| using J2N.Threading.Atomic; |
| using NUnit.Framework; |
| using System; |
| using System.Collections.Generic; |
| using Assert = Lucene.Net.TestFramework.Assert; |
| |
| namespace Lucene.Net.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. |
| */ |
| |
| using Directory = Lucene.Net.Store.Directory; |
| using LuceneTestCase = Lucene.Net.Util.LuceneTestCase; |
| using MockAnalyzer = Lucene.Net.Analysis.MockAnalyzer; |
| |
| [TestFixture] |
| public class TestIndexReaderClose : LuceneTestCase |
| { |
| [Test] |
| public virtual void TestCloseUnderException() |
| { |
| int iters = 1000 + 1 + Random.nextInt(20); |
| for (int j = 0; j < iters; j++) |
| { |
| Directory dir = NewDirectory(); |
| IndexWriter writer = new IndexWriter(dir, |
| NewIndexWriterConfig(Random, TEST_VERSION_CURRENT, new MockAnalyzer(Random))); |
| writer.Commit(); |
| writer.Dispose(); |
| DirectoryReader open = DirectoryReader.Open(dir); |
| bool throwOnClose = !Rarely(); |
| AtomicReader wrap = SlowCompositeReaderWrapper.Wrap(open); |
| FilterAtomicReader reader = new FilterAtomicReaderAnonymousClass(this, wrap, throwOnClose); |
| IList<IndexReader.IReaderClosedListener> listeners = new List<IndexReader.IReaderClosedListener>(); |
| int listenerCount = Random.Next(20); |
| AtomicInt32 count = new AtomicInt32(); |
| bool faultySet = false; |
| for (int i = 0; i < listenerCount; i++) |
| { |
| if (Rarely()) |
| { |
| faultySet = true; |
| reader.AddReaderClosedListener(new FaultyListener()); |
| } |
| else |
| { |
| count.IncrementAndGet(); |
| reader.AddReaderClosedListener(new CountListener(count)); |
| } |
| } |
| if (!faultySet && !throwOnClose) |
| { |
| reader.AddReaderClosedListener(new FaultyListener()); |
| } |
| try |
| { |
| reader.Dispose(); |
| Assert.Fail("expected Exception"); |
| } |
| catch (InvalidOperationException ex) |
| { |
| if (throwOnClose) |
| { |
| Assert.AreEqual("BOOM!", ex.Message); |
| } |
| else |
| { |
| Assert.AreEqual("GRRRRRRRRRRRR!", ex.Message); |
| } |
| } |
| |
| try |
| { |
| var aaa = reader.Fields; |
| Assert.Fail("we are closed"); |
| } |
| #pragma warning disable 168 |
| catch (ObjectDisposedException ex) |
| #pragma warning restore 168 |
| { |
| } |
| |
| if (Random.NextBoolean()) |
| { |
| reader.Dispose(); // call it again |
| } |
| Assert.AreEqual(0, count); |
| wrap.Dispose(); |
| dir.Dispose(); |
| } |
| } |
| |
| private class FilterAtomicReaderAnonymousClass : FilterAtomicReader |
| { |
| private readonly TestIndexReaderClose outerInstance; |
| |
| private bool throwOnClose; |
| |
| public FilterAtomicReaderAnonymousClass(TestIndexReaderClose outerInstance, AtomicReader wrap, bool throwOnClose) |
| : base(wrap) |
| { |
| this.outerInstance = outerInstance; |
| this.throwOnClose = throwOnClose; |
| } |
| |
| protected internal override void DoClose() |
| { |
| base.DoClose(); |
| if (throwOnClose) |
| { |
| throw new InvalidOperationException("BOOM!"); |
| } |
| } |
| } |
| |
| private sealed class CountListener : IndexReader.IReaderClosedListener |
| { |
| internal readonly AtomicInt32 count; |
| |
| public CountListener(AtomicInt32 count) |
| { |
| this.count = count; |
| } |
| |
| public void OnClose(IndexReader reader) |
| { |
| count.DecrementAndGet(); |
| } |
| } |
| |
| private sealed class FaultyListener : IndexReader.IReaderClosedListener |
| { |
| public void OnClose(IndexReader reader) |
| { |
| throw new InvalidOperationException("GRRRRRRRRRRRR!"); |
| } |
| } |
| } |
| } |