Lucene.Net.Search.TestFieldCacheRangeFilter.TestFieldCacheRangeFilterInts C# (CSharp) Method

        public virtual void TestFieldCacheRangeFilterInts()
        {
            IndexReader reader = SignedIndexReader;
            IndexSearcher search = NewSearcher(reader);

            int numDocs = reader.NumDocs;
            int medId = ((MaxId - MinId) / 2);
            int? minIdO = Convert.ToInt32(MinId);
            int? maxIdO = Convert.ToInt32(MaxId);
            int? medIdO = Convert.ToInt32(medId);

            Assert.AreEqual(numDocs, 1 + MaxId - MinId, "num of docs");

            ScoreDoc[] result;
            Query q = new TermQuery(new Term("body", "body"));

            // test id, bounded on both ends

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", minIdO, maxIdO, T, T), numDocs).ScoreDocs;
            Assert.AreEqual(numDocs, result.Length, "find all");

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", minIdO, maxIdO, T, F), numDocs).ScoreDocs;
            Assert.AreEqual(numDocs - 1, result.Length, "all but last");

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", minIdO, maxIdO, F, T), numDocs).ScoreDocs;
            Assert.AreEqual(numDocs - 1, result.Length, "all but first");

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", minIdO, maxIdO, F, F), numDocs).ScoreDocs;
            Assert.AreEqual(numDocs - 2, result.Length, "all but ends");

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", medIdO, maxIdO, T, T), numDocs).ScoreDocs;
            Assert.AreEqual(1 + MaxId - medId, result.Length, "med and up");

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", minIdO, medIdO, T, T), numDocs).ScoreDocs;
            Assert.AreEqual(1 + medId - MinId, result.Length, "up to med");

            // unbounded id

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", null, null, T, T), numDocs).ScoreDocs;
            Assert.AreEqual(numDocs, result.Length, "find all");

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", minIdO, null, T, F), numDocs).ScoreDocs;
            Assert.AreEqual(numDocs, result.Length, "min and up");

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", null, maxIdO, F, T), numDocs).ScoreDocs;
            Assert.AreEqual(numDocs, result.Length, "max and down");

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", minIdO, null, F, F), numDocs).ScoreDocs;
            Assert.AreEqual(numDocs - 1, result.Length, "not min, but up");

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", null, maxIdO, F, F), numDocs).ScoreDocs;
            Assert.AreEqual(numDocs - 1, result.Length, "not max, but down");

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", medIdO, maxIdO, T, F), numDocs).ScoreDocs;
            Assert.AreEqual(MaxId - medId, result.Length, "med and up, not max");

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", minIdO, medIdO, F, T), numDocs).ScoreDocs;
            Assert.AreEqual(medId - MinId, result.Length, "not min, up to med");

            // very small sets

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", minIdO, minIdO, F, F), numDocs).ScoreDocs;
            Assert.AreEqual(0, result.Length, "min,min,F,F");
            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", medIdO, medIdO, F, F), numDocs).ScoreDocs;
            Assert.AreEqual(0, result.Length, "med,med,F,F");
            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", maxIdO, maxIdO, F, F), numDocs).ScoreDocs;
            Assert.AreEqual(0, result.Length, "max,max,F,F");

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", minIdO, minIdO, T, T), numDocs).ScoreDocs;
            Assert.AreEqual(1, result.Length, "min,min,T,T");
            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", null, minIdO, F, T), numDocs).ScoreDocs;
            Assert.AreEqual(1, result.Length, "nul,min,F,T");

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", maxIdO, maxIdO, T, T), numDocs).ScoreDocs;
            Assert.AreEqual(1, result.Length, "max,max,T,T");
            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", maxIdO, null, T, F), numDocs).ScoreDocs;
            Assert.AreEqual(1, result.Length, "max,nul,T,T");

            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", medIdO, medIdO, T, T), numDocs).ScoreDocs;
            Assert.AreEqual(1, result.Length, "med,med,T,T");

            // special cases
            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", Convert.ToInt32(int.MaxValue), null, F, F), numDocs).ScoreDocs;
            Assert.AreEqual(0, result.Length, "overflow special case");
            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", null, Convert.ToInt32(int.MinValue), F, F), numDocs).ScoreDocs;
            Assert.AreEqual(0, result.Length, "overflow special case");
            result = search.Search(q, FieldCacheRangeFilter.NewIntRange("id", maxIdO, minIdO, T, T), numDocs).ScoreDocs;
            Assert.AreEqual(0, result.Length, "inverse range");
        }