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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;
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34
35 public class IntSerializerTest
36 {
37 private static IntSerializer serializer = IntSerializer.INSTANCE;
38
39
40 @Test
41 public void testIntSerializer() throws IOException
42 {
43 int value = 0x00000000;
44 byte[] result = IntSerializer.serialize( value );
45
46 assertEquals( ( byte ) 0x00, result[3] );
47 assertEquals( ( byte ) 0x00, result[2] );
48 assertEquals( ( byte ) 0x00, result[1] );
49 assertEquals( ( byte ) 0x00, result[0] );
50
51 assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).intValue() );
52
53
54 value = 0x00000001;
55 result = IntSerializer.serialize( value );
56
57 assertEquals( ( byte ) 0x01, result[3] );
58 assertEquals( ( byte ) 0x00, result[2] );
59 assertEquals( ( byte ) 0x00, result[1] );
60 assertEquals( ( byte ) 0x00, result[0] );
61
62 assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).intValue() );
63
64
65 value = 0x000000FF;
66 result = IntSerializer.serialize( value );
67
68 assertEquals( ( byte ) 0xFF, result[3] );
69 assertEquals( ( byte ) 0x00, result[2] );
70 assertEquals( ( byte ) 0x00, result[1] );
71 assertEquals( ( byte ) 0x00, result[0] );
72
73 assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).intValue() );
74
75
76 value = 0x00000100;
77 result = IntSerializer.serialize( value );
78
79 assertEquals( ( byte ) 0x00, result[3] );
80 assertEquals( ( byte ) 0x01, result[2] );
81 assertEquals( ( byte ) 0x00, result[1] );
82 assertEquals( ( byte ) 0x00, result[0] );
83
84 assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).intValue() );
85
86
87 value = 0x0000FFFF;
88 result = IntSerializer.serialize( value );
89
90 assertEquals( ( byte ) 0xFF, result[3] );
91 assertEquals( ( byte ) 0xFF, result[2] );
92 assertEquals( ( byte ) 0x00, result[1] );
93 assertEquals( ( byte ) 0x00, result[0] );
94
95 assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).intValue() );
96
97
98 value = 0x00010000;
99 result = IntSerializer.serialize( value );
100
101 assertEquals( ( byte ) 0x00, result[3] );
102 assertEquals( ( byte ) 0x00, result[2] );
103 assertEquals( ( byte ) 0x01, result[1] );
104 assertEquals( ( byte ) 0x00, result[0] );
105
106 assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).intValue() );
107
108
109 value = 0x00FFFFFF;
110 result = IntSerializer.serialize( value );
111
112 assertEquals( ( byte ) 0xFF, result[3] );
113 assertEquals( ( byte ) 0xFF, result[2] );
114 assertEquals( ( byte ) 0xFF, result[1] );
115 assertEquals( ( byte ) 0x00, result[0] );
116
117 assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).intValue() );
118
119
120 value = 0x01000000;
121 result = IntSerializer.serialize( value );
122
123 assertEquals( ( byte ) 0x00, result[3] );
124 assertEquals( ( byte ) 0x00, result[2] );
125 assertEquals( ( byte ) 0x00, result[1] );
126 assertEquals( ( byte ) 0x01, result[0] );
127
128 assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).intValue() );
129
130
131 value = 0x7FFFFFFF;
132 result = IntSerializer.serialize( value );
133
134 assertEquals( ( byte ) 0x00FF, result[3] );
135 assertEquals( ( byte ) 0x00FF, result[2] );
136 assertEquals( ( byte ) 0x00FF, result[1] );
137 assertEquals( ( byte ) 0x7F, result[0] );
138
139 assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).intValue() );
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142 value = 0x80000000;
143 result = IntSerializer.serialize( value );
144
145 assertEquals( ( byte ) 0x00, result[3] );
146 assertEquals( ( byte ) 0x00, result[2] );
147 assertEquals( ( byte ) 0x00, result[1] );
148 assertEquals( ( byte ) 0x80, result[0] );
149
150 assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).intValue() );
151
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153 value = 0xFFFFFFFF;
154 result = IntSerializer.serialize( value );
155
156 assertEquals( ( byte ) 0xFF, result[3] );
157 assertEquals( ( byte ) 0xFF, result[2] );
158 assertEquals( ( byte ) 0xFF, result[1] );
159 assertEquals( ( byte ) 0xFF, result[0] );
160
161 assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).intValue() );
162 }
163 }