001 // Copyright 2005 The Apache Software Foundation 002 // 003 // Licensed under the Apache License, Version 2.0 (the "License"); 004 // you may not use this file except in compliance with the License. 005 // You may obtain a copy of the License at 006 // 007 // http://www.apache.org/licenses/LICENSE-2.0 008 // 009 // Unless required by applicable law or agreed to in writing, software 010 // distributed under the License is distributed on an "AS IS" BASIS, 011 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 // See the License for the specific language governing permissions and 013 // limitations under the License. 014 015 package org.apache.tapestry.web; 016 017 import java.util.ArrayList; 018 import java.util.Collections; 019 import java.util.Enumeration; 020 import java.util.List; 021 022 import org.apache.tapestry.BaseComponentTestCase; 023 import org.testng.annotations.Test; 024 025 /** 026 * Tests for {@link org.apache.tapestry.web.WebUtils}. 027 * 028 * @author Howard M. Lewis Ship 029 * @since 4.0 030 */ 031 @Test 032 public class TestWebUtils extends BaseComponentTestCase 033 { 034 public void testToSortedList() 035 { 036 List l = new ArrayList(); 037 l.add("Fred"); 038 l.add("Barney"); 039 Enumeration e = Collections.enumeration(l); 040 041 l = WebUtils.toSortedList(e); 042 043 assertEquals(2, l.size()); 044 assertEquals("Barney", l.get(0)); 045 assertEquals("Fred", l.get(1)); 046 047 // Make sure its not modifiable. 048 049 try 050 { 051 l.add("Wilma"); 052 unreachable(); 053 } 054 catch (UnsupportedOperationException ex) 055 { 056 // That's expected. 057 } 058 } 059 060 public void testToSortedListEmpty() 061 { 062 List l = new ArrayList(); 063 Enumeration e = Collections.enumeration(l); 064 065 List sorted = WebUtils.toSortedList(e); 066 067 assertSame(Collections.EMPTY_LIST, sorted); 068 } 069 }