2009-2015, Google, Inc.; International Business Machines Corporation and * |
| * others. All Rights Reserved. * |
| ****************************************************************************************** |
| */ |
| |
| package com.ibm.icu.dev.test.util; |
| |
| import java.util.Arrays; |
| import java.util.LinkedHashSet; |
| import java.util.Set; |
| import java.util.TreeSet; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| import com.ibm.icu.dev.test.TestFmwk; |
| import com.ibm.icu.util.LocaleMatcher; |
| import com.ibm.icu.util.LocaleMatcher.LanguageMatcherData; |
| import com.ibm.icu.util.LocalePriorityList; |
| import com.ibm.icu.util.Output; |
| import com.ibm.icu.util.ULocale; |
| |
| /** |
| * Test the LocaleMatcher. |
| * |
| * @author markdavis |
| */ |
| @SuppressWarnings("deprecation") |
| @RunWith(JUnit4.class) |
| public class LocaleMatcherTest extends TestFmwk { |
| |
| |
| private static final ULocale ZH_MO = new ULocale("zh_MO"); |
| private static final ULocale ZH_HK = new ULocale("zh_HK"); |
| static LanguageMatcherData LANGUAGE_MATCHER_DATA = LocaleMatcherShim.load(); |
| |
| private LocaleMatcher newLocaleMatcher(LocalePriorityList build) { |
| return new LocaleMatcher(build, LANGUAGE_MATCHER_DATA); |
| } |
| |
| private LocaleMatcher newLocaleMatcher(LocalePriorityList build, LanguageMatcherData data) { |
| return new LocaleMatcher(build, data == null ? LANGUAGE_MATCHER_DATA : data); |
| } |
| |
| private LocaleMatcher newLocaleMatcher(LocalePriorityList lpl, LanguageMatcherData data, double d) { |
| return new LocaleMatcher(lpl, data == null ? LANGUAGE_MATCHER_DATA : data, d); |
| } |
| |
| private LocaleMatcher newLocaleMatcher(String string) { |
| return new LocaleMatcher(LocalePriorityList.add(string).build(), LANGUAGE_MATCHER_DATA); |
| } |
| |
| // public LocaleMatcher(LocalePriorityList languagePriorityList, |
| // LocaleMatcherData matcherData, double threshold) |
| |
| @Test |
| public void testParentLocales() { |
| assertCloser("es_AR", "es_419", "es_ES"); |
| assertCloser("es_AR", "es_419", "es"); |
| |
| assertCloser("es_AR", "es_MX", "es"); |
| assertCloser("es_AR", "es_MX", "es"); |
| |
| assertCloser("en_AU", "en_GB", "en_US"); |
| assertCloser("en_AU", "en_GB", "en"); |
| |
| assertCloser("en_AU", "en_NZ", "en_US"); |
| assertCloser("en_AU", "en_NZ", "en"); |
| |
| assertCloser("pt_AO", "pt_PT", "pt_BR"); |
| assertCloser("pt_AO", "pt_PT", "pt"); |
| |
| assertCloser("zh_HK", "zh_MO", "zh_TW"); |
| assertCloser("zh_HK", "zh_MO", "zh_CN"); |
| assertCloser("zh_HK", "zh_MO", "zh"); |
| } |
| |
| private void assertCloser(String a, String closer, String further) { |
| LocaleMatcher matcher = newLocaleMatcher(further + ", " + closer); |
| assertEquals("test " + a + " is closer to " + closer + " than to " + further, new ULocale(closer), matcher.getBestMatch(a)); |
| matcher = newLocaleMatcher(closer + ", " + further); |
| assertEquals("test " + a + " is closer to " + closer + " than to " + further, new ULocale(closer), matcher.getBestMatch(a)); |
| } |
| |
| // public void testParentLocales() { |
| // // find all the regions that have a closer relation because of an explicit parent |
| // Set<String> explicitParents = new HashSet<>(INFO.getExplicitParents()); |
| // explicitParents.remove("root"); |
| // Set<String> otherParents = new HashSet<>(INFO.getExplicitParents()); |
| // for (String locale : explicitParents) { |
| // while (true) { |
| // locale = LocaleIDParser.getParent(locale); |
| // if (locale == null || locale.equals("root")) { |
| // break; |
| // } |
| // otherParents.add(locale); |
| // } |
| // } |
| // otherParents.remove("root"); |
| // |
| // for (String locale : CONFIG.getCldrFactory().getAvailable()) { |
| // String parentId = LocaleIDParser.getParent(locale); |
| // String parentIdSimple = LocaleIDParser.getSimpleParent(locale); |
| // if (!explicitParents.contains(parentId) && !otherParents.contains(parentIdSimple)) { |
