2 ******************************************************************************************
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3 * Copyright (C) 2009-2010, Google, Inc.; International Business Machines Corporation and *
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4 * others. All Rights Reserved. *
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5 ******************************************************************************************
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8 package com.ibm.icu.dev.test.util;
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10 import com.ibm.icu.dev.test.TestFmwk;
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11 import com.ibm.icu.util.LocaleMatcher;
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12 import com.ibm.icu.util.LocalePriorityList;
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13 import com.ibm.icu.util.ULocale;
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16 * Test the LanguageMatcher.
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20 public class LocaleMatcherTest extends TestFmwk {
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22 public static void main(String[] args) throws Exception {
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23 new LocaleMatcherTest().run(args);
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26 public void testBasics() {
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27 final LocaleMatcher matcher = new LocaleMatcher(LocalePriorityList
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28 .add(ULocale.FRENCH).add(ULocale.UK)
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29 .add(ULocale.ENGLISH).build());
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30 logln(matcher.toString());
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32 assertEquals(ULocale.UK, matcher.getBestMatch(ULocale.UK));
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33 assertEquals(ULocale.ENGLISH, matcher.getBestMatch(ULocale.US));
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34 assertEquals(ULocale.FRENCH, matcher.getBestMatch(ULocale.FRANCE));
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35 assertEquals(ULocale.FRENCH, matcher.getBestMatch(ULocale.JAPAN));
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38 public void testFallback() {
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39 // check that script fallbacks are handled right
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40 final LocaleMatcher matcher = new LocaleMatcher("zh_CN, zh_TW, iw");
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41 assertEquals(new ULocale("zh_TW"), matcher.getBestMatch("zh_Hant"));
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42 assertEquals(new ULocale("zh_CN"), matcher.getBestMatch("zh"));
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43 assertEquals(new ULocale("zh_CN"), matcher.getBestMatch("zh_Hans_CN"));
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44 assertEquals(new ULocale("zh_TW"), matcher.getBestMatch("zh_Hant_HK"));
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45 assertEquals(new ULocale("he"), matcher.getBestMatch("iw_IT"));
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48 public void testSpecials() {
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49 // check that nearby languages are handled
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50 final LocaleMatcher matcher = new LocaleMatcher("en, fil, ro, nn");
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51 assertEquals(new ULocale("fil"), matcher.getBestMatch("tl"));
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52 assertEquals(new ULocale("ro"), matcher.getBestMatch("mo"));
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53 assertEquals(new ULocale("nn"), matcher.getBestMatch("nb"));
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54 // make sure default works
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55 assertEquals(new ULocale("en"), matcher.getBestMatch("ja"));
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58 public void testRegionalSpecials() {
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59 // verify that en_AU is closer to en_GB than to en (which is en_US)
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60 final LocaleMatcher matcher = new LocaleMatcher("en, en_GB, es, es_419");
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61 assertEquals("en_AU in {en, en_GB, es, es_419}", new ULocale("en_GB"), matcher.getBestMatch("en_AU"));
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62 assertEquals("es_MX in {en, en_GB, es, es_419}", new ULocale("es_419"), matcher.getBestMatch("es_MX"));
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63 assertEquals("es_ES in {en, en_GB, es, es_419}", new ULocale("es"), matcher.getBestMatch("es_ES"));
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66 private void assertEquals(Object expected, Object string) {
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67 assertEquals("", expected, string);
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