public virtual void TestNRTAndCommit() { Directory dir = NewDirectory(); NRTCachingDirectory cachedDir = new NRTCachingDirectory(dir, 2.0, 25.0); MockAnalyzer analyzer = new MockAnalyzer(Random); analyzer.MaxTokenLength = TestUtil.NextInt32(Random, 1, IndexWriter.MAX_TERM_LENGTH); IndexWriterConfig conf = NewIndexWriterConfig(TEST_VERSION_CURRENT, analyzer); RandomIndexWriter w = new RandomIndexWriter(Random, cachedDir, conf); LineFileDocs docs = new LineFileDocs(Random, DefaultCodecSupportsDocValues); int numDocs = TestUtil.NextInt32(Random, 100, 400); if (Verbose) { Console.WriteLine("TEST: numDocs=" + numDocs); } IList <BytesRef> ids = new List <BytesRef>(); DirectoryReader r = null; for (int docCount = 0; docCount < numDocs; docCount++) { Document doc = docs.NextDoc(); ids.Add(new BytesRef(doc.Get("docid"))); w.AddDocument(doc); if (Random.Next(20) == 17) { if (r == null) { r = DirectoryReader.Open(w.IndexWriter, false); } else { DirectoryReader r2 = DirectoryReader.OpenIfChanged(r); if (r2 != null) { r.Dispose(); r = r2; } } Assert.AreEqual(1 + docCount, r.NumDocs); IndexSearcher s = NewSearcher(r); // Just make sure search can run; we can't assert // totHits since it could be 0 TopDocs hits = s.Search(new TermQuery(new Term("body", "the")), 10); // System.out.println("tot hits " + hits.totalHits); } } if (r != null) { r.Dispose(); } // Close should force cache to clear since all files are sync'd w.Dispose(); string[] cachedFiles = cachedDir.ListCachedFiles(); foreach (string file in cachedFiles) { Console.WriteLine("FAIL: cached file " + file + " remains after sync"); } Assert.AreEqual(0, cachedFiles.Length); r = DirectoryReader.Open(dir); foreach (BytesRef id in ids) { Assert.AreEqual(1, r.DocFreq(new Term("docid", id))); } r.Dispose(); cachedDir.Dispose(); docs.Dispose(); }