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/*
* Copyright (c) 2001, 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 4407042
* @summary Make sure that cloned SimpleDateFormat objects work
* independently in multiple threads.
* @library /java/text/testlib
* @run main Bug4407042 10
*/
import java.io.*;
import java.text.*;
import java.util.*;
// Usage: java Bug4407042 [duration]
public class Bug4407042 {
static final String TIME_STRING = "2000/11/18 00:01:00";
static final long UTC_LONG = 974534460000L;
static SimpleDateFormat masterFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
static boolean runrun = true;
static int duration = 100;
void test() {
Locale locale = Locale.getDefault();
if (!TestUtils.usesAsciiDigits(locale)
|| !TestUtils.usesGregorianCalendar(locale)) {
System.out.println("Skipping this test because locale is " + locale);
return;
}
masterFormat.setTimeZone(TimeZone.getTimeZone("America/Los_Angeles"));
DateParseThread d1 = new DateParseThread();
DateFormatThread d2 = new DateFormatThread();
d1.start();
d2.start();
int n = Thread.activeCount();
boolean failed = false;
for (int i = 0; i < duration; i++) {
try {
Thread.sleep(1000);
if (Thread.activeCount() != n) {
failed = true;
break;
}
} catch (InterruptedException e) {
}
}
runrun = false;
try {
d1.join();
d2.join();
} catch (InterruptedException e) {
}
if (failed) {
throw new RuntimeException("Failed");
}
}
synchronized static SimpleDateFormat getFormatter() {
return (SimpleDateFormat) masterFormat.clone();
}
static class DateParseThread extends Thread {
public void run() {
SimpleDateFormat sdf = getFormatter();
Calendar cal = null;
try {
int i = 0;
while (runrun) {
Date date =sdf.parse(TIME_STRING);
long t = date.getTime();
i++;
if (t != UTC_LONG) {
throw new RuntimeException("Parse Error: " + i +
" (" + sdf.format(date) + ") " + t +
" != " + UTC_LONG);
}
}
} catch (ParseException e) {
e.printStackTrace();
throw new RuntimeException("Parse Error");
}
}
}
static class DateFormatThread extends Thread {
public void run () {
SimpleDateFormat sdf = getFormatter();
Calendar cal = null;
int i = 0;
while (runrun) {
i++;
String s = sdf.format(new Date(UTC_LONG));
if (!s.equals(TIME_STRING)) {
throw new RuntimeException("Format Error: " + i + " " +
s + " != " + TIME_STRING);
}
}
}
}
public static void main (String[] args) {
if (args.length == 1) {
duration = Math.max(10, Integer.parseInt(args[0]));
}
new Bug4407042().test();
}
}
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