1 package org.apache.lucene.search;
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20 import java.io.IOException;
22 import org.apache.lucene.util.LuceneTestCase;
23 import org.apache.lucene.analysis.MockAnalyzer;
24 import org.apache.lucene.document.*;
25 import org.apache.lucene.index.IndexReader;
26 import org.apache.lucene.index.IndexWriter;
27 import org.apache.lucene.index.Term;
28 import org.apache.lucene.store.Directory;
30 /** Document boost unit test.
33 * @version $Revision: 1202680 $
35 public class TestSetNorm extends LuceneTestCase {
37 public void testSetNorm() throws Exception {
38 Directory store = newDirectory();
39 IndexWriter writer = new IndexWriter(store, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
41 // add the same document four times
42 Fieldable f1 = newField("field", "word", Field.Store.YES, Field.Index.ANALYZED);
43 Document d1 = new Document();
45 writer.addDocument(d1);
46 writer.addDocument(d1);
47 writer.addDocument(d1);
48 writer.addDocument(d1);
51 // reset the boost of each instance of this document
52 IndexReader reader = IndexReader.open(store, false);
53 reader.setNorm(0, "field", 1.0f);
54 reader.setNorm(1, "field", 2.0f);
55 reader.setNorm(2, "field", 4.0f);
56 reader.setNorm(3, "field", 16.0f);
59 // check that searches are ordered by this boost
60 final float[] scores = new float[4];
62 IndexReader ir = IndexReader.open(store);
63 IndexSearcher is = new IndexSearcher(ir);
65 (new TermQuery(new Term("field", "word")),
68 private Scorer scorer;
70 public void setScorer(Scorer scorer) throws IOException {
74 public final void collect(int doc) throws IOException {
75 scores[doc + base] = scorer.score();
78 public void setNextReader(IndexReader reader, int docBase) {
82 public boolean acceptsDocsOutOfOrder() {
88 float lastScore = 0.0f;
90 for (int i = 0; i < 4; i++) {
91 assertTrue(scores[i] > lastScore);
92 lastScore = scores[i];