public virtual void TestFixedPostings()
{
const int NUM_TERMS = 100;
TermData[] terms = new TermData[NUM_TERMS];
for (int i = 0; i < NUM_TERMS; i++)
{
int[] docs = new int[] { i };
string text = Convert.ToString(i);
terms[i] = new TermData(this, text, docs, null);
}
FieldInfos.Builder builder = new FieldInfos.Builder();
FieldData field = new FieldData(this, "field", builder, terms, true, false);
FieldData[] fields = new FieldData[] { field };
FieldInfos fieldInfos = builder.Finish();
Directory dir = NewDirectory();
this.Write(fieldInfos, dir, fields, true);
Codec codec = Codec.Default;
SegmentInfo si = new SegmentInfo(dir, Constants.LUCENE_MAIN_VERSION, SEGMENT, 10000, false, codec, null);
FieldsProducer reader = codec.PostingsFormat().FieldsProducer(new SegmentReadState(dir, si, fieldInfos, NewIOContext(Random()), DirectoryReader.DEFAULT_TERMS_INDEX_DIVISOR));
IEnumerator <string> fieldsEnum = reader.GetEnumerator();
fieldsEnum.MoveNext();
string fieldName = fieldsEnum.Current;
Assert.IsNotNull(fieldName);
Terms terms2 = reader.Terms(fieldName);
Assert.IsNotNull(terms2);
TermsEnum termsEnum = terms2.Iterator(null);
DocsEnum docsEnum = null;
for (int i = 0; i < NUM_TERMS; i++)
{
BytesRef term = termsEnum.Next();
Assert.IsNotNull(term);
Assert.AreEqual(terms[i].Text2, term.Utf8ToString());
// do this twice to stress test the codec's reuse, ie,
// make sure it properly fully resets (rewinds) its
// internal state:
for (int iter = 0; iter < 2; iter++)
{
docsEnum = TestUtil.Docs(Random(), termsEnum, null, docsEnum, DocsEnum.FLAG_NONE);
Assert.AreEqual(terms[i].Docs[0], docsEnum.NextDoc());
Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, docsEnum.NextDoc());
}
}
Assert.IsNull(termsEnum.Next());
for (int i = 0; i < NUM_TERMS; i++)
{
Assert.AreEqual(termsEnum.SeekCeil(new BytesRef(terms[i].Text2)), TermsEnum.SeekStatus.FOUND);
}
Assert.IsFalse(fieldsEnum.MoveNext());
reader.Dispose();
dir.Dispose();
}
public override Terms Terms(string field)
{
Terms terms = @in.Terms(field);
return(terms == null ? null : new AssertingAtomicReader.AssertingTerms(terms));
}
