Lucene.Net.Index.TestIndexWriterForceMerge.TestBackgroundForceMerge C# (CSharp) Метод

        public virtual void TestBackgroundForceMerge()
        {
            Directory dir = NewDirectory();
            for (int pass = 0; pass < 2; pass++)
            {
                IndexWriter writer = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetOpenMode(OpenMode_e.CREATE).SetMaxBufferedDocs(2).SetMergePolicy(NewLogMergePolicy(51)));
                Document doc = new Document();
                doc.Add(NewStringField("field", "aaa", Field.Store.NO));
                for (int i = 0; i < 100; i++)
                {
                    writer.AddDocument(doc);
                }
                writer.ForceMerge(1, false);

                if (0 == pass)
                {
                    writer.Dispose();
                    DirectoryReader reader = DirectoryReader.Open(dir);
                    Assert.AreEqual(1, reader.Leaves.Count);
                    reader.Dispose();
                }
                else
                {
                    // Get another segment to flush so we can verify it is
                    // NOT included in the merging
                    writer.AddDocument(doc);
                    writer.AddDocument(doc);
                    writer.Dispose();

                    DirectoryReader reader = DirectoryReader.Open(dir);
                    Assert.IsTrue(reader.Leaves.Count > 1);
                    reader.Dispose();

                    SegmentInfos infos = new SegmentInfos();
                    infos.Read(dir);
                    Assert.AreEqual(2, infos.Size());
                }
            }

            dir.Dispose();
        }