Lucene.Net.Search.TestNumericRangeQuery32.BeforeClass C# (CSharp) Метод

        public void BeforeClass()
        {
            NoDocs = AtLeast(4096);
            Distance = (1 << 30) / 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 storedInt = new FieldType(IntField.TYPE_NOT_STORED);
            storedInt.Stored = true;
            storedInt.Freeze();

            FieldType storedInt8 = new FieldType(storedInt);
            storedInt8.NumericPrecisionStep = 8;

            FieldType storedInt4 = new FieldType(storedInt);
            storedInt4.NumericPrecisionStep = 4;

            FieldType storedInt2 = new FieldType(storedInt);
            storedInt2.NumericPrecisionStep = 2;

            FieldType storedIntNone = new FieldType(storedInt);
            storedIntNone.NumericPrecisionStep = int.MaxValue;

            FieldType unstoredInt = IntField.TYPE_NOT_STORED;

            FieldType unstoredInt8 = new FieldType(unstoredInt);
            unstoredInt8.NumericPrecisionStep = 8;

            FieldType unstoredInt4 = new FieldType(unstoredInt);
            unstoredInt4.NumericPrecisionStep = 4;

            FieldType unstoredInt2 = new FieldType(unstoredInt);
            unstoredInt2.NumericPrecisionStep = 2;

            IntField field8 = new IntField("field8", 0, storedInt8), field4 = new IntField("field4", 0, storedInt4), field2 = new IntField("field2", 0, storedInt2), fieldNoTrie = new IntField("field" + int.MaxValue, 0, storedIntNone), ascfield8 = new IntField("ascfield8", 0, unstoredInt8), ascfield4 = new IntField("ascfield4", 0, unstoredInt4), ascfield2 = new IntField("ascfield2", 0, unstoredInt2);

            Document doc = new Document();
            // add fields, that have a distance to test general functionality
            doc.Add(field8);
            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(ascfield4);
            doc.Add(ascfield2);

            // Add a series of noDocs docs with increasing int values
            for (int l = 0; l < NoDocs; l++)
            {
                int val = Distance * l + StartOffset;
                field8.IntValue = val;
                field4.IntValue = val;
                field2.IntValue = val;
                fieldNoTrie.IntValue = val;

                val = l - (NoDocs / 2);
                ascfield8.IntValue = val;
                ascfield4.IntValue = val;
                ascfield2.IntValue = val;
                writer.AddDocument(doc);
            }

            Reader = writer.Reader;
            Searcher = NewSearcher(Reader);
            writer.Dispose();
        }