src/Lucene.Net.Tests/Support/TestIDisposable.cs

using Lucene.Net.Analysis.Core;
using Lucene.Net.Attributes;
using Lucene.Net.Documents;
using Lucene.Net.Index;
using Lucene.Net.Store;
using Lucene.Net.Util;
using NUnit.Framework;
using System;
using Assert = Lucene.Net.TestFramework.Assert;

#pragma warning disable 612, 618
namespace Lucene.Net.Support
{
    /*
     * 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.
     */

    [SuppressCodecs("Lucene3x")] // Suppress non-writable codecs
    [TestFixture]
    public class TestIDisposable : LuceneTestCase
    {
        [Test, LuceneNetSpecific]
        public void TestReadersWriters()
        {
            BaseDirectory dir;

            using (dir = new RAMDirectory())
            {
                Document doc;
                IndexWriter writer;
                IndexReader reader;
                IndexWriterConfig conf = new IndexWriterConfig(
                    Util.LuceneVersion.LUCENE_CURRENT, 
                    new WhitespaceAnalyzer(Util.LuceneVersion.LUCENE_CURRENT));

                using (writer = new IndexWriter(dir, conf /*new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.UNLIMITED)*/))
                {
                    Field field = new TextField("name", "value", Field.Store.YES /*,Field.Index.ANALYZED*/);
                    doc = new Document();
                    doc.Add(field);
                    writer.AddDocument(doc);
                    writer.Commit();

                    using (reader = writer.GetReader())
                    {
                    }

                    Assert.Throws<ObjectDisposedException>(() => reader.RemoveReaderClosedListener(null), "IndexReader shouldn't be open here");
                }
                
                Assert.Throws<ObjectDisposedException>(() => writer.AddDocument(doc), "IndexWriter shouldn't be open here");

                Assert.IsTrue(dir.IsOpen, "RAMDirectory");
            }
            Assert.IsFalse(dir.IsOpen, "RAMDirectory");
        }
    }
}
#pragma warning restore 612, 618