public void RestDocsAndPositionsEnumStart()
{
Analyzer analyzer = new MockAnalyzer(Random());
int numIters = AtLeast(3);
MemoryIndex memory = new MemoryIndex(true, Random().nextInt(50) * 1024 * 1024);
for (int i = 0; i < numIters; i++)
{ // check reuse
memory.AddField("foo", "bar", analyzer);
AtomicReader reader = (AtomicReader)memory.CreateSearcher().IndexReader;
assertEquals(1, reader.Terms("foo").SumTotalTermFreq);
DocsAndPositionsEnum disi = reader.TermPositionsEnum(new Term("foo", "bar"));
int docid = disi.DocID();
assertEquals(-1, docid);
assertTrue(disi.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
assertEquals(0, disi.NextPosition());
assertEquals(0, disi.StartOffset());
assertEquals(3, disi.EndOffset());
// now reuse and check again
TermsEnum te = reader.Terms("foo").Iterator(null);
assertTrue(te.SeekExact(new BytesRef("bar")));
disi = te.DocsAndPositions(null, disi);
docid = disi.DocID();
assertEquals(-1, docid);
assertTrue(disi.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
reader.Dispose();
memory.Reset();
}
}
public void TestNonExistingsField()
{
MemoryIndex mindex = new MemoryIndex(Random().nextBoolean(), Random().nextInt(50) * 1024 * 1024);
MockAnalyzer mockAnalyzer = new MockAnalyzer(Random());
mindex.AddField("field", "the quick brown fox", mockAnalyzer);
AtomicReader reader = (AtomicReader)mindex.CreateSearcher().IndexReader;
assertNull(reader.GetNumericDocValues("not-in-index"));
assertNull(reader.GetNormValues("not-in-index"));
assertNull(reader.TermDocsEnum(new Term("not-in-index", "foo")));
assertNull(reader.TermPositionsEnum(new Term("not-in-index", "foo")));
assertNull(reader.Terms("not-in-index"));
}
public virtual void TestPayloadsPos0()
{
Directory dir = NewDirectory();
RandomIndexWriter writer = new RandomIndexWriter(Random(), dir, new MockPayloadAnalyzer());
Document doc = new Document();
doc.Add(new TextField("content", new StringReader("a a b c d e a f g h i j a b k k")));
writer.AddDocument(doc);
IndexReader readerFromWriter = writer.Reader;
AtomicReader r = SlowCompositeReaderWrapper.Wrap(readerFromWriter);
DocsAndPositionsEnum tp = r.TermPositionsEnum(new Term("content", "a"));
int count = 0;
Assert.IsTrue(tp.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
// "a" occurs 4 times
Assert.AreEqual(4, tp.Freq());
Assert.AreEqual(0, tp.NextPosition());
Assert.AreEqual(1, tp.NextPosition());
Assert.AreEqual(3, tp.NextPosition());
Assert.AreEqual(6, tp.NextPosition());
// only one doc has "a"
Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, tp.NextDoc());
IndexSearcher @is = NewSearcher(readerFromWriter);
SpanTermQuery stq1 = new SpanTermQuery(new Term("content", "a"));
SpanTermQuery stq2 = new SpanTermQuery(new Term("content", "k"));
SpanQuery[] sqs = new SpanQuery[] { stq1, stq2 };
SpanNearQuery snq = new SpanNearQuery(sqs, 30, false);
count = 0;
bool sawZero = false;
if (VERBOSE)
{
Console.WriteLine("\ngetPayloadSpans test");
}
Search.Spans.Spans pspans = MultiSpansWrapper.Wrap(@is.TopReaderContext, snq);
while (pspans.Next())
{
if (VERBOSE)
{
Console.WriteLine("doc " + pspans.Doc() + ": span " + pspans.Start() + " to " + pspans.End());
}
var payloads = pspans.Payload;
sawZero |= pspans.Start() == 0;
foreach (var bytes in payloads)
{
count++;
if (VERBOSE)
{
Console.WriteLine(" payload: " + Encoding.UTF8.GetString((byte[])(Array)bytes));
}
}
}
Assert.IsTrue(sawZero);
Assert.AreEqual(5, count);
// System.out.println("\ngetSpans test");
Search.Spans.Spans spans = MultiSpansWrapper.Wrap(@is.TopReaderContext, snq);
count = 0;
sawZero = false;
while (spans.Next())
{
count++;
sawZero |= spans.Start() == 0;
// System.out.println(spans.Doc() + " - " + spans.Start() + " - " +
// spans.End());
}
Assert.AreEqual(4, count);
Assert.IsTrue(sawZero);
// System.out.println("\nPayloadSpanUtil test");
sawZero = false;
PayloadSpanUtil psu = new PayloadSpanUtil(@is.TopReaderContext);
var pls = psu.GetPayloadsForQuery(snq);
count = pls.Count;
foreach (var bytes in pls)
{
string s = Encoding.UTF8.GetString(bytes);
//System.out.println(s);
sawZero |= s.Equals("pos: 0");
}
Assert.AreEqual(5, count);
Assert.IsTrue(sawZero);
writer.Dispose();
@is.IndexReader.Dispose();
dir.Dispose();
}