/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package libcore.java.util;
import java.text.BreakIterator;
import java.text.Collator;
import java.text.DateFormat;
import java.text.DateFormatSymbols;
import java.text.DecimalFormatSymbols;
import java.text.NumberFormat;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Locale;
import java.util.MissingResourceException;
public class LocaleTest extends junit.framework.TestCase {
// http://b/2611311; if there's no display language/country/variant, use the raw codes.
public void test_getDisplayName_invalid() throws Exception {
Locale invalid = new Locale("AaBbCc", "DdEeFf", "GgHhIi");
assertEquals("aabbcc", invalid.getLanguage());
assertEquals("DDEEFF", invalid.getCountry());
assertEquals("GgHhIi", invalid.getVariant());
// Android using icu4c < 49.2 returned empty strings for display language, country,
// and variant, but a display name made up of the raw strings.
// Newer releases return slightly different results, but no less unreasonable.
assertEquals("aabbcc", invalid.getDisplayLanguage());
assertEquals("", invalid.getDisplayCountry());
assertEquals("DDEEFF_GGHHII", invalid.getDisplayVariant());
assertEquals("aabbcc (DDEEFF,DDEEFF_GGHHII)", invalid.getDisplayName());
}
// http://b/2611311; if there's no display language/country/variant, use the raw codes.
public void test_getDisplayName_unknown() throws Exception {
Locale unknown = new Locale("xx", "YY", "Traditional");
assertEquals("xx", unknown.getLanguage());
assertEquals("YY", unknown.getCountry());
assertEquals("Traditional", unknown.getVariant());
assertEquals("xx", unknown.getDisplayLanguage());
assertEquals("YY", unknown.getDisplayCountry());
assertEquals("TRADITIONAL", unknown.getDisplayVariant());
assertEquals("xx (YY,TRADITIONAL)", unknown.getDisplayName());
}
public void test_getDisplayName_easy() throws Exception {
assertEquals("English", Locale.ENGLISH.getDisplayLanguage(Locale.ENGLISH));
assertEquals("German", Locale.GERMAN.getDisplayLanguage(Locale.ENGLISH));
assertEquals("Englisch", Locale.ENGLISH.getDisplayLanguage(Locale.GERMAN));
assertEquals("Deutsch", Locale.GERMAN.getDisplayLanguage(Locale.GERMAN));
}
public void test_tl() throws Exception {
// In jb-mr1, we had a last-minute hack to always return "Filipino" because
// icu4c 4.8 didn't have any localizations for fil. (http://b/7291355)
Locale tl = new Locale("tl");
Locale tl_PH = new Locale("tl", "PH");
assertEquals("Filipino", tl.getDisplayLanguage(Locale.ENGLISH));
assertEquals("Filipino", tl_PH.getDisplayLanguage(Locale.ENGLISH));
assertEquals("Filipino", tl.getDisplayLanguage(tl));
assertEquals("Filipino", tl_PH.getDisplayLanguage(tl_PH));
// After the icu4c 4.9 upgrade, we could localize "fil" correctly, though we
// needed another hack to supply "fil" instead of "tl" to icu4c. (http://b/8023288)
Locale es_MX = new Locale("es", "MX");
assertEquals("filipino", tl.getDisplayLanguage(es_MX));
assertEquals("filipino", tl_PH.getDisplayLanguage(es_MX));
}
// http://b/3452611; Locale.getDisplayLanguage fails for the obsolete language codes.
public void test_getDisplayName_obsolete() throws Exception {
// he (new) -> iw (obsolete)
assertObsolete("he", "iw", "עברית");
// id (new) -> in (obsolete)
assertObsolete("id", "in", "Bahasa Indonesia");
}
private static void assertObsolete(String newCode, String oldCode, String displayName) {
// Either code should get you the same locale.
Locale newLocale = new Locale(newCode);
Locale oldLocale = new Locale(oldCode);
assertEquals(newLocale, oldLocale);
// No matter what code you used to create the locale, you should get the old code back.
assertEquals(oldCode, newLocale.getLanguage());
assertEquals(oldCode, oldLocale.getLanguage());
// Check we get the right display name.
assertEquals(displayName, newLocale.getDisplayLanguage(newLocale));
assertEquals(displayName, oldLocale.getDisplayLanguage(newLocale));
assertEquals(displayName, newLocale.getDisplayLanguage(oldLocale));
assertEquals(displayName, oldLocale.getDisplayLanguage(oldLocale));
// Check that none of the 'getAvailableLocales' methods are accidentally returning two
// equal locales (because to ICU they're different, but we mangle one into the other).
assertOnce(newLocale, BreakIterator.getAvailableLocales());
assertOnce(newLocale, Calendar.getAvailableLocales());
assertOnce(newLocale, Collator.getAvailableLocales());
assertOnce(newLocale, DateFormat.getAvailableLocales());
assertOnce(newLocale, DateFormatSymbols.getAvailableLocales());
assertOnce(newLocale, NumberFormat.getAvailableLocales());
assertOnce(newLocale, Locale.getAvailableLocales());
}
private static void assertOnce(Locale element, Locale[] array) {
int count = 0;
for (Locale l : array) {
if (l.equals(element)) {
++count;
}
}
assertEquals(1, count);
}
public void test_getISO3Country() {
// Empty country code.
assertEquals("", new Locale("en", "").getISO3Country());
// Invalid country code.
try {
assertEquals("", new Locale("en", "XX").getISO3Country());
fail();
} catch (MissingResourceException expected) {
assertEquals("FormatData_en_XX", expected.getClassName());
assertEquals("ShortCountry", expected.getKey());
}
// Valid country code.
assertEquals("CAN", new Locale("", "CA").getISO3Country());
assertEquals("CAN", new Locale("en", "CA").getISO3Country());
assertEquals("CAN", new Locale("xx", "CA").getISO3Country());
}
public void test_getISO3Language() {
// Empty language code.
assertEquals("", new Locale("", "US").getISO3Language());
// Invalid language code.
try {
assertEquals("", new Locale("xx", "US").getISO3Language());
fail();
} catch (MissingResourceException expected) {
assertEquals("FormatData_xx_US", expected.getClassName());
assertEquals("ShortLanguage", expected.getKey());
}
// Valid language code.
assertEquals("eng", new Locale("en", "").getISO3Language());
assertEquals("eng", new Locale("en", "CA").getISO3Language());
assertEquals("eng", new Locale("en", "XX").getISO3Language());
}
}