Lucene.Net.Index.TestIndexReader.TestGetIndexCommit C# (CSharp) Method

		public virtual void  TestGetIndexCommit()
		{
			RAMDirectory d = new MockRAMDirectory();
			
			// set up writer
			IndexWriter writer = new IndexWriter(d, new StandardAnalyzer(Util.Version.LUCENE_CURRENT), true, IndexWriter.MaxFieldLength.LIMITED);
			writer.SetMaxBufferedDocs(2);
			for (int i = 0; i < 27; i++)
				AddDocumentWithFields(writer);
			writer.Close();
			
			SegmentInfos sis = new SegmentInfos();
			sis.Read(d);
			IndexReader r = IndexReader.Open(d, false);
			IndexCommit c = r.IndexCommit;
			
			Assert.AreEqual(sis.GetCurrentSegmentFileName(), c.SegmentsFileName);
			
			Assert.IsTrue(c.Equals(r.IndexCommit));
			
			// Change the index
			writer = new IndexWriter(d, new StandardAnalyzer(Util.Version.LUCENE_CURRENT), false, IndexWriter.MaxFieldLength.LIMITED);
			writer.SetMaxBufferedDocs(2);
			for (int i = 0; i < 7; i++)
				AddDocumentWithFields(writer);
			writer.Close();
			
			IndexReader r2 = r.Reopen();
			Assert.IsFalse(c.Equals(r2.IndexCommit));
			Assert.IsFalse(r2.IndexCommit.IsOptimized);
			r2.Close();
			
			writer = new IndexWriter(d, new StandardAnalyzer(Util.Version.LUCENE_CURRENT), false, IndexWriter.MaxFieldLength.LIMITED);
			writer.Optimize();
			writer.Close();
			
			r2 = r.Reopen();
			Assert.IsTrue(r2.IndexCommit.IsOptimized);
			
			r.Close();
			r2.Close();
			d.Close();
		}