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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 8035133
* @summary Checks that the tags matching the range with quality weight q=0
* e.g. en;q=0 must be elimited and must not be the part of output
*/
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
public class Bug8035133 {
private static boolean err = false;
public static void main(String[] args) {
// checking Locale.lookup with de-ch;q=0
checkLookup("en;q=0.1, *-ch;q=0.5, de-ch;q=0",
"de-ch, en, fr-ch", "fr-CH");
/* checking Locale.lookup with *;q=0 '*' should be ignored
* in lookup
*/
checkLookup("en;q=0.1, *-ch;q=0.5, *;q=0",
"de-ch, en, fr-ch", "de-CH");
// checking Locale.filter with fr-ch;q=0 in BASIC_FILTERING
checkFilter("en;q=0.1, fr-ch;q=0.0, de-ch;q=0.5",
"de-ch, en, fr-ch", "de-CH, en");
// checking Locale.filter with *;q=0 in BASIC_FILTERING
checkFilter("de-ch;q=0.6, *;q=0", "de-ch, fr-ch", "");
// checking Locale.filter with *;q=0 in BASIC_FILTERING
checkFilter("de-ch;q=0.6, de;q=0", "de-ch", "");
// checking Locale.filter with *;q=0.6, en;q=0 in BASIC_FILTERING
checkFilter("*;q=0.6, en;q=0", "de-ch, hi-in, en", "de-CH, hi-IN");
// checking Locale.filter with de-ch;q=0 in EXTENDED_FILTERING
checkFilter("en;q=0.1, *-ch;q=0.5, de-ch;q=0",
"de-ch, en, fr-ch", "fr-CH, en");
/* checking Locale.filter with *-ch;q=0 in EXTENDED_FILTERING which
* must make filter to return "" empty or no match
*/
checkFilter("de-ch;q=0.5, *-ch;q=0", "de-ch, fr-ch", "");
/* checking Locale.filter with *;q=0 in EXTENDED_FILTERING which
* must make filter to return "" empty or no match
*/
checkFilter("*-ch;q=0.5, *;q=0", "de-ch, fr-ch", "");
/* checking Locale.filter with *;q=0.6, *-Latn;q=0 in
* EXTENDED_FILTERING
*/
checkFilter("*;q=0.6, *-Latn;q=0", "de-ch, hi-in, en-Latn",
"de-CH, hi-IN");
if (err) {
throw new RuntimeException("[LocaleMatcher method(s) failed]");
}
}
private static void checkLookup(String ranges, String tags,
String expectedLocale) {
List<Locale.LanguageRange> priorityList = Locale.LanguageRange
.parse(ranges);
List<Locale> localeList = generateLocales(tags);
Locale loc = Locale.lookup(priorityList, localeList);
String actualLocale
= loc.toLanguageTag();
if (!actualLocale.equals(expectedLocale)) {
System.err.println("Locale.lookup failed with ranges: " + ranges
+ " Expected: " + expectedLocale
+ " Actual: " + actualLocale);
err = true;
}
}
private static void checkFilter(String ranges, String tags,
String expectedLocales) {
List<Locale.LanguageRange> priorityList = Locale.LanguageRange
.parse(ranges);
List<Locale> localeList = generateLocales(tags);
String actualLocales = getLocalesAsString(
Locale.filter(priorityList, localeList));
if (!actualLocales.equals(expectedLocales)) {
System.err.println("Locale.filter failed with ranges: " + ranges
+ " Expected: " + expectedLocales
+ " Actual: " + actualLocales);
err = true;
}
}
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 getLocalesAsString(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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