1 files changed, 395 insertions, 0 deletions
diff --git a/chromium/base/android/javatests/src/org/chromium/base/LocaleUtilsTest.java b/chromium/base/android/javatests/src/org/chromium/base/LocaleUtilsTest.java
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+++ b/chromium/base/android/javatests/src/org/chromium/base/LocaleUtilsTest.java
@@ -0,0 +1,395 @@
+// Copyright 2017 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.base;
+
+import android.annotation.SuppressLint;
+import android.content.res.Configuration;
+import android.os.Build;
+import android.os.LocaleList;
+
+import androidx.test.filters.SmallTest;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.chromium.base.test.BaseJUnit4ClassRunner;
+import org.chromium.base.test.util.MinAndroidSdkLevel;
+
+import java.util.Locale;
+
+/**
+ * Tests for the LocaleUtils class.
+ */
+@RunWith(BaseJUnit4ClassRunner.class)
+public class LocaleUtilsTest {
+    // This is also a part of test for toLanguageTag when API level is lower than 24
+    @Test
+    @SmallTest
+    public void testGetUpdatedLanguageForChromium() {
+        String language = "en";
+        String updatedLanguage = LocaleUtils.getUpdatedLanguageForChromium(language);
+        Assert.assertEquals(language, updatedLanguage);
+
+        language = "iw";
+        updatedLanguage = LocaleUtils.getUpdatedLanguageForChromium(language);
+        Assert.assertEquals("he", updatedLanguage);
+
+        language = "ji";
+        updatedLanguage = LocaleUtils.getUpdatedLanguageForChromium(language);
+        Assert.assertEquals("yi", updatedLanguage);
+
+        language = "in";
+        updatedLanguage = LocaleUtils.getUpdatedLanguageForChromium(language);
+        Assert.assertEquals("id", updatedLanguage);
+
+        language = "tl";
+        updatedLanguage = LocaleUtils.getUpdatedLanguageForChromium(language);
+        Assert.assertEquals("fil", updatedLanguage);
+    }
+
+    // This is also a part of test for toLanguageTags when API level is 24 or higher
+    @Test
+    @SmallTest
+    @MinAndroidSdkLevel(Build.VERSION_CODES.LOLLIPOP)
+    public void testGetUpdatedLocaleForChromium() {
+        Locale locale = new Locale("jp");
+        Locale updatedLocale = LocaleUtils.getUpdatedLocaleForChromium(locale);
+        Assert.assertEquals(locale, updatedLocale);
+
+        locale = new Locale("iw");
+        updatedLocale = LocaleUtils.getUpdatedLocaleForChromium(locale);
+        Assert.assertEquals(new Locale("he"), updatedLocale);
+
+        locale = new Locale("ji");
+        updatedLocale = LocaleUtils.getUpdatedLocaleForChromium(locale);
+        Assert.assertEquals(new Locale("yi"), updatedLocale);
+
+        locale = new Locale("in");
+        updatedLocale = LocaleUtils.getUpdatedLocaleForChromium(locale);
+        Assert.assertEquals(new Locale("id"), updatedLocale);
+
+        locale = new Locale("tl");
+        updatedLocale = LocaleUtils.getUpdatedLocaleForChromium(locale);
+        Assert.assertEquals(new Locale("fil"), updatedLocale);
+    }
+
+    // This is also a part of test for forLanguageTag when API level is lower than 21
+    @Test
+    @SmallTest
+    public void testGetUpdatedLanguageForAndroid() {
+        String language = "en";
+        String updatedLanguage = LocaleUtils.getUpdatedLanguageForAndroid(language);
+        Assert.assertEquals(language, updatedLanguage);
+
+        language = "und";
+        updatedLanguage = LocaleUtils.getUpdatedLanguageForAndroid(language);
+        Assert.assertEquals("", updatedLanguage);
+
+        language = "fil";
+        updatedLanguage = LocaleUtils.getUpdatedLanguageForAndroid(language);
+        Assert.assertEquals("tl", updatedLanguage);
+    }
+
+    // This is also a part of test for forLanguageTag when API level is 21 or higher
+    @Test
+    @SmallTest
+    @MinAndroidSdkLevel(Build.VERSION_CODES.LOLLIPOP)
+    public void testGetUpdatedLocaleForAndroid() {
+        Locale locale = new Locale("jp");
+        Locale updatedLocale = LocaleUtils.getUpdatedLocaleForAndroid(locale);
+        Assert.assertEquals(locale, updatedLocale);
+
+        locale = new Locale("und");
+        updatedLocale = LocaleUtils.getUpdatedLocaleForAndroid(locale);
+        Assert.assertEquals(new Locale(""), updatedLocale);
