Lucene.Net.Search.TestBooleanMinShouldMatch.TestRandomQueries C# (CSharp) Method

        public virtual void TestRandomQueries()
        {
            const string field = "data";
            string[] vals = new string[] { "1", "2", "3", "4", "5", "6", "A", "Z", "B", "Y", "Z", "X", "foo" };
            int maxLev = 4;

            // callback object to set a random setMinimumNumberShouldMatch
            TestBoolean2.Callback minNrCB = new CallbackAnonymousInnerClassHelper(this, field, vals);

            // increase number of iterations for more complete testing
            int num = AtLeast(20);
            for (int i = 0; i < num; i++)
            {
                int lev = Random().Next(maxLev);
                int seed = Random().Next();
                BooleanQuery q1 = TestBoolean2.RandBoolQuery(new Random(seed), true, lev, field, vals, null);
                // BooleanQuery q2 = TestBoolean2.randBoolQuery(new Random(seed), lev, field, vals, minNrCB);
                BooleanQuery q2 = TestBoolean2.RandBoolQuery(new Random(seed), true, lev, field, vals, null);
                // only set minimumNumberShouldMatch on the top level query since setting
                // at a lower level can change the score.
                minNrCB.PostCreate(q2);

                // Can't use Hits because normalized scores will mess things
                // up.  The non-sorting version of search() that returns TopDocs
                // will not normalize scores.
                TopDocs top1 = s.Search(q1, null, 100);
                TopDocs top2 = s.Search(q2, null, 100);
                if (i < 100)
                {
                    QueryUtils.Check(Random(), q1, s, Similarity);
                    QueryUtils.Check(Random(), q2, s, Similarity);
                }
                AssertSubsetOfSameScores(q2, top1, top2);
            }
            // System.out.println("Total hits:"+tot);
        }