Lucene.Net.Index.TestCheckIndex.TestDeletedDocs C# (CSharp) Method

        public virtual void TestDeletedDocs()
        {
            Directory dir = NewDirectory();
            IndexWriter writer = new IndexWriter(dir, (IndexWriterConfig)NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetMaxBufferedDocs(2));
            for (int i = 0; i < 19; i++)
            {
                Document doc = new Document();
                FieldType customType = new FieldType(TextField.TYPE_STORED);
                customType.StoreTermVectors = true;
                customType.StoreTermVectorPositions = true;
                customType.StoreTermVectorOffsets = true;
                doc.Add(NewField("field", "aaa" + i, customType));
                writer.AddDocument(doc);
            }
            writer.ForceMerge(1);
            writer.Commit();
            writer.DeleteDocuments(new Term("field", "aaa5"));
            writer.Dispose();

            ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);
            CheckIndex checker = new CheckIndex(dir);
            checker.InfoStream = new StreamWriter(bos, Encoding.UTF8);
            if (VERBOSE)
            {
                checker.InfoStream = Console.Out;
            }
            CheckIndex.Status indexStatus = checker.DoCheckIndex();
            if (indexStatus.Clean == false)
            {
                Console.WriteLine("CheckIndex failed");
                checker.FlushInfoStream();
                Console.WriteLine(bos.ToString());
                Assert.Fail();
            }

            CheckIndex.Status.SegmentInfoStatus seg = indexStatus.SegmentInfos[0];
            Assert.IsTrue(seg.OpenReaderPassed);

            Assert.IsNotNull(seg.Diagnostics);

            Assert.IsNotNull(seg.FieldNormStatus);
            Assert.IsNull(seg.FieldNormStatus.Error);
            Assert.AreEqual(1, seg.FieldNormStatus.TotFields);

            Assert.IsNotNull(seg.TermIndexStatus);
            Assert.IsNull(seg.TermIndexStatus.Error);
            Assert.AreEqual(18, seg.TermIndexStatus.TermCount);
            Assert.AreEqual(18, seg.TermIndexStatus.TotFreq);
            Assert.AreEqual(18, seg.TermIndexStatus.TotPos);

            Assert.IsNotNull(seg.StoredFieldStatus);
            Assert.IsNull(seg.StoredFieldStatus.Error);
            Assert.AreEqual(18, seg.StoredFieldStatus.DocCount);
            Assert.AreEqual(18, seg.StoredFieldStatus.TotFields);

            Assert.IsNotNull(seg.TermVectorStatus);
            Assert.IsNull(seg.TermVectorStatus.Error);
            Assert.AreEqual(18, seg.TermVectorStatus.DocCount);
            Assert.AreEqual(18, seg.TermVectorStatus.TotVectors);

            Assert.IsTrue(seg.Diagnostics.Count > 0);
            IList<string> onlySegments = new List<string>();
            onlySegments.Add("_0");

            Assert.IsTrue(checker.DoCheckIndex(onlySegments).Clean == true);
            dir.Dispose();
        }