| package org.apache.lucene.index; |
| |
| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.lucene.util.*; |
| import org.apache.lucene.store.*; |
| import org.apache.lucene.document2.*; |
| |
| public class TestStressAdvance extends LuceneTestCase { |
| |
| public void testStressAdvance() throws Exception { |
| for(int iter=0;iter<3;iter++) { |
| if (VERBOSE) { |
| System.out.println("\nTEST: iter=" + iter); |
| } |
| Directory dir = newDirectory(); |
| RandomIndexWriter w = new RandomIndexWriter(random, dir); |
| final Set<Integer> aDocs = new HashSet<Integer>(); |
| final Document doc = new Document(); |
| FieldType customType = new FieldType(StringField.TYPE_UNSTORED); |
| customType.setStored(true); |
| final Field f = newField("field", "", StringField.TYPE_UNSTORED); |
| doc.add(f); |
| final Field idField = newField("id", "", customType); |
| doc.add(idField); |
| int num = atLeast(5000); |
| for(int id=0;id<num;id++) { |
| if (random.nextInt(4) == 3) { |
| f.setValue("a"); |
| aDocs.add(id); |
| } else { |
| f.setValue("b"); |
| } |
| idField.setValue(""+id); |
| w.addDocument(doc); |
| } |
| |
| w.optimize(); |
| |
| final List<Integer> aDocIDs = new ArrayList<Integer>(); |
| final List<Integer> bDocIDs = new ArrayList<Integer>(); |
| |
| final IndexReader r = w.getReader(); |
| final int[] idToDocID = new int[r.maxDoc()]; |
| for(int docID=0;docID<idToDocID.length;docID++) { |
| int id = Integer.parseInt(r.document2(docID).get("id")); |
| if (aDocs.contains(id)) { |
| aDocIDs.add(docID); |
| } else { |
| bDocIDs.add(docID); |
| } |
| } |
| final TermsEnum te = r.getSequentialSubReaders()[0].fields().terms("field").iterator(); |
| |
| DocsEnum de = null; |
| for(int iter2=0;iter2<10;iter2++) { |
| if (VERBOSE) { |
| System.out.println("\nTEST: iter=" + iter + " iter2=" + iter2); |
| } |
| assertEquals(TermsEnum.SeekStatus.FOUND, te.seek(new BytesRef("a"))); |
| de = te.docs(null, de); |
| testOne(de, aDocIDs); |
| |
| assertEquals(TermsEnum.SeekStatus.FOUND, te.seek(new BytesRef("b"))); |
| de = te.docs(null, de); |
| testOne(de, bDocIDs); |
| } |
| |
| w.close(); |
| r.close(); |
| dir.close(); |
| } |
| } |
| |
| private void testOne(DocsEnum docs, List<Integer> expected) throws Exception { |
| if (VERBOSE) { |
| System.out.println("test"); |
| } |
| int upto = -1; |
| while(upto < expected.size()) { |
| if (VERBOSE) { |
| System.out.println(" cycle upto=" + upto + " of " + expected.size()); |
| } |
| final int docID; |
| if (random.nextInt(4) == 1 || upto == expected.size()-1) { |
| // test nextDoc() |
| if (VERBOSE) { |
| System.out.println(" do nextDoc"); |
| } |
| upto++; |
| docID = docs.nextDoc(); |
| } else { |
| // test advance() |
| final int inc = _TestUtil.nextInt(random, 1, expected.size()-1-upto); |
| if (VERBOSE) { |
| System.out.println(" do advance inc=" + inc); |
| } |
| upto += inc; |
| docID = docs.advance(expected.get(upto)); |
| } |
| if (upto == expected.size()) { |
| if (VERBOSE) { |
| System.out.println(" expect docID=" + DocsEnum.NO_MORE_DOCS + " actual=" + docID); |
| } |
| assertEquals(DocsEnum.NO_MORE_DOCS, docID); |
| } else { |
| if (VERBOSE) { |
| System.out.println(" expect docID=" + expected.get(upto) + " actual=" + docID); |
| } |
| assertTrue(docID != DocsEnum.NO_MORE_DOCS); |
| assertEquals(expected.get(upto).intValue(), docID); |
| } |
| } |
| } |
| } |