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/*
* Copyright (c) 2006, 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 1.1 06/01/24
* @bug 6335238
* @summary Make sure that both the original and cloned SimpleDateFormat coexistindependently and don't cut off each other.
* @run main Bug6335238 10
*/
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
// Usage: java Bug6335238 [duration]
public class Bug6335238 {
static final long UTC_LONG = 974534460000L;
static final String TIME_STRING = "2000/11/18 00:01:00";
static SimpleDateFormat masterSdf;
static int duration = 180;
static boolean stopped = false;
static boolean err = false;
public static void main(String[] args) {
if (args.length == 1) {
duration = Math.max(10, Integer.parseInt(args[0]));
}
Locale savedLocale = Locale.getDefault();
TimeZone savedTimeZone = TimeZone.getDefault();
TimeZone.setDefault(TimeZone.getTimeZone("US/Pacific"));
Locale.setDefault(Locale.US);
masterSdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
try {
// Once it is used, DecimalFormat becomes not thread-safe.
Date d = masterSdf.parse(TIME_STRING);
new Bug6335238();
} catch (Exception e) {
System.err.println(e);
err = true;
} finally {
TimeZone.setDefault(savedTimeZone);
Locale.setDefault(savedLocale);
if (err) {
throw new RuntimeException("Failed: Multiple DateFormat instances didn't work correctly.");
} else {
System.out.println("Passed.");
}
}
}
public Bug6335238() {
stopped = false;
DateParseThread d1 = new DateParseThread();
DateFormatThread d2 = new DateFormatThread();
DateParseThread d3 = new DateParseThread();
DateFormatThread d4 = new DateFormatThread();
d1.start();
d2.start();
d3.start();
d4.start();
try {
Thread.sleep(duration * 1000);
}
catch (Exception e) {
System.err.println(e);
err = true;
}
stopped = true;
}
class DateFormatThread extends Thread {
public void run() {
int i = 0;
while (!stopped) {
SimpleDateFormat sdf;
synchronized (masterSdf) {
sdf = (SimpleDateFormat)masterSdf.clone();
}
i++;
String s = sdf.format(new Date(UTC_LONG));
if (!s.equals(TIME_STRING)) {
stopped = true;
err = true;
throw new RuntimeException("Formatting Date Error: counter=" +
i + ", Got<" + s + "> != Expected<" + TIME_STRING + ">");
}
}
}
}
class DateParseThread extends Thread {
public void run() {
int i = 0;
while (!stopped) {
SimpleDateFormat sdf;
synchronized (masterSdf) {
sdf = (SimpleDateFormat)masterSdf.clone();
}
i++;
Date date;
try {
date = sdf.parse(TIME_STRING);
long t = date.getTime();
if (t != UTC_LONG) {
stopped = true;
err = true;
throw new RuntimeException("Parsing Date Error: counter=" +
i + " Got:" + t + "<" + sdf.format(date) +
"> != " + UTC_LONG);
}
}
catch (ParseException e) {
stopped = true;
err = true;
throw new RuntimeException(e);
}
}
}
}
}
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