| /* |
| * 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. |
| */ |
| |
| using System; |
| using Lucene.Net.Support; |
| using NUnit.Framework; |
| |
| using WhitespaceAnalyzer = Lucene.Net.Analysis.WhitespaceAnalyzer; |
| using Document = Lucene.Net.Documents.Document; |
| using Field = Lucene.Net.Documents.Field; |
| using Index = Lucene.Net.Documents.Field.Index; |
| using Store = Lucene.Net.Documents.Field.Store; |
| using IndexReader = Lucene.Net.Index.IndexReader; |
| using IndexWriter = Lucene.Net.Index.IndexWriter; |
| using MaxFieldLength = Lucene.Net.Index.IndexWriter.MaxFieldLength; |
| using Directory = Lucene.Net.Store.Directory; |
| using RAMDirectory = Lucene.Net.Store.RAMDirectory; |
| using LuceneTestCase = Lucene.Net.Util.LuceneTestCase; |
| using _TestUtil = Lucene.Net.Util._TestUtil; |
| |
| namespace Lucene.Net.Search |
| { |
| |
| [TestFixture] |
| public class TestDocIdSet:LuceneTestCase |
| { |
| private class AnonymousClassDocIdSet_Renamed_Class:DocIdSet |
| { |
| public AnonymousClassDocIdSet_Renamed_Class(int maxdoc, TestDocIdSet enclosingInstance) |
| { |
| InitBlock(maxdoc, enclosingInstance); |
| } |
| private class AnonymousClassDocIdSetIterator:DocIdSetIterator |
| { |
| public AnonymousClassDocIdSetIterator(int maxdoc, AnonymousClassDocIdSet_Renamed_Class enclosingInstance) |
| { |
| InitBlock(maxdoc, enclosingInstance); |
| } |
| private void InitBlock(int maxdoc, AnonymousClassDocIdSet_Renamed_Class enclosingInstance) |
| { |
| this.maxdoc = maxdoc; |
| this.enclosingInstance = enclosingInstance; |
| } |
| private int maxdoc; |
| private AnonymousClassDocIdSet_Renamed_Class enclosingInstance; |
| public AnonymousClassDocIdSet_Renamed_Class Enclosing_Instance |
| { |
| get |
| { |
| return enclosingInstance; |
| } |
| |
| } |
| |
| internal int docid = - 1; |
| |
| public override int DocID() |
| { |
| return docid; |
| } |
| |
| //@Override |
| public override int NextDoc() |
| { |
| docid++; |
| return docid < maxdoc?docid:(docid = NO_MORE_DOCS); |
| } |
| |
| //@Override |
| public override int Advance(int target) |
| { |
| while (NextDoc() < target) |
| { |
| } |
| return docid; |
| } |
| } |
| private void InitBlock(int maxdoc, TestDocIdSet enclosingInstance) |
| { |
| this.maxdoc = maxdoc; |
| this.enclosingInstance = enclosingInstance; |
| } |
| private int maxdoc; |
| private TestDocIdSet enclosingInstance; |
| public TestDocIdSet Enclosing_Instance |
| { |
| get |
| { |
| return enclosingInstance; |
| } |
| |
| } |
| |
| public override DocIdSetIterator Iterator() |
| { |
| return new AnonymousClassDocIdSetIterator(maxdoc, this); |
| } |
| } |
| private class AnonymousClassFilteredDocIdSet:FilteredDocIdSet |
| { |
| private void InitBlock(TestDocIdSet enclosingInstance) |
| { |
| this.enclosingInstance = enclosingInstance; |
| } |
| private TestDocIdSet enclosingInstance; |
| public TestDocIdSet Enclosing_Instance |
| { |
| get |
| { |
| return enclosingInstance; |
| } |
| |
| } |
| internal AnonymousClassFilteredDocIdSet(TestDocIdSet enclosingInstance, Lucene.Net.Search.DocIdSet Param1):base(Param1) |
| { |
| InitBlock(enclosingInstance); |
| } |
| // @Override |
| public /*protected internal*/ override bool Match(int docid) |
| { |
| return docid % 2 == 0; //validate only even docids |
| } |
| } |
| [Serializable] |
| private class AnonymousClassFilter:Filter |
| { |
| public AnonymousClassFilter(TestDocIdSet enclosingInstance) |
| { |
| InitBlock(enclosingInstance); |
| } |
| private void InitBlock(TestDocIdSet enclosingInstance) |
| { |
| this.enclosingInstance = enclosingInstance; |
| } |
| private TestDocIdSet enclosingInstance; |
| public TestDocIdSet Enclosing_Instance |
| { |
| get |
| { |
| return enclosingInstance; |
| } |
| |
| } |
| public override DocIdSet GetDocIdSet(IndexReader reader) |
| { |
| return null; |
| } |
| } |
| [Test] |
| public virtual void TestFilteredDocIdSet() |
| { |
| int maxdoc = 10; |
| DocIdSet innerSet = new AnonymousClassDocIdSet_Renamed_Class(maxdoc, this); |
| |
| |
| DocIdSet filteredSet = new AnonymousClassFilteredDocIdSet(this, innerSet); |
| |
| DocIdSetIterator iter = filteredSet.Iterator(); |
| System.Collections.ArrayList list = new System.Collections.ArrayList(); |
| int doc = iter.Advance(3); |
| if (doc != DocIdSetIterator.NO_MORE_DOCS) |
| { |
| list.Add((System.Int32) doc); |
| while ((doc = iter.NextDoc()) != DocIdSetIterator.NO_MORE_DOCS) |
| { |
| list.Add((System.Int32) doc); |
| } |
| } |
| |
| int[] docs = new int[list.Count]; |
| int c = 0; |
| System.Collections.IEnumerator intIter = list.GetEnumerator(); |
| while (intIter.MoveNext()) |
| { |
| docs[c++] = ((System.Int32) intIter.Current); |
| } |
| int[] answer = new int[]{4, 6, 8}; |
| bool same = CollectionsHelper.Equals(answer, docs); |
| if (!same) |
| { |
| System.Console.Out.WriteLine("answer: " + _TestUtil.ArrayToString(answer)); |
| System.Console.Out.WriteLine("gotten: " + _TestUtil.ArrayToString(docs)); |
| Assert.Fail(); |
| } |
| } |
| |
| [Test] |
| public virtual void TestNullDocIdSet() |
| { |
| // Tests that if a Filter produces a null DocIdSet, which is given to |
| // IndexSearcher, everything works fine. This came up in LUCENE-1754. |
| Directory dir = new RAMDirectory(); |
| IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), MaxFieldLength.UNLIMITED); |
| Document doc = new Document(); |
| doc.Add(new Field("c", "val", Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS)); |
| writer.AddDocument(doc); |
| writer.Close(); |
| |
| // First verify the document is searchable. |
| IndexSearcher searcher = new IndexSearcher(dir, true); |
| Assert.AreEqual(1, searcher.Search(new MatchAllDocsQuery(), 10).TotalHits); |
| |
| // Now search w/ a Filter which returns a null DocIdSet |
| Filter f = new AnonymousClassFilter(this); |
| |
| Assert.AreEqual(0, searcher.Search(new MatchAllDocsQuery(), f, 10).TotalHits); |
| searcher.Close(); |
| } |
| } |
| } |