Lucene.Net.Search.TestBoolean2.BeforeClass C# (CSharp) Method

        public void BeforeClass()
        {
            Directory = NewDirectory();
            RandomIndexWriter writer = new RandomIndexWriter(Random(), Directory, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetMergePolicy(NewLogMergePolicy()));
            for (int i = 0; i < DocFields.Length; i++)
            {
                Document doc = new Document();
                doc.Add(NewTextField(field, DocFields[i], Field.Store.NO));
                writer.AddDocument(doc);
            }
            writer.Dispose();
            LittleReader = DirectoryReader.Open(Directory);
            Searcher = NewSearcher(LittleReader);
            // this is intentionally using the baseline sim, because it compares against bigSearcher (which uses a random one)
            Searcher.Similarity = new DefaultSimilarity();

            // Make big index
            Dir2 = new MockDirectoryWrapper(Random(), new RAMDirectory(Directory, IOContext.DEFAULT));

            // First multiply small test index:
            MulFactor = 1;
            int docCount = 0;
            if (VERBOSE)
            {
                Console.WriteLine("\nTEST: now copy index...");
            }
            do
            {
                if (VERBOSE)
                {
                    Console.WriteLine("\nTEST: cycle...");
                }
                Directory copy = new MockDirectoryWrapper(Random(), new RAMDirectory(Dir2, IOContext.DEFAULT));
                RandomIndexWriter w = new RandomIndexWriter(Random(), Dir2, Similarity, TimeZone);
                w.AddIndexes(copy);
                docCount = w.MaxDoc();
                w.Dispose();
                MulFactor *= 2;
            } while (docCount < 3000);

            RandomIndexWriter riw = new RandomIndexWriter(Random(), Dir2, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetMaxBufferedDocs(TestUtil.NextInt(Random(), 50, 1000)));
            Document doc_ = new Document();
            doc_.Add(NewTextField("field2", "xxx", Field.Store.NO));
            for (int i = 0; i < NUM_EXTRA_DOCS / 2; i++)
            {
                riw.AddDocument(doc_);
            }
            doc_ = new Document();
            doc_.Add(NewTextField("field2", "big bad bug", Field.Store.NO));
            for (int i = 0; i < NUM_EXTRA_DOCS / 2; i++)
            {
                riw.AddDocument(doc_);
            }
            Reader = riw.Reader;
            BigSearcher = NewSearcher(Reader);
            riw.Dispose();
        }