1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /* 
  25  * @test
  26  * @bug 8141243
  27  * @summary Make sure that SimpleDateFormat parses "UTC" as the UTC time zone.
  28  * @run main Bug8141243
  29  * @run main/othervm -Djava.locale.providers=COMPAT Bug8141243
  30  */
  31 
  32 import java.text.DateFormat;
  33 import java.text.ParseException;
  34 import java.text.SimpleDateFormat;
  35 import java.util.ArrayList;
  36 import java.util.Date;
  37 import java.util.List;
  38 import java.util.Locale;
  39 import java.util.TimeZone;
  40 import static java.util.TimeZone.*;
  41 
  42 public class Bug8141243 {
  43     public static void main(String[] args) {
  44         TimeZone UTC = TimeZone.getTimeZone("UTC");
  45         TimeZone initTz = TimeZone.getDefault();
  46 
  47         List<String> errors = new ArrayList<>();
  48         try {
  49             TimeZone.setDefault(TimeZone.getTimeZone("America/Los_Angeles"));
  50             for (Locale locale : DateFormat.getAvailableLocales()) {
  51                 // exclude any locales which localize "UTC".
  52                 String utc = UTC.getDisplayName(false, SHORT, locale);
  53                 if (!"UTC".equals(utc)) {
  54                     System.out.println("Skipping " + locale + " due to localized UTC name: " + utc);
  55                     continue;
  56                 }
  57                 SimpleDateFormat fmt = new SimpleDateFormat("z", locale);
  58                 try {
  59                     Date date = fmt.parse("UTC");
  60                     // Parsed one may not exactly be UTC. Universal, UCT, etc. are equivalents.
  61                     if (!fmt.getTimeZone().getID().matches("(Etc/)?(UTC|Universal|UCT|Zulu)")) {
  62                         errors.add("timezone: " + fmt.getTimeZone().getID()
  63                                    + ", locale: " + locale);
  64                     }
  65                 } catch (ParseException e) {
  66                     errors.add("parse exception: " + e + ", locale: " + locale);
  67                 }
  68             }
  69         } finally {
  70             // Restore the default time zone
  71             TimeZone.setDefault(initTz);
  72         }
  73 
  74         if (!errors.isEmpty()) {
  75             System.out.println("Got unexpected results:");
  76             for (String s : errors) {
  77                 System.out.println("    " + s);
  78             }
  79             throw new RuntimeException("Test failed.");
  80         } else {
  81             System.out.println("Test passed.");
  82         }
  83     }
  84 }