| // continue; |
| // } |
| // System.out.println(locale + "\t" + CONFIG.getEnglish().getName(locale) + "\t" + parentId + "\t" + parentIdSimple); |
| // } |
| // } |
| |
| @Test |
| public void testChinese() { |
| LocaleMatcher matcher = newLocaleMatcher("zh_CN, zh_TW, iw"); |
| ULocale taiwanChinese = new ULocale("zh_TW"); |
| ULocale chinaChinese = new ULocale("zh_CN"); |
| assertEquals("zh_CN, zh_TW, iw;", taiwanChinese, matcher.getBestMatch("zh_Hant_TW")); |
| assertEquals("zh_CN, zh_TW, iw;", taiwanChinese, matcher.getBestMatch("zh_Hant")); |
| assertEquals("zh_CN, zh_TW, iw;", taiwanChinese, matcher.getBestMatch("zh_TW")); |
| assertEquals("zh_CN, zh_TW, iw;", chinaChinese, matcher.getBestMatch("zh_Hans_CN")); |
| assertEquals("zh_CN, zh_TW, iw;", chinaChinese, matcher.getBestMatch("zh_CN")); |
| assertEquals("zh_CN, zh_TW, iw;", chinaChinese, matcher.getBestMatch("zh")); |
| assertEquals("zh_CN, zh_TW, iw;", taiwanChinese, matcher.getBestMatch("zh_Hant_HK")); |
| } |
| |
| @Test |
| public void testenGB() { |
| final LocaleMatcher matcher = newLocaleMatcher("fr, en, en_GB, es_MX, es_419, es"); |
| assertEquals("en_GB", matcher.getBestMatch("en_NZ").toString()); |
| assertEquals("es", matcher.getBestMatch("es_ES").toString()); |
| assertEquals("es_419", matcher.getBestMatch("es_AR").toString()); |
| assertEquals("es_MX", matcher.getBestMatch("es_MX").toString()); |
| } |
| |
| @Test |
| public void testFallbacks() { |
| LocalePriorityList lpl = LocalePriorityList.add("en, hi").build(); |
| final LocaleMatcher matcher = newLocaleMatcher(lpl, null, 0.09); |
| assertEquals("hi", matcher.getBestMatch("sa").toString()); |
| } |
| |
| @Test |
| public void testOverrideData() { |
| double threshold = 0.05; |
| LanguageMatcherData localeMatcherData = new LanguageMatcherData() |
| .addDistance("br", "fr", 10, true) |
| .addDistance("es", "cy", 10, true); |
| logln(localeMatcherData.toString()); |
| |
| final LocaleMatcher matcher = newLocaleMatcher( |
| LocalePriorityList |
| .add(ULocale.ENGLISH) |
| .add(ULocale.FRENCH) |
| .add(ULocale.UK) |
| .build(), localeMatcherData, threshold); |
| logln(matcher.toString()); |
| |
| assertEquals(ULocale.FRENCH, matcher.getBestMatch(new ULocale("br"))); |
| assertEquals(ULocale.ENGLISH, matcher.getBestMatch(new ULocale("es"))); // one |
| // way |
| } |
| |
| @Test |
| public void testBasics() { |
| final LocaleMatcher matcher = newLocaleMatcher(LocalePriorityList.add(ULocale.FRENCH).add(ULocale.UK) |
| .add(ULocale.ENGLISH).build()); |
| logln(matcher.toString()); |
| |
| assertEquals(ULocale.UK, matcher.getBestMatch(ULocale.UK)); |
| assertEquals(ULocale.ENGLISH, matcher.getBestMatch(ULocale.US)); |
| assertEquals(ULocale.FRENCH, matcher.getBestMatch(ULocale.FRANCE)); |
| assertEquals(ULocale.FRENCH, matcher.getBestMatch(ULocale.JAPAN)); |
| } |
| |
| @Test |
| public void testFallback() { |
| // check that script fallbacks are handled right |
| final LocaleMatcher matcher = newLocaleMatcher("zh_CN, zh_TW, iw"); |
| assertEquals(new ULocale("zh_TW"), matcher.getBestMatch("zh_Hant")); |
| assertEquals(new ULocale("zh_CN"), matcher.getBestMatch("zh")); |
| assertEquals(new ULocale("zh_CN"), matcher.getBestMatch("zh_Hans_CN")); |
| assertEquals(new ULocale("zh_TW"), matcher.getBestMatch("zh_Hant_HK")); |
| assertEquals(new ULocale("he"), matcher.getBestMatch("iw_IT")); |
| } |
| |
| @Test |
| public void testSpecials() { |
| // check that nearby languages are handled |
| final LocaleMatcher matcher = newLocaleMatcher("en, fil, ro, nn"); |
| assertEquals(new ULocale("fil"), matcher.getBestMatch("tl")); |
| assertEquals(new ULocale("ro"), matcher.getBestMatch("mo")); |
| assertEquals(new ULocale("nn"), matcher.getBestMatch("nb")); |
| // make sure default works |
| assertEquals(new ULocale("en"), matcher.getBestMatch("ja")); |
| } |
| |
| @Test |
| public void testRegionalSpecials() { |
| // verify that en_AU is closer to en_GB than to en (which is en_US) |
