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/*
* Copyright (C) 2010 Google Inc.
*
* 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 com.android.i18n.addressinput;
import junit.framework.TestCase;
import java.util.Locale;
import java.util.Map;
/**
* Tests for util functions.
*/
public class UtilTest extends TestCase {
public void testIsExplicitLatinScript() throws Exception {
// Should recognise Latin script in a variety of forms.
assertTrue(Util.isExplicitLatinScript("zh-Latn"));
assertTrue(Util.isExplicitLatinScript("ja_LATN"));
assertTrue(Util.isExplicitLatinScript("und_LATN"));
assertTrue(Util.isExplicitLatinScript("ja_LATN-JP"));
assertTrue(Util.isExplicitLatinScript("ko-latn_JP"));
}
public void testIsExplicitLatinScriptNonLatin() throws Exception {
assertFalse(Util.isExplicitLatinScript("ko"));
assertFalse(Util.isExplicitLatinScript("KO"));
assertFalse(Util.isExplicitLatinScript("ja"));
assertFalse(Util.isExplicitLatinScript("ja-JP"));
assertFalse(Util.isExplicitLatinScript("zh-Hans"));
assertFalse(Util.isExplicitLatinScript("zh-Hans-CN"));
assertFalse(Util.isExplicitLatinScript("zh-Hant"));
assertFalse(Util.isExplicitLatinScript("zh-TW"));
assertFalse(Util.isExplicitLatinScript("zh_TW"));
assertFalse(Util.isExplicitLatinScript("ko"));
assertFalse(Util.isExplicitLatinScript("ko_KR"));
assertFalse(Util.isExplicitLatinScript("en"));
assertFalse(Util.isExplicitLatinScript("EN"));
assertFalse(Util.isExplicitLatinScript("ru"));
}
public void testGetLanguageSubtag() throws Exception {
assertEquals("zh", Util.getLanguageSubtag("zh-Latn"));
assertEquals("ja", Util.getLanguageSubtag("ja_LATN"));
assertEquals("und", Util.getLanguageSubtag("und_LATN"));
assertEquals("ja", Util.getLanguageSubtag("ja_LATN-JP"));
assertEquals("ko", Util.getLanguageSubtag("ko"));
assertEquals("ko", Util.getLanguageSubtag("KO"));
assertEquals("ko", Util.getLanguageSubtag("ko-KR"));
assertEquals("ko", Util.getLanguageSubtag("ko_kr"));
assertEquals("und", Util.getLanguageSubtag("Not a language"));
}
public void testTrimToNull() throws Exception {
assertEquals("Trimmed String", Util.trimToNull(" Trimmed String "));
assertEquals("Trimmed String", Util.trimToNull(" Trimmed String"));
assertEquals("Trimmed String", Util.trimToNull("Trimmed String"));
assertEquals(null, Util.trimToNull(" "));
assertEquals(null, Util.trimToNull(null));
}
public void testJoinAndSkipNulls() throws Exception {
String first = "String 1";
String second = "String 2";
String expectedString = "String 1-String 2";
String nullString = null;
assertEquals(expectedString, Util.joinAndSkipNulls("-", first, second));
assertEquals(expectedString, Util.joinAndSkipNulls("-", first, second, nullString));
assertEquals(expectedString, Util.joinAndSkipNulls("-", first, nullString, second));
assertEquals(expectedString, Util.joinAndSkipNulls("-", first, nullString, " ", second));
assertEquals(first, Util.joinAndSkipNulls("-", first, nullString));
assertEquals(first, Util.joinAndSkipNulls("-", nullString, first));
assertEquals(null, Util.joinAndSkipNulls("-", nullString));
assertEquals(null, Util.joinAndSkipNulls("-", nullString, nullString));
assertEquals(null, Util.joinAndSkipNulls("-", nullString, "", nullString));
}
public void testGetWidgetCompatibleLanguageCodeCjkCountry() throws Exception {
Locale canadianFrench = new Locale("fr", "CA");
// Latin language, CJK country. Need explicit Latin tag, and country should be retained.
assertEquals("fr_latn_CA", Util.getWidgetCompatibleLanguageCode(canadianFrench, "CN"));
Locale canadianFrenchUpper = new Locale("FR", "CA");
// Test that the locale returns the same language code, regardless of the case of the
// initial input.
assertEquals("fr_latn_CA", Util.getWidgetCompatibleLanguageCode(canadianFrenchUpper, "CN"));
// No country in the Locale language.
assertEquals("fr_latn", Util.getWidgetCompatibleLanguageCode(Locale.FRENCH, "CN"));
// CJK language - but wrong country.
assertEquals("ko_latn",
Util.getWidgetCompatibleLanguageCode(Locale.KOREAN, "CN"));
Locale chineseChina = new Locale("zh", "CN");
assertEquals("zh_CN", Util.getWidgetCompatibleLanguageCode(chineseChina, "CN"));
}
public void testGetWidgetCompatibleLanguageCodeThailand() throws Exception {
Locale thai = new Locale("th", "TH");
assertEquals("th_TH", Util.getWidgetCompatibleLanguageCode(thai, "TH"));
// However, we assume Thai users prefer Latin names for China.
assertEquals("th_latn_TH", Util.getWidgetCompatibleLanguageCode(thai, "CN"));
}
public void testGetWidgetCompatibleLanguageCodeNonCjkCountry() throws Exception {
// Nothing should be changed for non-CJK countries, since their form layout is the same
// regardless of language.
Locale canadianFrench = new Locale("fr", "CA");
assertEquals("fr_CA", Util.getWidgetCompatibleLanguageCode(canadianFrench, "US"));
// No country in the Locale language.
assertEquals(Locale.FRENCH.toString(),
Util.getWidgetCompatibleLanguageCode(Locale.FRENCH, "US"));
// CJK language - should be unaltered too.
assertEquals(Locale.KOREAN.toString(),
Util.getWidgetCompatibleLanguageCode(Locale.KOREAN, "US"));
}
public void testBuildNameToKeyMap() throws Exception {
String names[] = {"", "", "", "", "NEW PROVIDENCE" };
// We have one more key than name here.
String keys[] = {"AB", "AC", "AD", "AE", "NP", "XX"};
Map<String, String> result = Util.buildNameToKeyMap(keys, names, null);
// We should have the six keys, and the one name, in the end result. No empty-string names
// should be present.
assertEquals(keys.length + 1, result.size());
// The empty string should not be present.
assertFalse(result.containsKey(""));
// Try with Latin names instead.
Map<String, String> resultWithLatin = Util.buildNameToKeyMap(keys, null, names);
// We should have the six keys and the one Latin-script name in the end result.
assertEquals(keys.length + 1, resultWithLatin.size());
String lnames[] = { "Other name" };
resultWithLatin = Util.buildNameToKeyMap(keys, names, lnames);
// We should have the keys, plus the names in lnames and names.
assertEquals(keys.length + 2, resultWithLatin.size());
assertTrue(resultWithLatin.containsKey("other name"));
assertTrue(resultWithLatin.containsKey("new providence"));
assertTrue(resultWithLatin.containsKey("xx"));
// The empty string should not be present.
assertFalse(resultWithLatin.containsKey(""));
}
}
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