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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/text/Format/DateFormat/Bug7130335.java Normal file
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/*
* Copyright (c) 2012, 2013, 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 7130335 7130335
* @summary Make sure that round-trip conversion (format/parse) works
* with old timestamps in Europe/Moscow and with multiple time zone letters.
*/
import java.text.*;
import java.util.*;
import static java.util.GregorianCalendar.*;
public class Bug7130335 {
private static final TimeZone MOSCOW = TimeZone.getTimeZone("Europe/Moscow");
private static final TimeZone LONDON = TimeZone.getTimeZone("Europe/London");
private static final TimeZone LA = TimeZone.getTimeZone("America/Los_Angeles");
private static final TimeZone[] ZONES = {
MOSCOW, LONDON, LA
};
public static void main(String[] args) throws Exception {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS z", Locale.US);
sdf.setTimeZone(MOSCOW);
Calendar cal = new GregorianCalendar(MOSCOW, Locale.US);
cal.clear();
// Try both +03:00 and +02:00
cal.set(1922, SEPTEMBER, 30);
test(sdf, cal);
cal.add(DAY_OF_YEAR, 1);
test(sdf, cal);
cal.set(1991, MARCH, 31);
// in daylight saving time
test(sdf, cal);
cal.add(DAY_OF_YEAR, 1);
test(sdf, cal);
// Try the current timestamp
cal.setTimeInMillis(System.currentTimeMillis());
test(sdf, cal);
// tests for multiple time zone letters (8000529)
test8000529("yyyy-MM-dd HH:mm:ss.SSS Z (z)");
test8000529("yyyy-MM-dd HH:mm:ss.SSS Z (zzzz)");
test8000529("yyyy-MM-dd HH:mm:ss.SSS z (Z)");
test8000529("yyyy-MM-dd HH:mm:ss.SSS zzzz (Z)");
}
private static void test(SimpleDateFormat sdf, Calendar cal) throws Exception {
Date d = cal.getTime();
String f = sdf.format(d);
System.out.println(f);
Date pd = sdf.parse(f);
String p = sdf.format(pd);
if (!d.equals(pd) || !f.equals(p)) {
throw new RuntimeException("format: " + f + ", parse: " + p);
}
}
private static void test8000529(String fmt) throws Exception {
for (TimeZone tz : ZONES) {
SimpleDateFormat sdf = new SimpleDateFormat(fmt, Locale.US);
sdf.setTimeZone(tz);
Calendar cal = new GregorianCalendar(tz, Locale.US);
cal.clear();
cal.set(2012, JUNE, 22);
test(sdf, cal);
cal.set(2012, DECEMBER, 22);
test(sdf, cal);
cal.setTimeInMillis(System.currentTimeMillis());
test(sdf, cal);
}
}
}