Lucene.Net.QueryParsers.TestQueryParser.TestBoost C# (CSharp) Method

		public virtual void  TestBoost()
		{
            var stopWords = Support.Compatibility.SetFactory.GetSet<string>();
		    stopWords.Add("on");
            StandardAnalyzer oneStopAnalyzer = new StandardAnalyzer(Version.LUCENE_CURRENT, stopWords);
            QueryParser qp = new QueryParser(Version.LUCENE_CURRENT, "field", oneStopAnalyzer);
			Query q = qp.Parse("on^1.0");
			Assert.IsNotNull(q);
			q = qp.Parse("\"hello\"^2.0");
			Assert.IsNotNull(q);
			Assert.AreEqual(q.Boost, (float) 2.0, (float) 0.5);
			q = qp.Parse("hello^2.0");
			Assert.IsNotNull(q);
			Assert.AreEqual(q.Boost, (float) 2.0, (float) 0.5);
			q = qp.Parse("\"on\"^1.0");
			Assert.IsNotNull(q);

            QueryParser qp2 = new QueryParser(Version.LUCENE_CURRENT, "field", new StandardAnalyzer(Util.Version.LUCENE_CURRENT));
			q = qp2.Parse("the^3");
			// "the" is a stop word so the result is an empty query:
			Assert.IsNotNull(q);
			Assert.AreEqual("", q.ToString());
			Assert.AreEqual(1.0f, q.Boost, 0.01f);
		}