Lucene.Net.Index.TestIndexWriterReader.TestNoTermsIndex C# (CSharp) Метод

        public virtual void TestNoTermsIndex()
        {
            // Some Codecs don't honor the ReaderTermsIndexDivisor, so skip the test if
            // they're picked.
            AssumeFalse("PreFlex codec does not support ReaderTermsIndexDivisor!", "Lucene3x".Equals(Codec.Default.Name));

            IndexWriterConfig conf = (IndexWriterConfig)NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetReaderTermsIndexDivisor(-1);

            // Don't proceed if picked Codec is in the list of illegal ones.
            string format = TestUtil.GetPostingsFormat("f");
            AssumeFalse("Format: " + format + " does not support ReaderTermsIndexDivisor!", (format.Equals("FSTPulsing41") || format.Equals("FSTOrdPulsing41") || format.Equals("FST41") || format.Equals("FSTOrd41") || format.Equals("SimpleText") || format.Equals("Memory") || format.Equals("MockRandom") || format.Equals("Direct")));

            Directory dir = NewDirectory();
            IndexWriter w = new IndexWriter(dir, conf);
            Document doc = new Document();
            doc.Add(new TextField("f", "val", Field.Store.NO));
            w.AddDocument(doc);
            SegmentReader r = GetOnlySegmentReader(DirectoryReader.Open(w, true));
            try
            {
                TestUtil.Docs(Random(), r, "f", new BytesRef("val"), null, null, DocsEnum.FLAG_NONE);
                Assert.Fail("should have failed to seek since terms index was not loaded.");
            }
            catch (InvalidOperationException e)
            {
                // expected - we didn't load the term index
            }
            finally
            {
                r.Dispose();
                w.Dispose();
                dir.Dispose();
            }
        }