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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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test/jdk/java/util/Locale/MatchEmptyWeightCorrectly.java Normal file
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/*
* Copyright (c) 2016, 2023, 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
* @run junit MatchEmptyWeightCorrectly
*/
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.stream.Stream;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class MatchEmptyWeightCorrectly {
// Ensure weights with 'q=0' work as expected during lookup
@ParameterizedTest
@MethodSource("lookupProvider")
public void lookupTest(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();
assertEquals(expectedLocale, actualLocale);
}
private static Stream<Arguments> lookupProvider() {
return Stream.of(
// checking Locale.lookup with de-ch;q=0
Arguments.of("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
Arguments.of("en;q=0.1, *-ch;q=0.5, *;q=0",
"de-ch, en, fr-ch", "de-CH")
);
}
// Ensure weights with 'q=0' work as expected during filtering
@ParameterizedTest
@MethodSource("filterProvider")
public void filterTest(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));
assertEquals(expectedLocales, actualLocales);
}
private static Stream<Arguments> filterProvider() {
return Stream.of(
// checking Locale.filter with fr-ch;q=0 in BASIC_FILTERING
Arguments.of("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
Arguments.of("de-ch;q=0.6, *;q=0", "de-ch, fr-ch", ""),
// checking Locale.filter with *;q=0 in BASIC_FILTERING
Arguments.of("de-ch;q=0.6, de;q=0", "de-ch", ""),
// checking Locale.filter with *;q=0.6, en;q=0 in BASIC_FILTERING
Arguments.of("*;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
Arguments.of("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
*/
Arguments.of("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
*/
Arguments.of("*-ch;q=0.5, *;q=0", "de-ch, fr-ch", ""),
/* checking Locale.filter with *;q=0.6, *-Latn;q=0 in
* EXTENDED_FILTERING
*/
Arguments.of("*;q=0.6, *-Latn;q=0", "de-ch, hi-in, en-Latn",
"de-CH, hi-IN")
);
}
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();
}
}