public virtual void TestChangeGaps()
{
// LUCENE-5324: check that it is possible to change the wrapper's gaps
int positionGap = Random().Next(1000);
int offsetGap = Random().Next(1000);
Analyzer @delegate = new MockAnalyzer(Random());
Analyzer a = new AnalyzerWrapperAnonymousInnerClassHelper2(this, @delegate.Strategy, positionGap, offsetGap, @delegate);
RandomIndexWriter writer = new RandomIndexWriter(Random(), NewDirectory(), Similarity, TimeZone);
Document doc = new Document();
FieldType ft = new FieldType();
ft.Indexed = true;
ft.IndexOptions = FieldInfo.IndexOptions.DOCS_ONLY;
ft.Tokenized = true;
ft.StoreTermVectors = true;
ft.StoreTermVectorPositions = true;
ft.StoreTermVectorOffsets = true;
doc.Add(new Field("f", "a", ft));
doc.Add(new Field("f", "a", ft));
writer.AddDocument(doc, a);
AtomicReader reader = GetOnlySegmentReader(writer.Reader);
Fields fields = reader.GetTermVectors(0);
Terms terms = fields.Terms("f");
TermsEnum te = terms.Iterator(null);
Assert.AreEqual(new BytesRef("a"), te.Next());
DocsAndPositionsEnum dpe = te.DocsAndPositions(null, null);
Assert.AreEqual(0, dpe.NextDoc());
Assert.AreEqual(2, dpe.Freq());
Assert.AreEqual(0, dpe.NextPosition());
Assert.AreEqual(0, dpe.StartOffset());
int endOffset = dpe.EndOffset();
Assert.AreEqual(1 + positionGap, dpe.NextPosition());
Assert.AreEqual(1 + endOffset + offsetGap, dpe.EndOffset());
Assert.AreEqual(null, te.Next());
reader.Dispose();
writer.Dispose();
writer.w.Directory.Dispose();
}
