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

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

            q.MinimumNumberShouldMatch = 1; // 1 of 1 optional

            VerifyNrHits(q, 1);
        }