Lucene.Net.Search.TestFilteredQuery.AssertRewrite C# (CSharp) Method

        private void AssertRewrite(FilteredQuery fq, Type clazz)
        {
            // assign crazy boost to FQ
            float boost = (float)Random().NextDouble() * 100.0f;
            fq.Boost = boost;

            // assign crazy boost to inner
            float innerBoost = (float)Random().NextDouble() * 100.0f;
            fq.Query.Boost = innerBoost;

            // check the class and boosts of rewritten query
            Query rewritten = Searcher.Rewrite(fq);
            Assert.IsTrue(clazz.IsInstanceOfType(rewritten), "is not instance of " + clazz.Name);
            if (rewritten is FilteredQuery)
            {
                Assert.AreEqual(boost, rewritten.Boost, 1E-5f);
                Assert.AreEqual(innerBoost, ((FilteredQuery)rewritten).Query.Boost, 1E-5f);
                Assert.AreEqual(fq.Strategy, ((FilteredQuery)rewritten).Strategy);
            }
            else
            {
                Assert.AreEqual(boost * innerBoost, rewritten.Boost, 1E-5f);
            }

            // check that the original query was not modified
            Assert.AreEqual(boost, fq.Boost, 1E-5f);
            Assert.AreEqual(innerBoost, fq.Query.Boost, 1E-5f);
        }