+
+        locale = new Locale("fil");
+        updatedLocale = LocaleUtils.getUpdatedLocaleForAndroid(locale);
+        Assert.assertEquals(new Locale("tl"), updatedLocale);
+    }
+
+    // Test for toLanguageTag when API level is lower than 24
+    @Test
+    @SmallTest
+    public void testToLanguageTag() {
+        Locale locale = new Locale("en", "US");
+        String localeString = LocaleUtils.toLanguageTag(locale);
+        Assert.assertEquals("en-US", localeString);
+
+        locale = new Locale("jp");
+        localeString = LocaleUtils.toLanguageTag(locale);
+        Assert.assertEquals("jp", localeString);
+
+        locale = new Locale("mas");
+        localeString = LocaleUtils.toLanguageTag(locale);
+        Assert.assertEquals("mas", localeString);
+
+        locale = new Locale("es", "005");
+        localeString = LocaleUtils.toLanguageTag(locale);
+        Assert.assertEquals("es-005", localeString);
+
+        locale = new Locale("iw");
+        localeString = LocaleUtils.toLanguageTag(locale);
+        Assert.assertEquals("he", localeString);
+
+        locale = new Locale("ji");
+        localeString = LocaleUtils.toLanguageTag(locale);
+        Assert.assertEquals("yi", localeString);
+
+        locale = new Locale("in", "ID");
+        localeString = LocaleUtils.toLanguageTag(locale);
+        Assert.assertEquals("id-ID", localeString);
+
+        locale = new Locale("tl", "PH");
+        localeString = LocaleUtils.toLanguageTag(locale);
+        Assert.assertEquals("fil-PH", localeString);
+
+        locale = new Locale("no", "NO", "NY");
+        localeString = LocaleUtils.toLanguageTag(locale);
+        Assert.assertEquals("nn-NO", localeString);
+    }
+
+    // Test for toLanguageTags when API level is 24 or higher
+    @Test
+    @SmallTest
+    @MinAndroidSdkLevel(Build.VERSION_CODES.N)
+    @SuppressLint("NewApi")
+    public void testToLanguageTags() {
+        Locale locale1 = new Locale("en", "US");
+        Locale locale2 = new Locale("es", "005");
+        LocaleList localeList = new LocaleList(locale1, locale2);
+        String localeString = LocaleUtils.toLanguageTags(localeList);
+        Assert.assertEquals("en-US,es-005", localeString);
+
+        locale1 = new Locale("jp");
+        locale2 = new Locale("mas");
+        localeList = new LocaleList(locale1, locale2);
+        localeString = LocaleUtils.toLanguageTags(localeList);
+        Assert.assertEquals("jp,mas", localeString);
+
+        locale1 = new Locale("iw");
+        locale2 = new Locale("ji");
+        localeList = new LocaleList(locale1, locale2);
+        localeString = LocaleUtils.toLanguageTags(localeList);
+        Assert.assertEquals("he,yi", localeString);
+
+        locale1 = new Locale("in", "ID");
+        locale2 = new Locale("tl", "PH");
+        localeList = new LocaleList(locale1, locale2);
+        localeString = LocaleUtils.toLanguageTags(localeList);
+        Assert.assertEquals("id-ID,fil-PH", localeString);
+
+        locale1 = new Locale("no", "NO", "NY");
+        localeList = new LocaleList(locale1);
+        localeString = LocaleUtils.toLanguageTags(localeList);
+        Assert.assertEquals("nn-NO", localeString);
+    }
+
+    // Test for forLanguageTag when API level is lower than 21
+    @Test
+    @SmallTest
+    public void testForLanguageTagCompat() {
+        String languageTag = "";
+        Locale locale = new Locale("");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+
+        languageTag = "und";
+        locale = new Locale("");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+
+        languageTag = "en";
+        locale = new Locale("en");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+
+        languageTag = "mas";
+        locale = new Locale("mas");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+
+        languageTag = "en-GB";
+        locale = new Locale("en", "GB");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+
+        languageTag = "es-419";
+        locale = new Locale("es", "419");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+
+        // Tests if updated Chromium language code and deprecated language code
+        // are pointing to the same Locale Object.
