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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 CharArrayComparatorTest
34 {
35 @Test
36 public void testCharArrayComparator()
37 {
38 CharArrayComparator comparator = new CharArrayComparator();
39
40
41 assertEquals( 0, comparator.compare( null, null ) );
42 assertEquals( 0, comparator.compare( new char[]
43 {}, new char[]
44 {} ) );
45 assertEquals( 0, comparator.compare( new char[]
46 { 'a', 'b' }, new char[]
47 { 'a', 'b' } ) );
48
49
50 assertEquals( 1, comparator.compare( new char[]
51 {}, null ) );
52 assertEquals( 1, comparator.compare( new char[]
53 { 'a' }, null ) );
54 assertEquals( 1, comparator.compare( new char[]
55 { 'a', 'b' }, new char[]
56 { 'a', 'a' } ) );
57 assertEquals( 1, comparator.compare( new char[]
58 { 'a', 'b', 'a' }, new char[]
59 { 'a', 'b' } ) );
60 assertEquals( 1, comparator.compare( new char[]
61 { 'a', 'b' }, new char[]
62 { 'a', 'a', 'b' } ) );
63
64
65 assertEquals( -1, comparator.compare( null, new char[]
66 {} ) );
67 assertEquals( -1, comparator.compare( null, new char[]
68 { 'a', 'b' } ) );
69 assertEquals( -1, comparator.compare( null, new char[]
70 { '\uffff', 'b' } ) );
71 assertEquals( -1, comparator.compare( new char[]
72 {}, new char[]
73 { 'a', 'b' } ) );
74 assertEquals( -1, comparator.compare( new char[]
75 {}, new char[]
76 { '\uffff', 'b' } ) );
77 assertEquals( -1, comparator.compare( new char[]
78 { '0', 'a' }, new char[]
79 { 'a', 'a', 'b' } ) );
80 char[] array = new char[3];
81 array[0] = 'a';
82 array[1] = 'b';
83 assertEquals( -1, comparator.compare( new char[]
84 { 'a', 'b' }, array ) );
85 }
86 }