Lucene.Net.Index.IndexReader.TermPositions C# (CSharp) Method

		public abstract TermPositions TermPositions();
		

        public virtual void  TestSimpleSkip()
        {
            RAMDirectory dir    = new RAMDirectory();
            IndexWriter  writer = new IndexWriter(dir, new PayloadAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
            Term         term   = new Term("test", "a");

            for (int i = 0; i < 5000; i++)
            {
                Document d1 = new Document();
                d1.Add(new Field(term.Field(), term.Text(), Field.Store.NO, Field.Index.ANALYZED));
                writer.AddDocument(d1);
            }
            writer.Flush();
            writer.Optimize();
            writer.Close();

            IndexReader          reader = SegmentReader.GetOnlySegmentReader(dir);
            SegmentTermPositions tp     = (SegmentTermPositions)reader.TermPositions();

            tp.freqStream_ForNUnit = new CountingStream(this, tp.freqStream_ForNUnit);

            for (int i = 0; i < 2; i++)
            {
                counter = 0;
                tp.Seek(term);

                CheckSkipTo(tp, 14, 185);                 // no skips
                CheckSkipTo(tp, 17, 190);                 // one skip on level 0
                CheckSkipTo(tp, 287, 200);                // one skip on level 1, two on level 0

                // this test would fail if we had only one skip level,
                // because than more bytes would be read from the freqStream
                CheckSkipTo(tp, 4800, 250);                 // one skip on level 2
            }
        }