+        languageTag = "he";
+        locale = new Locale("iw");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+
+        languageTag = "iw";
+        locale = new Locale("he");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+
+        languageTag = "ji";
+        locale = new Locale("yi");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+
+        languageTag = "yi";
+        locale = new Locale("ji");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+
+        languageTag = "in";
+        locale = new Locale("id");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+
+        languageTag = "id";
+        locale = new Locale("in");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+
+        // Tests for Tagalog/Filipino if updated Chromium language code and
+        // language code are pointing to the same Locale Object.
+        languageTag = "tl";
+        locale = new Locale("tl");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+
+        languageTag = "fil";
+        locale = new Locale("tl");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+
+        // Test with invalid inputs.
+        languageTag = "notValidLanguage";
+        locale = new Locale("");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+
+        languageTag = "en-notValidCountry";
+        locale = new Locale("en");
+        Assert.assertEquals(locale, LocaleUtils.forLanguageTagCompat(languageTag));
+    }
+
+    // Test for toLanguage.
+    @Test
+    @SmallTest
+    public void testToLanguage() {
+        Assert.assertEquals("en", LocaleUtils.toBaseLanguage("en-US"));
+        Assert.assertEquals("en", LocaleUtils.toBaseLanguage("en"));
+        Assert.assertEquals("", LocaleUtils.toBaseLanguage("-"));
+        Assert.assertEquals("", LocaleUtils.toBaseLanguage("-US"));
+        Assert.assertEquals("", LocaleUtils.toBaseLanguage(""));
+        Assert.assertEquals("fil", LocaleUtils.toBaseLanguage("fil"));
+    }
+
+    // Test for isBaseLanguageEqual
+    @Test
+    @SmallTest
+    public void testIsBaseLanguageEqual() {
+        Assert.assertTrue(LocaleUtils.isBaseLanguageEqual("pt-PT", "pt-PT"));
+        Assert.assertTrue(LocaleUtils.isBaseLanguageEqual("pt-PT", "pt"));
+        Assert.assertTrue(LocaleUtils.isBaseLanguageEqual("pt", "pt-PT-xx"));
+        Assert.assertTrue(LocaleUtils.isBaseLanguageEqual("zh-Hans-CN", "zh-HK"));
+        Assert.assertTrue(LocaleUtils.isBaseLanguageEqual("", ""));
+
+        Assert.assertFalse(LocaleUtils.isBaseLanguageEqual("en-US", "es-US"));
+        Assert.assertFalse(LocaleUtils.isBaseLanguageEqual("af", "zu"));
+        Assert.assertFalse(LocaleUtils.isBaseLanguageEqual("af", ""));
+        Assert.assertFalse(LocaleUtils.isBaseLanguageEqual("", "zu"));
+    }
+
+    // Test for getConfigurationLocale < N
+    @Test
+    @SmallTest
+    public void testGetConfigurationLocale() {
+        Configuration config = new Configuration();
+        Assert.assertEquals("", LocaleUtils.getConfigurationLanguage(config));
+
+        config.setLocale(Locale.forLanguageTag("hi-IN"));
+        Assert.assertEquals("hi-IN", LocaleUtils.getConfigurationLanguage(config));
+
+        config.setLocale(new Locale("ar"));
+        Assert.assertEquals("ar", LocaleUtils.getConfigurationLanguage(config));
+    }
+
+    // Test for getConfigurationLocale N+ (with LocaleList)
+    @Test
+    @SmallTest
+    @MinAndroidSdkLevel(Build.VERSION_CODES.N)
+    public void testGetConfigurationN() {
+        Configuration config = new Configuration();
+
+        Locale locale1 = new Locale("hi", "IN");
+        Locale locale2 = new Locale("tl", "PH");
