final Directory dir = newDirectory();
this.write(fieldInfos, dir, fields, true);
Codec codec = Codec.getDefault();
final SegmentInfo si = new SegmentInfo(dir, Constants.LUCENE_MAIN_VERSION, SEGMENT, 10000, false, codec, null);
final FieldsProducer reader = codec.postingsFormat().fieldsProducer(new SegmentReadState(dir, si, fieldInfos, newIOContext(random()), DirectoryReader.DEFAULT_TERMS_INDEX_DIVISOR));
final Iterator<String> fieldsEnum = reader.iterator();
String fieldName = fieldsEnum.next();
assertNotNull(fieldName);
final Terms terms2 = reader.terms(fieldName);
assertNotNull(terms2);
final TermsEnum termsEnum = terms2.iterator(null);
DocsEnum docsEnum = null;
for(int i=0;i<NUM_TERMS;i++) {
final BytesRef term = termsEnum.next();
assertNotNull(term);
assertEquals(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);
assertEquals(terms[i].docs[0], docsEnum.nextDoc());
assertEquals(DocIdSetIterator.NO_MORE_DOCS, docsEnum.nextDoc());
}
}
assertNull(termsEnum.next());
for(int i=0;i<NUM_TERMS;i++) {
assertEquals(termsEnum.seekCeil(new BytesRef(terms[i].text2)), TermsEnum.SeekStatus.FOUND);
}
assertFalse(fieldsEnum.hasNext());
reader.close();
dir.close();
}