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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/PluggableLocale/DateFormatProviderTest.java Normal file
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/*
* Copyright (c) 2007, 2024, 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 4052440 7003643 8062588 8210406 8174269
* @summary DateFormatProvider tests
* @library providersrc/foobarutils
* providersrc/fooprovider
* @modules java.base/sun.util.locale.provider
* java.base/sun.util.resources
* @build com.foobar.Utils
* com.foo.*
* @run main/othervm/timeout=300 -Djava.locale.providers=CLDR,SPI DateFormatProviderTest
*/
import java.text.DateFormat;
import java.text.Format;
import java.text.MessageFormat;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Calendar;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import java.util.Set;
import java.util.stream.Stream;
import com.foo.DateFormatProviderImpl;
import sun.util.locale.provider.LocaleProviderAdapter;
import sun.util.locale.provider.ResourceBundleBasedAdapter;
public class DateFormatProviderTest extends ProviderTest {
DateFormatProviderImpl dfp = new DateFormatProviderImpl();
List<Locale> availloc = Arrays.asList(DateFormat.getAvailableLocales());
List<Locale> providerloc = Arrays.asList(dfp.getAvailableLocales());
List<Locale> jreloc = Stream.concat(
Arrays.stream(LocaleProviderAdapter.forType(LocaleProviderAdapter.Type.CLDR).getAvailableLocales()),
Arrays.stream(LocaleProviderAdapter.forType(LocaleProviderAdapter.Type.FALLBACK).getAvailableLocales())).toList();
List<Locale> jreimplloc = Stream.concat(
Arrays.stream(LocaleProviderAdapter.forType(LocaleProviderAdapter.Type.CLDR).getDateFormatProvider().getAvailableLocales()),
Arrays.stream(LocaleProviderAdapter.forType(LocaleProviderAdapter.Type.FALLBACK).getDateFormatProvider().getAvailableLocales())).toList();
public static void main(String[] s) {
new DateFormatProviderTest();
}
DateFormatProviderTest() {
availableLocalesTest();
objectValidityTest();
extendedVariantTest();
messageFormatTest();
}
void availableLocalesTest() {
Set<Locale> localesFromAPI = new HashSet<>(availloc);
Set<Locale> localesExpected = new HashSet<>(jreloc);
localesExpected.addAll(providerloc);
if (localesFromAPI.equals(localesExpected)) {
System.out.println("availableLocalesTest passed.");
} else {
throw new RuntimeException("availableLocalesTest failed");
}
}
void objectValidityTest() {
for (Locale target: availloc) {
// Get the key for the date/time patterns which is
// specific to each calendar system.
Calendar cal = Calendar.getInstance(target);
String dkey = "DatePatterns";
String tkey = "TimePatterns";
String dtkey = "DateTimePatterns";
var calType = cal.getCalendarType();
switch (calType) {
case "buddhist":
case "japanese":
dkey = calType + "." + dkey;
tkey = calType + "." + tkey;
break;
}
// pure JRE implementation
ResourceBundle rb = ((ResourceBundleBasedAdapter)LocaleProviderAdapter.forType(LocaleProviderAdapter.Type.CLDR)).getLocaleData().getDateFormatData(target);
boolean jreSupportsLocale = jreimplloc.contains(target);
// JRE string arrays
String[] jreDatePatterns = null;
String[] jreTimePatterns = null;
String[] jreDateTimePatterns = null;
if (jreSupportsLocale) {
try {
jreDatePatterns = (String[])rb.getObject(dkey);
jreTimePatterns = (String[])rb.getObject(tkey);
jreDateTimePatterns = (String[])rb.getObject(dtkey);
} catch (MissingResourceException mre) {}
}
for (int style = DateFormat.FULL; style <= DateFormat.SHORT; style ++) {
// result object
DateFormat result = DateFormat.getDateTimeInstance(style, style, target);
// provider's object (if any)
DateFormat providersResult = null;
if (providerloc.contains(target)) {
providersResult = dfp.getDateTimeInstance(style, style, target);
}
// JRE's object (if any)
DateFormat jresResult = null;
if (jreSupportsLocale) {
Object[] dateTimeArgs = {jreTimePatterns[style],
jreDatePatterns[style]};
String pattern = MessageFormat.format(jreDateTimePatterns[style].replaceAll("'", "''"), dateTimeArgs);
jresResult = new SimpleDateFormat(pattern, target);
}
checkValidity(target, jresResult, providersResult, result, jreSupportsLocale);
}
}
}
// Check that fallback correctly occurs with locales with variant including '_'s
// This test assumes that the provider supports the ja_JP_osaka locale, and JRE does not.
void extendedVariantTest() {
Locale[] testlocs = {Locale.of("ja", "JP", "osaka_extended"),
Locale.of("ja", "JP", "osaka_extended_further"),
Locale.of("ja", "JP", "osaka_")};
for (Locale test: testlocs) {
DateFormat df = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL, test);
DateFormat provider = dfp.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL, test);
if (!df.equals(provider)) {
throw new RuntimeException("variant fallback failed. test locale: "+test);
}
}
}
private static final String[] TYPES = {
"date",
"time"
};
private static final String[] MODIFIERS = {
"",
"short",
"medium", // Same as DEFAULT
"long",
"full"
};
void messageFormatTest() {
for (Locale target : providerloc) {
for (String type : TYPES) {
for (String modifier : MODIFIERS) {
String pattern, expected;
if (modifier.equals("")) {
pattern = String.format("%s={0,%s}", type, type);
} else {
pattern = String.format("%s={0,%s,%s}", type, type, modifier);
}
if (modifier.equals("medium")) {
// medium is default.
expected = String.format("%s={0,%s}", type, type);
} else {
expected = pattern;
}
MessageFormat mf = new MessageFormat(pattern, target);
Format[] fmts = mf.getFormats();
if (fmts[0] instanceof SimpleDateFormat) {
continue;
}
String toPattern = mf.toPattern();
if (!toPattern.equals(expected)) {
throw new RuntimeException("messageFormatTest: got '" + toPattern
+ "', expected '" + expected + "'");
}
}
}
}
}
}