| using NUnit.Framework; |
| using Assert = Lucene.Net.TestFramework.Assert; |
| |
| namespace Lucene.Net.Search |
| { |
| /* |
| * 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 AtomicReaderContext = Lucene.Net.Index.AtomicReaderContext; |
| using Directory = Lucene.Net.Store.Directory; |
| using Document = Documents.Document; |
| using IndexReader = Lucene.Net.Index.IndexReader; |
| using LuceneTestCase = Lucene.Net.Util.LuceneTestCase; |
| using RandomIndexWriter = Lucene.Net.Index.RandomIndexWriter; |
| |
| [TestFixture] |
| public class TestEarlyTermination : LuceneTestCase |
| { |
| private Directory dir; |
| private RandomIndexWriter writer; |
| |
| [SetUp] |
| public override void SetUp() |
| { |
| base.SetUp(); |
| dir = NewDirectory(); |
| writer = new RandomIndexWriter( |
| #if FEATURE_INSTANCE_TESTDATA_INITIALIZATION |
| this, |
| #endif |
| Random, dir); |
| int numDocs = AtLeast(100); |
| for (int i = 0; i < numDocs; i++) |
| { |
| writer.AddDocument(new Document()); |
| if (Rarely()) |
| { |
| writer.Commit(); |
| } |
| } |
| } |
| |
| [TearDown] |
| public override void TearDown() |
| { |
| base.TearDown(); |
| writer.Dispose(); |
| dir.Dispose(); |
| } |
| |
| [Test] |
| public virtual void TestEarlyTermination_Mem() |
| { |
| int iters = AtLeast(5); |
| IndexReader reader = writer.GetReader(); |
| |
| for (int i = 0; i < iters; ++i) |
| { |
| IndexSearcher searcher = NewSearcher(reader); |
| ICollector collector = new CollectorAnonymousClass(this); |
| |
| searcher.Search(new MatchAllDocsQuery(), collector); |
| } |
| reader.Dispose(); |
| } |
| |
| private class CollectorAnonymousClass : ICollector |
| { |
| private readonly TestEarlyTermination outerInstance; |
| |
| public CollectorAnonymousClass(TestEarlyTermination outerInstance) |
| { |
| this.outerInstance = outerInstance; |
| outOfOrder = Random.NextBoolean(); |
| collectionTerminated = true; |
| } |
| |
| internal readonly bool outOfOrder; |
| internal bool collectionTerminated; |
| |
| public virtual void SetScorer(Scorer scorer) |
| { |
| } |
| |
| public virtual void Collect(int doc) |
| { |
| Assert.IsFalse(collectionTerminated); |
| if (Rarely()) |
| { |
| collectionTerminated = true; |
| throw new CollectionTerminatedException(); |
| } |
| } |
| |
| public virtual void SetNextReader(AtomicReaderContext context) |
| { |
| if (Random.NextBoolean()) |
| { |
| collectionTerminated = true; |
| throw new CollectionTerminatedException(); |
| } |
| else |
| { |
| collectionTerminated = false; |
| } |
| } |
| |
| public virtual bool AcceptsDocsOutOfOrder => outOfOrder; |
| } |
| } |
| } |