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

        public virtual void TestUpdatesAreFlushed()
        {
            Directory dir = NewDirectory();
            IndexWriter writer = new IndexWriter(dir, (IndexWriterConfig)NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random(), MockTokenizer.WHITESPACE, false)).SetRAMBufferSizeMB(0.00000001));
            writer.AddDocument(Doc(0)); // val=1
            writer.AddDocument(Doc(1)); // val=2
            writer.AddDocument(Doc(3)); // val=2
            writer.Commit();
            Assert.AreEqual(1, writer.FlushDeletesCount);
            writer.UpdateBinaryDocValue(new Term("id", "doc-0"), "val", ToBytes(5));
            Assert.AreEqual(2, writer.FlushDeletesCount);
            writer.UpdateBinaryDocValue(new Term("id", "doc-1"), "val", ToBytes(6));
            Assert.AreEqual(3, writer.FlushDeletesCount);
            writer.UpdateBinaryDocValue(new Term("id", "doc-2"), "val", ToBytes(7));
            Assert.AreEqual(4, writer.FlushDeletesCount);
            writer.Config.SetRAMBufferSizeMB(1000d);
            writer.UpdateBinaryDocValue(new Term("id", "doc-2"), "val", ToBytes(7));
            Assert.AreEqual(4, writer.FlushDeletesCount);
            writer.Dispose();
            dir.Dispose();
        }