1 /*
   2  * Copyright (c) 2012, 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 package test.java.time.format;
  25 
  26 import java.util.Date;
  27 import java.util.Locale;
  28 import java.util.Random;
  29 import java.util.Set;
  30 import java.util.TimeZone;
  31 
  32 import java.time.ZonedDateTime;
  33 import java.time.ZoneId;
  34 import java.time.temporal.ChronoField;
  35 import java.time.format.DateTimeFormatSymbols;
  36 import java.time.format.DateTimeFormatter;
  37 import java.time.format.DateTimeFormatterBuilder;
  38 import java.time.format.TextStyle;
  39 import java.time.zone.ZoneRulesProvider;
  40 
  41 import org.testng.annotations.Test;
  42 import static org.testng.Assert.assertEquals;
  43 
  44 /**
  45  * Test ZoneTextPrinterParser
  46  */
  47 @Test(groups={"implementation"})
  48 public class TestZoneTextPrinterParser extends AbstractTestPrinterParser {
  49 
  50     protected static DateTimeFormatter getFormatter(Locale locale, TextStyle style) {
  51         return new DateTimeFormatterBuilder().appendZoneText(style)
  52                                              .toFormatter(locale)
  53                                              .withSymbols(DateTimeFormatSymbols.of(locale));
  54     }
  55 
  56     public void test_printText() {
  57         Random r = new Random();
  58         int N = 50;
  59         Locale[] locales = Locale.getAvailableLocales();
  60         Set<String> zids = ZoneRulesProvider.getAvailableZoneIds();
  61         ZonedDateTime zdt = ZonedDateTime.now();
  62 
  63         //System.out.printf("locale==%d, timezone=%d%n", locales.length, zids.size());
  64         while (N-- > 0) {
  65             zdt = zdt.withDayOfYear(r.nextInt(365) + 1)
  66                      .with(ChronoField.SECOND_OF_DAY, r.nextInt(86400));
  67             for (String zid : zids) {
  68                 zdt = zdt.withZoneSameLocal(ZoneId.of(zid));
  69                 TimeZone tz = TimeZone.getTimeZone(zid);
  70                 boolean isDST = tz.inDaylightTime(new Date(zdt.toInstant().toEpochMilli()));
  71                 for (Locale locale : locales) {
  72                     printText(locale, zdt, TextStyle.FULL,
  73                               tz.getDisplayName(isDST, TimeZone.LONG, locale));
  74                     printText(locale, zdt, TextStyle.SHORT,
  75                               tz.getDisplayName(isDST, TimeZone.SHORT, locale));
  76                 }
  77             }
  78         }
  79     }
  80 
  81     private void printText(Locale locale, ZonedDateTime zdt, TextStyle style, String expected) {
  82         String result = getFormatter(locale, style).print(zdt);
  83         if (!result.equals(expected)) {
  84             if (result.equals("FooLocation") || // from rules provider test if same vm
  85                 result.startsWith("Etc/GMT") || result.equals("ROC")) {  // TBD: match jdk behavior?
  86                 return;
  87             }
  88             System.out.println("----------------");
  89             System.out.printf("tdz[%s]%n", zdt.toString());
  90             System.out.printf("[%-4s, %5s] :[%s]%n", locale.toString(), style.toString(),result);
  91             System.out.printf("%4s, %5s  :[%s]%n", "", "", expected);
  92         }
  93         assertEquals(result, expected);
  94     }
  95 }