| final LocaleMatcher matcher = newLocaleMatcher("en, en_GB, es, es_419"); |
| assertEquals("es_MX in {en, en_GB, es, es_419}", new ULocale("es_419"), matcher.getBestMatch("es_MX")); |
| assertEquals("en_AU in {en, en_GB, es, es_419}", new ULocale("en_GB"), matcher.getBestMatch("en_AU")); |
| assertEquals("es_ES in {en, en_GB, es, es_419}", new ULocale("es"), matcher.getBestMatch("es_ES")); |
| } |
| |
| @Test |
| public void testHK() { |
| // HK and MO are closer to each other for Hant than to TW |
| final LocaleMatcher matcher = newLocaleMatcher("zh, zh_TW, zh_MO"); |
| assertEquals("zh_HK in {zh, zh_TW, zh_MO}", ZH_MO, matcher.getBestMatch("zh_HK")); |
| final LocaleMatcher matcher2 = newLocaleMatcher("zh, zh_TW, zh_HK"); |
| assertEquals("zh_MO in {zh, zh_TW, zh_HK}", ZH_HK, matcher2.getBestMatch("zh_MO")); |
| } |
| |
| @Test |
| public void TestLocaleMatcherCoverage() { |
| // Add tests for better code coverage |
| LocaleMatcher matcher = newLocaleMatcher(LocalePriorityList.add(null, 0).build(), null); |
| logln(matcher.toString()); |
| |
| LanguageMatcherData data = new LanguageMatcherData(); |
| |
| LanguageMatcherData clone = data.cloneAsThawed(); |
| |
| if (clone.equals(data)) { |
| errln("Error cloneAsThawed() is equal."); |
| } |
| |
| if (data.isFrozen()) { |
| errln("Error LocaleMatcherData is frozen!"); |
| } |
| } |
| |
| private void assertEquals(Object expected, Object string) { |
| assertEquals("", expected, string); |
| } |
| |
| private void assertNull(Object bestMatch) { |
| assertNull("", bestMatch); |
| } |
| |
| @Test |
| public void testEmpty() { |
| final LocaleMatcher matcher = newLocaleMatcher(""); |
| assertNull(matcher.getBestMatch(ULocale.FRENCH)); |
| } |
| |
| static final ULocale ENGLISH_CANADA = new ULocale("en_CA"); |
| |
| @Test |
| public void testMatch_exact() { |
| assertEquals(1.0, |
| LocaleMatcher.match(ENGLISH_CANADA, ENGLISH_CANADA)); |
| } |
| |
| @Test |
| public void testMatch_none() { |
| double match = LocaleMatcher.match( |
| new ULocale("ar_MK"), |
| ENGLISH_CANADA); |
| assertTrue("Actual < 0: " + match, 0 <= match); |
| assertTrue("Actual > 0.15 (~ language + script distance): " + match, 0.2 > match); |
| } |
| |
| @Test |
| public void testMatch_matchOnMazimized() { |
| ULocale undTw = new ULocale("und_TW"); |
| ULocale zhHant = new ULocale("zh_Hant"); |
| double matchZh = LocaleMatcher.match(undTw, new ULocale("zh")); |
| double matchZhHant = LocaleMatcher.match(undTw, zhHant); |
| assertTrue("und_TW should be closer to zh_Hant (" + matchZhHant + |
| ") than to zh (" + matchZh + ")", |
| matchZh < matchZhHant); |
| double matchEnHantTw = LocaleMatcher.match(new ULocale("en_Hant_TW"), |
| zhHant); |
| assertTrue("zh_Hant should be closer to und_TW (" + matchZhHant + |
| ") than to en_Hant_TW (" + matchEnHantTw + ")", |
| matchEnHantTw < matchZhHant); |
| assertTrue("zh should be closer to und_TW (" + matchZh + |
| ") than to en_Hant_TW (" + matchEnHantTw + ")", |
| matchEnHantTw < matchZh); |
| } |
| |
| @Test |
| public void testMatchGrandfatheredCode() { |
| final LocaleMatcher matcher = newLocaleMatcher("fr, i_klingon, en_Latn_US"); |
| assertEquals("en_Latn_US", matcher.getBestMatch("en_GB_oed").toString()); |
| // assertEquals("tlh", matcher.getBestMatch("i_klingon").toString()); |
| } |
| |
| @Test |
| public void testGetBestMatchForList_exactMatch() { |
| final LocaleMatcher matcher = newLocaleMatcher("fr, en_GB, ja, es_ES, es_MX"); |
| assertEquals("ja", matcher.getBestMatch("ja, de").toString()); |
| } |
| |
| @Test |
| public void testGetBestMatchForList_simpleVariantMatch() { |
| final LocaleMatcher matcher = newLocaleMatcher("fr, en_GB, ja, es_ES, es_MX"); |
| // Intentionally avoiding a perfect_match or two candidates for variant |
| // matches. |
| assertEquals("en_GB", matcher.getBestMatch("de, en_US").toString()); |
| // Fall back. |
| assertEquals("fr", matcher.getBestMatch("de, zh").toString()); |
| } |
| |
| @Test |
