| /* |
| * 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. |
| */ |
| package org.apache.lucene.index; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.search.DocIdSetIterator; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.BytesRef; |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.apache.lucene.util.TestUtil; |
| |
| public class TestStressAdvance extends LuceneTestCase { |
| |
| public void testStressAdvance() throws Exception { |
| int numIters = TEST_NIGHTLY ? 3 : 1; |
| for(int iter=0;iter<numIters;iter++) { |
| if (VERBOSE) { |
| System.out.println("\nTEST: iter=" + iter); |
| } |
| Directory dir = newDirectory(); |
| RandomIndexWriter w = new RandomIndexWriter(random(), dir); |
| final Set<Integer> aDocs = new HashSet<>(); |
| final Document doc = new Document(); |
| final Field f = newStringField("field", "", Field.Store.NO); |
| doc.add(f); |
| final Field idField = newStringField("id", "", Field.Store.YES); |
| doc.add(idField); |
| int num = atLeast(4097); |
| if (VERBOSE) { |
| System.out.println("\nTEST: numDocs=" + num); |
| } |
| for(int id=0;id<num;id++) { |
| if (random().nextInt(4) == 3) { |
| f.setStringValue("a"); |
| aDocs.add(id); |
| } else { |
| f.setStringValue("b"); |
| } |
| idField.setStringValue(""+id); |
| w.addDocument(doc); |
| if (VERBOSE) { |
| System.out.println("\nTEST: doc upto " + id); |
| } |
| } |
| |
| w.forceMerge(1); |
| |
| final List<Integer> aDocIDs = new ArrayList<>(); |
| final List<Integer> bDocIDs = new ArrayList<>(); |
| |
| final DirectoryReader r = w.getReader(); |
| final int[] idToDocID = new int[r.maxDoc()]; |
| for(int docID=0;docID<idToDocID.length;docID++) { |
| int id = Integer.parseInt(r.document(docID).get("id")); |
| if (aDocs.contains(id)) { |
| aDocIDs.add(docID); |
| } else { |
| bDocIDs.add(docID); |
| } |
| } |
| final TermsEnum te = getOnlyLeafReader(r).terms("field").iterator(); |
| |
| PostingsEnum de = null; |
| for(int iter2=0;iter2<10;iter2++) { |
| if (VERBOSE) { |
| System.out.println("\nTEST: iter=" + iter + " iter2=" + iter2); |
| } |
| assertEquals(TermsEnum.SeekStatus.FOUND, te.seekCeil(new BytesRef("a"))); |
| de = TestUtil.docs(random(), te, de, PostingsEnum.NONE); |
| testOne(de, aDocIDs); |
| |
| assertEquals(TermsEnum.SeekStatus.FOUND, te.seekCeil(new BytesRef("b"))); |
| de = TestUtil.docs(random(), te, de, PostingsEnum.NONE); |
| testOne(de, bDocIDs); |
| } |
| |
| w.close(); |
| r.close(); |
| dir.close(); |
| } |
| } |
| |
| private void testOne(PostingsEnum 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=" + DocIdSetIterator.NO_MORE_DOCS + " actual=" + docID); |
| } |
| assertEquals(DocIdSetIterator.NO_MORE_DOCS, docID); |
| } else { |
| if (VERBOSE) { |
| System.out.println(" expect docID=" + expected.get(upto) + " actual=" + docID); |
| } |
| assertTrue(docID != DocIdSetIterator.NO_MORE_DOCS); |
| assertEquals(expected.get(upto).intValue(), docID); |
| } |
| } |
| } |
| } |