Lucene.Net.Search.Spans.TestSpans.TestSpanScorerZeroSloppyFreq C# (CSharp) Method

        public virtual void TestSpanScorerZeroSloppyFreq()
        {
            bool ordered = true;
            int slop = 1;
            IndexReaderContext topReaderContext = Searcher.TopReaderContext;
            IList<AtomicReaderContext> leaves = topReaderContext.Leaves;
            int subIndex = ReaderUtil.SubIndex(11, leaves);
            for (int i = 0, c = leaves.Count; i < c; i++)
            {
                AtomicReaderContext ctx = leaves[i];

                Similarity sim = new DefaultSimilarityAnonymousInnerClassHelper(this);

                Similarity oldSim = Searcher.Similarity;
                Scorer spanScorer;
                try
                {
                    Searcher.Similarity = sim;
                    SpanNearQuery snq = new SpanNearQuery(new SpanQuery[] { MakeSpanTermQuery("t1"), MakeSpanTermQuery("t2") }, slop, ordered);

                    spanScorer = Searcher.CreateNormalizedWeight(snq).Scorer(ctx, ((AtomicReader)ctx.Reader).LiveDocs);
                }
                finally
                {
                    Searcher.Similarity = oldSim;
                }
                if (i == subIndex)
                {
                    Assert.IsTrue(spanScorer.NextDoc() != DocIdSetIterator.NO_MORE_DOCS, "first doc");
                    Assert.AreEqual(spanScorer.DocID() + ctx.DocBase, 11, "first doc number");
                    float score = spanScorer.Score();
                    Assert.IsTrue(score == 0.0f, "first doc score should be zero, " + score);
                }
                else
                {
                    Assert.IsTrue(spanScorer.NextDoc() == DocIdSetIterator.NO_MORE_DOCS, "no second doc");
                }
            }
        }