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 Locale.hasExtensions() and Locale.stripExtensions().
  28  */
  29 
  30 import java.util.*;
  31 
  32 public class ExtensionsTest {
  33     public static void main(String[] args) {
  34         Locale jaJPJP = new Locale("ja", "JP", "JP");
  35         if (!jaJPJP.hasExtensions()) {
  36             error(jaJPJP + " should have an extension.");
  37         }
  38         Locale stripped = jaJPJP.stripExtensions();
  39         if (stripped.hasExtensions()) {
  40             error(stripped + " should NOT have an extension.");
  41         }
  42         if (jaJPJP.equals(stripped)) {
  43             throw new RuntimeException("jaJPJP equals stripped");
  44         }
  45         if (!"ja-JP-x-lvariant-JP".equals(stripped.toLanguageTag())) {
  46             error("stripped.toLanguageTag() isn't ja-JP-x-lvariant-JP");
  47         }
  48 
  49         Locale enUSja = Locale.forLanguageTag("en-US-u-ca-japanese");
  50         if (!enUSja.stripExtensions().equals(Locale.US)) {
  51             error("stripped enUSja not equals Locale.US");
  52         }
  53 
  54         // If a Locale has no extensions, stripExtensions() returns self.
  55         Locale enUS = Locale.US.stripExtensions();
  56         if (enUS != Locale.US) {
  57             error("stripped Locale.US != Locale.US");
  58         }
  59     }
  60 
  61     private static void error(String msg) {
  62         throw new RuntimeException(msg);
  63     }
  64 }