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/*
* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8159420
* @summary Checks the proper execution of LanguageRange.parse() and
* other LocaleMatcher methods when used in the locales like
* Turkish, because the toLowerCase() method is invoked in the
* parse() and other LocaleMatcher methods.
* e.g. "HI-Deva".toLowerCase() in the Turkish locale returns
* "hı-deva", where 'ı' is the LATIN SMALL LETTER DOTLESS I character
* which is not allowed in the language ranges/tags.
* @compile -encoding utf-8 Bug8159420.java
* @run main Bug8159420
*/
import java.util.List;
import java.util.Locale;
import java.util.Locale.LanguageRange;
import java.util.Locale.FilteringMode;
import java.util.LinkedHashMap;
import java.util.HashMap;
import java.util.Iterator;
import java.util.ArrayList;
import static java.util.Locale.FilteringMode.EXTENDED_FILTERING;
import static java.util.Locale.FilteringMode.AUTOSELECT_FILTERING;
public class Bug8159420 {
static boolean err = false;
public static void main(String[] args) {
Locale origLocale = null;
try {
origLocale = Locale.getDefault();
Locale.setDefault(new Locale("tr", "TR"));
testParse();
testFilter(EXTENDED_FILTERING);
testFilter(AUTOSELECT_FILTERING);
testLookup();
testMapEquivalents();
if (err) {
throw new RuntimeException("[LocaleMatcher method(s) in turkish"
+ " locale failed]");
}
} finally {
Locale.setDefault(origLocale);
}
}
/* Before the fix, the testParse() method was throwing
* IllegalArgumentException in Turkish Locale
*/
private static void testParse() {
String ranges = "HI-Deva, ja-hIrA-JP, RKI";
try {
LanguageRange.parse(ranges);
} catch (Exception ex) {
System.err.println("[testParse() failed on range string: "
+ ranges + "] due to "+ex);
err = true;
}
}
/* Before the fix, the testFilter() method was returning empty list in
* Turkish Locale
*/
private static void testFilter(FilteringMode mode) {
String ranges = "hi-IN, itc-Ital";
String tags = "hi-IN, itc-Ital";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<Locale> tagList = generateLocales(tags);
String actualLocales = showLocales(Locale.filter(priorityList, tagList, mode));
String expectedLocales = "hi-IN, itc-Ital";
if (!expectedLocales.equals(actualLocales)) {
System.err.println("testFilter(" + mode + ") failed on language ranges:"
+ " [" + ranges + "] and language tags: [" + tags + "]");
err = true;
}
}
/* Before the fix, the testLookup() method was returning null in Turkish
* Locale
*/
private static void testLookup() {
boolean error = false;
String ranges = "hi-IN, itc-Ital";
String tags = "hi-IN, itc-Ital";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<Locale> localeList = generateLocales(tags);
Locale actualLocale
= Locale.lookup(priorityList, localeList);
String actualLocaleString = "";
if (actualLocale != null) {
actualLocaleString = actualLocale.toLanguageTag();
} else {
error = true;
}
String expectedLocale = "hi-IN";
if (!expectedLocale.equals(actualLocaleString)) {
error = true;
}
if (error) {
System.err.println("testLookup() failed on language ranges:"
+ " [" + ranges + "] and language tags: [" + tags + "]");
err = true;
}
}
/* Before the fix, testMapEquivalents() method was returning only "hi-in"
* in Turkish Locale
*/
private static void testMapEquivalents() {
String ranges = "HI-IN";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
HashMap<String, List<String>> map = new LinkedHashMap<>();
List<String> equivalentList = new ArrayList<>();
equivalentList.add("HI");
equivalentList.add("HI-Deva");
map.put("HI", equivalentList);
List<LanguageRange> expected = new ArrayList<>();
expected.add(new LanguageRange("hi-in"));
expected.add(new LanguageRange("hi-deva-in"));
List<LanguageRange> got
= LanguageRange.mapEquivalents(priorityList, map);
if (!areEqual(expected, got)) {
System.err.println("testMapEquivalents() failed");
err = true;
}
}
private static boolean areEqual(List<LanguageRange> expected,
List<LanguageRange> got) {
boolean error = false;
if (expected.equals(got)) {
return !error;
}
List<LanguageRange> cloneExpected = new ArrayList<>(expected);
cloneExpected.removeAll(got);
if (!cloneExpected.isEmpty()) {
error = true;
System.err.println("Found missing range(s): " + cloneExpected);
}
// not creating the 'got' clone as the list will not be used after this
got.removeAll(expected);
if (!got.isEmpty()) {
error = true;
System.err.println("Found extra range(s): " + got);
}
return !error;
}
private static List<Locale> generateLocales(String tags) {
if (tags == null) {
return null;
}
List<Locale> localeList = new ArrayList<>();
if (tags.equals("")) {
return localeList;
}
String[] t = tags.split(", ");
for (String tag : t) {
localeList.add(Locale.forLanguageTag(tag));
}
return localeList;
}
private static String showLocales(List<Locale> locales) {
StringBuilder sb = new StringBuilder();
Iterator<Locale> itr = locales.iterator();
if (itr.hasNext()) {
sb.append(itr.next().toLanguageTag());
}
while (itr.hasNext()) {
sb.append(", ");
sb.append(itr.next().toLanguageTag());
}
return sb.toString().trim();
}
}
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