+        LocaleList localeList = new LocaleList(locale1, locale2);
+        config.setLocales(localeList);
+        Assert.assertEquals("hi-IN", LocaleUtils.getConfigurationLanguage(config));
+
+        locale1 = new Locale("ceb");
+        locale2 = new Locale("tl", "PH");
+        localeList = new LocaleList(locale1, locale2);
+        config.setLocales(localeList);
+        Assert.assertEquals("ceb", LocaleUtils.getConfigurationLanguage(config));
+    }
+
+    // Test for setDefaultLocalesFromConfiguration
+    @Test
+    @SmallTest
+    public void testSetDefaultLocalesFromConfiguration() {
+        Configuration config = new Configuration();
+        config.setLocale(new Locale("tl", "PH"));
+        LocaleUtils.setDefaultLocalesFromConfiguration(config);
+        Assert.assertEquals("tl-PH", Locale.getDefault().toLanguageTag());
+
+        config.setLocale(new Locale("es", "AR"));
+        LocaleUtils.setDefaultLocalesFromConfiguration(config);
+        Assert.assertEquals("es-AR", Locale.getDefault().toLanguageTag());
+    }
+
+    // Test for setDefaultLocalesFromConfiguration N+ (with LocaleList)
+    @Test
+    @SmallTest
+    @MinAndroidSdkLevel(Build.VERSION_CODES.N)
+    public void testSetDefaultLocalesFromConfigurationN() {
+        Configuration config = new Configuration();
+        String tags = "tl-PH,es-AR,en";
+        config.setLocales(LocaleList.forLanguageTags(tags));
+        LocaleUtils.setDefaultLocalesFromConfiguration(config);
+        Assert.assertEquals("tl-PH", Locale.getDefault().toLanguageTag());
+        Assert.assertEquals(tags, LocaleList.getDefault().toLanguageTags());
+
+        tags = "en,en-US,en-GB";
+        config.setLocales(LocaleList.forLanguageTags(tags));
+        LocaleUtils.setDefaultLocalesFromConfiguration(config);
+        Assert.assertEquals("en", Locale.getDefault().toLanguageTag());
+        Assert.assertEquals(tags, LocaleList.getDefault().toLanguageTags());
+    }
+
+    // Test for prependToLocaleList
+    @Test
+    @SmallTest
+    @MinAndroidSdkLevel(Build.VERSION_CODES.N)
+    public void testPrependToLocaleList() {
+        // Prepend to empty list
+        LocaleList resultList = LocaleUtils.ApisN.prependToLocaleList("ceb-PH", new LocaleList());
+        Assert.assertEquals("ceb-PH", resultList.toLanguageTags());
+
+        // Prepend and not in list
+        LocaleList baseList = LocaleList.forLanguageTags("en,es-ES,fr");
+        resultList = LocaleUtils.ApisN.prependToLocaleList("zu", baseList);
+        Assert.assertEquals("zu,en,es-ES,fr", resultList.toLanguageTags());
+
+        // Prepend and in middle of list
+        resultList = LocaleUtils.ApisN.prependToLocaleList("es-ES", baseList);
+        Assert.assertEquals("es-ES,en,fr", resultList.toLanguageTags());
+
+        // Prepend and at end of list
+        resultList = LocaleUtils.ApisN.prependToLocaleList("fr", baseList);
+        Assert.assertEquals("fr,en,es-ES", resultList.toLanguageTags());
+
+        // Prepend and at front of list
+        resultList = LocaleUtils.ApisN.prependToLocaleList("en", baseList);
+        Assert.assertEquals("en,es-ES,fr", resultList.toLanguageTags());
+
+        // Prepend to list of one
+        baseList = LocaleList.forLanguageTags("fr");
+        resultList = LocaleUtils.ApisN.prependToLocaleList("en", baseList);
+        Assert.assertEquals("en,fr", resultList.toLanguageTags());
+
+        // Prepend to list of one (self)
+        resultList = LocaleUtils.ApisN.prependToLocaleList("fr", baseList);
+        Assert.assertEquals("fr", resultList.toLanguageTags());
+    }
+}