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20 package org.apache.directory.mavibot.btree.comparator;
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23 import static org.junit.Assert.assertEquals;
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25 import org.apache.directory.mavibot.btree.comparator.ByteComparator;
26 import org.junit.Test;
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34 public class ByteComparatorTest
35 {
36 @Test
37 public void testByteComparator()
38 {
39 ByteComparator comparator = new ByteComparator();
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41 assertEquals( 0, comparator.compare( null, null ) );
42 assertEquals( 0, comparator.compare( ( byte ) 0x00, ( byte ) 0x00 ) );
43 assertEquals( 0, comparator.compare( ( byte ) 0xFE, ( byte ) 0xFE ) );
44 assertEquals( 1, comparator.compare( ( byte ) 0x01, null ) );
45 assertEquals( 1, comparator.compare( ( byte ) 0x01, ( byte ) 0x00 ) );
46 assertEquals( 1, comparator.compare( ( byte ) 0x00, ( byte ) 0xFF ) );
47 assertEquals( 1, comparator.compare( ( byte ) 0x7F, ( byte ) 0x01 ) );
48 assertEquals( -1, comparator.compare( null, ( byte ) 0x00 ) );
49 assertEquals( -1, comparator.compare( null, ( byte ) 0xFF ) );
50 assertEquals( -1, comparator.compare( ( byte ) 0x00, ( byte ) 0x01 ) );
51 assertEquals( -1, comparator.compare( ( byte ) 0xF0, ( byte ) 0xFF ) );
52 assertEquals( -1, comparator.compare( ( byte ) 0xFF, ( byte ) 0x01 ) );
53 }
54 }