Lucene.Net.Search.QueryUtils.MakeEmptyIndex C# (CSharp) Method

        private static IndexReader MakeEmptyIndex(Random random, int numDocs)
        {
            Debug.Assert(numDocs > 0);
            Directory d = new MockDirectoryWrapper(random, new RAMDirectory());
            IndexWriter w = new IndexWriter(d, new IndexWriterConfig(LuceneTestCase.TEST_VERSION_CURRENT, new MockAnalyzer(random)));
            for (int i = 0; i < numDocs; i++)
            {
                w.AddDocument(new Document());
            }
            w.ForceMerge(1);
            w.Commit();
            w.Dispose();
            DirectoryReader reader = DirectoryReader.Open(d);
            return new AllDeletedFilterReader(LuceneTestCase.GetOnlySegmentReader(reader));
        }