Lucene.Net.Index.TestNumericDocValuesUpdates.TestUpdateNumericDVFieldWithSameNameAsPostingField C# (CSharp) Method

        public virtual void TestUpdateNumericDVFieldWithSameNameAsPostingField()
        {
            // this used to fail because FieldInfos.Builder neglected to update
            // globalFieldMaps.docValueTypes map
            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("f", "mock-value", Store.NO));
            doc.Add(new NumericDocValuesField("f", 5));
            writer.AddDocument(doc);
            writer.Commit();
            writer.UpdateNumericDocValue(new Term("f", "mock-value"), "f", 17L);
            writer.Dispose();

            DirectoryReader r = DirectoryReader.Open(dir);
            NumericDocValues ndv = ((AtomicReader)r.Leaves[0].Reader).GetNumericDocValues("f");
            Assert.AreEqual(17, ndv.Get(0));
            r.Dispose();

            dir.Dispose();
        }