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21 package org.apache.directory.mavibot.btree;
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24 import java.io.IOException;
25 import java.util.ArrayList;
26 import java.util.List;
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28 import org.apache.directory.mavibot.btree.BTree;
29 import org.apache.directory.mavibot.btree.BTreeBuilder;
30 import org.apache.directory.mavibot.btree.Cursor;
31 import org.apache.directory.mavibot.btree.Tuple;
32 import org.apache.directory.mavibot.btree.serializer.IntSerializer;
33 import org.junit.Test;
34 import static org.junit.Assert.*;
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42 public class BTreeBuilderTest
43 {
44 @Test
45 public void testIntegerTree() throws IOException
46 {
47 List<Tuple<Integer, Integer>> sortedTuple = new ArrayList<Tuple<Integer, Integer>>();
48 for ( int i = 1; i < 8; i++ )
49 {
50 Tuple<Integer, Integer> t = new Tuple<Integer, Integer>( i, i );
51 sortedTuple.add( t );
52 }
53
54 IntSerializer ser = new IntSerializer();
55 BTreeBuilder<Integer, Integer> bb = new BTreeBuilder<Integer, Integer>( "master", 4, ser, ser );
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58 BTree btree = bb.build( sortedTuple.iterator() );
59
60 assertEquals( 1, btree.rootPage.getNbElems() );
61
62 assertEquals( 7, btree.rootPage.findRightMost().getKey() );
63
64 assertEquals( 1, btree.rootPage.findLeftMost().getKey() );
65
66 Cursor<Integer, Integer> cursor = btree.browse();
67 int i = 0;
68 while ( cursor.hasNext() )
69 {
70 Tuple<Integer, Integer> expected = sortedTuple.get( i++ );
71 Tuple<Integer, Integer> actual = cursor.next();
72 assertEquals( expected.getKey(), actual.getKey() );
73 assertEquals( expected.getValue(), actual.getValue() );
74 }
75
76 cursor.close();
77 btree.close();
78 }
79
80 }