Lucene.Net.Search.TestTermRangeFilter.TestRangeFilterId C# (CSharp) Method

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

            int medId = ((MaxId - MinId) / 2);

            string minIP = Pad(MinId);
            string maxIP = Pad(MaxId);
            string medIP = Pad(medId);

            int numDocs = reader.NumDocs;

            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, TermRangeFilter.NewStringRange("id", minIP, maxIP, T, T), numDocs).ScoreDocs;
            Assert.AreEqual(numDocs, result.Length, "find all");

            result = search.Search(q, TermRangeFilter.NewStringRange("id", minIP, maxIP, T, F), numDocs).ScoreDocs;
            Assert.AreEqual(numDocs - 1, result.Length, "all but last");

            result = search.Search(q, TermRangeFilter.NewStringRange("id", minIP, maxIP, F, T), numDocs).ScoreDocs;
            Assert.AreEqual(numDocs - 1, result.Length, "all but first");

            result = search.Search(q, TermRangeFilter.NewStringRange("id", minIP, maxIP, F, F), numDocs).ScoreDocs;
            Assert.AreEqual(numDocs - 2, result.Length, "all but ends");

            result = search.Search(q, TermRangeFilter.NewStringRange("id", medIP, maxIP, T, T), numDocs).ScoreDocs;
            Assert.AreEqual(1 + MaxId - medId, result.Length, "med and up");

            result = search.Search(q, TermRangeFilter.NewStringRange("id", minIP, medIP, T, T), numDocs).ScoreDocs;
            Assert.AreEqual(1 + medId - MinId, result.Length, "up to med");

            // unbounded id

            result = search.Search(q, TermRangeFilter.NewStringRange("id", minIP, null, T, F), numDocs).ScoreDocs;
            Assert.AreEqual(numDocs, result.Length, "min and up");

            result = search.Search(q, TermRangeFilter.NewStringRange("id", null, maxIP, F, T), numDocs).ScoreDocs;
            Assert.AreEqual(numDocs, result.Length, "max and down");

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

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

            result = search.Search(q, TermRangeFilter.NewStringRange("id", medIP, maxIP, T, F), numDocs).ScoreDocs;
            Assert.AreEqual(MaxId - medId, result.Length, "med and up, not max");

            result = search.Search(q, TermRangeFilter.NewStringRange("id", minIP, medIP, F, T), numDocs).ScoreDocs;
            Assert.AreEqual(medId - MinId, result.Length, "not min, up to med");

            // very small sets

            result = search.Search(q, TermRangeFilter.NewStringRange("id", minIP, minIP, F, F), numDocs).ScoreDocs;
            Assert.AreEqual(0, result.Length, "min,min,F,F");
            result = search.Search(q, TermRangeFilter.NewStringRange("id", medIP, medIP, F, F), numDocs).ScoreDocs;
            Assert.AreEqual(0, result.Length, "med,med,F,F");
            result = search.Search(q, TermRangeFilter.NewStringRange("id", maxIP, maxIP, F, F), numDocs).ScoreDocs;
            Assert.AreEqual(0, result.Length, "max,max,F,F");

            result = search.Search(q, TermRangeFilter.NewStringRange("id", minIP, minIP, T, T), numDocs).ScoreDocs;
            Assert.AreEqual(1, result.Length, "min,min,T,T");
            result = search.Search(q, TermRangeFilter.NewStringRange("id", null, minIP, F, T), numDocs).ScoreDocs;
            Assert.AreEqual(1, result.Length, "nul,min,F,T");

            result = search.Search(q, TermRangeFilter.NewStringRange("id", maxIP, maxIP, T, T), numDocs).ScoreDocs;
            Assert.AreEqual(1, result.Length, "max,max,T,T");
            result = search.Search(q, TermRangeFilter.NewStringRange("id", maxIP, null, T, F), numDocs).ScoreDocs;
            Assert.AreEqual(1, result.Length, "max,nul,T,T");

            result = search.Search(q, TermRangeFilter.NewStringRange("id", medIP, medIP, T, T), numDocs).ScoreDocs;
            Assert.AreEqual(1, result.Length, "med,med,T,T");
        }