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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  
28  package org.apache.http.message;
29  
30  import org.apache.http.HeaderElement;
31  import org.apache.http.NameValuePair;
32  import org.junit.Assert;
33  import org.junit.Test;
34  
35  /**
36   * Simple tests for {@link HeaderElement}.
37   */
38  public class TestHeaderElement {
39  
40      @Test
41      public void testConstructor3() throws Exception {
42          final HeaderElement element = new BasicHeaderElement("name", "value",
43                  new NameValuePair[] {
44                      new BasicNameValuePair("param1", "value1"),
45                      new BasicNameValuePair("param2", "value2")
46                  } );
47          Assert.assertEquals("name", element.getName());
48          Assert.assertEquals("value", element.getValue());
49          Assert.assertEquals(2, element.getParameters().length);
50          Assert.assertEquals("value1", element.getParameterByName("param1").getValue());
51          Assert.assertEquals("value2", element.getParameterByName("param2").getValue());
52      }
53  
54      @Test
55      public void testConstructor2() throws Exception {
56          final HeaderElement element = new BasicHeaderElement("name", "value");
57          Assert.assertEquals("name", element.getName());
58          Assert.assertEquals("value", element.getValue());
59          Assert.assertEquals(0, element.getParameters().length);
60      }
61  
62  
63      @Test
64      public void testInvalidName() {
65          try {
66              new BasicHeaderElement(null, null, null);
67              Assert.fail("IllegalArgumentException should have been thrown");
68          } catch (final IllegalArgumentException ex) {
69              //expected
70          }
71      }
72  
73      @Test
74      public void testParamByName() throws Exception {
75          final String s = "name = value; param1 = value1; param2 = value2";
76          final HeaderElement element = BasicHeaderValueParser.parseHeaderElement(s, null);
77          Assert.assertEquals("value1", element.getParameterByName("param1").getValue());
78          Assert.assertEquals("value2", element.getParameterByName("param2").getValue());
79          Assert.assertNull(element.getParameterByName("param3"));
80          try {
81              element.getParameterByName(null);
82              Assert.fail("IllegalArgumentException should have been thrown");
83          } catch (final IllegalArgumentException ex) {
84              //expected
85          }
86      }
87  
88      @Test
89      public void testHashCode() {
90          final HeaderElement element1 = new BasicHeaderElement("name", "value",
91                  new NameValuePair[] {
92                      new BasicNameValuePair("param1", "value1"),
93                      new BasicNameValuePair("param2", "value2")
94                  } );
95          final HeaderElement element2 = new BasicHeaderElement("name", "value",
96                  new NameValuePair[] {
97                      new BasicNameValuePair("param2", "value2"),
98                      new BasicNameValuePair("param1", "value1")
99                  } );
100         final HeaderElement element3 = new BasicHeaderElement("name", "value");
101         final HeaderElement element4 = new BasicHeaderElement("name", "value");
102         final HeaderElement element5 = new BasicHeaderElement("name", "value",
103                 new NameValuePair[] {
104                     new BasicNameValuePair("param1", "value1"),
105                     new BasicNameValuePair("param2", "value2")
106                 } );
107         Assert.assertTrue(element1.hashCode() != element2.hashCode());
108         Assert.assertTrue(element1.hashCode() != element3.hashCode());
109         Assert.assertTrue(element2.hashCode() != element3.hashCode());
110         Assert.assertTrue(element3.hashCode() == element4.hashCode());
111         Assert.assertTrue(element1.hashCode() == element5.hashCode());
112     }
113 
114     @Test
115     public void testEquals() {
116         final HeaderElement element1 = new BasicHeaderElement("name", "value",
117                 new NameValuePair[] {
118                     new BasicNameValuePair("param1", "value1"),
119                     new BasicNameValuePair("param2", "value2")
120                 } );
121         final HeaderElement element2 = new BasicHeaderElement("name", "value",
122                 new NameValuePair[] {
123                     new BasicNameValuePair("param2", "value2"),
124                     new BasicNameValuePair("param1", "value1")
125                 } );
126         final HeaderElement element3 = new BasicHeaderElement("name", "value");
127         final HeaderElement element4 = new BasicHeaderElement("name", "value");
128         final HeaderElement element5 = new BasicHeaderElement("name", "value",
129                 new NameValuePair[] {
130                     new BasicNameValuePair("param1", "value1"),
131                     new BasicNameValuePair("param2", "value2")
132                 } );
133         Assert.assertTrue(element1.equals(element1));
134         Assert.assertTrue(!element1.equals(element2));
135         Assert.assertTrue(!element1.equals(element3));
136         Assert.assertTrue(!element2.equals(element3));
137         Assert.assertTrue(element3.equals(element4));
138         Assert.assertTrue(element1.equals(element5));
139         Assert.assertFalse(element1.equals(null));
140         Assert.assertFalse(element1.equals("name = value; param1 = value1; param2 = value2"));
141     }
142 
143     @Test
144     public void testToString() {
145         String s = "name=value; param1=value1; param2=value2";
146         HeaderElement element = BasicHeaderValueParser.parseHeaderElement(s, null);
147         Assert.assertEquals(s, element.toString());
148         s = "name; param1=value1; param2=value2";
149         element = BasicHeaderValueParser.parseHeaderElement(s, null);
150         Assert.assertEquals(s, element.toString());
151     }
152 
153     @Test
154     public void testCloning() throws Exception {
155         final BasicHeaderElement orig = new BasicHeaderElement("name", "value",
156                 new NameValuePair[] {
157                     new BasicNameValuePair("param1", "value1"),
158                     new BasicNameValuePair("param2", "value2")
159                 } );
160         final BasicHeaderElement clone = (BasicHeaderElement) orig.clone();
161         Assert.assertEquals(orig, clone);
162     }
163 
164 }