| public void testGetBestMatchForList_matchOnMaximized() { |
| final LocaleMatcher matcher = newLocaleMatcher("en, ja"); |
| // final LocaleMatcher matcher = |
| // newLocaleMatcher("fr, en, ja, es_ES, es_MX"); |
| // Check that if the preference is maximized already, it works as well. |
| assertEquals("Match for ja_Jpan_JP (maximized already)", |
| "ja", matcher.getBestMatch("ja_Jpan_JP, en-AU").toString()); |
| if (true) |
| return; |
| // ja_JP matches ja on likely subtags, and it's listed first, thus it |
| // wins over |
| // thus it wins over the second preference en_GB. |
| assertEquals("Match for ja_JP, with likely region subtag", |
| "ja", matcher.getBestMatch("ja_JP, en_US").toString()); |
| // Check that if the preference is maximized already, it works as well. |
| assertEquals("Match for ja_Jpan_JP (maximized already)", |
| "ja", matcher.getBestMatch("ja_Jpan_JP, en_US").toString()); |
| } |
| |
| @Test |
| public void testGetBestMatchForList_noMatchOnMaximized() { |
| // Regression test for http://b/5714572 . |
| final LocaleMatcher matcher = newLocaleMatcher("en, de, fr, ja"); |
| // de maximizes to de_DE. Pick the exact match for the secondary |
| // language instead. |
| assertEquals("de", matcher.getBestMatch("de_CH, fr").toString()); |
| } |
| |
| @Test |
| public void testBestMatchForTraditionalChinese() { |
| // Scenario: An application that only supports Simplified Chinese (and |
| // some other languages), |
| // but does not support Traditional Chinese. zh_Hans_CN could be |
| // replaced with zh_CN, zh, or |
| // zh_Hans, it wouldn't make much of a difference. |
| final LocaleMatcher matcher = newLocaleMatcher("fr, zh_Hans_CN, en_US"); |
| |
| // The script distance (simplified vs. traditional Han) is considered |
| // small enough |
| // to be an acceptable match. The regional difference is considered |
| // almost insignificant. |
| assertEquals("zh_Hans_CN", matcher.getBestMatch("zh_TW").toString()); |
| assertEquals("zh_Hans_CN", matcher.getBestMatch("zh_Hant").toString()); |
| |
| // For geo_political reasons, you might want to avoid a zh_Hant -> |
| // zh_Hans match. |
| // In this case, if zh_TW, zh_HK or a tag starting with zh_Hant is |
| // requested, you can |
| // change your call to getBestMatch to include a 2nd language |
| // preference. |
| // "en" is a better match since its distance to "en_US" is closer than |
| // the distance |
| // from "zh_TW" to "zh_CN" (script distance). |
| assertEquals("en_US", matcher.getBestMatch("zh_TW, en").toString()); |
| assertEquals("en_US", matcher.getBestMatch("zh_Hant_CN, en").toString()); |
| assertEquals("zh_Hans_CN", matcher.getBestMatch("zh_Hans, en").toString()); |
| } |
| |
| @Test |
| public void testUndefined() { |
| // When the undefined language doesn't match anything in the list, |
| // getBestMatch returns |
| // the default, as usual. |
| LocaleMatcher matcher = newLocaleMatcher("it,fr"); |
| assertEquals("it", matcher.getBestMatch("und").toString()); |
| |
| // When it *does* occur in the list, BestMatch returns it, as expected. |
| matcher = newLocaleMatcher("it,und"); |
| assertEquals("und", matcher.getBestMatch("und").toString()); |
| |
| // The unusual part: |
| // max("und") = "en_Latn_US", and since matching is based on maximized |
| // tags, the undefined |
| // language would normally match English. But that would produce the |
| // counterintuitive results |
| // that getBestMatch("und", LocaleMatcher("it,en")) would be "en", and |
| // getBestMatch("en", LocaleMatcher("it,und")) would be "und". |
| // |
| // To avoid that, we change the matcher's definitions of max |
| // (AddLikelySubtagsWithDefaults) |
| // so that max("und")="und". That produces the following, more desirable |
| // results: |
| matcher = newLocaleMatcher("it,en"); |
| assertEquals("it", matcher.getBestMatch("und").toString()); |
| matcher = newLocaleMatcher("it,und"); |
| assertEquals("it", matcher.getBestMatch("en").toString()); |
