1 /*
   2  * Copyright (c) 2004, 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 /*
  25  * @test
  26  * @bug 4845901
  27  * @summary Make sure that SimpleDateFormat.parse() can distinguish
  28  * the same time zone abbreviation for standard and daylight saving
  29  * time.
  30  */
  31 
  32 import java.util.*;
  33 import java.text.SimpleDateFormat;
  34 
  35 public class Bug4845901 {
  36     public static void main (String args[]) {
  37         TimeZone savedTZ = TimeZone.getDefault();
  38         TimeZone.setDefault(TimeZone.getTimeZone("Australia/Sydney"));
  39         SimpleDateFormat sdf = new SimpleDateFormat("yyyy.MM.dd HH:mm:ss.SSS z");
  40         try {
  41             testParse(sdf, "2003.01.13 11:10:00.802 AEDT", 11);
  42             testParse(sdf, "2003.06.12 11:10:00.802 AEST", 11);
  43             testParse(sdf, "2004.12.24 10:10:00.002 AEDT", 10);
  44             testParse(sdf, "2004.08.10 10:10:00.002 AEST", 10);
  45         } finally {
  46             TimeZone.setDefault(savedTZ);
  47         }
  48     }
  49 
  50     static void testParse(SimpleDateFormat sdf, String str, int expectedHour) {
  51         try {
  52             Date parsedDate = sdf.parse(str);
  53             if (parsedDate.getHours() != expectedHour) {
  54                 throw new RuntimeException(
  55                         "parsed date has wrong hour: " + parsedDate.getHours()
  56                         + ", expected: " + expectedHour
  57                         + "\ngiven string: " + str
  58                         + "\nparsedDate = " + parsedDate);
  59             }
  60         } catch (java.text.ParseException e) {
  61             throw new RuntimeException("parse exception", e);
  62         }
  63     }
  64 }