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

        public virtual void TestMinEqualToNumOptional()
        {
            /* two required, two optional */
            BooleanQuery q = new BooleanQuery();
            q.Add(new TermQuery(new Term("all", "all")), BooleanClause.Occur.SHOULD); //false, false);
            q.Add(new TermQuery(new Term("data", "6")), BooleanClause.Occur.MUST); //true,  false);
            q.Add(new TermQuery(new Term("data", "3")), BooleanClause.Occur.MUST); //true,  false);
            q.Add(new TermQuery(new Term("data", "2")), BooleanClause.Occur.SHOULD); //false, false);

            q.MinimumNumberShouldMatch = 2; // 2 of 2 optional

            VerifyNrHits(q, 1);
        }