| } |
| |
| // public void testGetBestMatch_emptyList() { |
| // final LocaleMatcher matcher = newLocaleMatcher( |
| // new LocalePriorityList(new HashMap())); |
| // assertNull(matcher.getBestMatch(ULocale.ENGLISH)); |
| // } |
| |
| @Test |
| public void testGetBestMatch_googlePseudoLocales() { |
| // Google pseudo locales are primarily based on variant subtags. |
| // See http://sites/intl_eng/pseudo_locales. |
| // (See below for the region code based fall back options.) |
| final LocaleMatcher matcher = newLocaleMatcher( |
| "fr, pt"); |
| assertEquals("fr", matcher.getBestMatch("de").toString()); |
| assertEquals("fr", matcher.getBestMatch("en_US").toString()); |
| assertEquals("fr", matcher.getBestMatch("en").toString()); |
| assertEquals("pt", matcher.getBestMatch("pt_BR").toString()); |
| } |
| |
| @Test |
| public void testGetBestMatch_regionDistance() { |
| LocaleMatcher matcher = newLocaleMatcher("es_AR, es"); |
| assertEquals("es_AR", matcher.getBestMatch("es_MX").toString()); |
| |
| matcher = newLocaleMatcher("fr, en, en_GB"); |
| assertEquals("en_GB", matcher.getBestMatch("en_CA").toString()); |
| |
| matcher = newLocaleMatcher("de_AT, de_DE, de_CH"); |
| assertEquals("de_DE", matcher.getBestMatch("de").toString()); |
| |
| showDistance(matcher, "en", "en_CA"); |
| showDistance(matcher, "en_CA", "en"); |
| showDistance(matcher, "en_US", "en_CA"); |
| showDistance(matcher, "en_CA", "en_US"); |
| showDistance(matcher, "en_GB", "en_CA"); |
| showDistance(matcher, "en_CA", "en_GB"); |
| showDistance(matcher, "en", "en_UM"); |
| showDistance(matcher, "en_UM", "en"); |
| } |
| |
| private void showDistance(LocaleMatcher matcher, String desired, String supported) { |
| ULocale desired2 = new ULocale(desired); |
| ULocale supported2 = new ULocale(supported); |
| double distance = matcher.match(desired2, ULocale.addLikelySubtags(desired2), supported2, ULocale.addLikelySubtags(supported2)); |
| logln(desired + " to " + supported + " :\t" + distance); |
| } |
| |
| /** |
| * If all the base languages are the same, then each sublocale matches |
| * itself most closely |
| */ |
| @Test |
| public void testExactMatches() { |
| String lastBase = ""; |
| TreeSet<ULocale> sorted = new TreeSet<ULocale>(); |
| for (ULocale loc : ULocale.getAvailableLocales()) { |
| String language = loc.getLanguage(); |
| if (!lastBase.equals(language)) { |
| check(sorted); |
| sorted.clear(); |
| lastBase = language; |
| } |
| sorted.add(loc); |
| } |
| check(sorted); |
| } |
| |
| private void check(Set<ULocale> sorted) { |
| if (sorted.isEmpty()) { |
| return; |
| } |
| check2(sorted); |
| ULocale first = sorted.iterator().next(); |
| ULocale max = ULocale.addLikelySubtags(first); |
| sorted.add(max); |
| check2(sorted); |
| } |
| |
| /** |
| * @param sorted |
| */ |
| private void check2(Set<ULocale> sorted) { |
| // TODO Auto-generated method stub |
| logln("Checking: " + sorted); |
| LocaleMatcher matcher = newLocaleMatcher( |
| LocalePriorityList.add( |
| sorted.toArray(new ULocale[sorted.size()])) |
| .build()); |
| for (ULocale loc : sorted) { |
| String stringLoc = loc.toString(); |
| assertEquals(stringLoc, matcher.getBestMatch(stringLoc).toString()); |
| } |
| } |
| |
| @Test |
| public void testAsymmetry() { |
| LocaleMatcher matcher; |
| matcher = new LocaleMatcher("mul, nl"); |
| assertEquals("nl", matcher.getBestMatch("af").toString()); // af => nl |
| |
| matcher = new LocaleMatcher("mul, af"); |
| assertEquals("mul", matcher.getBestMatch("nl").toString()); // but nl !=> af |
| } |
| |
| |
| // public void testComputeDistance_monkeyTest() { |
| // RegionCode[] codes = RegionCode.values(); |
| // Random random = new Random(); |
| // for (int i = 0; i < 1000; ++i) { |
| // RegionCode x = codes[random.nextInt(codes.length)]; |
| // RegionCode y = codes[random.nextInt(codes.length)]; |
| // double d = LocaleMatcher.getRegionDistance(x, y, null, null); |
| // if (x == RegionCode.ZZ || y == RegionCode.ZZ) { |
