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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/Date/DateGregorianCalendarTest.java Normal file
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/*
* Copyright (c) 2003, 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 4614842
* @summary Make sure that a Date and a GregorianCalendar produce the same date/time. Both are new implementations in 1.5.
* @run main DateGregorianCalendarTest 15
*/
import java.util.*;
import static java.util.GregorianCalendar.*;
// Usage: java DateGregorianCalendarTest [duration]
@SuppressWarnings("deprecation")
public class DateGregorianCalendarTest {
static volatile boolean runrun = true;
static int nThreads;
public static void main(String[] args) {
int duration = 600;
if (args.length == 1) {
duration = Math.max(10, Integer.parseInt(args[0]));
}
TimeZone savedTZ = TimeZone.getDefault();
try {
TimeZone.setDefault(TimeZone.getTimeZone("GMT"));
Thread[] t = new Thread[10]; // for future bugs...
int index = 0;
t[index++] = new Thread(new Runnable() {
public void run() {
GregorianCalendar gc = new GregorianCalendar();
long delta = (long)(279 * 365.2422 * 24 * 60 * 60 * 1000);
long count = 0;
try {
for (long t = Long.MIN_VALUE; runrun && t < Long.MAX_VALUE-delta; t += delta) {
gc.setTimeInMillis(t);
Date date = new Date(t);
int y;
if (!((y = gc.get(YEAR)) == (date.getYear()+1900) &&
gc.get(MONTH) == date.getMonth() &&
gc.get(DAY_OF_MONTH) == date.getDate() &&
gc.get(HOUR_OF_DAY) == date.getHours() &&
gc.get(MINUTE) == date.getMinutes() &&
gc.get(SECOND) == date.getSeconds())) {
throw new RuntimeException("GregorinCalendar and Date returned different dates."
+" (millis=" + t + ")\n"
+"GC=" + gc + "\nDate=" + date);
}
++count;
if (y >= 1) {
delta = (long)(365.2422 * 24 * 60 * 60 * 1000);
}
if (y >= 1970) {
delta = (24 * 60 * 60 * 1000);
}
if (y >= 2039) {
delta = (long)(279 * 365.2422 * 24 * 60 * 60 * 1000);
}
}
if (runrun) {
System.out.println("Part I (count="+count+"): Passed");
} else {
System.out.println("Part I (count="+count+"): Incomplete");
}
} catch (RuntimeException e) {
System.out.println("Part I (count="+count+"): FAILED");
runrun = false;
throw e;
} finally {
decrementCounter();
}
}
});
t[index++] = new Thread(new Runnable() {
public void run() {
GregorianCalendar gc = new GregorianCalendar();
long count = 0;
int delta;
try {
for (long year = Integer.MIN_VALUE+1900;
runrun && year <= Integer.MAX_VALUE; year += delta) {
checkTimes(gc, year, JANUARY, 1, 0, 0, 0);
++count;
delta = getDelta((int)year);
}
for (long month = Integer.MIN_VALUE;
runrun && month <= Integer.MAX_VALUE; month += delta) {
checkTimes(gc, 1900, month, 1, 0, 0, 0);
++count;
delta = getDelta(gc.get(YEAR));
}
for (long dayOfMonth = Integer.MIN_VALUE;
runrun && dayOfMonth <= Integer.MAX_VALUE; dayOfMonth += delta) {
checkTimes(gc, 1900, JANUARY, dayOfMonth, 0, 0, 0);
++count;
delta = getDelta(gc.get(YEAR));
}
if (runrun) {
System.out.println("Part II (count="+count+"): Passed");
} else {
System.out.println("Part II (count="+count+"): Incomplete");
}
} catch (RuntimeException e) {
System.out.println("Part II (count="+count+"): FAILED");
runrun = false;
throw e;
} finally {
decrementCounter();
}
}
});
// t3 takes more than 10 minutes (on Ultra-60 450MHz) without
// the 4936355 fix due to getting the small delta.
t[index++] = new Thread(new Runnable() {
public void run() {
GregorianCalendar gc = new GregorianCalendar();
long count = 0;
int delta;
try {
for (long hourOfDay = Integer.MIN_VALUE;
runrun && hourOfDay <= Integer.MAX_VALUE; hourOfDay += delta) {
checkTimes(gc, 1970, JANUARY, 1, hourOfDay, 0, 0);
++count;
delta = getDelta(gc.get(YEAR));
}
for (long minutes = Integer.MIN_VALUE;
runrun && minutes <= Integer.MAX_VALUE; minutes += delta) {
checkTimes(gc, 1970, JANUARY, 1, 0, minutes, 0);
++count;
delta = getDelta(gc.get(YEAR)) * 60;
}
for (long seconds = Integer.MIN_VALUE;
runrun && seconds <= Integer.MAX_VALUE; seconds += delta) {
checkTimes(gc, 1970, JANUARY, 1, 0, 0, seconds);
++count;
delta = getDelta(gc.get(YEAR)) * 60 * 60;
}
if (runrun) {
System.out.println("Part III (count="+count+"): Passed");
} else {
System.out.println("Part III (count="+count+"): Incomplete");
}
} catch (RuntimeException e) {
System.out.println("Part III (count="+count+"): FAILED");
runrun = false;
throw e;
} finally {
decrementCounter();
}
}
});
for (int i = 0; i < index; i++) {
incrementCounter();
t[i].start();
}
try {
for (int i = 0; getCounter() > 0 && i < duration; i++) {
Thread.sleep(1000);
}
runrun = false;
for (int i = 0; i < index; i++) {
t[i].join();
}
} catch (InterruptedException e) {
}
} finally {
TimeZone.setDefault(savedTZ);
}
}
static void checkTimes(GregorianCalendar gc, long year, long month, long dayOfMonth,
long hourOfDay, long minutes, long seconds) {
gc.clear();
gc.set((int)year, (int)month, (int)dayOfMonth, (int)hourOfDay, (int)minutes, (int)seconds);
long time = gc.getTimeInMillis();
Date date = new Date((int)year - 1900, (int)month, (int)dayOfMonth,
(int)hourOfDay, (int)minutes, (int)seconds);
long time2 = date.getTime();
if (time != time2) {
throw new RuntimeException("GregorinCalendar and Date returned different values.\n"
+"year="+year+", month="+month+", dayOfMonth="+dayOfMonth
+"\nhourOfDay="+hourOfDay+", minutes="+minutes+", seconds="+seconds
+"\ntime=" + time + ", time2=" + time2
+"\nGC=" + gc + "\nDate=" + date);
}
}
static final int getDelta(int year) {
return (year >= 1970 && year <= 2039) ? 1 : 1<<13;
}
synchronized static void incrementCounter() {
nThreads++;
}
synchronized static void decrementCounter() {
nThreads--;
}
synchronized static int getCounter() {
return nThreads;
}
}