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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
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test/jdk/java/util/Calendar/Bug8167273.java Normal file
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/*
* Copyright (c) 2017, 2025, 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 8167273 8251317 8258794 8174269
* @summary Test
* Era names retrieved from Calendar and DateFormatSymbols class
* should match for default providers preference
* Empty era names are not retrieved from DateFormatSymbols class.
* Equivalent locales specified for [zh-HK, no-NO, no] for
* CLDR Provider works correctly.
* Implicit COMPAT Locale nb is reflected in available locales
* @modules java.base/sun.util.locale.provider
* java.base/sun.util.spi
* jdk.localedata
* @run main Bug8167273 testEraName
* @run main Bug8167273 testCldr
* @run main Bug8167273 testEmptyEraNames
*/
import java.text.DateFormatSymbols;
import java.util.Arrays;
import java.util.Calendar;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import sun.util.locale.provider.LocaleProviderAdapter;
import sun.util.locale.provider.LocaleProviderAdapter.Type;
public class Bug8167273 {
public static void main(String[] args) throws Exception {
switch (args[0]) {
case "testEraName":
testEraName();
break;
case "testEmptyEraNames":
testEmptyEraNames();
break;
case "testCldr":
testCldrSupportedLocales();
break;
default:
throw new RuntimeException("no test was specified.");
}
}
/**
* tests that era names retrieved from Calendar.getDisplayNames map should
* match with that of Era names retrieved from DateFormatSymbols.getEras()
* method for all Gregorian Calendar locales .
*/
public static void testEraName() {
Set<Locale> allLocales = Set.of(Locale.getAvailableLocales());
Set<Locale> JpThlocales = Set.of(
Locale.of("th", "TH"), Locale.forLanguageTag("th-Thai-TH"),
Locale.of("ja", "JP", "JP"), Locale.of("th", "TH", "TH")
);
Set<Locale> allLocs = new HashSet<>(allLocales);
// Removing Japanese and Thai Locales to check Gregorian Calendar Locales
allLocs.removeAll(JpThlocales);
allLocs.forEach((locale) -> {
Calendar cal = Calendar.getInstance(locale);
Map<String, Integer> names = cal.getDisplayNames(Calendar.ERA, Calendar.ALL_STYLES, locale);
DateFormatSymbols symbols = new DateFormatSymbols(locale);
String[] eras = symbols.getEras();
for (String era : eras) {
if (!names.containsKey(era)) {
reportMismatch(names.keySet(), eras, locale);
}
}
});
}
private static void reportMismatch(Set<String> CalendarEras, String[] dfsEras, Locale locale) {
System.out.println("For Locale " + locale + "era names in calendar map are " + CalendarEras);
for (String era : dfsEras) {
System.out.println("For Locale " + locale + " era names in DateFormatSymbols era array are " + era);
}
throw new RuntimeException(" Era name retrieved from Calendar class do not match with"
+ " retrieved from DateFormatSymbols for Locale " + locale);
}
/**
* tests that Eras names returned from DateFormatSymbols.getEras()
* and Calendar.getDisplayNames() should not be empty for any Locale.
*/
private static void testEmptyEraNames() {
Set<Locale> allLocales = Set.of(Locale.getAvailableLocales());
allLocales.forEach((loc) -> {
DateFormatSymbols dfs = new DateFormatSymbols(loc);
Calendar cal = Calendar.getInstance(loc);
Map<String, Integer> names = cal.getDisplayNames(Calendar.ERA, Calendar.ALL_STYLES, loc);
Set<String> CalendarEraNames = names.keySet();
String[] eras = dfs.getEras();
for (String era : eras) {
if (era.isEmpty()) {
throw new RuntimeException("Empty era names retrieved for DateFomatSymbols.getEras"
+ " for locale " + loc);
}
}
CalendarEraNames.stream().filter((erakey) -> (erakey.isEmpty())).forEachOrdered((l) -> {
throw new RuntimeException("Empty era names retrieved for Calendar.getDisplayName"
+ " for locale " + loc);
});
});
}
/**
* tests that CLDR provider should return true for locale zh_HK, no-NO and
* no.
*/
private static void testCldrSupportedLocales() {
Set<Locale> locales = Set.of(Locale.forLanguageTag("zh-HK"),
Locale.forLanguageTag("no-NO"),
Locale.forLanguageTag("no"));
LocaleProviderAdapter cldr = LocaleProviderAdapter.forType(Type.CLDR);
Set<Locale> availableLocs = Set.of(cldr.getAvailableLocales());
Set<String> langtags = new HashSet<>();
availableLocs.forEach((loc) -> {
langtags.add(loc.toLanguageTag());
});
locales.stream().filter((loc) -> (!cldr.isSupportedProviderLocale(loc, langtags))).forEachOrdered((loc) -> {
throw new RuntimeException("Locale " + loc + " is not supported by CLDR Locale Provider");
});
}
}