| // assertEquals(LocaleMatcher.REGION_DISTANCE, d); |
| // } else if (x == y) { |
| // assertEquals(0.0, d); |
| // } else { |
| // assertTrue(d > 0); |
| // assertTrue(d <= LocaleMatcher.REGION_DISTANCE); |
| // } |
| // } |
| // } |
| |
| @Test |
| public void testGetBestMatchForList_matchOnMaximized2() { |
| // if (logKnownIssue("Cldrbug:8811", "Problems with LocaleMatcher test")) { |
| // return; |
| // } |
| final LocaleMatcher matcher = newLocaleMatcher("fr, en-GB, ja, es-ES, es-MX"); |
| // ja-JP matches ja on likely subtags, and it's listed first, thus it wins over |
| // thus it wins over the second preference en-GB. |
| assertEquals("Match for ja-JP, with likely region subtag", |
| "ja", matcher.getBestMatch("ja-JP, en-GB").toString()); |
| // Check that if the preference is maximized already, it works as well. |
| assertEquals("Match for ja-Jpan-JP (maximized already)", |
| "ja", matcher.getBestMatch("ja-Jpan-JP, en-GB").toString()); |
| } |
| |
| @Test |
| public void testGetBestMatchForList_closeEnoughMatchOnMaximized() { |
| // if (logKnownIssue("Cldrbug:8811", "Problems with LocaleMatcher test")) { |
| // return; |
| // } |
| final LocaleMatcher matcher = newLocaleMatcher("en-GB, en, de, fr, ja"); |
| assertEquals("de", matcher.getBestMatch("de-CH, fr").toString()); |
| assertEquals("en", matcher.getBestMatch("en-US, ar, nl, de, ja").toString()); |
| } |
| |
| @Test |
| public void testGetBestMatchForPortuguese() { |
| |
| // if (logKnownIssue("Cldrbug:8811", "Problems with LocaleMatcher test")) { |
| // return; |
| // } |
| |
| final LocaleMatcher withPTExplicit = newLocaleMatcher("pt_PT, pt_BR, es, es_419"); |
| final LocaleMatcher withPTImplicit = newLocaleMatcher("pt_PT, pt, es, es_419"); |
| // Could happen because "pt_BR" is a tier_1 language and "pt_PT" is tier_2. |
| |
| final LocaleMatcher withoutPT = newLocaleMatcher("pt_BR, es, es_419"); |
| // European user who prefers Spanish over Brazillian Portuguese as a fallback. |
| |
| assertEquals("pt_PT", withPTExplicit.getBestMatch("pt_PT, es, pt").toString()); |
| assertEquals("pt_PT", withPTImplicit.getBestMatch("pt_PT, es, pt").toString()); |
| assertEquals("es", withoutPT.getBestMatch("pt_PT, es, pt").toString()); |
| |
| // Brazillian user who prefers South American Spanish over European Portuguese as a fallback. |
| // The asymmetry between this case and above is because it's "pt_PT" that's missing between the |
| // matchers as "pt_BR" is a much more common language. |
| assertEquals("pt_BR", withPTExplicit.getBestMatch("pt, es_419, pt_PT").toString()); |
| assertEquals("pt", withPTImplicit.getBestMatch("pt, es_419, pt_PT").toString()); |
| assertEquals("pt_BR", withoutPT.getBestMatch("pt, es_419, pt_PT").toString()); |
| |
| // Code that adds the user's country can get "pt_US" for a user's language. |
| // That should fall back to "pt_BR". |
| assertEquals("pt_BR", withPTExplicit.getBestMatch("pt_US, pt_PT").toString()); |
| assertEquals("pt", withPTImplicit.getBestMatch("pt_US, pt_PT").toString()); |
| } |
| |
| @Test |
| public void testVariantWithScriptMatch() { |
| // if (logKnownIssue("Cldrbug:8811", "Problems with LocaleMatcher test")) { |
| // return; |
| // } |
| final LocaleMatcher matcher = newLocaleMatcher("fr, en, sv"); |
| assertEquals("en", matcher.getBestMatch("en-GB").toString()); |
| assertEquals("en", matcher.getBestMatch("en-GB, sv").toString()); |
| } |
| |
| @Test |
| public void testVariantWithScriptMatch2() { |
| // if (logKnownIssue("Cldrbug:8811", "Problems with LocaleMatcher test")) { |
| // return; |
| // } |
| final LocaleMatcher matcher = newLocaleMatcher("en, sv"); |
| assertEquals("en", matcher.getBestMatch("en-GB, sv").toString()); |
| } |
| |
| @Test |
| public void testPerf() { |
| if (LANGUAGE_MATCHER_DATA == null) { |
| return; // skip except when testing data |
| } |
| final String desired = "sv, en"; |
| |
| final LocaleMatcher matcherShort = newLocaleMatcher(desired); |
