public virtual void  TestIndexDivisor()
		{
			dir = new MockRAMDirectory();
			testDoc = new Document();
			DocHelper.SetupDoc(testDoc);
			SegmentInfo si = DocHelper.WriteDoc(dir, testDoc);
			
			reader = SegmentReader.Get(si);
			reader.SetTermInfosIndexDivisor(3);
			TestDocument();
			TestDelete();
			TestGetFieldNameVariations();
			TestNorms();
			TestTerms();
			TestTermVectors();
		}