Lucene.Net.Index.TestBinaryDocValuesUpdates.TestUpdateAndDeleteSameDocument C# (CSharp) Method

        public virtual void TestUpdateAndDeleteSameDocument()
        {
            // update and delete same document in same commit session
            Directory dir = NewDirectory();
            IndexWriterConfig conf = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random()));
            conf.SetMaxBufferedDocs(10); // control segment flushing
            IndexWriter writer = new IndexWriter(dir, conf);

            writer.AddDocument(Doc(0));
            writer.AddDocument(Doc(1));

            if (Random().NextBoolean())
            {
                writer.Commit();
            }

            writer.DeleteDocuments(new Term("id", "doc-0"));
            writer.UpdateBinaryDocValue(new Term("id", "doc-0"), "val", ToBytes(17L));

            DirectoryReader reader;
            if (Random().NextBoolean()) // not NRT
            {
                writer.Dispose();
                reader = DirectoryReader.Open(dir);
            } // NRT
            else
            {
                reader = DirectoryReader.Open(writer, true);
                writer.Dispose();
            }

            AtomicReader r = (AtomicReader)reader.Leaves[0].Reader;
            Assert.IsFalse(r.LiveDocs.Get(0));
            Assert.AreEqual(1, GetValue(r.GetBinaryDocValues("val"), 0, new BytesRef())); // deletes are currently applied first

            reader.Dispose();
            dir.Dispose();
        }