| final LocaleMatcher matcherLong = newLocaleMatcher("af, am, ar, az, be, bg, bn, bs, ca, cs, cy, cy, da, de, el, en, en-GB, es, es-419, et, eu, fa, fi, fil, fr, ga, gl, gu, hi, hr, hu, hy, id, is, it, iw, ja, ka, kk, km, kn, ko, ky, lo, lt, lv, mk, ml, mn, mr, ms, my, ne, nl, no, pa, pl, pt, pt-PT, ro, ru, si, sk, sl, sq, sr, sr-Latn, sv, sw, ta, te, th, tr, uk, ur, uz, vi, zh-CN, zh-TW, zu"); |
| final LocaleMatcher matcherVeryLong = newLocaleMatcher("af, af_NA, af_ZA, agq, agq_CM, ak, ak_GH, am, am_ET, ar, ar_001, ar_AE, ar_BH, ar_DJ, ar_DZ, ar_EG, ar_EH, ar_ER, ar_IL, ar_IQ, ar_JO, ar_KM, ar_KW, ar_LB, ar_LY, ar_MA, ar_MR, ar_OM, ar_PS, ar_QA, ar_SA, ar_SD, ar_SO, ar_SS, ar_SY, ar_TD, ar_TN, ar_YE, as, as_IN, asa, asa_TZ, ast, ast_ES, az, az_Cyrl, az_Cyrl_AZ, az_Latn, az_Latn_AZ, bas, bas_CM, be, be_BY, bem, bem_ZM, bez, bez_TZ, bg, bg_BG, bm, bm_ML, bn, bn_BD, bn_IN, bo, bo_CN, bo_IN, br, br_FR, brx, brx_IN, bs, bs_Cyrl, bs_Cyrl_BA, bs_Latn, bs_Latn_BA, ca, ca_AD, ca_ES, ca_ES_VALENCIA, ca_FR, ca_IT, ce, ce_RU, cgg, cgg_UG, chr, chr_US, ckb, ckb_IQ, ckb_IR, cs, cs_CZ, cu, cu_RU, cy, cy_GB, da, da_DK, da_GL, dav, dav_KE, de, de_AT, de_BE, de_CH, de_DE, de_LI, de_LU, dje, dje_NE, dsb, dsb_DE, dua, dua_CM, dyo, dyo_SN, dz, dz_BT, ebu, ebu_KE, ee, ee_GH, ee_TG, el, el_CY, el_GR, en, en_001, en_150, en_AG, en_AI, en_AS, en_AT, en_AU, en_BB, en_BE, en_BI, en_BM, en_BS, en_BW, en_BZ, en_CA, en_CC, en_CH, en_CK, en_CM, en_CX, en_CY, en_DE, en_DG, en_DK, en_DM, en_ER, en_FI, en_FJ, en_FK, en_FM, en_GB, en_GD, en_GG, en_GH, en_GI, en_GM, en_GU, en_GY, en_HK, en_IE, en_IL, en_IM, en_IN, en_IO, en_JE, en_JM, en_KE, en_KI, en_KN, en_KY, en_LC, en_LR, en_LS, en_MG, en_MH, en_MO, en_MP, en_MS, en_MT, en_MU, en_MW, en_MY, en_NA, en_NF, en_NG, en_NL, en_NR, en_NU, en_NZ, en_PG, en_PH, en_PK, en_PN, en_PR, en_PW, en_RW, en_SB, en_SC, en_SD, en_SE, en_SG, en_SH, en_SI, en_SL, en_SS, en_SX, en_SZ, en_TC, en_TK, en_TO, en_TT, en_TV, en_TZ, en_UG, en_UM, en_US, en_US_POSIX, en_VC, en_VG, en_VI, en_VU, en_WS, en_ZA, en_ZM, en_ZW, eo, eo_001, es, es_419, es_AR, es_BO, es_CL, es_CO, es_CR, es_CU, es_DO, es_EA, es_EC, es_ES, es_GQ, es_GT, es_HN, es_IC, es_MX, es_NI, es_PA, es_PE, es_PH, es_PR, es_PY, es_SV, es_US, es_UY, es_VE, et, et_EE, eu, eu_ES, ewo, ewo_CM, fa, fa_AF, fa_IR, ff, ff_CM, ff_GN, ff_MR, ff_SN, fi, fi_FI, fil, fil_PH, fo, fo_DK, fo_FO, fr, fr_BE, fr_BF, fr_BI, fr_BJ, fr_BL, fr_CA, fr_CD, fr_CF, fr_CG, fr_CH, fr_CI, fr_CM, fr_DJ, fr_DZ, fr_FR, fr_GA, fr_GF, fr_GN, fr_GP, fr_GQ, fr_HT, fr_KM, fr_LU, fr_MA, fr_MC, fr_MF, fr_MG, fr_ML, fr_MQ, fr_MR, fr_MU, fr_NC, fr_NE, fr_PF, fr_PM, fr_RE, fr_RW, fr_SC, fr_SN, fr_SY, fr_TD, fr_TG, fr_TN, fr_VU, fr_WF, fr_YT, fur, fur_IT, fy, fy_NL, ga, ga_IE, gd, gd_GB, gl, gl_ES, gsw, gsw_CH, gsw_FR, gsw_LI, gu, gu_IN, guz, guz_KE, gv, gv_IM, ha, ha_GH, ha_NE, ha_NG, haw, haw_US, he, he_IL, hi, hi_IN, hr, hr_BA, hr_HR, hsb, hsb_DE, hu, hu_HU, hy, hy_AM, id, id_ID, ig, ig_NG, ii, ii_CN, is, is_IS, it, it_CH, it_IT, it_SM, ja, ja_JP, jgo, jgo_CM, jmc, jmc_TZ, ka, ka_GE, kab, kab_DZ, kam, kam_KE, kde, kde_TZ, kea, kea_CV, khq, khq_ML, ki, ki_KE, kk, kk_KZ, kkj, kkj_CM, kl, kl_GL, kln, kln_KE, km, km_KH, kn, kn_IN, ko, ko_KP, ko_KR, kok, kok_IN, ks, ks_IN, ksb, ksb_TZ, ksf, ksf_CM, ksh, ksh_DE, kw, kw_GB, ky, ky_KG, lag, lag_TZ, lb, lb_LU, lg, lg_UG, lkt, lkt_US, ln, ln_AO, ln_CD, ln_CF, ln_CG, lo, lo_LA, lrc, lrc_IQ, lrc_IR, lt, lt_LT, lu, lu_CD, luo, luo_KE, luy, luy_KE, lv, lv_LV, mas, mas_KE, mas_TZ, mer, mer_KE, mfe, mfe_MU, mg, mg_MG, mgh, mgh_MZ, mgo, mgo_CM, mk, mk_MK, ml, ml_IN, mn, mn_MN, mr, mr_IN, ms, ms_BN, ms_MY, ms_SG, mt, mt_MT, mua, mua_CM, my, my_MM, mzn, mzn_IR, naq, naq_NA, nb, nb_NO, nb_SJ, nd, nd_ZW, ne, ne_IN, ne_NP, nl, nl_AW, nl_BE, nl_BQ, nl_CW, nl_NL, nl_SR, nl_SX, nmg, nmg_CM, nn, nn_NO, nnh, nnh_CM, nus, nus_SS, nyn, nyn_UG, om, om_ET, om_KE, or, or_IN, os, os_GE, os_RU, pa, pa_Arab, pa_Arab_PK, pa_Guru, pa_Guru_IN, pl, pl_PL, prg, prg_001, ps, ps_AF, pt, pt_AO, pt_BR, pt_CV, pt_GW, pt_MO, pt_MZ, pt_PT, pt_ST, pt_TL, qu, qu_BO, qu_EC, qu_PE, rm, rm_CH, rn, rn_BI, ro, ro_MD, ro_RO, rof, rof_TZ, root, ru, ru_BY, ru_KG, ru_KZ, ru_MD, ru_RU, ru_UA, rw, rw_RW, rwk, rwk_TZ, sah, sah_RU, saq, saq_KE, sbp, sbp_TZ, se, se_FI, se_NO, se_SE, seh, seh_MZ, ses, ses_ML, sg, sg_CF, shi, shi_Latn, shi_Latn_MA, shi_Tfng, shi_Tfng_MA, si, si_LK, sk, sk_SK, sl, sl_SI, smn, smn_FI, sn, sn_ZW, so, so_DJ, so_ET, so_KE, so_SO, sq, sq_AL, sq_MK, sq_XK, sr, sr_Cyrl, sr_Cyrl_BA, sr_Cyrl_ME, sr_Cyrl_RS, sr_Cyrl_XK, sr_Latn, sr_Latn_BA, sr_Latn_ME, sr_Latn_RS, sr_Latn_XK, sv, sv_AX, sv_FI, sv_SE, sw, sw_CD, sw_KE, sw_TZ, sw_UG, ta, ta_IN, ta_LK, ta_MY, ta_SG, te, te_IN, teo, teo_KE, teo_UG, th, th_TH, ti, ti_ER, ti_ET, tk, tk_TM, to, to_TO, tr, tr_CY, tr_TR, twq, twq_NE, tzm, tzm_MA, ug, ug_CN, uk, uk_UA, ur, ur_IN, ur_PK, uz, uz_Arab, uz_Arab_AF, uz_Cyrl, uz_Cyrl_UZ, uz_Latn, uz_Latn_UZ, vai, vai_Latn, vai_Latn_LR, vai_Vaii, vai_Vaii_LR, vi, vi_VN, vo, vo_001, vun, vun_TZ, wae, wae_CH, xog, xog_UG, yav, yav_CM, yi, yi_001, yo, yo_BJ, yo_NG, zgh, zgh_MA, zh, zh_Hans, zh_Hans_CN, zh_Hans_HK, zh_Hans_MO, zh_Hans_SG, zh_Hant, zh_Hant_HK, zh_Hant_MO, zh_Hant_TW, zu, zu_ZA"); |
| |
| //LocaleMatcher.DEBUG = true; |
| ULocale expected = new ULocale("sv"); |
| assertEquals(expected, matcherShort.getBestMatch(desired)); |
| assertEquals(expected, matcherLong.getBestMatch(desired)); |
| assertEquals(expected, matcherVeryLong.getBestMatch(desired)); |
| //LocaleMatcher.DEBUG = false; |
| |
| for (int i = 0; i < 2; ++i) { |
| int iterations = i == 0 ? 1000 : 100000; |
| boolean showMessage = i != 0; |
| long timeShort = timeLocaleMatcher("Duration (few supported):\t", desired, matcherShort, showMessage, iterations, 0); |
| @SuppressWarnings("unused") |
| long timeMedium = timeLocaleMatcher("Duration (med. supported):\t", desired, matcherLong, showMessage, iterations, timeShort); |
| @SuppressWarnings("unused") |
| long timeLong = timeLocaleMatcher("Duration (many supported):\t", desired, matcherVeryLong, showMessage, iterations, timeShort); |
| } |
| } |
| |
| private long timeLocaleMatcher(String title, String desired, LocaleMatcher matcher, |
| boolean showmessage, int iterations, long comparisonTime) { |
| long start = System.nanoTime(); |
| for (int i = iterations; i > 0; --i) { |
| matcher.getBestMatch(desired); |
| } |
| long delta = System.nanoTime() - start; |
| if (showmessage) warnln(title + (delta / iterations) + " nanos, " |
| + (comparisonTime > 0 ? (delta * 100 / comparisonTime - 100) + "% longer" : "")); |
| return delta; |
| } |
| |
| @Test |
| public void Test8288() { |
| final LocaleMatcher matcher = newLocaleMatcher("it, en"); |
| assertEquals("it", matcher.getBestMatch("und").toString()); |
| assertEquals("en", matcher.getBestMatch("und, en").toString()); |
| } |
| |
| @Test |
| public void TestTechPreview() { |
| final LocaleMatcher matcher = newLocaleMatcher("it, en, ru"); |
| ULocale und = new ULocale("und"); |
| ULocale bulgarian = new ULocale("bg"); |
| ULocale russian = new ULocale("ru"); |
| |
| assertEquals("es-419/MX", 4, matcher.distance(new ULocale("es","419"), new ULocale("es","MX"))); |
| assertEquals("es-ES/DE", 4, matcher.distance(new ULocale("es","DE"), new ULocale("es","ES"))); |
| |
| Output<ULocale> outputBestDesired = new Output<ULocale>(); |
| |
| ULocale best = matcher.getBestMatch(new LinkedHashSet(Arrays.asList(und, ULocale.GERMAN)), outputBestDesired); |
| assertEquals(ULocale.ITALIAN, best); |
| assertEquals(null, outputBestDesired.value); |
| |
| matcher.setDefaultLanguage(ULocale.JAPANESE); |
| best = matcher.getBestMatch(new LinkedHashSet(Arrays.asList(und, ULocale.GERMAN)), outputBestDesired); |
| assertEquals(ULocale.JAPANESE, best); |
| |
| matcher.setFavorScript(true); |
| best = matcher.getBestMatch(new LinkedHashSet(Arrays.asList(und, bulgarian)), outputBestDesired); |
| assertEquals(russian, best); |
| } |
| } |