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20 package org.apache.directory.mavibot.btree.comparator;
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23 import static org.junit.Assert.assertEquals;
24
25 import org.junit.Test;
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33 public class ByteArrayComparatorTest
34 {
35 @Test
36 public void testByteArrayComparator()
37 {
38 ByteArrayComparator comparator = new ByteArrayComparator();
39
40
41 assertEquals( 0, comparator.compare( null, null ) );
42 assertEquals( 0, comparator.compare( new byte[]
43 {}, new byte[]
44 {} ) );
45 assertEquals( 0, comparator.compare( new byte[]
46 { 0x01, 0x02 }, new byte[]
47 { 0x01, 0x02 } ) );
48
49
50 assertEquals( 1, comparator.compare( new byte[]
51 {}, null ) );
52 assertEquals( 1, comparator.compare( new byte[]
53 { 0x01 }, null ) );
54 assertEquals( 1, comparator.compare( new byte[]
55 { 0x01, 0x02 }, new byte[]
56 { 0x01, 0x01 } ) );
57 assertEquals( 1, comparator.compare( new byte[]
58 { 0x01, 0x02, 0x01 }, new byte[]
59 { 0x01, 0x02 } ) );
60 assertEquals( 1, comparator.compare( new byte[]
61 { 0x01, 0x02 }, new byte[]
62 { 0x01, 0x01, 0x02 } ) );
63
64
65 assertEquals( -1, comparator.compare( null, new byte[]
66 {} ) );
67 assertEquals( -1, comparator.compare( null, new byte[]
68 { 0x01, 0x02 } ) );
69 assertEquals( -1, comparator.compare( null, new byte[]
70 { ( byte ) 0xFF, 0x02 } ) );
71 assertEquals( -1, comparator.compare( new byte[]
72 {}, new byte[]
73 { 0x01, 0x02 } ) );
74 assertEquals( -1, comparator.compare( new byte[]
75 {}, new byte[]
76 { ( byte ) 0xFF, 0x02 } ) );
77 assertEquals( -1, comparator.compare( new byte[]
78 { ( byte ) 0xFF, 0x01 }, new byte[]
79 { 0x01, 0x01, 0x02 } ) );
80 byte[] array = new byte[3];
81 array[0] = 0x01;
82 array[1] = 0x02;
83 assertEquals( -1, comparator.compare( new byte[]
84 { 0x01, 0x02 }, array ) );
85
86 }
87 }