1 /*
   2  * Copyright (c) 2016, 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  * @test
  25  * @bug 8149452 8151876
  26  * @summary Check the missing time zone names.
  27  */
  28 import java.text.DateFormatSymbols;
  29 import java.util.ArrayList;
  30 import java.util.TimeZone;
  31 import java.util.Arrays;
  32 import java.util.List;
  33 
  34 public class Bug8149452 {
  35 
  36     public static void main(String[] args) {
  37 
  38         List<String> listNotFound = new ArrayList<>();
  39         String[][] zoneStrings = DateFormatSymbols.getInstance()
  40                 .getZoneStrings();
  41         for (String tzID : TimeZone.getAvailableIDs()) {
  42             if (!Arrays.stream(zoneStrings)
  43                     .anyMatch(zone -> tzID.equalsIgnoreCase(zone[0]))) {
  44                 // to ignore names for Etc/GMT[+-][0-9]+ which are not supported
  45                 // Also ignore the TimeZone DisplayNames with GMT[+-]:hh:mm
  46                 if (!tzID.startsWith("Etc/GMT")
  47                         && !tzID.startsWith("GMT")
  48                         && !TimeZone.getTimeZone(tzID).getDisplayName().startsWith("GMT")) {
  49                     listNotFound.add(tzID);
  50                 }
  51             }
  52         }
  53 
  54         if (!listNotFound.isEmpty()) {
  55             throw new RuntimeException("Test Failed: Time Zone Strings for "
  56                     + listNotFound + " not found");
  57         }
  58 
  59     }
  60 
  61 }