public virtual void TestQuery()
{
RAMDirectory dir = new RAMDirectory();
IndexWriter iw = new IndexWriter(dir, analyzer, true, IndexWriter.MaxFieldLength.LIMITED);
iw.SetMaxBufferedDocs(2); // force multi-segment
AddDoc("one", iw, 1f);
AddDoc("two", iw, 20f);
AddDoc("three four", iw, 300f);
iw.Close();
IndexReader ir = IndexReader.Open(dir, false);
IndexSearcher is_Renamed = new IndexSearcher(ir);
ScoreDoc[] hits;
// assert with norms scoring turned off
hits = is_Renamed.Search(new MatchAllDocsQuery(), null, 1000).ScoreDocs;
Assert.AreEqual(3, hits.Length);
Assert.AreEqual(ir.Document(hits[0].Doc).Get("key"), "one");
Assert.AreEqual(ir.Document(hits[1].Doc).Get("key"), "two");
Assert.AreEqual(ir.Document(hits[2].Doc).Get("key"), "three four");
// assert with norms scoring turned on
MatchAllDocsQuery normsQuery = new MatchAllDocsQuery("key");
hits = is_Renamed.Search(normsQuery, null, 1000).ScoreDocs;
Assert.AreEqual(3, hits.Length);
Assert.AreEqual(ir.Document(hits[0].Doc).Get("key"), "three four");
Assert.AreEqual(ir.Document(hits[1].Doc).Get("key"), "two");
Assert.AreEqual(ir.Document(hits[2].Doc).Get("key"), "one");
// change norm & retest
ir.SetNorm(0, "key", 400f);
normsQuery = new MatchAllDocsQuery("key");
hits = is_Renamed.Search(normsQuery, null, 1000).ScoreDocs;
Assert.AreEqual(3, hits.Length);
Assert.AreEqual(ir.Document(hits[0].Doc).Get("key"), "one");
Assert.AreEqual(ir.Document(hits[1].Doc).Get("key"), "three four");
Assert.AreEqual(ir.Document(hits[2].Doc).Get("key"), "two");
// some artificial queries to trigger the use of skipTo():
BooleanQuery bq = new BooleanQuery();
bq.Add(new MatchAllDocsQuery(), Occur.MUST);
bq.Add(new MatchAllDocsQuery(), Occur.MUST);
hits = is_Renamed.Search(bq, null, 1000).ScoreDocs;
Assert.AreEqual(3, hits.Length);
bq = new BooleanQuery();
bq.Add(new MatchAllDocsQuery(), Occur.MUST);
bq.Add(new TermQuery(new Term("key", "three")), Occur.MUST);
hits = is_Renamed.Search(bq, null, 1000).ScoreDocs;
Assert.AreEqual(1, hits.Length);
// delete a document:
is_Renamed.IndexReader.DeleteDocument(0);
hits = is_Renamed.Search(new MatchAllDocsQuery(), null, 1000).ScoreDocs;
Assert.AreEqual(2, hits.Length);
// test parsable toString()
QueryParser qp = new QueryParser(Util.Version.LUCENE_CURRENT, "key", analyzer);
hits = is_Renamed.Search(qp.Parse(new MatchAllDocsQuery().ToString()), null, 1000).ScoreDocs;
Assert.AreEqual(2, hits.Length);
// test parsable toString() with non default boost
Query maq = new MatchAllDocsQuery();
maq.Boost = 2.3f;
Query pq = qp.Parse(maq.ToString());
hits = is_Renamed.Search(pq, null, 1000).ScoreDocs;
Assert.AreEqual(2, hits.Length);
is_Renamed.Close();
ir.Close();
dir.Close();
}