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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License.
18   *
19   */
20  package org.apache.directory.mavibot.btree.serializer;
21  
22  
23  import static org.junit.Assert.assertEquals;
24  
25  import java.io.IOException;
26  
27  import org.junit.Test;
28  
29  
30  /**
31   * Test the CharSerializer class
32   * 
33   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
34   */
35  public class CharSerializerTest
36  {
37      private static CharSerializer serializer = new CharSerializer();
38  
39  
40      @Test
41      public void testCharSerializer() throws IOException
42      {
43          char value = 0x0000;
44          byte[] result = CharSerializer.serialize( value );
45  
46          assertEquals( ( byte ) 0x00, result[1] );
47          assertEquals( ( byte ) 0x00, result[0] );
48  
49          assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).charValue() );
50  
51          // ------------------------------------------------------------------
52          value = 0x0001;
53          result = CharSerializer.serialize( value );
54  
55          assertEquals( ( byte ) 0x01, result[1] );
56          assertEquals( ( byte ) 0x00, result[0] );
57  
58          assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).charValue() );
59  
60          // ------------------------------------------------------------------
61          value = 0x00FF;
62          result = CharSerializer.serialize( value );
63  
64          assertEquals( ( byte ) 0xFF, result[1] );
65          assertEquals( ( byte ) 0x00, result[0] );
66  
67          assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).charValue() );
68  
69          // ------------------------------------------------------------------
70          value = 0x0100;
71          result = CharSerializer.serialize( value );
72  
73          assertEquals( ( byte ) 0x00, result[1] );
74          assertEquals( ( byte ) 0x01, result[0] );
75  
76          assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).charValue() );
77  
78          // ------------------------------------------------------------------
79          value = 0x7FFF;
80          result = CharSerializer.serialize( value );
81  
82          assertEquals( ( byte ) 0xFF, result[1] );
83          assertEquals( ( byte ) 0x7F, result[0] );
84  
85          assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).charValue() );
86  
87          // ------------------------------------------------------------------
88          value = 0x8000;
89          result = CharSerializer.serialize( value );
90  
91          assertEquals( ( byte ) 0x00, result[1] );
92          assertEquals( ( byte ) 0x80, result[0] );
93  
94          assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).charValue() );
95  
96          // ------------------------------------------------------------------
97          value = 0xFFFF;
98          result = CharSerializer.serialize( value );
99  
100         assertEquals( ( byte ) 0xFF, result[1] );
101         assertEquals( ( byte ) 0xFF, result[0] );
102 
103         assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).charValue() );
104     }
105 }