TestWebUtils


1   // Copyright 2005 The Apache Software Foundation
2   //
3   // Licensed under the Apache License, Version 2.0 (the "License");
4   // you may not use this file except in compliance with the License.
5   // You may obtain a copy of the License at
6   //
7   //     http://www.apache.org/licenses/LICENSE-2.0
8   //
9   // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  package org.apache.tapestry.web;
16  
17  import java.util.ArrayList  ;
18  import java.util.Collections  ;
19  import java.util.Enumeration  ;
20  import java.util.List  ;
21  
22  import org.apache.hivemind.test.HiveMindTestCase;
23  import org.apache.tapestry.web.WebUtils;
24  
25  /**
26   * Tests for {@link org.apache.tapestry.web.WebUtils}.
27   * 
28   * @author Howard M. Lewis Ship
29   * @since 4.0
30   */
31  public class TestWebUtils extends HiveMindTestCase
32  {
33      public void testToSortedList()
34      {
35          List   l = new ArrayList  ();
36          l.add("Fred");
37          l.add("Barney");
38          Enumeration   e = Collections.enumeration(l);
39  
40          l = WebUtils.toSortedList(e);
41  
42          assertEquals(2, l.size());
43          assertEquals("Barney", l.get(0));
44          assertEquals("Fred", l.get(1));
45  
46          // Make sure its not modifiable.
47  
48          try
49          {
50              l.add("Wilma");
51              unreachable();
52          }
53          catch (UnsupportedOperationException   ex)
54          {
55              // That's expected.
56          }
57      }
58  
59      public void testToSortedListEmpty()
60      {
61          List   l = new ArrayList  ();
62          Enumeration   e = Collections.enumeration(l);
63  
64          List   sorted = WebUtils.toSortedList(e);
65  
66          assertSame(Collections.EMPTY_LIST, sorted);
67      }
68  }
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