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 /*
  25  * @test
  26  * @bug 7168528
  27  * @summary Test the default implementation of LocaleServiceProvider.isSupportedLocale.
  28  */
  29 
  30 import java.util.*;
  31 import java.util.spi.LocaleServiceProvider;
  32 
  33 public class SupportedLocalesTest {
  34     private static final Locale[] GOOD_ONES = {
  35         Locale.forLanguageTag("ja-JP-x-lvariant-JP"),
  36         Locale.forLanguageTag("th-TH-x-lvariant-TH"),
  37         Locale.US,
  38     };
  39     private static final Locale[] BAD_ONES = {
  40         Locale.GERMAN,
  41         Locale.GERMANY,
  42         Locale.CANADA,
  43         Locale.TAIWAN,
  44     };
  45 
  46     public static void main(String[] args) {
  47         LocaleServiceProvider provider = new TestLocaleServiceProvider();
  48         List<Locale> locs = new ArrayList<>();
  49         locs.addAll(Arrays.asList(GOOD_ONES));
  50         locs.addAll(Arrays.asList(provider.getAvailableLocales()));
  51         for (Locale locale : locs) {
  52             if (!provider.isSupportedLocale(locale)) {
  53                 throw new RuntimeException(locale + " is NOT supported.");
  54             }
  55         }
  56 
  57         for (Locale locale : BAD_ONES) {
  58             if (provider.isSupportedLocale(locale)) {
  59                 throw new RuntimeException(locale + " should NOT be supported.");
  60             }
  61         }
  62     }
  63 
  64     private static class TestLocaleServiceProvider extends LocaleServiceProvider {
  65         private static final Locale[] locales = {
  66             new Locale("ja", "JP", "JP"),
  67             new Locale("th", "TH", "TH"),
  68             Locale.forLanguageTag("en-US-u-ca-buddhist"),
  69         };
  70 
  71         @Override
  72         public Locale[] getAvailableLocales() {
  73             return locales.clone();
  74         }
  75     }
  76 }