| /* |
| * 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); |
| } |
| } |
| } |
| } |
| } |