Lucene.Net.Facet.TestDrillDownQuery.TestQuery C# (CSharp) Method

        public virtual void TestQuery()
        {
            IndexSearcher searcher = NewSearcher(reader);

            // Making sure the query yields 25 documents with the facet "a"
            DrillDownQuery q = new DrillDownQuery(config);
            q.Add("a");
            QueryUtils.Check(q);
            TopDocs docs = searcher.Search(q, 100);
            Assert.AreEqual(25, docs.TotalHits);

            // Making sure the query yields 5 documents with the facet "b" and the
            // previous (facet "a") query as a base query
            DrillDownQuery q2 = new DrillDownQuery(config, q);
            q2.Add("b");
            docs = searcher.Search(q2, 100);
            Assert.AreEqual(5, docs.TotalHits);

            // Making sure that a query of both facet "a" and facet "b" yields 5 results
            DrillDownQuery q3 = new DrillDownQuery(config);
            q3.Add("a");
            q3.Add("b");
            docs = searcher.Search(q3, 100);

            Assert.AreEqual(5, docs.TotalHits);
            // Check that content:foo (which yields 50% results) and facet/b (which yields 20%)
            // would gather together 10 results (10%..) 
            Query fooQuery = new TermQuery(new Term("content", "foo"));
            DrillDownQuery q4 = new DrillDownQuery(config, fooQuery);
            q4.Add("b");
            docs = searcher.Search(q4, 100);
            Assert.AreEqual(10, docs.TotalHits);
        }