Lucene.Net.Search.TestNumericRangeQuery64.BeforeClass C# (CSharp) Method

        public void BeforeClass()
        {
            NoDocs = AtLeast(4096);
            Distance = (1L << 60) / NoDocs;
            Directory = NewDirectory();
            RandomIndexWriter writer = new RandomIndexWriter(Random(), Directory, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetMaxBufferedDocs(TestUtil.NextInt(Random(), 100, 1000)).SetMergePolicy(NewLogMergePolicy()));

            FieldType storedLong = new FieldType(LongField.TYPE_NOT_STORED);
            storedLong.Stored = true;
            storedLong.Freeze();

            FieldType storedLong8 = new FieldType(storedLong);
            storedLong8.NumericPrecisionStep = 8;

            FieldType storedLong4 = new FieldType(storedLong);
            storedLong4.NumericPrecisionStep = 4;

            FieldType storedLong6 = new FieldType(storedLong);
            storedLong6.NumericPrecisionStep = 6;

            FieldType storedLong2 = new FieldType(storedLong);
            storedLong2.NumericPrecisionStep = 2;

            FieldType storedLongNone = new FieldType(storedLong);
            storedLongNone.NumericPrecisionStep = int.MaxValue;

            FieldType unstoredLong = LongField.TYPE_NOT_STORED;

            FieldType unstoredLong8 = new FieldType(unstoredLong);
            unstoredLong8.NumericPrecisionStep = 8;

            FieldType unstoredLong6 = new FieldType(unstoredLong);
            unstoredLong6.NumericPrecisionStep = 6;

            FieldType unstoredLong4 = new FieldType(unstoredLong);
            unstoredLong4.NumericPrecisionStep = 4;

            FieldType unstoredLong2 = new FieldType(unstoredLong);
            unstoredLong2.NumericPrecisionStep = 2;

            LongField field8 = new LongField("field8", 0L, storedLong8), field6 = new LongField("field6", 0L, storedLong6), field4 = new LongField("field4", 0L, storedLong4), field2 = new LongField("field2", 0L, storedLong2), fieldNoTrie = new LongField("field" + int.MaxValue, 0L, storedLongNone), ascfield8 = new LongField("ascfield8", 0L, unstoredLong8), ascfield6 = new LongField("ascfield6", 0L, unstoredLong6), ascfield4 = new LongField("ascfield4", 0L, unstoredLong4), ascfield2 = new LongField("ascfield2", 0L, unstoredLong2);

            Document doc = new Document();
            // add fields, that have a distance to test general functionality
            doc.Add(field8);
            doc.Add(field6);
            doc.Add(field4);
            doc.Add(field2);
            doc.Add(fieldNoTrie);
            // add ascending fields with a distance of 1, beginning at -noDocs/2 to test the correct splitting of range and inclusive/exclusive
            doc.Add(ascfield8);
            doc.Add(ascfield6);
            doc.Add(ascfield4);
            doc.Add(ascfield2);

            // Add a series of noDocs docs with increasing long values, by updating the fields
            for (int l = 0; l < NoDocs; l++)
            {
                long val = Distance * l + StartOffset;
                field8.LongValue = val;
                field6.LongValue = val;
                field4.LongValue = val;
                field2.LongValue = val;
                fieldNoTrie.LongValue = val;

                val = l - (NoDocs / 2);
                ascfield8.LongValue = val;
                ascfield6.LongValue = val;
                ascfield4.LongValue = val;
                ascfield2.LongValue = val;
                writer.AddDocument(doc);
            }
            Reader = writer.Reader;
            Searcher = NewSearcher(Reader);
            writer.Dispose();
        }