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

        public virtual void TestUpdateAllDeletedSegment()
        {
            Directory dir = NewDirectory();
            IndexWriterConfig conf = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random()));
            IndexWriter writer = new IndexWriter(dir, conf);

            Document doc = new Document();
            doc.Add(new StringField("id", "doc", Store.NO));
            doc.Add(new BinaryDocValuesField("f1", ToBytes(1L)));
            writer.AddDocument(doc);
            writer.AddDocument(doc);
            writer.Commit();
            writer.DeleteDocuments(new Term("id", "doc")); // delete all docs in the first segment
            writer.AddDocument(doc);
            writer.UpdateBinaryDocValue(new Term("id", "doc"), "f1", ToBytes(2L));
            writer.Dispose();

            DirectoryReader reader = DirectoryReader.Open(dir);
            Assert.AreEqual(1, reader.Leaves.Count);
            Assert.AreEqual(2L, GetValue(((AtomicReader)reader.Leaves[0].Reader).GetBinaryDocValues("f1"), 0, new BytesRef()));
            reader.Dispose();

            dir.Dispose();
        }