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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.StringComparator;
26 import org.junit.Test;
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34 public class StringComparatorTest
35 {
36 @Test
37 public void testStringComparator()
38 {
39 StringComparator comparator = new StringComparator();
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41 assertEquals( 0, comparator.compare( null, null ) );
42 assertEquals( 0, comparator.compare( "", "" ) );
43 assertEquals( 0, comparator.compare( "abc", "abc" ) );
44 assertEquals( 1, comparator.compare( "", null ) );
45 assertEquals( 1, comparator.compare( "abc", "" ) );
46 assertEquals( 1, comparator.compare( "ac", "ab" ) );
47 assertEquals( 1, comparator.compare( "abc", "ab" ) );
48 assertEquals( -1, comparator.compare( null, "" ) );
49 assertEquals( -1, comparator.compare( "ab", "abc" ) );
50 assertEquals( -1, comparator.compare( "ab", "abc" ) );
51 }
52 }