1   /*
2    * $Source: /usr/cvsroot/melati/melati/src/test/java/org/melati/util/test/AcceptCharsetTest.java,v $
3    * $Revision: 1.7 $
4    *
5    * Copyright (C) 2003 Jim Wright
6    *
7    * Part of Melati (http://melati.org), a framework for the rapid
8    * development of clean, maintainable web applications.
9    *
10   * Melati is free software; Permission is granted to copy, distribute
11   * and/or modify this software under the terms either:
12   *
13   * a) the GNU General Public License as published by the Free Software
14   *    Foundation; either version 2 of the License, or (at your option)
15   *    any later version,
16   *
17   *    or
18   *
19   * b) any version of the Melati Software License, as published
20   *    at http://melati.org
21   *
22   * You should have received a copy of the GNU General Public License and
23   * the Melati Software License along with this program;
24   * if not, write to the Free Software Foundation, Inc.,
25   * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the
26   * GNU General Public License and visit http://melati.org to obtain the
27   * Melati Software License.
28   *
29   * Feel free to contact the Developers of Melati (http://melati.org),
30   * if you would like to work out a different arrangement than the options
31   * outlined here.  It is our intention to allow Melati to be used by as
32   * wide an audience as possible.
33   *
34   * This program is distributed in the hope that it will be useful,
35   * but WITHOUT ANY WARRANTY; without even the implied warranty of
36   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
37   * GNU General Public License for more details.
38   *
39   * Contact details for copyright holder:
40   *
41   *     Jim Wright <jimw@paneris.org>
42   *     Bohemian Enterprise
43   *     Predmerice nad Jizerou 77
44   *     294 74
45   *     Mlada Boleslav
46   *     Czech Republic
47   */
48  
49  package org.melati.util.test;
50  
51  
52  import junit.framework.TestCase;
53  
54  import org.melati.util.AcceptCharset;
55  import org.melati.util.HttpHeader;
56  
57  /**
58   * Tests the corresponding class in the superpackage.
59   *
60   * @see AcceptCharset
61   * @author jimw@paneris.org
62   * @version $Version: $
63   */
64  public class AcceptCharsetTest extends TestCase {
65  
66    /**
67     * Constructor.
68     */
69    public AcceptCharsetTest(String testCaseName) {
70      super(testCaseName);
71    }
72  
73    /**
74     * Test choosing charsets.
75     */
76    public void testChoices() throws Exception {
77  
78      String headerValue = "ISO-8859-2, utf-8;q=0.66, *;q=0.66";
79      String supportedPreference[] = new String[] {
80        "UTF-16",
81        "UTF-8",
82        "ISO-8859-1",
83      };
84      AcceptCharset ac = new AcceptCharset(headerValue, supportedPreference);
85      assertEquals("ISO-8859-2", ac.clientChoice());
86      assertEquals("UTF-16", ac.serverChoice());
87  
88      headerValue = "utf-8;q=0.66,ISO-8859-3,ISO-8859-2";
89      supportedPreference = new String[] {
90        "ISO-8859-1",
91        "UTF-16",
92        "UTF-8",
93        "BOLLOX",
94      };
95      
96      ac = new AcceptCharset(headerValue, supportedPreference);
97      assertEquals("ISO-8859-3", ac.clientChoice());
98      assertEquals("ISO-8859-1", ac.serverChoice());
99  
100     headerValue = "*;q=0.0";
101     supportedPreference = new String[] {
102       "UTF-16",
103       "UTF-8",
104       "BOLLOX",
105       "ISO-8859-1",
106     };
107     ac = new AcceptCharset(headerValue, supportedPreference);
108     assertEquals(null, ac.clientChoice());
109     assertEquals(null, ac.serverChoice());
110 
111     ac = new AcceptCharset(null, supportedPreference);
112     assertEquals("ISO-8859-1", ac.clientChoice());
113     assertEquals("ISO-8859-1", ac.serverChoice());
114 
115     try { 
116       ac = new AcceptCharset("BOLLOX", supportedPreference);
117       fail("Should have blown up");
118     } catch (HttpHeader.HttpHeaderException e) { 
119       e = null;
120     }
121 
122   }
123 
124 }
125